New upstream version 1.11.0+dfsgupstream/1.11.0+dfsg

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 3639 deletions

diff --git a/src/apps_plugin.c b/src/apps_plugin.c
deleted file mode 100644
index 8595da6c2..000000000
--- a/src/apps_plugin.c
+++ /dev/null
@@ -1,3639 +0,0 @@
-
-/*
- * netdata apps.plugin
- * (C) Copyright 2016-2017 Costa Tsaousis <costa@tsaousis.gr>
- * Released under GPL v3+
- */
-
-#include "common.h"
-
-#ifdef __FreeBSD__
-#include <sys/user.h>
-#endif
-
-// ----------------------------------------------------------------------------
-// per O/S configuration
-
-// the minimum PID of the system
-// this is also the pid of the init process
-#define INIT_PID 1
-
-// if the way apps.plugin will work, will read the entire process list,
-// including the resource utilization of each process, instantly
-// set this to 1
-// when set to 0, apps.plugin builds a sort list of processes, in order
-// to process children processes, before parent processes
-#ifdef __FreeBSD__
-#define ALL_PIDS_ARE_READ_INSTANTLY 1
-#else
-#define ALL_PIDS_ARE_READ_INSTANTLY 0
-#endif
-
-// ----------------------------------------------------------------------------
-// string lengths
-
-#define MAX_COMPARE_NAME 100
-#define MAX_NAME 100
-#define MAX_CMDLINE 16384
-
-// ----------------------------------------------------------------------------
-// the rates we are going to send to netdata will have this detail a value of:
-//  - 1 will send just integer parts to netdata
-//  - 100 will send 2 decimal points
-//  - 1000 will send 3 decimal points
-// etc.
-#define RATES_DETAIL 10000ULL
-
-
-// ----------------------------------------------------------------------------
-// to avoid reallocating too frequently, we can increase the number of spare
-// file descriptors used by processes.
-// IMPORTANT:
-// having a lot of spares, increases the CPU utilization of the plugin.
-#define MAX_SPARE_FDS 1
-
-
-// ----------------------------------------------------------------------------
-// command line options
-
-static int
-        debug = 0,
-        update_every = 1,
-        enable_guest_charts = 0,
-#ifdef __FreeBSD__
-        enable_file_charts = 0,
-#else
-        enable_file_charts = 1,
-#endif
-        enable_users_charts = 1,
-        enable_groups_charts = 1,
-        include_exited_childs = 1;
-
-
-// will be changed to getenv(NETDATA_CONFIG_DIR) if it exists
-static char *config_dir = CONFIG_DIR;
-
-// ----------------------------------------------------------------------------
-// internal flags
-// handled in code (automatically set)
-
-static int
-        show_guest_time = 0,            // 1 when guest values are collected
-        show_guest_time_old = 0,
-        proc_pid_cmdline_is_needed = 0; // 1 when we need to read /proc/cmdline
-
-
-// ----------------------------------------------------------------------------
-// internal counters
-
-static size_t
-        global_iterations_counter = 1,
-        calls_counter = 0,
-        file_counter = 0,
-        targets_assignment_counter = 0;
-
-
-// ----------------------------------------------------------------------------
-// Normalization
-//
-// With normalization we lower the collected metrics by a factor to make them
-// match the total utilization of the system.
-// The discrepancy exists because apps.plugin needs some time to collect all
-// the metrics. This results in utilization that exceeds the total utilization
-// of the system.
-//
-// With normalization we align the per-process utilization, to the total of
-// the system. We first consume the exited children utilization and it the
-// collected values is above the total, we proportionally scale each reported
-// metric.
-
-// the total system time, as reported by /proc/stat
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-static kernel_uint_t
-        global_utime = 0,
-        global_stime = 0,
-        global_gtime = 0;
-#endif
-
-// the normalization ratios, as calculated by normalize_utilization()
-double  utime_fix_ratio = 1.0,
-        stime_fix_ratio = 1.0,
-        gtime_fix_ratio = 1.0,
-        minflt_fix_ratio = 1.0,
-        majflt_fix_ratio = 1.0,
-        cutime_fix_ratio = 1.0,
-        cstime_fix_ratio = 1.0,
-        cgtime_fix_ratio = 1.0,
-        cminflt_fix_ratio = 1.0,
-        cmajflt_fix_ratio = 1.0;
-
-// ----------------------------------------------------------------------------
-// target
-//
-// target is the structure that processes are aggregated to be reported
-// to netdata.
-//
-// - Each entry in /etc/apps_groups.conf creates a target.
-// - Each user and group used by a process in the system, creates a target.
-
-struct target {
-    char compare[MAX_COMPARE_NAME + 1];
-    uint32_t comparehash;
-    size_t comparelen;
-
-    char id[MAX_NAME + 1];
-    uint32_t idhash;
-
-    char name[MAX_NAME + 1];
-
-    uid_t uid;
-    gid_t gid;
-
-    kernel_uint_t minflt;
-    kernel_uint_t cminflt;
-    kernel_uint_t majflt;
-    kernel_uint_t cmajflt;
-    kernel_uint_t utime;
-    kernel_uint_t stime;
-    kernel_uint_t gtime;
-    kernel_uint_t cutime;
-    kernel_uint_t cstime;
-    kernel_uint_t cgtime;
-    kernel_uint_t num_threads;
-    // kernel_uint_t rss;
-
-    kernel_uint_t status_vmsize;
-    kernel_uint_t status_vmrss;
-    kernel_uint_t status_vmshared;
-    kernel_uint_t status_rssfile;
-    kernel_uint_t status_rssshmem;
-    kernel_uint_t status_vmswap;
-
-    kernel_uint_t io_logical_bytes_read;
-    kernel_uint_t io_logical_bytes_written;
-    // kernel_uint_t io_read_calls;
-    // kernel_uint_t io_write_calls;
-    kernel_uint_t io_storage_bytes_read;
-    kernel_uint_t io_storage_bytes_written;
-    // kernel_uint_t io_cancelled_write_bytes;
-
-    int *target_fds;
-    int target_fds_size;
-
-    kernel_uint_t openfiles;
-    kernel_uint_t openpipes;
-    kernel_uint_t opensockets;
-    kernel_uint_t openinotifies;
-    kernel_uint_t openeventfds;
-    kernel_uint_t opentimerfds;
-    kernel_uint_t opensignalfds;
-    kernel_uint_t openeventpolls;
-    kernel_uint_t openother;
-
-    unsigned int processes; // how many processes have been merged to this
-    int exposed;            // if set, we have sent this to netdata
-    int hidden;             // if set, we set the hidden flag on the dimension
-    int debug;
-    int ends_with;
-    int starts_with;        // if set, the compare string matches only the
-                            // beginning of the command
-
-    struct target *target;  // the one that will be reported to netdata
-    struct target *next;
-};
-
-struct target
-        *apps_groups_default_target = NULL, // the default target
-        *apps_groups_root_target = NULL,    // apps_groups.conf defined
-        *users_root_target = NULL,          // users
-        *groups_root_target = NULL;         // user groups
-
-size_t
-        apps_groups_targets_count = 0;       // # of apps_groups.conf targets
-
-
-// ----------------------------------------------------------------------------
-// pid_stat
-//
-// structure to store data for each process running
-// see: man proc for the description of the fields
-
-struct pid_stat {
-    int32_t pid;
-    char comm[MAX_COMPARE_NAME + 1];
-    char *cmdline;
-
-    uint32_t log_thrown;
-
-    // char state;
-    int32_t ppid;
-    // int32_t pgrp;
-    // int32_t session;
-    // int32_t tty_nr;
-    // int32_t tpgid;
-    // uint64_t flags;
-
-    // these are raw values collected
-    kernel_uint_t minflt_raw;
-    kernel_uint_t cminflt_raw;
-    kernel_uint_t majflt_raw;
-    kernel_uint_t cmajflt_raw;
-    kernel_uint_t utime_raw;
-    kernel_uint_t stime_raw;
-    kernel_uint_t gtime_raw; // guest_time
-    kernel_uint_t cutime_raw;
-    kernel_uint_t cstime_raw;
-    kernel_uint_t cgtime_raw; // cguest_time
-
-    // these are rates
-    kernel_uint_t minflt;
-    kernel_uint_t cminflt;
-    kernel_uint_t majflt;
-    kernel_uint_t cmajflt;
-    kernel_uint_t utime;
-    kernel_uint_t stime;
-    kernel_uint_t gtime;
-    kernel_uint_t cutime;
-    kernel_uint_t cstime;
-    kernel_uint_t cgtime;
-
-    // int64_t priority;
-    // int64_t nice;
-    int32_t num_threads;
-    // int64_t itrealvalue;
-    // kernel_uint_t starttime;
-    // kernel_uint_t vsize;
-    // kernel_uint_t rss;
-    // kernel_uint_t rsslim;
-    // kernel_uint_t starcode;
-    // kernel_uint_t endcode;
-    // kernel_uint_t startstack;
-    // kernel_uint_t kstkesp;
-    // kernel_uint_t kstkeip;
-    // uint64_t signal;
-    // uint64_t blocked;
-    // uint64_t sigignore;
-    // uint64_t sigcatch;
-    // uint64_t wchan;
-    // uint64_t nswap;
-    // uint64_t cnswap;
-    // int32_t exit_signal;
-    // int32_t processor;
-    // uint32_t rt_priority;
-    // uint32_t policy;
-    // kernel_uint_t delayacct_blkio_ticks;
-
-    uid_t uid;
-    gid_t gid;
-
-    kernel_uint_t status_vmsize;
-    kernel_uint_t status_vmrss;
-    kernel_uint_t status_vmshared;
-    kernel_uint_t status_rssfile;
-    kernel_uint_t status_rssshmem;
-    kernel_uint_t status_vmswap;
-#ifndef __FreeBSD__
-    ARL_BASE *status_arl;
-#endif
-
-    kernel_uint_t io_logical_bytes_read_raw;
-    kernel_uint_t io_logical_bytes_written_raw;
-    // kernel_uint_t io_read_calls_raw;
-    // kernel_uint_t io_write_calls_raw;
-    kernel_uint_t io_storage_bytes_read_raw;
-    kernel_uint_t io_storage_bytes_written_raw;
-    // kernel_uint_t io_cancelled_write_bytes_raw;
-
-    kernel_uint_t io_logical_bytes_read;
-    kernel_uint_t io_logical_bytes_written;
-    // kernel_uint_t io_read_calls;
-    // kernel_uint_t io_write_calls;
-    kernel_uint_t io_storage_bytes_read;
-    kernel_uint_t io_storage_bytes_written;
-    // kernel_uint_t io_cancelled_write_bytes;
-
-    int *fds;                       // array of fds it uses
-    int fds_size;                   // the size of the fds array
-
-    int children_count;             // number of processes directly referencing this
-    char keep:1;                    // 1 when we need to keep this process in memory even after it exited
-    int keeploops;                  // increases by 1 every time keep is 1 and updated 0
-    char updated:1;                 // 1 when the process is currently running
-    char merged:1;                  // 1 when it has been merged to its parent
-    char read:1;                    // 1 when we have already read this process for this iteration
-
-    int sortlist;                   // higher numbers = top on the process tree
-                                    // each process gets a unique number
-
-    struct target *target;          // app_groups.conf targets
-    struct target *user_target;     // uid based targets
-    struct target *group_target;    // gid based targets
-
-    usec_t stat_collected_usec;
-    usec_t last_stat_collected_usec;
-
-    usec_t io_collected_usec;
-    usec_t last_io_collected_usec;
-
-    char *fds_dirname;              // the full directory name in /proc/PID/fd
-
-    char *stat_filename;
-    char *status_filename;
-    char *io_filename;
-    char *cmdline_filename;
-
-    struct pid_stat *parent;
-    struct pid_stat *prev;
-    struct pid_stat *next;
-};
-
-size_t pagesize;
-
-// log each problem once per process
-// log flood protection flags (log_thrown)
-#define PID_LOG_IO      0x00000001
-#define PID_LOG_STATUS  0x00000002
-#define PID_LOG_CMDLINE 0x00000004
-#define PID_LOG_FDS     0x00000008
-#define PID_LOG_STAT    0x00000010
-
-static struct pid_stat
-        *root_of_pids = NULL,   // global list of all processes running
-        **all_pids = NULL;      // to avoid allocations, we pre-allocate the
-                                // the entire pid space.
-
-static size_t
-        all_pids_count = 0;     // the number of processes running
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-// Another pre-allocated list of all possible pids.
-// We need it to pids and assign them a unique sortlist id, so that we
-// read parents before children. This is needed to prevent a situation where
-// a child is found running, but until we read its parent, it has exited and
-// its parent has accumulated its resources.
-static pid_t
-        *all_pids_sortlist = NULL;
-#endif
-
-// ----------------------------------------------------------------------------
-// file descriptor
-//
-// this is used to keep a global list of all open files of the system.
-// it is needed in order to calculate the unique files processes have open.
