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// SPDX-License-Identifier: GPL-3.0-or-later
#include "apps_plugin.h"
// ----------------------------------------------------------------------------
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_enabled || (p->target && p->target->debug_enabled)) debug_log_int("\t\tcomparing '%s' with '%s'", 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))
))) {
p->matched_by_config = true;
if(w->target) p->target = w->target;
else p->target = w;
if(debug_enabled || (p->target && p->target->debug_enabled))
debug_log_int("%s linked to target %s", p->comm, p->target->name);
break;
}
}
}
static inline void update_pid_comm(struct pid_stat *p, const char *comm) {
if(strcmp(p->comm, comm) != 0) {
if(unlikely(debug_enabled)) {
if(p->comm[0])
debug_log("\tpid %d (%s) changed name to '%s'", p->pid, p->comm, comm);
else