-
-#define FILE_DESCRIPTORS_INCREASE_STEP 100
-
-// types for struct file_descriptor->type
-typedef enum fd_filetype {
-    FILETYPE_OTHER,
-    FILETYPE_FILE,
-    FILETYPE_PIPE,
-    FILETYPE_SOCKET,
-    FILETYPE_INOTIFY,
-    FILETYPE_EVENTFD,
-    FILETYPE_EVENTPOLL,
-    FILETYPE_TIMERFD,
-    FILETYPE_SIGNALFD
-} FD_FILETYPE;
-
-struct file_descriptor {
-    avl avl;
-
-#ifdef NETDATA_INTERNAL_CHECKS
-    uint32_t magic;
-#endif /* NETDATA_INTERNAL_CHECKS */
-
-    const char *name;
-    uint32_t hash;
-
-    FD_FILETYPE type;
-    int count;
-    int pos;
-} *all_files = NULL;
-
-static int
-        all_files_len = 0,
-        all_files_size = 0;
-
-// ----------------------------------------------------------------------------
-// callback required by fatal()
-
-void netdata_cleanup_and_exit(int ret) {
-    exit(ret);
-}
-
-// ----------------------------------------------------------------------------
-// apps_groups.conf
-// aggregate all processes in groups, to have a limited number of dimensions
-
-static struct target *get_users_target(uid_t uid) {
-    struct target *w;
-    for(w = users_root_target ; w ; w = w->next)
-        if(w->uid == uid) return w;
-
-    w = callocz(sizeof(struct target), 1);
-    snprintfz(w->compare, MAX_COMPARE_NAME, "%u", uid);
-    w->comparehash = simple_hash(w->compare);
-    w->comparelen = strlen(w->compare);
-
-    snprintfz(w->id, MAX_NAME, "%u", uid);
-    w->idhash = simple_hash(w->id);
-
-    struct passwd *pw = getpwuid(uid);
-    if(!pw || !pw->pw_name || !*pw->pw_name)
-        snprintfz(w->name, MAX_NAME, "%u", uid);
-    else
-        snprintfz(w->name, MAX_NAME, "%s", pw->pw_name);
-
-    netdata_fix_chart_name(w->name);
-
-    w->uid = uid;
-
-    w->next = users_root_target;
-    users_root_target = w;
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: added uid %u ('%s') target\n", w->uid, w->name);
-
-    return w;
-}
-
-struct target *get_groups_target(gid_t gid)
-{
-    struct target *w;
-    for(w = groups_root_target ; w ; w = w->next)
-        if(w->gid == gid) return w;
-
-    w = callocz(sizeof(struct target), 1);
-    snprintfz(w->compare, MAX_COMPARE_NAME, "%u", gid);
-    w->comparehash = simple_hash(w->compare);
-    w->comparelen = strlen(w->compare);
-
-    snprintfz(w->id, MAX_NAME, "%u", gid);
-    w->idhash = simple_hash(w->id);
-
-    struct group *gr = getgrgid(gid);
-    if(!gr || !gr->gr_name || !*gr->gr_name)
-        snprintfz(w->name, MAX_NAME, "%u", gid);
-    else
-        snprintfz(w->name, MAX_NAME, "%s", gr->gr_name);
-
-    netdata_fix_chart_name(w->name);
-
-    w->gid = gid;
-
-    w->next = groups_root_target;
-    groups_root_target = w;
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: added gid %u ('%s') target\n", w->gid, w->name);
-
-    return w;
-}
-
-// find or create a new target
-// there are targets that are just aggregated to other target (the second argument)
-static struct target *get_apps_groups_target(const char *id, struct target *target, const char *name) {
-    int tdebug = 0, thidden = target?target->hidden:0, ends_with = 0;
-    const char *nid = id;
-
-    // extract the options
-    while(nid[0] == '-' || nid[0] == '+' || nid[0] == '*') {
-        if(nid[0] == '-') thidden = 1;
-        if(nid[0] == '+') tdebug = 1;
-        if(nid[0] == '*') ends_with = 1;
-        nid++;
-    }
-    uint32_t hash = simple_hash(id);
-
-    // find if it already exists
-    struct target *w, *last = apps_groups_root_target;
-    for(w = apps_groups_root_target ; w ; w = w->next) {
-        if(w->idhash == hash && strncmp(nid, w->id, MAX_NAME) == 0)
-            return w;
-
-        last = w;
-    }
-
-    // find an existing target
-    if(unlikely(!target)) {
-        while(*name == '-') {
-            if(*name == '-') thidden = 1;
-            name++;
-        }
-
-        for(target = apps_groups_root_target ; target != NULL ; target = target->next) {
-            if(!target->target && strcmp(name, target->name) == 0)
-                break;
-        }
-
-        if(unlikely(debug)) {
-            if(unlikely(target))
-                fprintf(stderr, "apps.plugin: REUSING TARGET NAME '%s' on ID '%s'\n", target->name, target->id);
-            else
-                fprintf(stderr, "apps.plugin: NEW TARGET NAME '%s' on ID '%s'\n", name, id);
-        }
-    }
-
-    if(target && target->target)
-        fatal("Internal Error: request to link process '%s' to target '%s' which is linked to target '%s'", id, target->id, target->target->id);
-
-    w = callocz(sizeof(struct target), 1);
-    strncpyz(w->id, nid, MAX_NAME);
-    w->idhash = simple_hash(w->id);
-
-    if(unlikely(!target))
-        // copy the name
-        strncpyz(w->name, name, MAX_NAME);
-    else
-        // copy the id
-        strncpyz(w->name, nid, MAX_NAME);
-
-    strncpyz(w->compare, nid, MAX_COMPARE_NAME);
-    size_t len = strlen(w->compare);
-    if(w->compare[len - 1] == '*') {
-        w->compare[len - 1] = '\0';
-        w->starts_with = 1;
-    }
-    w->ends_with = ends_with;
-
-    if(w->starts_with && w->ends_with)
-        proc_pid_cmdline_is_needed = 1;
-
-    w->comparehash = simple_hash(w->compare);
-    w->comparelen = strlen(w->compare);
-
-    w->hidden = thidden;
-    w->debug = tdebug;
-    w->target = target;
-
-    // append it, to maintain the order in apps_groups.conf
-    if(last) last->next = w;
-    else apps_groups_root_target = w;
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: ADDING TARGET ID '%s', process name '%s' (%s), aggregated on target '%s', options: %s %s\n"
-                , w->id
-                , w->compare, (w->starts_with && w->ends_with)?"substring":((w->starts_with)?"prefix":((w->ends_with)?"suffix":"exact"))
-                , w->target?w->target->name:w->name
-                , (w->hidden)?"hidden":"-"
-                , (w->debug)?"debug":"-"
-        );
-
-    return w;
-}
-
-// read the apps_groups.conf file
-static int read_apps_groups_conf(const char *file)
-{
-    char filename[FILENAME_MAX + 1];
-
-    snprintfz(filename, FILENAME_MAX, "%s/apps_%s.conf", config_dir, file);
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: process groups file: '%s'\n", filename);
-
-    // ----------------------------------------
-
-    procfile *ff = procfile_open(filename, " :\t", PROCFILE_FLAG_DEFAULT);
-    if(!ff) return 1;
-
-    procfile_set_quotes(ff, "'\"");
-
-    ff = procfile_readall(ff);
-    if(!ff)
-        return 1;
-
-    size_t line, lines = procfile_lines(ff);
-
-    for(line = 0; line < lines ;line++) {
-        size_t word, words = procfile_linewords(ff, line);
-        if(!words) continue;
-
-        char *name = procfile_lineword(ff, line, 0);
-        if(!name || !*name) continue;
-
-        // find a possibly existing target
-        struct target *w = NULL;
-
-        // loop through all words, skipping the first one (the name)
-        for(word = 0; word < words ;word++) {
-            char *s = procfile_lineword(ff, line, word);
-            if(!s || !*s) continue;
-            if(*s == '#') break;
-
-            // is this the first word? skip it
-            if(s == name) continue;
-
-            // add this target
-            struct target *n = get_apps_groups_target(s, w, name);
-            if(!n) {
-                error("Cannot create target '%s' (line %zu, word %zu)", s, line, word);
-                continue;
-            }
-
-            // just some optimization
-            // to avoid searching for a target for each process
-            if(!w) w = n->target?n->target:n;
-        }
-    }
-
-    procfile_close(ff);
-
-    apps_groups_default_target = get_apps_groups_target("p+!o@w#e$i^r&7*5(-i)l-o_", NULL, "other"); // match nothing
-    if(!apps_groups_default_target)
-        fatal("Cannot create default target");
-
-    // allow the user to override group 'other'
-    if(apps_groups_default_target->target)
-        apps_groups_default_target = apps_groups_default_target->target;
-
-    return 0;
-}
-
-
-// ----------------------------------------------------------------------------
-// struct pid_stat management
-
-static inline struct pid_stat *get_pid_entry(pid_t pid) {
-    if(unlikely(all_pids[pid]))
-        return all_pids[pid];
-
-    struct pid_stat *p = callocz(sizeof(struct pid_stat), 1);
-    p->fds = callocz(sizeof(int), MAX_SPARE_FDS);
-    p->fds_size = MAX_SPARE_FDS;
-
-    if(likely(root_of_pids))
-        root_of_pids->prev = p;
-
-    p->next = root_of_pids;
-    root_of_pids = p;
-
-    p->pid = pid;
-
-    all_pids[pid] = p;
-    all_pids_count++;
-
-    return p;
-}
-
-static inline void del_pid_entry(pid_t pid) {
-    struct pid_stat *p = all_pids[pid];
-
-    if(unlikely(!p)) {
-        error("attempted to free pid %d that is not allocated.", pid);
-        return;
-    }
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: process %d %s exited, deleting it.\n", pid, p->comm);
-
-    if(root_of_pids == p)
-        root_of_pids = p->next;
-
-    if(p->next) p->next->prev = p->prev;
-    if(p->prev) p->prev->next = p->next;
-
-    freez(p->fds);
-    freez(p->fds_dirname);
-    freez(p->stat_filename);
-    freez(p->status_filename);
-#ifndef __FreeBSD__
-    arl_free(p->status_arl);
-#endif
-    freez(p->io_filename);
-    freez(p->cmdline_filename);
-    freez(p->cmdline);
-    freez(p);
-
-    all_pids[pid] = NULL;
-    all_pids_count--;
-}
-
-// ----------------------------------------------------------------------------
-
-static inline int managed_log(struct pid_stat *p, uint32_t log, int status) {
-    if(unlikely(!status)) {
-        // error("command failed log %u, errno %d", log, errno);
-
-        if(unlikely(debug || errno != ENOENT)) {
-            if(unlikely(debug || !(p->log_thrown & log))) {
-                p->log_thrown |= log;
-                switch(log) {
-                    case PID_LOG_IO:
-                        #ifdef __FreeBSD__
-                        error("Cannot fetch process %d I/O info (command '%s')", p->pid, p->comm);
-                        #else
-                        error("Cannot process %s/proc/%d/io (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
-                        #endif
-                        break;
-
-                    case PID_LOG_STATUS:
-                        #ifdef __FreeBSD__
-                        error("Cannot fetch process %d status info (command '%s')", p->pid, p->comm);
-                        #else
-                        error("Cannot process %s/proc/%d/status (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
-                        #endif
-                        break;
-
-                    case PID_LOG_CMDLINE:
-                        #ifdef __FreeBSD__
-                        error("Cannot fetch process %d command line (command '%s')", p->pid, p->comm);
-                        #else
-                        error("Cannot process %s/proc/%d/cmdline (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
-                        #endif
-                        break;
-
-                    case PID_LOG_FDS:
-                        #ifdef __FreeBSD__
-                        error("Cannot fetch process %d files (command '%s')", p->pid, p->comm);
-                        #else
-                        error("Cannot process entries in %s/proc/%d/fd (command '%s')", netdata_configured_host_prefix, p->pid, p->comm);
-                        #endif
-                        break;
-
-                    case PID_LOG_STAT:
-                        break;
-
-                    default:
-                        error("unhandled error for pid %d, command '%s'", p->pid, p->comm);
-                        break;
-                }
-            }
-        }
-        errno = 0;
-    }
-    else if(unlikely(p->log_thrown & log)) {
-        // error("unsetting log %u on pid %d", log, p->pid);
-        p->log_thrown &= ~log;
-    }
-
-    return status;
-}
-
-static inline void assign_target_to_pid(struct pid_stat *p) {
-    targets_assignment_counter++;
-
-    uint32_t hash = simple_hash(p->comm);
-    size_t pclen  = strlen(p->comm);
-
-    struct target *w;
-    for(w = apps_groups_root_target; w ; w = w->next) {
-        // if(debug || (p->target && p->target->debug)) fprintf(stderr, "apps.plugin: \t\tcomparing '%s' with '%s'\n", w->compare, p->comm);
-
-        // find it - 4 cases:
-        // 1. the target is not a pattern
-        // 2. the target has the prefix
-        // 3. the target has the suffix
-        // 4. the target is something inside cmdline
-
-        if(unlikely(( (!w->starts_with && !w->ends_with && w->comparehash == hash && !strcmp(w->compare, p->comm))
-                      || (w->starts_with && !w->ends_with && !strncmp(w->compare, p->comm, w->comparelen))
-                      || (!w->starts_with && w->ends_with && pclen >= w->comparelen && !strcmp(w->compare, &p->comm[pclen - w->comparelen]))
-                      || (proc_pid_cmdline_is_needed && w->starts_with && w->ends_with && p->cmdline && strstr(p->cmdline, w->compare))
-                    ))) {
-
-            if(w->target) p->target = w->target;
-            else p->target = w;
-
-            if(debug || (p->target && p->target->debug))
-                fprintf(stderr, "apps.plugin: \t\t%s linked to target %s\n", p->comm, p->target->name);
-
-            break;
-        }
-    }
-}
-
-
-// ----------------------------------------------------------------------------
-// update pids from proc
-
-static inline int read_proc_pid_cmdline(struct pid_stat *p) {
-    static char cmdline[MAX_CMDLINE + 1];
-
-#ifdef __FreeBSD__
-    size_t i, bytes = MAX_CMDLINE;
-    int mib[4];
-
-    mib[0] = CTL_KERN;
-    mib[1] = KERN_PROC;
-    mib[2] = KERN_PROC_ARGS;
-    mib[3] = p->pid;
-    if (unlikely(sysctl(mib, 4, cmdline, &bytes, NULL, 0)))
-        goto cleanup;
-#else
-    if(unlikely(!p->cmdline_filename)) {
-        char filename[FILENAME_MAX + 1];
-        snprintfz(filename, FILENAME_MAX, "%s/proc/%d/cmdline", netdata_configured_host_prefix, p->pid);
-        p->cmdline_filename = strdupz(filename);
-    }
-
-    int fd = open(p->cmdline_filename, O_RDONLY, 0666);
-    if(unlikely(fd == -1)) goto cleanup;
-
-    ssize_t i, bytes = read(fd, cmdline, MAX_CMDLINE);
-    close(fd);
-
-    if(unlikely(bytes < 0)) goto cleanup;
-#endif
-
-    cmdline[bytes] = '\0';
-    for(i = 0; i < bytes ; i++)
-        if(unlikely(!cmdline[i])) cmdline[i] = ' ';
-
-    p->cmdline = strdupz(cmdline);
-
-    if(unlikely(debug))
-        fprintf(stderr, "Read file '%s' contents: %s\n", p->cmdline_filename, p->cmdline);
-
-    return 1;
-
-cleanup:
-    // copy the command to the command line
-    p->cmdline = strdupz(p->comm);
-    return 0;
-}
-
-// ----------------------------------------------------------------------------
-// macro to calculate the incremental rate of a value
-// each parameter is accessed only ONCE - so it is safe to pass function calls
-// or other macros as parameters
-
-#define incremental_rate(rate_variable, last_kernel_variable, new_kernel_value, collected_usec, last_collected_usec) { \
-        kernel_uint_t _new_tmp = new_kernel_value; \
-        (rate_variable) = (_new_tmp - (last_kernel_variable)) * (USEC_PER_SEC * RATES_DETAIL) / ((collected_usec) - (last_collected_usec)); \
-        (last_kernel_variable) = _new_tmp; \
-    }
-
-// the same macro for struct pid members
-#define pid_incremental_rate(type, var, value) \
-    incremental_rate(var, var##_raw, value, p->type##_collected_usec, p->last_##type##_collected_usec)
-
-
-// ----------------------------------------------------------------------------
-
-#ifndef __FreeBSD__
-struct arl_callback_ptr {
-    struct pid_stat *p;
-    procfile *ff;
-    size_t line;
-};
-
-void arl_callback_status_uid(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 5)) return;
-
-    //const char *real_uid = procfile_lineword(aptr->ff, aptr->line, 1);
-    const char *effective_uid = procfile_lineword(aptr->ff, aptr->line, 2);
-    //const char *saved_uid = procfile_lineword(aptr->ff, aptr->line, 3);
-    //const char *filesystem_uid = procfile_lineword(aptr->ff, aptr->line, 4);
-
-    if(likely(effective_uid && *effective_uid))
-        aptr->p->uid = (uid_t)str2l(effective_uid);
-}
-
-void arl_callback_status_gid(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 5)) return;
-
-    //const char *real_gid = procfile_lineword(aptr->ff, aptr->line, 1);
-    const char *effective_gid = procfile_lineword(aptr->ff, aptr->line, 2);
-    //const char *saved_gid = procfile_lineword(aptr->ff, aptr->line, 3);
-    //const char *filesystem_gid = procfile_lineword(aptr->ff, aptr->line, 4);
-
-    if(likely(effective_gid && *effective_gid))
-        aptr->p->gid = (uid_t)str2l(effective_gid);
-}
-
-void arl_callback_status_vmsize(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 3)) return;
-
-    aptr->p->status_vmsize = str2kernel_uint_t(procfile_lineword(aptr->ff, aptr->line, 1));
-}
-
-void arl_callback_status_vmswap(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 3)) return;
-
-    aptr->p->status_vmswap = str2kernel_uint_t(procfile_lineword(aptr->ff, aptr->line, 1));
-}
-
-void arl_callback_status_vmrss(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 3)) return;
-
-    aptr->p->status_vmrss = str2kernel_uint_t(procfile_lineword(aptr->ff, aptr->line, 1));
-}
-
-void arl_callback_status_rssfile(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 3)) return;
-
-    aptr->p->status_rssfile = str2kernel_uint_t(procfile_lineword(aptr->ff, aptr->line, 1));
-}
-
-void arl_callback_status_rssshmem(const char *name, uint32_t hash, const char *value, void *dst) {
-    (void)name; (void)hash; (void)value;
-    struct arl_callback_ptr *aptr = (struct arl_callback_ptr *)dst;
-    if(unlikely(procfile_linewords(aptr->ff, aptr->line) < 3)) return;
-
-    aptr->p->status_rssshmem = str2kernel_uint_t(procfile_lineword(aptr->ff, aptr->line, 1));
-}
-#endif // !__FreeBSD__
-
-static inline int read_proc_pid_status(struct pid_stat *p, void *ptr) {
-    p->status_vmsize           = 0;
-    p->status_vmrss            = 0;
-    p->status_vmshared         = 0;
-    p->status_rssfile          = 0;
-    p->status_rssshmem         = 0;
-    p->status_vmswap           = 0;
-
-#ifdef __FreeBSD__
-    struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
-
-    p->uid                  = proc_info->ki_uid;
-    p->gid                  = proc_info->ki_groups[0];
-    p->status_vmsize        = proc_info->ki_size / 1024; // in kB
-    p->status_vmrss         = proc_info->ki_rssize * pagesize / 1024; // in kB
-    // FIXME: what about shared and swap memory on FreeBSD?
-    return 1;
-#else
-    (void)ptr;
-
-    static struct arl_callback_ptr arl_ptr;
-    static procfile *ff = NULL;
-
-    if(unlikely(!p->status_arl)) {
-        p->status_arl = arl_create("/proc/pid/status", NULL, 60);
-        arl_expect_custom(p->status_arl, "Uid", arl_callback_status_uid, &arl_ptr);
-        arl_expect_custom(p->status_arl, "Gid", arl_callback_status_gid, &arl_ptr);
-        arl_expect_custom(p->status_arl, "VmSize", arl_callback_status_vmsize, &arl_ptr);
-        arl_expect_custom(p->status_arl, "VmRSS", arl_callback_status_vmrss, &arl_ptr);
-        arl_expect_custom(p->status_arl, "RssFile", arl_callback_status_rssfile, &arl_ptr);
-        arl_expect_custom(p->status_arl, "RssShmem", arl_callback_status_rssshmem, &arl_ptr);
-        arl_expect_custom(p->status_arl, "VmSwap", arl_callback_status_vmswap, &arl_ptr);
-    }
-
-    if(unlikely(!p->status_filename)) {
-        char filename[FILENAME_MAX + 1];
-        snprintfz(filename, FILENAME_MAX, "%s/proc/%d/status", netdata_configured_host_prefix, p->pid);
-        p->status_filename = strdupz(filename);
-    }
-
-    ff = procfile_reopen(ff, p->status_filename, (!ff)?" \t:,-()/":NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
-    if(unlikely(!ff)) return 0;
-
-    ff = procfile_readall(ff);
-    if(unlikely(!ff)) return 0;
-
-    calls_counter++;
-
-    // let ARL use this pid
-    arl_ptr.p = p;
-    arl_ptr.ff = ff;
-
-    size_t lines = procfile_lines(ff), l;
-    arl_begin(p->status_arl);
-
-    for(l = 0; l < lines ;l++) {
-        // fprintf(stderr, "CHECK: line %zu of %zu, key '%s' = '%s'\n", l, lines, procfile_lineword(ff, l, 0), procfile_lineword(ff, l, 1));
-        arl_ptr.line = l;
-        if(unlikely(arl_check(p->status_arl,
-                procfile_lineword(ff, l, 0),
-                procfile_lineword(ff, l, 1)))) break;
-    }
-
-    p->status_vmshared = p->status_rssfile + p->status_rssshmem;
-
-    // fprintf(stderr, "%s uid %d, gid %d, VmSize %zu, VmRSS %zu, RssFile %zu, RssShmem %zu, shared %zu\n", p->comm, (int)p->uid, (int)p->gid, p->status_vmsize, p->status_vmrss, p->status_rssfile, p->status_rssshmem, p->status_vmshared);
-
-    return 1;
-#endif
-}
-
-
-// ----------------------------------------------------------------------------
-
-static inline int read_proc_pid_stat(struct pid_stat *p, void *ptr) {
-    (void)ptr;
-
-#ifdef __FreeBSD__
-    struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
-
-    if (unlikely(proc_info->ki_tdflags & TDF_IDLETD))
-        goto cleanup;
-#else
-    static procfile *ff = NULL;
-
-    if(unlikely(!p->stat_filename)) {
-        char filename[FILENAME_MAX + 1];
-        snprintfz(filename, FILENAME_MAX, "%s/proc/%d/stat", netdata_configured_host_prefix, p->pid);
-        p->stat_filename = strdupz(filename);
-    }
-
-    int set_quotes = (!ff)?1:0;
-
-    ff = procfile_reopen(ff, p->stat_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
-    if(unlikely(!ff)) goto cleanup;
-
-    // if(set_quotes) procfile_set_quotes(ff, "()");
-    if(unlikely(set_quotes))
-        procfile_set_open_close(ff, "(", ")");
-
-    ff = procfile_readall(ff);
-    if(unlikely(!ff)) goto cleanup;
-#endif
-
-    p->last_stat_collected_usec = p->stat_collected_usec;
-    p->stat_collected_usec = now_monotonic_usec();
-    calls_counter++;
-
-#ifdef __FreeBSD__
-    char *comm          = proc_info->ki_comm;
-    p->ppid             = proc_info->ki_ppid;
-#else
-    // p->pid           = str2pid_t(procfile_lineword(ff, 0, 0));
-    char *comm          = procfile_lineword(ff, 0, 1);
-    // p->state         = *(procfile_lineword(ff, 0, 2));
-    p->ppid             = (int32_t)str2pid_t(procfile_lineword(ff, 0, 3));
-    // p->pgrp          = (int32_t)str2pid_t(procfile_lineword(ff, 0, 4));
-    // p->session       = (int32_t)str2pid_t(procfile_lineword(ff, 0, 5));
-    // p->tty_nr        = (int32_t)str2pid_t(procfile_lineword(ff, 0, 6));
-    // p->tpgid         = (int32_t)str2pid_t(procfile_lineword(ff, 0, 7));
-    // p->flags         = str2uint64_t(procfile_lineword(ff, 0, 8));
-#endif
-
-    if(strcmp(p->comm, comm) != 0) {
-        if(unlikely(debug)) {
-            if(p->comm[0])
-                fprintf(stderr, "apps.plugin: \tpid %d (%s) changed name to '%s'\n", p->pid, p->comm, comm);
-            else
-                fprintf(stderr, "apps.plugin: \tJust added %d (%s)\n", p->pid, comm);
-        }
-
-        strncpyz(p->comm, comm, MAX_COMPARE_NAME);
-
-        // /proc/<pid>/cmdline
-        if(likely(proc_pid_cmdline_is_needed))
-            managed_log(p, PID_LOG_CMDLINE, read_proc_pid_cmdline(p));
-
-        assign_target_to_pid(p);
-    }
-
-#ifdef __FreeBSD__
-    pid_incremental_rate(stat, p->minflt,  (kernel_uint_t)proc_info->ki_rusage.ru_minflt);
-    pid_incremental_rate(stat, p->cminflt, (kernel_uint_t)proc_info->ki_rusage_ch.ru_minflt);
-    pid_incremental_rate(stat, p->majflt,  (kernel_uint_t)proc_info->ki_rusage.ru_majflt);
-    pid_incremental_rate(stat, p->cmajflt, (kernel_uint_t)proc_info->ki_rusage_ch.ru_majflt);
-    pid_incremental_rate(stat, p->utime,   (kernel_uint_t)proc_info->ki_rusage.ru_utime.tv_sec * 100 + proc_info->ki_rusage.ru_utime.tv_usec / 10000);
-    pid_incremental_rate(stat, p->stime,   (kernel_uint_t)proc_info->ki_rusage.ru_stime.tv_sec * 100 + proc_info->ki_rusage.ru_stime.tv_usec / 10000);
-    pid_incremental_rate(stat, p->cutime,  (kernel_uint_t)proc_info->ki_rusage_ch.ru_utime.tv_sec * 100 + proc_info->ki_rusage_ch.ru_utime.tv_usec / 10000);
-    pid_incremental_rate(stat, p->cstime,  (kernel_uint_t)proc_info->ki_rusage_ch.ru_stime.tv_sec * 100 + proc_info->ki_rusage_ch.ru_stime.tv_usec / 10000);
-
-    p->num_threads      = proc_info->ki_numthreads;
-
-    if(enable_guest_charts) {
-        enable_guest_charts = 0;
-        info("Guest charts aren't supported by FreeBSD");
-    }
-#else
-    pid_incremental_rate(stat, p->minflt,  str2kernel_uint_t(procfile_lineword(ff, 0,  9)));
-    pid_incremental_rate(stat, p->cminflt, str2kernel_uint_t(procfile_lineword(ff, 0, 10)));
-    pid_incremental_rate(stat, p->majflt,  str2kernel_uint_t(procfile_lineword(ff, 0, 11)));
-    pid_incremental_rate(stat, p->cmajflt, str2kernel_uint_t(procfile_lineword(ff, 0, 12)));
-    pid_incremental_rate(stat, p->utime,   str2kernel_uint_t(procfile_lineword(ff, 0, 13)));
-    pid_incremental_rate(stat, p->stime,   str2kernel_uint_t(procfile_lineword(ff, 0, 14)));
-    pid_incremental_rate(stat, p->cutime,  str2kernel_uint_t(procfile_lineword(ff, 0, 15)));
-    pid_incremental_rate(stat, p->cstime,  str2kernel_uint_t(procfile_lineword(ff, 0, 16)));
-    // p->priority      = str2kernel_uint_t(procfile_lineword(ff, 0, 17));
-    // p->nice          = str2kernel_uint_t(procfile_lineword(ff, 0, 18));
-    p->num_threads      = (int32_t)str2uint32_t(procfile_lineword(ff, 0, 19));
-    // p->itrealvalue   = str2kernel_uint_t(procfile_lineword(ff, 0, 20));
-    // p->starttime     = str2kernel_uint_t(procfile_lineword(ff, 0, 21));
-    // p->vsize         = str2kernel_uint_t(procfile_lineword(ff, 0, 22));
-    // p->rss           = str2kernel_uint_t(procfile_lineword(ff, 0, 23));
-    // p->rsslim        = str2kernel_uint_t(procfile_lineword(ff, 0, 24));
-    // p->starcode      = str2kernel_uint_t(procfile_lineword(ff, 0, 25));
-    // p->endcode       = str2kernel_uint_t(procfile_lineword(ff, 0, 26));
-    // p->startstack    = str2kernel_uint_t(procfile_lineword(ff, 0, 27));
-    // p->kstkesp       = str2kernel_uint_t(procfile_lineword(ff, 0, 28));
-    // p->kstkeip       = str2kernel_uint_t(procfile_lineword(ff, 0, 29));
-    // p->signal        = str2kernel_uint_t(procfile_lineword(ff, 0, 30));
-    // p->blocked       = str2kernel_uint_t(procfile_lineword(ff, 0, 31));
-    // p->sigignore     = str2kernel_uint_t(procfile_lineword(ff, 0, 32));
-    // p->sigcatch      = str2kernel_uint_t(procfile_lineword(ff, 0, 33));
-    // p->wchan         = str2kernel_uint_t(procfile_lineword(ff, 0, 34));
-    // p->nswap         = str2kernel_uint_t(procfile_lineword(ff, 0, 35));
-    // p->cnswap        = str2kernel_uint_t(procfile_lineword(ff, 0, 36));
-    // p->exit_signal   = str2kernel_uint_t(procfile_lineword(ff, 0, 37));
-    // p->processor     = str2kernel_uint_t(procfile_lineword(ff, 0, 38));
-    // p->rt_priority   = str2kernel_uint_t(procfile_lineword(ff, 0, 39));
-    // p->policy        = str2kernel_uint_t(procfile_lineword(ff, 0, 40));
-    // p->delayacct_blkio_ticks = str2kernel_uint_t(procfile_lineword(ff, 0, 41));
-
-    if(enable_guest_charts) {
-
-        pid_incremental_rate(stat, p->gtime,  str2kernel_uint_t(procfile_lineword(ff, 0, 42)));
-        pid_incremental_rate(stat, p->cgtime, str2kernel_uint_t(procfile_lineword(ff, 0, 43)));
-
-        if (show_guest_time || p->gtime || p->cgtime) {
-            p->utime -= (p->utime >= p->gtime) ? p->gtime : p->utime;
-            p->cutime -= (p->cutime >= p->cgtime) ? p->cgtime : p->cutime;
-            show_guest_time = 1;
-        }
-    }
-#endif
-
-    if(unlikely(debug || (p->target && p->target->debug)))
-        fprintf(stderr, "apps.plugin: READ PROC/PID/STAT: %s/proc/%d/stat, process: '%s' on target '%s' (dt=%llu) VALUES: utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", cutime=" KERNEL_UINT_FORMAT ", cstime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", cminflt=" KERNEL_UINT_FORMAT ", cmajflt=" KERNEL_UINT_FORMAT ", threads=%d\n", netdata_configured_host_prefix, p->pid, p->comm, (p->target)?p->target->name:"UNSET", p->stat_collected_usec - p->last_stat_collected_usec, p->utime, p->stime, p->cutime, p->cstime, p->minflt, p->majflt, p->cminflt, p->cmajflt, p->num_threads);
-
-    if(unlikely(global_iterations_counter == 1)) {
-        p->minflt           = 0;
-        p->cminflt          = 0;
-        p->majflt           = 0;
-        p->cmajflt          = 0;
-        p->utime            = 0;
-        p->stime            = 0;
-        p->gtime            = 0;
-        p->cutime           = 0;
-        p->cstime           = 0;
-        p->cgtime           = 0;
-    }
-
-    return 1;
-
-cleanup:
-    p->minflt           = 0;
-    p->cminflt          = 0;
-    p->majflt           = 0;
-    p->cmajflt          = 0;
-    p->utime            = 0;
-    p->stime            = 0;
-    p->gtime            = 0;
-    p->cutime           = 0;
-    p->cstime           = 0;
-    p->cgtime           = 0;
-    p->num_threads      = 0;
-    // p->rss              = 0;
-    return 0;
-}
-
-static inline int read_proc_pid_io(struct pid_stat *p, void *ptr) {
-    (void)ptr;
-#ifdef __FreeBSD__
-    struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
-#else
-    static procfile *ff = NULL;
-
-    if(unlikely(!p->io_filename)) {
-        char filename[FILENAME_MAX + 1];
-        snprintfz(filename, FILENAME_MAX, "%s/proc/%d/io", netdata_configured_host_prefix, p->pid);
-        p->io_filename = strdupz(filename);
-    }
-
-    // open the file
-    ff = procfile_reopen(ff, p->io_filename, NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
-    if(unlikely(!ff)) goto cleanup;
-
-    ff = procfile_readall(ff);
-    if(unlikely(!ff)) goto cleanup;
-#endif
-
-    calls_counter++;
-
-    p->last_io_collected_usec = p->io_collected_usec;
-    p->io_collected_usec = now_monotonic_usec();
-
-#ifdef __FreeBSD__
-    pid_incremental_rate(io, p->io_storage_bytes_read,       proc_info->ki_rusage.ru_inblock);
-    pid_incremental_rate(io, p->io_storage_bytes_written,    proc_info->ki_rusage.ru_oublock);
-#else
-    pid_incremental_rate(io, p->io_logical_bytes_read,       str2kernel_uint_t(procfile_lineword(ff, 0,  1)));
-    pid_incremental_rate(io, p->io_logical_bytes_written,    str2kernel_uint_t(procfile_lineword(ff, 1,  1)));
-    // pid_incremental_rate(io, p->io_read_calls,               str2kernel_uint_t(procfile_lineword(ff, 2,  1)));
-    // pid_incremental_rate(io, p->io_write_calls,              str2kernel_uint_t(procfile_lineword(ff, 3,  1)));
-    pid_incremental_rate(io, p->io_storage_bytes_read,       str2kernel_uint_t(procfile_lineword(ff, 4,  1)));
-    pid_incremental_rate(io, p->io_storage_bytes_written,    str2kernel_uint_t(procfile_lineword(ff, 5,  1)));
-    // pid_incremental_rate(io, p->io_cancelled_write_bytes,    str2kernel_uint_t(procfile_lineword(ff, 6,  1)));
-#endif
-
-    if(unlikely(global_iterations_counter == 1)) {
-        p->io_logical_bytes_read        = 0;
-        p->io_logical_bytes_written     = 0;
-        // p->io_read_calls             = 0;
-        // p->io_write_calls            = 0;
-        p->io_storage_bytes_read        = 0;
-        p->io_storage_bytes_written     = 0;
-        // p->io_cancelled_write_bytes  = 0;
-    }
-
-    return 1;
-
-#ifndef __FreeBSD__
-cleanup:
-    p->io_logical_bytes_read        = 0;
-    p->io_logical_bytes_written     = 0;
-    // p->io_read_calls             = 0;
-    // p->io_write_calls            = 0;
-    p->io_storage_bytes_read        = 0;
-    p->io_storage_bytes_written     = 0;
-    // p->io_cancelled_write_bytes  = 0;
-    return 0;
-#endif
-}
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-static inline int read_proc_stat() {
-    static char filename[FILENAME_MAX + 1] = "";
-    static procfile *ff = NULL;
-    static kernel_uint_t utime_raw = 0, stime_raw = 0, gtime_raw = 0, gntime_raw = 0, ntime_raw = 0;
-    static usec_t collected_usec = 0, last_collected_usec = 0;
-
-    if(unlikely(!ff)) {
-        snprintfz(filename, FILENAME_MAX, "%s/proc/stat", netdata_configured_host_prefix);
-        ff = procfile_open(filename, " \t:", PROCFILE_FLAG_DEFAULT);
-        if(unlikely(!ff)) goto cleanup;
-    }
-
-    ff = procfile_readall(ff);
-    if(unlikely(!ff)) goto cleanup;
-
-    last_collected_usec = collected_usec;
-    collected_usec = now_monotonic_usec();
-
-    calls_counter++;
-
-    // temporary - it is added global_ntime;
-    kernel_uint_t global_ntime = 0;
-
-    incremental_rate(global_utime, utime_raw, str2kernel_uint_t(procfile_lineword(ff, 0,  1)), collected_usec, last_collected_usec);
-    incremental_rate(global_ntime, ntime_raw, str2kernel_uint_t(procfile_lineword(ff, 0,  2)), collected_usec, last_collected_usec);
-    incremental_rate(global_stime, stime_raw, str2kernel_uint_t(procfile_lineword(ff, 0,  3)), collected_usec, last_collected_usec);
-    incremental_rate(global_gtime, gtime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 10)), collected_usec, last_collected_usec);
-
-    global_utime += global_ntime;
-
-    if(enable_guest_charts) {
-        // temporary - it is added global_ntime;
-        kernel_uint_t global_gntime = 0;
-
-        // guest nice time, on guest time
-        incremental_rate(global_gntime, gntime_raw, str2kernel_uint_t(procfile_lineword(ff, 0, 11)), collected_usec, last_collected_usec);
-
-        global_gtime += global_gntime;
-
-        // remove guest time from user time
-        global_utime -= (global_utime > global_gtime) ? global_gtime : global_utime;
-    }
-
-    if(unlikely(global_iterations_counter == 1)) {
-        global_utime = 0;
-        global_stime = 0;
-        global_gtime = 0;
-    }
-
-    return 1;
-
-cleanup:
-    global_utime = 0;
-    global_stime = 0;
-    global_gtime = 0;
-    return 0;
-}
-#else
-static inline int read_proc_stat() {
-    return 0;
-}
-#endif
-
-// ----------------------------------------------------------------------------
-
-int file_descriptor_compare(void* a, void* b) {
-#ifdef NETDATA_INTERNAL_CHECKS
-    if(((struct file_descriptor *)a)->magic != 0x0BADCAFE || ((struct file_descriptor *)b)->magic != 0x0BADCAFE)
-        error("Corrupted index data detected. Please report this.");
-#endif /* NETDATA_INTERNAL_CHECKS */
-
-    if(((struct file_descriptor *)a)->hash < ((struct file_descriptor *)b)->hash)
-        return -1;
-
-    else if(((struct file_descriptor *)a)->hash > ((struct file_descriptor *)b)->hash)
-        return 1;
-
-    else
-        return strcmp(((struct file_descriptor *)a)->name, ((struct file_descriptor *)b)->name);
-}
-
-int file_descriptor_iterator(avl *a) { if(a) {}; return 0; }
-
-avl_tree all_files_index = {
-        NULL,
-        file_descriptor_compare
-};
-
-static struct file_descriptor *file_descriptor_find(const char *name, uint32_t hash) {
-    struct file_descriptor tmp;
-    tmp.hash = (hash)?hash:simple_hash(name);
-    tmp.name = name;
-    tmp.count = 0;
-    tmp.pos = 0;
-#ifdef NETDATA_INTERNAL_CHECKS
-    tmp.magic = 0x0BADCAFE;
-#endif /* NETDATA_INTERNAL_CHECKS */
-
-    return (struct file_descriptor *)avl_search(&all_files_index, (avl *) &tmp);
-}
-
-#define file_descriptor_add(fd) avl_insert(&all_files_index, (avl *)(fd))
-#define file_descriptor_remove(fd) avl_remove(&all_files_index, (avl *)(fd))
-
-// ----------------------------------------------------------------------------
-
-static inline void file_descriptor_not_used(int id)
-{
-    if(id > 0 && id < all_files_size) {
-
-#ifdef NETDATA_INTERNAL_CHECKS
-        if(all_files[id].magic != 0x0BADCAFE) {
-            error("Ignoring request to remove empty file id %d.", id);
-            return;
-        }
-#endif /* NETDATA_INTERNAL_CHECKS */
-
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin: decreasing slot %d (count = %d).\n", id, all_files[id].count);
-
-        if(all_files[id].count > 0) {
-            all_files[id].count--;
-
-            if(!all_files[id].count) {
-                if(unlikely(debug))
-                    fprintf(stderr, "apps.plugin:   >> slot %d is empty.\n", id);
-
-                if(unlikely(file_descriptor_remove(&all_files[id]) != (void *)&all_files[id]))
-                    error("INTERNAL ERROR: removal of unused fd from index, removed a different fd");
-
-#ifdef NETDATA_INTERNAL_CHECKS
-                all_files[id].magic = 0x00000000;
-#endif /* NETDATA_INTERNAL_CHECKS */
-                all_files_len--;
-            }
-        }
-        else
-            error("Request to decrease counter of fd %d (%s), while the use counter is 0", id, all_files[id].name);
-    }
-    else    error("Request to decrease counter of fd %d, which is outside the array size (1 to %d)", id, all_files_size);
-}
-
-static inline void all_files_grow() {
-    void *old = all_files;
-    int i;
-
-    // there is no empty slot
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: extending fd array to %d entries\n", all_files_size + FILE_DESCRIPTORS_INCREASE_STEP);
-
-    all_files = reallocz(all_files, (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP) * sizeof(struct file_descriptor));
-
-    // if the address changed, we have to rebuild the index
-    // since all pointers are now invalid
-
-    if(unlikely(old && old != (void *)all_files)) {
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin:   >> re-indexing.\n");
-
-        all_files_index.root = NULL;
-        for(i = 0; i < all_files_size; i++) {
-            if(!all_files[i].count) continue;
-            if(unlikely(file_descriptor_add(&all_files[i]) != (void *)&all_files[i]))
-                error("INTERNAL ERROR: duplicate indexing of fd during realloc.");
-        }
-
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin:   >> re-indexing done.\n");
-    }
-
-    // initialize the newly added entries
-
-    for(i = all_files_size; i < (all_files_size + FILE_DESCRIPTORS_INCREASE_STEP); i++) {
-        all_files[i].count = 0;
-        all_files[i].name = NULL;
-#ifdef NETDATA_INTERNAL_CHECKS
-        all_files[i].magic = 0x00000000;
-#endif /* NETDATA_INTERNAL_CHECKS */
-        all_files[i].pos = i;
-    }
-
-    if(unlikely(!all_files_size)) all_files_len = 1;
-    all_files_size += FILE_DESCRIPTORS_INCREASE_STEP;
-}
-
-static inline int file_descriptor_set_on_empty_slot(const char *name, uint32_t hash, FD_FILETYPE type) {
-    // check we have enough memory to add it
-    if(!all_files || all_files_len == all_files_size)
-        all_files_grow();
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin:   >> searching for empty slot.\n");
-
-    // search for an empty slot
-
-    static int last_pos = 0;
-    int i, c;
-    for(i = 0, c = last_pos ; i < all_files_size ; i++, c++) {
-        if(c >= all_files_size) c = 0;
-        if(c == 0) continue;
-
-        if(!all_files[c].count) {
-            if(unlikely(debug))
-                fprintf(stderr, "apps.plugin:   >> Examining slot %d.\n", c);
-
-#ifdef NETDATA_INTERNAL_CHECKS
-            if(all_files[c].magic == 0x0BADCAFE && all_files[c].name && file_descriptor_find(all_files[c].name, all_files[c].hash))
-                error("fd on position %d is not cleared properly. It still has %s in it.\n", c, all_files[c].name);
-#endif /* NETDATA_INTERNAL_CHECKS */
-
-            if(unlikely(debug))
-                fprintf(stderr, "apps.plugin:   >> %s fd position %d for %s (last name: %s)\n", all_files[c].name?"re-using":"using", c, name, all_files[c].name);
-
-            freez((void *)all_files[c].name);
-            all_files[c].name = NULL;
-            last_pos = c;
-            break;
-        }
-    }
-
-    all_files_len++;
-
-    if(i == all_files_size) {
-        fatal("We should find an empty slot, but there isn't any");
-        exit(1);
-    }
-    // else we have an empty slot in 'c'
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin:   >> updating slot %d.\n", c);
-
-    all_files[c].name = strdupz(name);
-    all_files[c].hash = hash;
-    all_files[c].type = type;
-    all_files[c].pos  = c;
-    all_files[c].count = 1;
-#ifdef NETDATA_INTERNAL_CHECKS
-    all_files[c].magic = 0x0BADCAFE;
-#endif /* NETDATA_INTERNAL_CHECKS */
-    if(unlikely(file_descriptor_add(&all_files[c]) != (void *)&all_files[c]))
-        error("INTERNAL ERROR: duplicate indexing of fd.");
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: using fd position %d (name: %s)\n", c, all_files[c].name);
-
-    return c;
-}
-
-static inline int file_descriptor_find_or_add(const char *name)
-{
-    uint32_t hash = simple_hash(name);
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: adding or finding name '%s' with hash %u\n", name, hash);
-
-    struct file_descriptor *fd = file_descriptor_find(name, hash);
-    if(fd) {
-        // found
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin:   >> found on slot %d\n", fd->pos);
-
-        fd->count++;
-        return fd->pos;
-    }
-    // not found
-
-    FD_FILETYPE type;
-    if(likely(name[0] == '/')) type = FILETYPE_FILE;
-    else if(likely(strncmp(name, "pipe:", 5) == 0)) type = FILETYPE_PIPE;
-    else if(likely(strncmp(name, "socket:", 7) == 0)) type = FILETYPE_SOCKET;
-    else if(likely(strncmp(name, "anon_inode:", 11) == 0)) {
-        const char *t = &name[11];
-
-             if(strcmp(t, "inotify") == 0) type = FILETYPE_INOTIFY;
-        else if(strcmp(t, "[eventfd]") == 0) type = FILETYPE_EVENTFD;
-        else if(strcmp(t, "[eventpoll]") == 0) type = FILETYPE_EVENTPOLL;
-        else if(strcmp(t, "[timerfd]") == 0) type = FILETYPE_TIMERFD;
-        else if(strcmp(t, "[signalfd]") == 0) type = FILETYPE_SIGNALFD;
-        else {
-            if(unlikely(debug))
-                fprintf(stderr, "apps.plugin: FIXME: unknown anonymous inode: %s\n", name);
-
-            type = FILETYPE_OTHER;
-        }
-    }
-    else if(likely(strcmp(name, "inotify") == 0)) type = FILETYPE_INOTIFY;
-    else {
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin: FIXME: cannot understand linkname: %s\n", name);
-
-        type = FILETYPE_OTHER;
-    }
-
-    return file_descriptor_set_on_empty_slot(name, hash, type);
-}
-
-static inline void make_all_pid_fds_negative(struct pid_stat *p) {
-    int *fd = p->fds, *end = &p->fds[p->fds_size];
-    while(fd < end) {
-        *fd = -(*fd);
-        fd++;
-    }
-}
-
-static inline void cleanup_negative_pid_fds(struct pid_stat *p) {
-    int *fd = p->fds, *fdend = &p->fds[p->fds_size];
-
-    while(fd < fdend) {
-        if(unlikely(*fd < 0)) {
-            file_descriptor_not_used(-(*fd));
-            *fd++ = 0;
-        }
-        else
-            fd++;
-    }
-}
-
-static inline void zero_pid_fds(struct pid_stat *p, int first, int size) {
-    int *fd = &p->fds[first], *end = &p->fds[first + size];
-    while(fd < end) *fd++ = 0;
-}
-
-static inline int read_pid_file_descriptors(struct pid_stat *p, void *ptr) {
-    (void)ptr;
-#ifdef __FreeBSD__
-    int mib[4];
-    size_t size;
-    struct kinfo_file *fds;
-    static char *fdsbuf;
-    char *bfdsbuf, *efdsbuf;
-    char fdsname[FILENAME_MAX + 1];
-
-    // we make all pid fds negative, so that
-    // we can detect unused file descriptors
-    // at the end, to free them
-    make_all_pid_fds_negative(p);
-
-    mib[0] = CTL_KERN;
-    mib[1] = KERN_PROC;
-    mib[2] = KERN_PROC_FILEDESC;
-    mib[3] = p->pid;
-
-    if (unlikely(sysctl(mib, 4, NULL, &size, NULL, 0))) {
-        error("sysctl error: Can't get file descriptors data size for pid %d", p->pid);
-        return 0;
-    }
-    if (likely(size > 0))
-        fdsbuf = reallocz(fdsbuf, size);
-    if (unlikely(sysctl(mib, 4, fdsbuf, &size, NULL, 0))) {
-        error("sysctl error: Can't get file descriptors data for pid %d", p->pid);
-        return 0;
-    }
-
-    bfdsbuf = fdsbuf;
-    efdsbuf = fdsbuf + size;
-    while (bfdsbuf < efdsbuf) {
-        fds = (struct kinfo_file *)(uintptr_t)bfdsbuf;
-        if (unlikely(fds->kf_structsize == 0))
-            break;
-
-        // do not process file descriptors for current working directory, root directory,
-        // jail directory, ktrace vnode, text vnode and controlling terminal
-        if (unlikely(fds->kf_fd < 0)) {
-            bfdsbuf += fds->kf_structsize;
-            continue;
-        }
-
-        // get file descriptors array index
-        int fdid = fds->kf_fd;
-
-        // check if the fds array is small
-        if (unlikely(fdid >= p->fds_size)) {
-            // it is small, extend it
-
-            if (unlikely(debug))
-                fprintf(stderr, "apps.plugin: extending fd memory slots for %s from %d to %d\n", p->comm, p->fds_size, fdid + MAX_SPARE_FDS);
-
-            p->fds = reallocz(p->fds, (fdid + MAX_SPARE_FDS) * sizeof(int));
-
-            // and initialize it
-            zero_pid_fds(p, p->fds_size, (fdid + MAX_SPARE_FDS) - p->fds_size);
-            p->fds_size = fdid + MAX_SPARE_FDS;
-        }
-
-        if (unlikely(p->fds[fdid] == 0)) {
-            // we don't know this fd, get it
-
-            switch (fds->kf_type) {
-                case KF_TYPE_FIFO:
-                case KF_TYPE_VNODE:
-                    if (unlikely(!fds->kf_path[0])) {
-                        sprintf(fdsname, "other: inode: %lu", fds->kf_un.kf_file.kf_file_fileid);
-                        break;
-                    }
-                    sprintf(fdsname, "%s", fds->kf_path);
-                    break;
-                case KF_TYPE_SOCKET:
-                    switch (fds->kf_sock_domain) {
-                        case AF_INET:
-                        case AF_INET6:
-                            if (fds->kf_sock_protocol == IPPROTO_TCP)
-                                sprintf(fdsname, "socket: %d %lx", fds->kf_sock_protocol, fds->kf_un.kf_sock.kf_sock_inpcb);
-                            else
-                                sprintf(fdsname, "socket: %d %lx", fds->kf_sock_protocol, fds->kf_un.kf_sock.kf_sock_pcb);
-                            break;
-                        case AF_UNIX:
-                            /* print address of pcb and connected pcb */
-                            sprintf(fdsname, "socket: %lx %lx", fds->kf_un.kf_sock.kf_sock_pcb, fds->kf_un.kf_sock.kf_sock_unpconn);
-                            break;
-                        default:
-                            /* print protocol number and socket address */
-#if __FreeBSD_version < 1200031
-                            sprintf(fdsname, "socket: other: %d %s %s", fds->kf_sock_protocol, fds->kf_sa_local.__ss_pad1, fds->kf_sa_local.__ss_pad2);
-#else
-                            sprintf(fdsname, "socket: other: %d %s %s", fds->kf_sock_protocol, fds->kf_un.kf_sock.kf_sa_local.__ss_pad1, fds->kf_un.kf_sock.kf_sa_local.__ss_pad2);
-#endif
-                    }
-                    break;
-                case KF_TYPE_PIPE:
-                    sprintf(fdsname, "pipe: %lu %lu", fds->kf_un.kf_pipe.kf_pipe_addr, fds->kf_un.kf_pipe.kf_pipe_peer);
-                    break;
-                case KF_TYPE_PTS:
-#if __FreeBSD_version < 1200031
-                    sprintf(fdsname, "other: pts: %u", fds->kf_un.kf_pts.kf_pts_dev);
-#else
-                    sprintf(fdsname, "other: pts: %lu", fds->kf_un.kf_pts.kf_pts_dev);
-#endif
-                    break;
-                case KF_TYPE_SHM:
-                    sprintf(fdsname, "other: shm: %s size: %lu", fds->kf_path, fds->kf_un.kf_file.kf_file_size);
-                    break;
-                case KF_TYPE_SEM:
-                    sprintf(fdsname, "other: sem: %u", fds->kf_un.kf_sem.kf_sem_value);
-                    break;
-                default:
-                    sprintf(fdsname, "other: pid: %d fd: %d", fds->kf_un.kf_proc.kf_pid, fds->kf_fd);
-            }
-
-            // if another process already has this, we will get
-            // the same id
-            p->fds[fdid] = file_descriptor_find_or_add(fdsname);
-        }
-
-            // else make it positive again, we need it
-            // of course, the actual file may have changed, but we don't care so much
-            // FIXME: we could compare the inode as returned by readdir dirent structure
-
-        else
-            p->fds[fdid] = -p->fds[fdid];
-
-        bfdsbuf += fds->kf_structsize;
-    }
-#else
-    if(unlikely(!p->fds_dirname)) {
-        char dirname[FILENAME_MAX+1];
-        snprintfz(dirname, FILENAME_MAX, "%s/proc/%d/fd", netdata_configured_host_prefix, p->pid);
-        p->fds_dirname = strdupz(dirname);
-    }
-
-    DIR *fds = opendir(p->fds_dirname);
-    if(unlikely(!fds)) return 0;
-
-    struct dirent *de;
-    char fdname[FILENAME_MAX + 1];
-    char linkname[FILENAME_MAX + 1];
-
-    // we make all pid fds negative, so that
-    // we can detect unused file descriptors
-    // at the end, to free them
-    make_all_pid_fds_negative(p);
-
-    while((de = readdir(fds))) {
-        // we need only files with numeric names
-
-        if(unlikely(de->d_name[0] < '0' || de->d_name[0] > '9'))
-            continue;
-
-        // get its number
-        int fdid = (int) str2l(de->d_name);
-        if(unlikely(fdid < 0)) continue;
-
-        // check if the fds array is small
-        if(unlikely(fdid >= p->fds_size)) {
-            // it is small, extend it
-
-            if(unlikely(debug))
-                fprintf(stderr
-                        , "apps.plugin: extending fd memory slots for %s from %d to %d\n"
-                        , p->comm
-                        , p->fds_size
-                        , fdid + MAX_SPARE_FDS
-                );
-
-            p->fds = reallocz(p->fds, (fdid + MAX_SPARE_FDS) * sizeof(int));
-
-            // and initialize it
-            zero_pid_fds(p, p->fds_size, (fdid + MAX_SPARE_FDS) - p->fds_size);
-            p->fds_size = fdid + MAX_SPARE_FDS;
-        }
-
-        if(unlikely(p->fds[fdid] == 0)) {
-            // we don't know this fd, get it
-
-            sprintf(fdname, "%s/proc/%d/fd/%s", netdata_configured_host_prefix, p->pid, de->d_name);
-            ssize_t l = readlink(fdname, linkname, FILENAME_MAX);
-            if(unlikely(l == -1)) {
-                if(debug || (p->target && p->target->debug)) {
-                    if(debug || (p->target && p->target->debug))
-                        error("Cannot read link %s", fdname);
-                }
-                continue;
-            }
-            else
-                linkname[l] = '\0';
-
-            file_counter++;
-
-            // if another process already has this, we will get
-            // the same id
-            p->fds[fdid] = file_descriptor_find_or_add(linkname);
-        }
-
-            // else make it positive again, we need it
-            // of course, the actual file may have changed, but we don't care so much
-            // FIXME: we could compare the inode as returned by readdir dirent structure
-            // UPDATE: no we cannot use inodes - under /proc inodes don't change when the link is changed
-
-        else
-            p->fds[fdid] = -p->fds[fdid];
-    }
-
-    closedir(fds);
-#endif
-    cleanup_negative_pid_fds(p);
-
-    return 1;
-}
-
-// ----------------------------------------------------------------------------
-
-static inline int print_process_and_parents(struct pid_stat *p, usec_t time) {
-    char *prefix = "\\_ ";
-    int indent = 0;
-
-    if(p->parent)
-        indent = print_process_and_parents(p->parent, p->stat_collected_usec);
-    else
-        prefix = " > ";
-
-    char buffer[indent + 1];
-    int i;
-
-    for(i = 0; i < indent ;i++) buffer[i] = ' ';
-    buffer[i] = '\0';
-
-    fprintf(stderr, "  %s %s%s (%d %s %llu"
-        , buffer
-        , prefix
-        , p->comm
-        , p->pid
-        , p->updated?"running":"exited"
-        , p->stat_collected_usec - time
-        );
-
-    if(p->utime)   fprintf(stderr, " utime=" KERNEL_UINT_FORMAT,   p->utime);
-    if(p->stime)   fprintf(stderr, " stime=" KERNEL_UINT_FORMAT,   p->stime);
-    if(p->gtime)   fprintf(stderr, " gtime=" KERNEL_UINT_FORMAT,   p->gtime);
-    if(p->cutime)  fprintf(stderr, " cutime=" KERNEL_UINT_FORMAT,  p->cutime);
-    if(p->cstime)  fprintf(stderr, " cstime=" KERNEL_UINT_FORMAT,  p->cstime);
-    if(p->cgtime)  fprintf(stderr, " cgtime=" KERNEL_UINT_FORMAT,  p->cgtime);
-    if(p->minflt)  fprintf(stderr, " minflt=" KERNEL_UINT_FORMAT,  p->minflt);
-    if(p->cminflt) fprintf(stderr, " cminflt=" KERNEL_UINT_FORMAT, p->cminflt);
-    if(p->majflt)  fprintf(stderr, " majflt=" KERNEL_UINT_FORMAT,  p->majflt);
-    if(p->cmajflt) fprintf(stderr, " cmajflt=" KERNEL_UINT_FORMAT, p->cmajflt);
-    fprintf(stderr, ")\n");
-
-    return indent + 1;
-}
-
-static inline void print_process_tree(struct pid_stat *p, char *msg) {
-    fprintf(stderr, "%s: process %s (%d, %s) with parents:\n", msg, p->comm, p->pid, p->updated?"running":"exited");
-    print_process_and_parents(p, p->stat_collected_usec);
-}
-
-static inline void find_lost_child_debug(struct pid_stat *pe, kernel_uint_t lost, int type) {
-    int found = 0;
-    struct pid_stat *p = NULL;
-
-    for(p = root_of_pids; p ; p = p->next) {
-        if(p == pe) continue;
-
-        switch(type) {
-            case 1:
-                if(p->cminflt > lost) {
-                    fprintf(stderr, " > process %d (%s) could use the lost exited child minflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
-                    found++;
-                }
-                break;
-
-            case 2:
-                if(p->cmajflt > lost) {
-                    fprintf(stderr, " > process %d (%s) could use the lost exited child majflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
-                    found++;
-                }
-                break;
-
-            case 3:
-                if(p->cutime > lost) {
-                    fprintf(stderr, " > process %d (%s) could use the lost exited child utime " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
-                    found++;
-                }
-                break;
-
-            case 4:
-                if(p->cstime > lost) {
-                    fprintf(stderr, " > process %d (%s) could use the lost exited child stime " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
-                    found++;
-                }
-                break;
-
-            case 5:
-                if(p->cgtime > lost) {
-                    fprintf(stderr, " > process %d (%s) could use the lost exited child gtime " KERNEL_UINT_FORMAT " of process %d (%s)\n", p->pid, p->comm, lost, pe->pid, pe->comm);
-                    found++;
-                }
-                break;
-        }
-    }
-
-    if(!found) {
-        switch(type) {
-            case 1:
-                fprintf(stderr, " > cannot find any process to use the lost exited child minflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
-                break;
-
-            case 2:
-                fprintf(stderr, " > cannot find any process to use the lost exited child majflt " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
-                break;
-
-            case 3:
-                fprintf(stderr, " > cannot find any process to use the lost exited child utime " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
-                break;
-
-            case 4:
-                fprintf(stderr, " > cannot find any process to use the lost exited child stime " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
-                break;
-
-            case 5:
-                fprintf(stderr, " > cannot find any process to use the lost exited child gtime " KERNEL_UINT_FORMAT " of process %d (%s)\n", lost, pe->pid, pe->comm);
-                break;
-        }
-    }
-}
-
-static inline kernel_uint_t remove_exited_child_from_parent(kernel_uint_t *field, kernel_uint_t *pfield) {
-    kernel_uint_t absorbed = 0;
-
-    if(*field > *pfield) {
-        absorbed += *pfield;
-        *field -= *pfield;
-        *pfield = 0;
-    }
-    else {
-        absorbed += *field;
-        *pfield -= *field;
-        *field = 0;
-    }
-
-    return absorbed;
-}
-
-static inline void process_exited_processes() {
-    struct pid_stat *p;
-
-    for(p = root_of_pids; p ; p = p->next) {
-        if(p->updated || !p->stat_collected_usec)
-            continue;
-
-        kernel_uint_t utime  = (p->utime_raw + p->cutime_raw)   * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-        kernel_uint_t stime  = (p->stime_raw + p->cstime_raw)   * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-        kernel_uint_t gtime  = (p->gtime_raw + p->cgtime_raw)   * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-        kernel_uint_t minflt = (p->minflt_raw + p->cminflt_raw) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-        kernel_uint_t majflt = (p->majflt_raw + p->cmajflt_raw) * (USEC_PER_SEC * RATES_DETAIL) / (p->stat_collected_usec - p->last_stat_collected_usec);
-
-        if(utime + stime + gtime + minflt + majflt == 0)
-            continue;
-
-        if(unlikely(debug)) {
-            fprintf(stderr, "Absorb %s (%d %s total resources: utime=" KERNEL_UINT_FORMAT " stime=" KERNEL_UINT_FORMAT " gtime=" KERNEL_UINT_FORMAT " minflt=" KERNEL_UINT_FORMAT " majflt=" KERNEL_UINT_FORMAT ")\n"
-                , p->comm
-                , p->pid
-                , p->updated?"running":"exited"
-                , utime
-                , stime
-                , gtime
-                , minflt
-                , majflt
-                );
-            print_process_tree(p, "Searching parents");
-        }
-
-        struct pid_stat *pp;
-        for(pp = p->parent; pp ; pp = pp->parent) {
-            if(!pp->updated) continue;
-
-            kernel_uint_t absorbed;
-            absorbed = remove_exited_child_from_parent(&utime,  &pp->cutime);
-            if(unlikely(debug && absorbed))
-                fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " utime (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, utime);
-
-            absorbed = remove_exited_child_from_parent(&stime,  &pp->cstime);
-            if(unlikely(debug && absorbed))
-                fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " stime (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, stime);
-
-            absorbed = remove_exited_child_from_parent(&gtime,  &pp->cgtime);
-            if(unlikely(debug && absorbed))
-                fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " gtime (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, gtime);
-
-            absorbed = remove_exited_child_from_parent(&minflt, &pp->cminflt);
-            if(unlikely(debug && absorbed))
-                fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " minflt (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, minflt);
-
-            absorbed = remove_exited_child_from_parent(&majflt, &pp->cmajflt);
-            if(unlikely(debug && absorbed))
-                fprintf(stderr, " > process %s (%d %s) absorbed " KERNEL_UINT_FORMAT " majflt (remaining: " KERNEL_UINT_FORMAT ")\n", pp->comm, pp->pid, pp->updated?"running":"exited", absorbed, majflt);
-        }
-
-        if(unlikely(utime + stime + gtime + minflt + majflt > 0)) {
-            if(unlikely(debug)) {
-                if(utime)  find_lost_child_debug(p, utime,  3);
-                if(stime)  find_lost_child_debug(p, stime,  4);
-                if(gtime)  find_lost_child_debug(p, gtime,  5);
-                if(minflt) find_lost_child_debug(p, minflt, 1);
-                if(majflt) find_lost_child_debug(p, majflt, 2);
-            }
-
-            p->keep = 1;
-
-            if(unlikely(debug))
-                fprintf(stderr, " > remaining resources - KEEP - for another loop: %s (%d %s total resources: utime=" KERNEL_UINT_FORMAT " stime=" KERNEL_UINT_FORMAT " gtime=" KERNEL_UINT_FORMAT " minflt=" KERNEL_UINT_FORMAT " majflt=" KERNEL_UINT_FORMAT ")\n"
-                    , p->comm
-                    , p->pid
-                    , p->updated?"running":"exited"
-                    , utime
-                    , stime
-                    , gtime
-                    , minflt
-                    , majflt
-                    );
-
-            for(pp = p->parent; pp ; pp = pp->parent) {
-                if(pp->updated) break;
-                pp->keep = 1;
-
-                if(unlikely(debug))
-                    fprintf(stderr, " > - KEEP - parent for another loop: %s (%d %s)\n"
-                        , pp->comm
-                        , pp->pid
-                        , pp->updated?"running":"exited"
-                        );
-            }
-
-            p->utime_raw   = utime  * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
-            p->stime_raw   = stime  * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
-            p->gtime_raw   = gtime  * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
-            p->minflt_raw  = minflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
-            p->majflt_raw  = majflt * (p->stat_collected_usec - p->last_stat_collected_usec) / (USEC_PER_SEC * RATES_DETAIL);
-            p->cutime_raw = p->cstime_raw = p->cgtime_raw = p->cminflt_raw = p->cmajflt_raw = 0;
-
-            if(unlikely(debug))
-                fprintf(stderr, "\n");
-        }
-        else if(unlikely(debug)) {
-            fprintf(stderr, " > totally absorbed - DONE - %s (%d %s)\n"
-                , p->comm
-                , p->pid
-                , p->updated?"running":"exited"
-                );
-        }
-    }
-}
-
-static inline void link_all_processes_to_their_parents(void) {
-    struct pid_stat *p, *pp;
-
-    // link all children to their parents
-    // and update children count on parents
-    for(p = root_of_pids; p ; p = p->next) {
-        // for each process found
-
-        p->sortlist = 0;
-        p->parent = NULL;
-
-        if(unlikely(!p->ppid)) {
-            p->parent = NULL;
-            continue;
-        }
-
-        pp = all_pids[p->ppid];
-        if(likely(pp)) {
-            p->parent = pp;
-            pp->children_count++;
-
-            if(unlikely(debug || (p->target && p->target->debug)))
-                fprintf(stderr, "apps.plugin: \tchild %d (%s, %s) on target '%s' has parent %d (%s, %s). Parent: utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", gtime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", cutime=" KERNEL_UINT_FORMAT ", cstime=" KERNEL_UINT_FORMAT ", cgtime=" KERNEL_UINT_FORMAT ", cminflt=" KERNEL_UINT_FORMAT ", cmajflt=" KERNEL_UINT_FORMAT "\n", p->pid, p->comm, p->updated?"running":"exited", (p->target)?p->target->name:"UNSET", pp->pid, pp->comm, pp->updated?"running":"exited", pp->utime, pp->stime, pp->gtime, pp->minflt, pp->majflt, pp->cutime, pp->cstime, pp->cgtime, pp->cminflt, pp->cmajflt);
-        }
-        else {
-            p->parent = NULL;
-            error("pid %d %s states parent %d, but the later does not exist.", p->pid, p->comm, p->ppid);
-        }
-    }
-}
-
-// ----------------------------------------------------------------------------
-
-// 1. read all files in /proc
-// 2. for each numeric directory:
-//    i.   read /proc/pid/stat
-//    ii.  read /proc/pid/status
-//    iii. read /proc/pid/io (requires root access)
-//    iii. read the entries in directory /proc/pid/fd (requires root access)
-//         for each entry:
-//         a. find or create a struct file_descriptor
-//         b. cleanup any old/unused file_descriptors
-
-// after all these, some pids may be linked to targets, while others may not
-
-// in case of errors, only 1 every 1000 errors is printed
-// to avoid filling up all disk space
-// if debug is enabled, all errors are printed
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-static int compar_pid(const void *pid1, const void *pid2) {
-
-    struct pid_stat *p1 = all_pids[*((pid_t *)pid1)];
-    struct pid_stat *p2 = all_pids[*((pid_t *)pid2)];
-
-    if(p1->sortlist > p2->sortlist)
-        return -1;
-    else
-        return 1;
-}
-#endif
-
-static inline int collect_data_for_pid(pid_t pid, void *ptr) {
-    if(unlikely(pid < 0 || pid > pid_max)) {
-        error("Invalid pid %d read (expected %d to %d). Ignoring process.", pid, 0, pid_max);
-        return 0;
-    }
-
-    struct pid_stat *p = get_pid_entry(pid);
-    if(unlikely(!p || p->read)) return 0;
-    p->read = 1;
-
-    // fprintf(stderr, "Reading process %d (%s), sortlist %d\n", p->pid, p->comm, p->sortlist);
-
-    // --------------------------------------------------------------------
-    // /proc/<pid>/stat
-
-    if(unlikely(!managed_log(p, PID_LOG_STAT, read_proc_pid_stat(p, ptr))))
-        // there is no reason to proceed if we cannot get its status
-        return 0;
-
-    // check its parent pid
-    if(unlikely(p->ppid < 0 || p->ppid > pid_max)) {
-        error("Pid %d (command '%s') states invalid parent pid %d. Using 0.", pid, p->comm, p->ppid);
-        p->ppid = 0;
-    }
-
-    // --------------------------------------------------------------------
-    // /proc/<pid>/io
-
-    managed_log(p, PID_LOG_IO, read_proc_pid_io(p, ptr));
-
-    // --------------------------------------------------------------------
-    // /proc/<pid>/status
-
-    if(unlikely(!managed_log(p, PID_LOG_STATUS, read_proc_pid_status(p, ptr))))
-        // there is no reason to proceed if we cannot get its status
-        return 0;
-
-    // --------------------------------------------------------------------
-    // /proc/<pid>/fd
-
-    if(enable_file_charts)
-            managed_log(p, PID_LOG_FDS, read_pid_file_descriptors(p, ptr));
-
-    // --------------------------------------------------------------------
-    // done!
-
-    if(unlikely(debug && include_exited_childs && all_pids_count && p->ppid && all_pids[p->ppid] && !all_pids[p->ppid]->read))
-        fprintf(stderr, "Read process %d (%s) sortlisted %d, but its parent %d (%s) sortlisted %d, is not read\n", p->pid, p->comm, p->sortlist, all_pids[p->ppid]->pid, all_pids[p->ppid]->comm, all_pids[p->ppid]->sortlist);
-
-    // mark it as updated
-    p->updated = 1;
-    p->keep = 0;
-    p->keeploops = 0;
-
-    return 1;
-}
-
-static int collect_data_for_all_processes(void) {
-    struct pid_stat *p = NULL;
-
-#ifdef __FreeBSD__
-    int i, procnum;
-
-    static size_t procbase_size = 0;
-    static struct kinfo_proc *procbase = NULL;
-
-    size_t new_procbase_size;
-
-    int mib[3] = { CTL_KERN, KERN_PROC, KERN_PROC_PROC };
-    if (unlikely(sysctl(mib, 3, NULL, &new_procbase_size, NULL, 0))) {
-        error("sysctl error: Can't get processes data size");
-        return 0;
-    }
-
-    // give it some air for processes that may be started
-    // during this little time.
-    new_procbase_size += 100 * sizeof(struct kinfo_proc);
-
-    // increase the buffer if needed
-    if(new_procbase_size > procbase_size) {
-        procbase_size = new_procbase_size;
-        procbase = reallocz(procbase, procbase_size);
-    }
-
-    // sysctl() gets from new_procbase_size the buffer size
-    // and also returns to it the amount of data filled in
-    new_procbase_size = procbase_size;
-
-    // get the processes from the system
-    if (unlikely(sysctl(mib, 3, procbase, &new_procbase_size, NULL, 0))) {
-        error("sysctl error: Can't get processes data");
-        return 0;
-    }
-
-    // based on the amount of data filled in
-    // calculate the number of processes we got
-    procnum = new_procbase_size / sizeof(struct kinfo_proc);
-
-#endif
-
-    if(all_pids_count) {
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-        size_t slc = 0;
-#endif
-        for(p = root_of_pids; p ; p = p->next) {
-            p->read             = 0; // mark it as not read, so that collect_data_for_pid() will read it
-            p->updated          = 0;
-            p->merged           = 0;
-            p->children_count   = 0;
-            p->parent           = NULL;
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-            all_pids_sortlist[slc++] = p->pid;
-#endif
-        }
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-        if(unlikely(slc != all_pids_count)) {
-            error("Internal error: I was thinking I had %zu processes in my arrays, but it seems there are %zu.", all_pids_count, slc);
-            all_pids_count = slc;
-        }
-
-        if(include_exited_childs) {
-            // Read parents before childs
-            // This is needed to prevent a situation where
-            // a child is found running, but until we read
-            // its parent, it has exited and its parent
-            // has accumulated its resources.
-
-            qsort((void *)all_pids_sortlist, (size_t)all_pids_count, sizeof(pid_t), compar_pid);
-
-            // we forward read all running processes
-            // collect_data_for_pid() is smart enough,
-            // not to read the same pid twice per iteration
-            for(slc = 0; slc < all_pids_count; slc++)
-                collect_data_for_pid(all_pids_sortlist[slc], NULL);
-        }
-#endif
-    }
-
-#ifdef __FreeBSD__
-    for (i = 0 ; i < procnum ; ++i) {
-        pid_t pid = procbase[i].ki_pid;
-        collect_data_for_pid(pid, &procbase[i]);
-    }
-#else
-    char dirname[FILENAME_MAX + 1];
-
-    snprintfz(dirname, FILENAME_MAX, "%s/proc", netdata_configured_host_prefix);
-    DIR *dir = opendir(dirname);
-    if(!dir) return 0;
-
-    struct dirent *de = NULL;
-
-    while((de = readdir(dir))) {
-        char *endptr = de->d_name;
-
-        if(unlikely(de->d_type != DT_DIR || de->d_name[0] < '0' || de->d_name[0] > '9'))
-            continue;
-
-        pid_t pid = (pid_t) strtoul(de->d_name, &endptr, 10);
-
-        // make sure we read a valid number
-        if(unlikely(endptr == de->d_name || *endptr != '\0'))
-            continue;
-
-        collect_data_for_pid(pid, NULL);
-    }
-    closedir(dir);
-#endif
-
-    if(!all_pids_count)
-        return 0;
-
-    // we need /proc/stat to normalize the cpu consumption of the exited childs
-    read_proc_stat();
-
-    // build the process tree
-    link_all_processes_to_their_parents();
-
-    // normally this is done
-    // however we may have processes exited while we collected values
-    // so let's find the exited ones
-    // we do this by collecting the ownership of process
-    // if we manage to get the ownership, the process still runs
-    process_exited_processes();
-
-    return 1;
-}
-
-// ----------------------------------------------------------------------------
-// update statistics on the targets
-
-// 1. link all childs to their parents
-// 2. go from bottom to top, marking as merged all childs to their parents
-//    this step links all parents without a target to the child target, if any
-// 3. link all top level processes (the ones not merged) to the default target
-// 4. go from top to bottom, linking all childs without a target, to their parent target
-//    after this step, all processes have a target
-// [5. for each killed pid (updated = 0), remove its usage from its target]
-// 6. zero all apps_groups_targets
-// 7. concentrate all values on the apps_groups_targets
-// 8. remove all killed processes
-// 9. find the unique file count for each target
-// check: update_apps_groups_statistics()
-
-static void cleanup_exited_pids(void) {
-    int c;
-    struct pid_stat *p = NULL;
-
-    for(p = root_of_pids; p ;) {
-        if(!p->updated && (!p->keep || p->keeploops > 0)) {
-            if(unlikely(debug && (p->keep || p->keeploops)))
-                fprintf(stderr, " > CLEANUP cannot keep exited process %d (%s) anymore - removing it.\n", p->pid, p->comm);
-
-            for(c = 0; c < p->fds_size; c++)
-                if(p->fds[c] > 0) {
-                    file_descriptor_not_used(p->fds[c]);
-                    p->fds[c] = 0;
-                }
-
-            pid_t r = p->pid;
-            p = p->next;
-            del_pid_entry(r);
-        }
-        else {
-            if(unlikely(p->keep)) p->keeploops++;
-            p->keep = 0;
-            p = p->next;
-        }
-    }
-}
-
-static void apply_apps_groups_targets_inheritance(void) {
-    struct pid_stat *p = NULL;
-
-    // children that do not have a target
-    // inherit their target from their parent
-    int found = 1, loops = 0;
-    while(found) {
-        if(unlikely(debug)) loops++;
-        found = 0;
-        for(p = root_of_pids; p ; p = p->next) {
-            // if this process does not have a target
-            // and it has a parent
-            // and its parent has a target
-            // then, set the parent's target to this process
-            if(unlikely(!p->target && p->parent && p->parent->target)) {
-                p->target = p->parent->target;
-                found++;
-
-                if(debug || (p->target && p->target->debug))
-                    fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s).\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
-            }
-        }
-    }
-
-    // find all the procs with 0 childs and merge them to their parents
-    // repeat, until nothing more can be done.
-    int sortlist = 1;
-    found = 1;
-    while(found) {
-        if(unlikely(debug)) loops++;
-        found = 0;
-
-        for(p = root_of_pids; p ; p = p->next) {
-            if(unlikely(!p->sortlist && !p->children_count))
-                p->sortlist = sortlist++;
-
-            if(unlikely(
-                    !p->children_count            // if this process does not have any children
-                    && !p->merged                 // and is not already merged
-                    && p->parent                  // and has a parent
-                    && p->parent->children_count  // and its parent has children
-                                                  // and the target of this process and its parent is the same,
-                                                  // or the parent does not have a target
-                    && (p->target == p->parent->target || !p->parent->target)
-                    && p->ppid != INIT_PID        // and its parent is not init
-                )) {
-                // mark it as merged
-                p->parent->children_count--;
-                p->merged = 1;
-
-                // the parent inherits the child's target, if it does not have a target itself
-                if(unlikely(p->target && !p->parent->target)) {
-                    p->parent->target = p->target;
-
-                    if(debug || (p->target && p->target->debug))
-                        fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its child %d (%s).\n", p->target->name, p->parent->pid, p->parent->comm, p->pid, p->comm);
-                }
-
-                found++;
-            }
-        }
-
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin: TARGET INHERITANCE: merged %d processes\n", found);
-    }
-
-    // init goes always to default target
-    if(all_pids[INIT_PID])
-        all_pids[INIT_PID]->target = apps_groups_default_target;
-
-    // pid 0 goes always to default target
-    if(all_pids[0])
-        all_pids[0]->target = apps_groups_default_target;
-
-    // give a default target on all top level processes
-    if(unlikely(debug)) loops++;
-    for(p = root_of_pids; p ; p = p->next) {
-        // if the process is not merged itself
-        // then is is a top level process
-        if(unlikely(!p->merged && !p->target))
-            p->target = apps_groups_default_target;
-
-        // make sure all processes have a sortlist
-        if(unlikely(!p->sortlist))
-            p->sortlist = sortlist++;
-    }
-
-    if(all_pids[1])
-        all_pids[1]->sortlist = sortlist++;
-
-    // give a target to all merged child processes
-    found = 1;
-    while(found) {
-        if(unlikely(debug)) loops++;
-        found = 0;
-        for(p = root_of_pids; p ; p = p->next) {
-            if(unlikely(!p->target && p->merged && p->parent && p->parent->target)) {
-                p->target = p->parent->target;
-                found++;
-
-                if(debug || (p->target && p->target->debug))
-                    fprintf(stderr, "apps.plugin: \t\tTARGET INHERITANCE: %s is inherited by %d (%s) from its parent %d (%s) at phase 2.\n", p->target->name, p->pid, p->comm, p->parent->pid, p->parent->comm);
-            }
-        }
-    }
-
-    if(unlikely(debug))
-        fprintf(stderr, "apps.plugin: apply_apps_groups_targets_inheritance() made %d loops on the process tree\n", loops);
-}
-
-static size_t zero_all_targets(struct target *root) {
-    struct target *w;
-    size_t count = 0;
-
-    for (w = root; w ; w = w->next) {
-        count++;
-
-        w->minflt = 0;
-        w->majflt = 0;
-        w->utime = 0;
-        w->stime = 0;
-        w->gtime = 0;
-        w->cminflt = 0;
-        w->cmajflt = 0;
-        w->cutime = 0;
-        w->cstime = 0;
-        w->cgtime = 0;
-        w->num_threads = 0;
-        // w->rss = 0;
-        w->processes = 0;
-
-        w->status_vmsize = 0;
-        w->status_vmrss = 0;
-        w->status_vmshared = 0;
-        w->status_rssfile = 0;
-        w->status_rssshmem = 0;
-        w->status_vmswap = 0;
-
-        w->io_logical_bytes_read = 0;
-        w->io_logical_bytes_written = 0;
-        // w->io_read_calls = 0;
-        // w->io_write_calls = 0;
-        w->io_storage_bytes_read = 0;
-        w->io_storage_bytes_written = 0;
-        // w->io_cancelled_write_bytes = 0;
-
-        // zero file counters
-        if(w->target_fds) {
-            memset(w->target_fds, 0, sizeof(int) * w->target_fds_size);
-            w->openfiles = 0;
-            w->openpipes = 0;
-            w->opensockets = 0;
-            w->openinotifies = 0;
-            w->openeventfds = 0;
-            w->opentimerfds = 0;
-            w->opensignalfds = 0;
-            w->openeventpolls = 0;
-            w->openother = 0;
-        }
-    }
-
-    return count;
-}
-
-static inline void reallocate_target_fds(struct target *w) {
-    if(unlikely(!w))
-        return;
-
-    if(unlikely(!w->target_fds || w->target_fds_size < all_files_size)) {
-        w->target_fds = reallocz(w->target_fds, sizeof(int) * all_files_size);
-        memset(&w->target_fds[w->target_fds_size], 0, sizeof(int) * (all_files_size - w->target_fds_size));
-        w->target_fds_size = all_files_size;
-    }
-}
-
-static inline void aggregate_fd_on_target(int fd, struct target *w) {
-    if(unlikely(!w))
-        return;
-
-    if(unlikely(w->target_fds[fd])) {
-        // it is already aggregated
-        // just increase its usage counter
-        w->target_fds[fd]++;
-        return;
-    }
-
-    // increase its usage counter
-    // so that we will not add it again
-    w->target_fds[fd]++;
-
-    switch(all_files[fd].type) {
-        case FILETYPE_FILE:
-            w->openfiles++;
-            break;
-
-        case FILETYPE_PIPE:
-            w->openpipes++;
-            break;
-
-        case FILETYPE_SOCKET:
-            w->opensockets++;
-            break;
-
-        case FILETYPE_INOTIFY:
-            w->openinotifies++;
-            break;
-
-        case FILETYPE_EVENTFD:
-            w->openeventfds++;
-            break;
-
-        case FILETYPE_TIMERFD:
-            w->opentimerfds++;
-            break;
-
-        case FILETYPE_SIGNALFD:
-            w->opensignalfds++;
-            break;
-
-        case FILETYPE_EVENTPOLL:
-            w->openeventpolls++;
-            break;
-
-        case FILETYPE_OTHER:
-            w->openother++;
-            break;
-    }
-}
-
-static inline void aggregate_pid_fds_on_targets(struct pid_stat *p) {
-
-    if(unlikely(!p->updated)) {
-        // the process is not running
-        return;
-    }
-
-    struct target *w = p->target, *u = p->user_target, *g = p->group_target;
-
-    reallocate_target_fds(w);
-    reallocate_target_fds(u);
-    reallocate_target_fds(g);
-
-    int c, size = p->fds_size, *fds = p->fds;
-    for(c = 0; c < size ;c++) {
-        int fd = fds[c];
-
-        if(likely(fd <= 0 || fd >= all_files_size))
-            continue;
-
-        aggregate_fd_on_target(fd, w);
-        aggregate_fd_on_target(fd, u);
-        aggregate_fd_on_target(fd, g);
-    }
-}
-
-static inline void aggregate_pid_on_target(struct target *w, struct pid_stat *p, struct target *o) {
-    (void)o;
-
-    if(unlikely(!p->updated)) {
-        // the process is not running
-        return;
-    }
-
-    if(unlikely(!w)) {
-        error("pid %d %s was left without a target!", p->pid, p->comm);
-        return;
-    }
-
-    w->cutime  += p->cutime;
-    w->cstime  += p->cstime;
-    w->cgtime  += p->cgtime;
-    w->cminflt += p->cminflt;
-    w->cmajflt += p->cmajflt;
-
-    w->utime  += p->utime;
-    w->stime  += p->stime;
-    w->gtime  += p->gtime;
-    w->minflt += p->minflt;
-    w->majflt += p->majflt;
-
-    // w->rss += p->rss;
-
-    w->status_vmsize   += p->status_vmsize;
-    w->status_vmrss    += p->status_vmrss;
-    w->status_vmshared += p->status_vmshared;
-    w->status_rssfile  += p->status_rssfile;
-    w->status_rssshmem += p->status_rssshmem;
-    w->status_vmswap   += p->status_vmswap;
-
-    w->io_logical_bytes_read    += p->io_logical_bytes_read;
-    w->io_logical_bytes_written += p->io_logical_bytes_written;
-    // w->io_read_calls            += p->io_read_calls;
-    // w->io_write_calls           += p->io_write_calls;
-    w->io_storage_bytes_read    += p->io_storage_bytes_read;
-    w->io_storage_bytes_written += p->io_storage_bytes_written;
-    // w->io_cancelled_write_bytes += p->io_cancelled_write_bytes;
-
-    w->processes++;
-    w->num_threads += p->num_threads;
-
-    if(unlikely(debug || w->debug))
-        fprintf(stderr, "apps.plugin: \taggregating '%s' pid %d on target '%s' utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", gtime=" KERNEL_UINT_FORMAT ", cutime=" KERNEL_UINT_FORMAT ", cstime=" KERNEL_UINT_FORMAT ", cgtime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", cminflt=" KERNEL_UINT_FORMAT ", cmajflt=" KERNEL_UINT_FORMAT "\n", p->comm, p->pid, w->name, p->utime, p->stime, p->gtime, p->cutime, p->cstime, p->cgtime, p->minflt, p->majflt, p->cminflt, p->cmajflt);
-}
-
-static void calculate_netdata_statistics(void) {
-
-    apply_apps_groups_targets_inheritance();
-
-    zero_all_targets(users_root_target);
-    zero_all_targets(groups_root_target);
-    apps_groups_targets_count = zero_all_targets(apps_groups_root_target);
-
-    // this has to be done, before the cleanup
-    struct pid_stat *p = NULL;
-    struct target *w = NULL, *o = NULL;
-
-    // concentrate everything on the targets
-    for(p = root_of_pids; p ; p = p->next) {
-
-        // --------------------------------------------------------------------
-        // apps_groups target
-
-        aggregate_pid_on_target(p->target, p, NULL);
-
-
-        // --------------------------------------------------------------------
-        // user target
-
-        o = p->user_target;
-        if(likely(p->user_target && p->user_target->uid == p->uid))
-            w = p->user_target;
-        else {
-            if(unlikely(debug && p->user_target))
-                    fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched user from %u (%s) to %u.\n", p->pid, p->comm, p->user_target->uid, p->user_target->name, p->uid);
-
-            w = p->user_target = get_users_target(p->uid);
-        }
-
-        aggregate_pid_on_target(w, p, o);
-
-
-        // --------------------------------------------------------------------
-        // user group target
-
-        o = p->group_target;
-        if(likely(p->group_target && p->group_target->gid == p->gid))
-            w = p->group_target;
-        else {
-            if(unlikely(debug && p->group_target))
-                    fprintf(stderr, "apps.plugin: \t\tpid %d (%s) switched group from %u (%s) to %u.\n", p->pid, p->comm, p->group_target->gid, p->group_target->name, p->gid);
-
-            w = p->group_target = get_groups_target(p->gid);
-        }
-
-        aggregate_pid_on_target(w, p, o);
-
-
-        // --------------------------------------------------------------------
-        // aggregate all file descriptors
-
-        if(enable_file_charts)
-            aggregate_pid_fds_on_targets(p);
-    }
-
-    cleanup_exited_pids();
-}
-
-// ----------------------------------------------------------------------------
-// update chart dimensions
-
-int print_calculated_number(char *str, calculated_number value) { (void)str; (void)value; return 0; }
-
-static inline void send_BEGIN(const char *type, const char *id, usec_t usec) {
-    fprintf(stdout, "BEGIN %s.%s %llu\n", type, id, usec);
-}
-
-static inline void send_SET(const char *name, kernel_uint_t value) {
-    fprintf(stdout, "SET %s = " KERNEL_UINT_FORMAT "\n", name, value);
-}
-
-static inline void send_END(void) {
-    fprintf(stdout, "END\n");
-}
-
-void send_resource_usage_to_netdata(usec_t dt) {
-    static struct timeval last = { 0, 0 };
-    static struct rusage me_last;
-
-    struct timeval now;
-    struct rusage me;
-
-    usec_t cpuuser;
-    usec_t cpusyst;
-
-    if(!last.tv_sec) {
-        now_monotonic_timeval(&last);
-        getrusage(RUSAGE_SELF, &me_last);
-
-        cpuuser = 0;
-        cpusyst = 0;
-    }
-    else {
-        now_monotonic_timeval(&now);
-        getrusage(RUSAGE_SELF, &me);
-
-        cpuuser = me.ru_utime.tv_sec * USEC_PER_SEC + me.ru_utime.tv_usec;
-        cpusyst = me.ru_stime.tv_sec * USEC_PER_SEC + me.ru_stime.tv_usec;
-
-        memmove(&last, &now, sizeof(struct timeval));
-        memmove(&me_last, &me, sizeof(struct rusage));
-    }
-
-    static char created_charts = 0;
-    if(unlikely(!created_charts)) {
-        created_charts = 1;
-
-        fprintf(stdout,
-                "CHART netdata.apps_cpu '' 'Apps Plugin CPU' 'milliseconds/s' apps.plugin netdata.apps_cpu stacked 140000 %1$d\n"
-                "DIMENSION user '' incremental 1 1000\n"
-                "DIMENSION system '' incremental 1 1000\n"
-                "CHART netdata.apps_sizes '' 'Apps Plugin Files' 'files/s' apps.plugin netdata.apps_sizes line 140001 %1$d\n"
-                "DIMENSION calls '' incremental 1 1\n"
-                "DIMENSION files '' incremental 1 1\n"
-                "DIMENSION pids '' absolute 1 1\n"
-                "DIMENSION fds '' absolute 1 1\n"
-                "DIMENSION targets '' absolute 1 1\n"
-                "DIMENSION new_pids 'new pids' incremental 1 1\n"
-                , update_every
-        );
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-        fprintf(stdout,
-                "CHART netdata.apps_fix '' 'Apps Plugin Normalization Ratios' 'percentage' apps.plugin netdata.apps_fix line 140002 %1$d\n"
-                "DIMENSION utime '' absolute 1 %2$llu\n"
-                "DIMENSION stime '' absolute 1 %2$llu\n"
-                "DIMENSION gtime '' absolute 1 %2$llu\n"
-                "DIMENSION minflt '' absolute 1 %2$llu\n"
-                "DIMENSION majflt '' absolute 1 %2$llu\n"
-                , update_every
-                , RATES_DETAIL
-        );
-
-        if(include_exited_childs)
-            fprintf(stdout,
-                    "CHART netdata.apps_children_fix '' 'Apps Plugin Exited Children Normalization Ratios' 'percentage' apps.plugin netdata.apps_children_fix line 140003 %1$d\n"
-                    "DIMENSION cutime '' absolute 1 %2$llu\n"
-                    "DIMENSION cstime '' absolute 1 %2$llu\n"
-                    "DIMENSION cgtime '' absolute 1 %2$llu\n"
-                    "DIMENSION cminflt '' absolute 1 %2$llu\n"
-                    "DIMENSION cmajflt '' absolute 1 %2$llu\n"
-                    , update_every
-                    , RATES_DETAIL
-            );
-#endif
-
-    }
-
-    fprintf(stdout,
-        "BEGIN netdata.apps_cpu %llu\n"
-        "SET user = %llu\n"
-        "SET system = %llu\n"
-        "END\n"
-        "BEGIN netdata.apps_sizes %llu\n"
-        "SET calls = %zu\n"
-        "SET files = %zu\n"
-        "SET pids = %zu\n"
-        "SET fds = %d\n"
-        "SET targets = %zu\n"
-        "SET new_pids = %zu\n"
-        "END\n"
-        , dt
-        , cpuuser
-        , cpusyst
-        , dt
-        , calls_counter
-        , file_counter
-        , all_pids_count
-        , all_files_len
-        , apps_groups_targets_count
-        , targets_assignment_counter
-        );
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-    fprintf(stdout,
-            "BEGIN netdata.apps_fix %llu\n"
-            "SET utime = %u\n"
-            "SET stime = %u\n"
-            "SET gtime = %u\n"
-            "SET minflt = %u\n"
-            "SET majflt = %u\n"
-            "END\n"
-            , dt
-            , (unsigned int)(utime_fix_ratio   * 100 * RATES_DETAIL)
-            , (unsigned int)(stime_fix_ratio   * 100 * RATES_DETAIL)
-            , (unsigned int)(gtime_fix_ratio   * 100 * RATES_DETAIL)
-            , (unsigned int)(minflt_fix_ratio  * 100 * RATES_DETAIL)
-            , (unsigned int)(majflt_fix_ratio  * 100 * RATES_DETAIL)
-    );
-
-    if(include_exited_childs)
-        fprintf(stdout,
-            "BEGIN netdata.apps_children_fix %llu\n"
-            "SET cutime = %u\n"
-            "SET cstime = %u\n"
-            "SET cgtime = %u\n"
-            "SET cminflt = %u\n"
-            "SET cmajflt = %u\n"
-            "END\n"
-            , dt
-            , (unsigned int)(cutime_fix_ratio  * 100 * RATES_DETAIL)
-            , (unsigned int)(cstime_fix_ratio  * 100 * RATES_DETAIL)
-            , (unsigned int)(cgtime_fix_ratio  * 100 * RATES_DETAIL)
-            , (unsigned int)(cminflt_fix_ratio * 100 * RATES_DETAIL)
-            , (unsigned int)(cmajflt_fix_ratio * 100 * RATES_DETAIL)
-            );
-#endif
-}
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-static void normalize_utilization(struct target *root) {
-    struct target *w;
-
-    // childs processing introduces spikes
-    // here we try to eliminate them by disabling childs processing either for specific dimensions
-    // or entirely. Of course, either way, we disable it just a single iteration.
-
-    kernel_uint_t max_time = processors * hz * RATES_DETAIL;
-    kernel_uint_t utime = 0, cutime = 0, stime = 0, cstime = 0, gtime = 0, cgtime = 0, minflt = 0, cminflt = 0, majflt = 0, cmajflt = 0;
-
-    if(global_utime > max_time) global_utime = max_time;
-    if(global_stime > max_time) global_stime = max_time;
-    if(global_gtime > max_time) global_gtime = max_time;
-
-    for(w = root; w ; w = w->next) {
-        if(w->target || (!w->processes && !w->exposed)) continue;
-
-        utime   += w->utime;
-        stime   += w->stime;
-        gtime   += w->gtime;
-        cutime  += w->cutime;
-        cstime  += w->cstime;
-        cgtime  += w->cgtime;
-
-        minflt  += w->minflt;
-        majflt  += w->majflt;
-        cminflt += w->cminflt;
-        cmajflt += w->cmajflt;
-    }
-
-    if((global_utime || global_stime || global_gtime) && (utime || stime || gtime)) {
-        if(global_utime + global_stime + global_gtime > utime + cutime + stime + cstime + gtime + cgtime) {
-            // everything we collected fits
-            utime_fix_ratio  =
-            stime_fix_ratio  =
-            gtime_fix_ratio  =
-            cutime_fix_ratio =
-            cstime_fix_ratio =
-            cgtime_fix_ratio = 1.0; //(double)(global_utime + global_stime) / (double)(utime + cutime + stime + cstime);
-        }
-        else if(global_utime + global_stime > utime + stime) {
-            // childrens resources are too high
-            // lower only the children resources
-            utime_fix_ratio  =
-            stime_fix_ratio  =
-            gtime_fix_ratio  = 1.0;
-            cutime_fix_ratio =
-            cstime_fix_ratio =
-            cgtime_fix_ratio = (double)((global_utime + global_stime) - (utime + stime)) / (double)(cutime + cstime);
-        }
-        else {
-            // even running processes are unrealistic
-            // zero the children resources
-            // lower the running processes resources
-            utime_fix_ratio  =
-            stime_fix_ratio  =
-            gtime_fix_ratio  = (double)(global_utime + global_stime) / (double)(utime + stime);
-            cutime_fix_ratio =
-            cstime_fix_ratio =
-            cgtime_fix_ratio = 0.0;
-        }
-    }
-    else {
-        utime_fix_ratio  =
-        stime_fix_ratio  =
-        gtime_fix_ratio  =
-        cutime_fix_ratio =
-        cstime_fix_ratio =
-        cgtime_fix_ratio = 0.0;
-    }
-
-    if(utime_fix_ratio  > 1.0) utime_fix_ratio  = 1.0;
-    if(cutime_fix_ratio > 1.0) cutime_fix_ratio = 1.0;
-    if(stime_fix_ratio  > 1.0) stime_fix_ratio  = 1.0;
-    if(cstime_fix_ratio > 1.0) cstime_fix_ratio = 1.0;
-    if(gtime_fix_ratio  > 1.0) gtime_fix_ratio  = 1.0;
-    if(cgtime_fix_ratio > 1.0) cgtime_fix_ratio = 1.0;
-
-    // if(utime_fix_ratio  < 0.0) utime_fix_ratio  = 0.0;
-    // if(cutime_fix_ratio < 0.0) cutime_fix_ratio = 0.0;
-    // if(stime_fix_ratio  < 0.0) stime_fix_ratio  = 0.0;
-    // if(cstime_fix_ratio < 0.0) cstime_fix_ratio = 0.0;
-    // if(gtime_fix_ratio  < 0.0) gtime_fix_ratio  = 0.0;
-    // if(cgtime_fix_ratio < 0.0) cgtime_fix_ratio = 0.0;
-
-    // FIXME
-    // we use cpu time to normalize page faults
-    // the problem is that to find the proper max values
-    // for page faults we have to parse /proc/vmstat
-    // which is quite big to do it again (netdata does it already)
-    //
-    // a better solution could be to somehow have netdata
-    // do this normalization for us
-
-    if(utime || stime || gtime)
-        majflt_fix_ratio =
-        minflt_fix_ratio = (double)(utime * utime_fix_ratio + stime * stime_fix_ratio + gtime * gtime_fix_ratio) / (double)(utime + stime + gtime);
-    else
-        minflt_fix_ratio =
-        majflt_fix_ratio = 1.0;
-
-    if(cutime || cstime || cgtime)
-        cmajflt_fix_ratio =
-        cminflt_fix_ratio = (double)(cutime * cutime_fix_ratio + cstime * cstime_fix_ratio + cgtime * cgtime_fix_ratio) / (double)(cutime + cstime + cgtime);
-    else
-        cminflt_fix_ratio =
-        cmajflt_fix_ratio = 1.0;
-
-    // the report
-
-    if(unlikely(debug)) {
-        fprintf(stderr,
-            "SYSTEM: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " "
-            "COLLECTED: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " cu=" KERNEL_UINT_FORMAT " cs=" KERNEL_UINT_FORMAT " cg=" KERNEL_UINT_FORMAT " "
-            "DELTA: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " "
-            "FIX: u=%0.2f s=%0.2f g=%0.2f cu=%0.2f cs=%0.2f cg=%0.2f "
-            "FINALLY: u=" KERNEL_UINT_FORMAT " s=" KERNEL_UINT_FORMAT " g=" KERNEL_UINT_FORMAT " cu=" KERNEL_UINT_FORMAT " cs=" KERNEL_UINT_FORMAT " cg=" KERNEL_UINT_FORMAT " "
-            "\n"
-            , global_utime
-            , global_stime
-            , global_gtime
-            , utime
-            , stime
-            , gtime
-            , cutime
-            , cstime
-            , cgtime
-            , utime + cutime - global_utime
-            , stime + cstime - global_stime
-            , gtime + cgtime - global_gtime
-            , utime_fix_ratio
-            , stime_fix_ratio
-            , gtime_fix_ratio
-            , cutime_fix_ratio
-            , cstime_fix_ratio
-            , cgtime_fix_ratio
-            , (kernel_uint_t)(utime * utime_fix_ratio)
-            , (kernel_uint_t)(stime * stime_fix_ratio)
-            , (kernel_uint_t)(gtime * gtime_fix_ratio)
-            , (kernel_uint_t)(cutime * cutime_fix_ratio)
-            , (kernel_uint_t)(cstime * cstime_fix_ratio)
-            , (kernel_uint_t)(cgtime * cgtime_fix_ratio)
-            );
-    }
-}
-#else // ALL_PIDS_ARE_READ_INSTANTLY == 1
-static void normalize_utilization(struct target *root) {
-    (void)root;
-}
-#endif // ALL_PIDS_ARE_READ_INSTANTLY
-
-static void send_collected_data_to_netdata(struct target *root, const char *type, usec_t dt) {
-    struct target *w;
-
-    send_BEGIN(type, "cpu", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, (kernel_uint_t)(w->utime * utime_fix_ratio) + (kernel_uint_t)(w->stime * stime_fix_ratio) + (kernel_uint_t)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cutime * cutime_fix_ratio) + (kernel_uint_t)(w->cstime * cstime_fix_ratio) + (kernel_uint_t)(w->cgtime * cgtime_fix_ratio)):0ULL));
-    }
-    send_END();
-
-    send_BEGIN(type, "cpu_user", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, (kernel_uint_t)(w->utime * utime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cutime * cutime_fix_ratio)):0ULL));
-    }
-    send_END();
-
-    send_BEGIN(type, "cpu_system", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, (kernel_uint_t)(w->stime * stime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cstime * cstime_fix_ratio)):0ULL));
-    }
-    send_END();
-
-    if(show_guest_time) {
-        send_BEGIN(type, "cpu_guest", dt);
-        for (w = root; w ; w = w->next) {
-            if(unlikely(w->exposed))
-                send_SET(w->name, (kernel_uint_t)(w->gtime * gtime_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cgtime * cgtime_fix_ratio)):0ULL));
-        }
-        send_END();
-    }
-
-    send_BEGIN(type, "threads", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->num_threads);
-    }
-    send_END();
-
-    send_BEGIN(type, "processes", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->processes);
-    }
-    send_END();
-
-    send_BEGIN(type, "mem", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, (w->status_vmrss > w->status_vmshared)?(w->status_vmrss - w->status_vmshared):0ULL);
-    }
-    send_END();
-
-    send_BEGIN(type, "vmem", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->status_vmsize);
-    }
-    send_END();
-
-#ifndef __FreeBSD__
-    send_BEGIN(type, "swap", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->status_vmswap);
-    }
-    send_END();
-#endif
-    
-    send_BEGIN(type, "minor_faults", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, (kernel_uint_t)(w->minflt * minflt_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cminflt * cminflt_fix_ratio)):0ULL));
-    }
-    send_END();
-
-    send_BEGIN(type, "major_faults", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, (kernel_uint_t)(w->majflt * majflt_fix_ratio) + (include_exited_childs?((kernel_uint_t)(w->cmajflt * cmajflt_fix_ratio)):0ULL));
-    }
-    send_END();
-
-#ifndef __FreeBSD__
-    send_BEGIN(type, "lreads", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->io_logical_bytes_read);
-    }
-    send_END();
-
-    send_BEGIN(type, "lwrites", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->io_logical_bytes_written);
-    }
-    send_END();
-#endif
-
-    send_BEGIN(type, "preads", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->io_storage_bytes_read);
-    }
-    send_END();
-
-    send_BEGIN(type, "pwrites", dt);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            send_SET(w->name, w->io_storage_bytes_written);
-    }
-    send_END();
-
-    if(enable_file_charts) {
-        send_BEGIN(type, "files", dt);
-        for (w = root; w; w = w->next) {
-            if (unlikely(w->exposed))
-                send_SET(w->name, w->openfiles);
-        }
-        send_END();
-
-        send_BEGIN(type, "sockets", dt);
-        for (w = root; w; w = w->next) {
-            if (unlikely(w->exposed))
-                send_SET(w->name, w->opensockets);
-        }
-        send_END();
-
-        send_BEGIN(type, "pipes", dt);
-        for (w = root; w; w = w->next) {
-            if (unlikely(w->exposed))
-                send_SET(w->name, w->openpipes);
-        }
-        send_END();
-    }
-}
-
-
-// ----------------------------------------------------------------------------
-// generate the charts
-
-static void send_charts_updates_to_netdata(struct target *root, const char *type, const char *title)
-{
-    struct target *w;
-    int newly_added = 0;
-
-    for(w = root ; w ; w = w->next) {
-        if (w->target) continue;
-
-        if (!w->exposed && w->processes) {
-            newly_added++;
-            w->exposed = 1;
-            if (debug || w->debug) fprintf(stderr, "apps.plugin: %s just added - regenerating charts.\n", w->name);
-        }
-    }
-
-    // nothing more to show
-    if(!newly_added && show_guest_time == show_guest_time_old) return;
-
-    // we have something new to show
-    // update the charts
-    fprintf(stdout, "CHART %s.cpu '' '%s CPU Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu stacked 20001 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu %s\n", w->name, hz * RATES_DETAIL / 100, w->hidden ? "hidden" : "");
-    }
-
-    fprintf(stdout, "CHART %s.mem '' '%s Real Memory (w/o shared)' 'MB' mem %s.mem stacked 20003 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, 1L, 1024L);
-    }
-
-    fprintf(stdout, "CHART %s.vmem '' '%s Virtual Memory Size' 'MB' mem %s.vmem stacked 20005 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, 1L, 1024L);
-    }
-
-    fprintf(stdout, "CHART %s.threads '' '%s Threads' 'threads' processes %s.threads stacked 20006 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
-    }
-
-    fprintf(stdout, "CHART %s.processes '' '%s Processes' 'processes' processes %s.processes stacked 20007 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
-    }
-
-    fprintf(stdout, "CHART %s.cpu_user '' '%s CPU User Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_user stacked 20020 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
-    }
-
-    fprintf(stdout, "CHART %s.cpu_system '' '%s CPU System Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20021 %d\n", type, title, (processors * 100), processors, (processors>1)?"s":"", type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
-    }
-
-    if(show_guest_time) {
-        fprintf(stdout, "CHART %s.cpu_guest '' '%s CPU Guest Time (%d%% = %d core%s)' 'cpu time %%' cpu %s.cpu_system stacked 20022 %d\n", type, title, (processors * 100), processors, (processors > 1) ? "s" : "", type, update_every);
-        for (w = root; w; w = w->next) {
-            if(unlikely(w->exposed))
-                fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, hz * RATES_DETAIL / 100LLU);
-        }
-    }
-
-#ifndef __FreeBSD__
-    fprintf(stdout, "CHART %s.swap '' '%s Swap Memory' 'MB' swap %s.swap stacked 20011 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute %ld %ld\n", w->name, 1L, 1024L);
-    }
-#endif
-
-    fprintf(stdout, "CHART %s.major_faults '' '%s Major Page Faults (swap read)' 'page faults/s' swap %s.major_faults stacked 20012 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
-    }
-
-    fprintf(stdout, "CHART %s.minor_faults '' '%s Minor Page Faults' 'page faults/s' mem %s.minor_faults stacked 20011 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
-    }
-
-#ifdef __FreeBSD__
-    fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'blocks/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
-    }
-
-    fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'blocks/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, RATES_DETAIL);
-    }
-#else
-    fprintf(stdout, "CHART %s.preads '' '%s Disk Reads' 'kilobytes/s' disk %s.preads stacked 20002 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
-    }
-
-    fprintf(stdout, "CHART %s.pwrites '' '%s Disk Writes' 'kilobytes/s' disk %s.pwrites stacked 20002 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
-    }
-
-    fprintf(stdout, "CHART %s.lreads '' '%s Disk Logical Reads' 'kilobytes/s' disk %s.lreads stacked 20042 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
-    }
-
-    fprintf(stdout, "CHART %s.lwrites '' '%s I/O Logical Writes' 'kilobytes/s' disk %s.lwrites stacked 20042 %d\n", type, title, type, update_every);
-    for (w = root; w ; w = w->next) {
-        if(unlikely(w->exposed))
-            fprintf(stdout, "DIMENSION %s '' absolute 1 %llu\n", w->name, 1024LLU * RATES_DETAIL);
-    }
-#endif
-
-    if(enable_file_charts) {
-        fprintf(stdout, "CHART %s.files '' '%s Open Files' 'open files' disk %s.files stacked 20050 %d\n", type,
-                       title, type, update_every);
-        for (w = root; w; w = w->next) {
-            if (unlikely(w->exposed))
-                fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
-        }
-
-        fprintf(stdout, "CHART %s.sockets '' '%s Open Sockets' 'open sockets' net %s.sockets stacked 20051 %d\n",
-                       type, title, type, update_every);
-        for (w = root; w; w = w->next) {
-            if (unlikely(w->exposed))
-                fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
-        }
-
-        fprintf(stdout, "CHART %s.pipes '' '%s Pipes' 'open pipes' processes %s.pipes stacked 20053 %d\n", type,
-                       title, type, update_every);
-        for (w = root; w; w = w->next) {
-            if (unlikely(w->exposed))
-                fprintf(stdout, "DIMENSION %s '' absolute 1 1\n", w->name);
-        }
-    }
-}
-
-
-// ----------------------------------------------------------------------------
-// parse command line arguments
-
-int check_proc_1_io() {
-    int ret = 0;
-
-    procfile *ff = procfile_open("/proc/1/io", NULL, PROCFILE_FLAG_NO_ERROR_ON_FILE_IO);
-    if(!ff) goto cleanup;
-
-    ff = procfile_readall(ff);
-    if(!ff) goto cleanup;
-
-    ret = 1;
-
-cleanup:
-    procfile_close(ff);
-    return ret;
-}
-
-static void parse_args(int argc, char **argv)
-{
-    int i, freq = 0;
-    char *name = NULL;
-
-    for(i = 1; i < argc; i++) {
-        if(!freq) {
-            int n = (int)str2l(argv[i]);
-            if(n > 0) {
-                freq = n;
-                continue;
-            }
-        }
-
-        if(strcmp("version", argv[i]) == 0 || strcmp("-version", argv[i]) == 0 || strcmp("--version", argv[i]) == 0 || strcmp("-v", argv[i]) == 0 || strcmp("-V", argv[i]) == 0) {
-            printf("apps.plugin %s\n", VERSION);
-            exit(0);
-        }
-
-        if(strcmp("test-permissions", argv[i]) == 0 || strcmp("-t", argv[i]) == 0) {
-            if(!check_proc_1_io()) {
-                perror("Tried to read /proc/1/io and it failed");
-                exit(1);
-            }
-            printf("OK\n");
-            exit(0);
-        }
-
-        if(strcmp("debug", argv[i]) == 0) {
-            debug = 1;
-            // debug_flags = 0xffffffff;
-            continue;
-        }
-
-        if(strcmp("no-childs", argv[i]) == 0 || strcmp("without-childs", argv[i]) == 0) {
-            include_exited_childs = 0;
-            continue;
-        }
-
-        if(strcmp("with-childs", argv[i]) == 0) {
-            include_exited_childs = 1;
-            continue;
-        }
-
-        if(strcmp("with-guest", argv[i]) == 0) {
-            enable_guest_charts = 1;
-            continue;
-        }
-
-        if(strcmp("no-guest", argv[i]) == 0 || strcmp("without-guest", argv[i]) == 0) {
-            enable_guest_charts = 0;
-            continue;
-        }
-
-        if(strcmp("with-files", argv[i]) == 0) {
-            enable_file_charts = 1;
-            continue;
-        }
-
-        if(strcmp("no-files", argv[i]) == 0 || strcmp("without-files", argv[i]) == 0) {
-            enable_file_charts = 0;
-            continue;
-        }
-
-        if(strcmp("no-users", argv[i]) == 0 || strcmp("without-users", argv[i]) == 0) {
-            enable_users_charts = 0;
-            continue;
-        }
-
-        if(strcmp("no-groups", argv[i]) == 0 || strcmp("without-groups", argv[i]) == 0) {
-            enable_groups_charts = 0;
-            continue;
-        }
-
-        if(strcmp("-h", argv[i]) == 0 || strcmp("--help", argv[i]) == 0) {
-            fprintf(stderr,
-                    "\n"
-                    " netdata apps.plugin %s\n"
-                    " Copyright (C) 2016-2017 Costa Tsaousis <costa@tsaousis.gr>\n"
-                    " Released under GNU General Public License v3 or later.\n"
-                    " All rights reserved.\n"
-                    "\n"
-                    " This program is a data collector plugin for netdata.\n"
-                    "\n"
-                    " Available command line options:\n"
-                    "\n"
-                    " SECONDS           set the data collection frequency\n"
-                    "\n"
-                    " debug             enable debugging (lot of output)\n"
-                    "\n"
-                    " with-childs\n"
-                    " without-childs    enable / disable aggregating exited\n"
-                    "                   children resources into parents\n"
-                    "                   (default is enabled)\n"
-                    "\n"
-                    " with-guest\n"
-                    " without-guest     enable / disable reporting guest charts\n"
-                    "                   (default is disabled)\n"
-                    "\n"
-                    " with-files\n"
-                    " without-files     enable / disable reporting files, sockets, pipes\n"
-                    "                   (default is enabled)\n"
-                    "\n"
-                    " NAME              read apps_NAME.conf instead of\n"
-                    "                   apps_groups.conf\n"
-                    "                   (default NAME=groups)\n"
-                    "\n"
-                    " version or -v or -V print program version and exit\n"
-                    "\n"
-                    , VERSION
-            );
-            exit(1);
-        }
-
-        if(!name) {
-            name = argv[i];
-            continue;
-        }
-
-        error("Cannot understand option %s", argv[i]);
-        exit(1);
-    }
-
-    if(freq > 0) update_every = freq;
-    if(!name) name = "groups";
-
-    if(read_apps_groups_conf(name)) {
-        error("Cannot read process groups '%s/apps_%s.conf'. There are no internal defaults. Failing.", config_dir, name);
-        exit(1);
-    }
-}
-
-static int am_i_running_as_root() {
-    uid_t uid = getuid(), euid = geteuid();
-
-    if(uid == 0 || euid == 0) {
-        if(debug) info("I am running with escalated privileges, uid = %u, euid = %u.", uid, euid);
-        return 1;
-    }
-
-    if(debug) info("I am not running with escalated privileges, uid = %u, euid = %u.", uid, euid);
-    return 0;
-}
-
-#ifdef HAVE_CAPABILITY
-static int check_capabilities() {
-    cap_t caps = cap_get_proc();
-    if(!caps) {
-        error("Cannot get current capabilities.");
-        return 0;
-    }
-    else if(debug)
-        info("Received my capabilities from the system.");
-
-    int ret = 1;
-
-    cap_flag_value_t cfv = CAP_CLEAR;
-    if(cap_get_flag(caps, CAP_DAC_READ_SEARCH, CAP_EFFECTIVE, &cfv) == -1) {
-        error("Cannot find if CAP_DAC_READ_SEARCH is effective.");
-        ret = 0;
-    }
-    else {
-        if(cfv != CAP_SET) {
-            error("apps.plugin should run with CAP_DAC_READ_SEARCH.");
-            ret = 0;
-        }
-        else if(debug)
-            info("apps.plugin runs with CAP_DAC_READ_SEARCH.");
-    }
-
-    cfv = CAP_CLEAR;
-    if(cap_get_flag(caps, CAP_SYS_PTRACE, CAP_EFFECTIVE, &cfv) == -1) {
-        error("Cannot find if CAP_SYS_PTRACE is effective.");
-        ret = 0;
-    }
-    else {
-        if(cfv != CAP_SET) {
-            error("apps.plugin should run with CAP_SYS_PTRACE.");
-            ret = 0;
-        }
-        else if(debug)
-            info("apps.plugin runs with CAP_SYS_PTRACE.");
-    }
-
-    cap_free(caps);
-
-    return ret;
-}
-#else
-static int check_capabilities() {
-    return 0;
-}
-#endif
-
-int main(int argc, char **argv) {
-    // debug_flags = D_PROCFILE;
-
-    pagesize = (size_t)sysconf(_SC_PAGESIZE);
-
-    // set the name for logging
-    program_name = "apps.plugin";
-
-    // disable syslog for apps.plugin
-    error_log_syslog = 0;
-
-    // set errors flood protection to 100 logs per hour
-    error_log_errors_per_period = 100;
-    error_log_throttle_period = 3600;
-
-    netdata_configured_host_prefix = getenv("NETDATA_HOST_PREFIX");
-    if(netdata_configured_host_prefix == NULL) {
-        // info("NETDATA_HOST_PREFIX is not passed from netdata");
-        netdata_configured_host_prefix = "";
-    }
-    // else info("Found NETDATA_HOST_PREFIX='%s'", netdata_configured_host_prefix);
-
-    config_dir = getenv("NETDATA_CONFIG_DIR");
-    if(config_dir == NULL) {
-        // info("NETDATA_CONFIG_DIR is not passed from netdata");
-        config_dir = CONFIG_DIR;
-    }
-    // else info("Found NETDATA_CONFIG_DIR='%s'", config_dir);
-
-#ifdef NETDATA_INTERNAL_CHECKS
-    if(debug_flags != 0) {
-        struct rlimit rl = { RLIM_INFINITY, RLIM_INFINITY };
-        if(setrlimit(RLIMIT_CORE, &rl) != 0)
-            info("Cannot request unlimited core dumps for debugging... Proceeding anyway...");
-#ifdef HAVE_SYS_PRCTL_H
-        prctl(PR_SET_DUMPABLE, 1, 0, 0, 0);
-#endif
-    }
-#endif /* NETDATA_INTERNAL_CHECKS */
-
-    procfile_adaptive_initial_allocation = 1;
-
-    time_t started_t = now_monotonic_sec();
-    get_system_HZ();
-    get_system_pid_max();
-    get_system_cpus();
-
-    parse_args(argc, argv);
-
-    if(!check_capabilities() && !am_i_running_as_root() && !check_proc_1_io()) {
-        uid_t uid = getuid(), euid = geteuid();
-#ifdef HAVE_CAPABILITY
-        error("apps.plugin should either run as root (now running with uid %u, euid %u) or have special capabilities. "
-                      "Without these, apps.plugin cannot report disk I/O utilization of other processes. "
-                      "To enable capabilities run: sudo setcap cap_dac_read_search,cap_sys_ptrace+ep %s; "
-                      "To enable setuid to root run: sudo chown root %s; sudo chmod 4755 %s; "
-              , uid, euid, argv[0], argv[0], argv[0]
-        );
-#else
-        error("apps.plugin should either run as root (now running with uid %u, euid %u) or have special capabilities. "
-                      "Without these, apps.plugin cannot report disk I/O utilization of other processes. "
-                      "Your system does not support capabilities. "
-                      "To enable setuid to root run: sudo chown root %s; sudo chmod 4755 %s; "
-              , uid, euid, argv[0], argv[0]
-        );
-#endif
-    }
-
-    info("started on pid %d", getpid());
-
-#if (ALL_PIDS_ARE_READ_INSTANTLY == 0)
-    all_pids_sortlist = callocz(sizeof(pid_t), (size_t)pid_max);
-#endif
-
-    all_pids          = callocz(sizeof(struct pid_stat *), (size_t) pid_max);
-
-    usec_t step = update_every * USEC_PER_SEC;
-    global_iterations_counter = 1;
-    heartbeat_t hb;
-    heartbeat_init(&hb);
-    for(;1; global_iterations_counter++) {
-
-#ifdef NETDATA_PROFILING
-#warning "compiling for profiling"
-        static int profiling_count=0;
-        profiling_count++;
-        if(unlikely(profiling_count > 2000)) exit(0);
-        usec_t dt = update_every * USEC_PER_SEC;
-#else
-        usec_t dt = heartbeat_next(&hb, step);
-#endif
-
-        if(!collect_data_for_all_processes()) {
-            error("Cannot collect /proc data for running processes. Disabling apps.plugin...");
-            printf("DISABLE\n");
-            exit(1);
-        }
-
-        calculate_netdata_statistics();
-        normalize_utilization(apps_groups_root_target);
-
-        send_resource_usage_to_netdata(dt);
-
-        // this is smart enough to show only newly added apps, when needed
-        send_charts_updates_to_netdata(apps_groups_root_target, "apps", "Apps");
-
-        if(likely(enable_users_charts))
-            send_charts_updates_to_netdata(users_root_target, "users", "Users");
-
-        if(likely(enable_groups_charts))
-            send_charts_updates_to_netdata(groups_root_target, "groups", "User Groups");
-
-        send_collected_data_to_netdata(apps_groups_root_target, "apps", dt);
-
-        if(likely(enable_users_charts))
-            send_collected_data_to_netdata(users_root_target, "users", dt);
-
-        if(likely(enable_groups_charts))
-            send_collected_data_to_netdata(groups_root_target, "groups", dt);
-
-        fflush(stdout);
-
-        show_guest_time_old = show_guest_time;
-
-        if(unlikely(debug))
-            fprintf(stderr, "apps.plugin: done Loop No %zu\n", global_iterations_counter);
-
-        // restart check (14400 seconds)
-        if(now_monotonic_sec() - started_t > 14400) exit(0);
-    }
-}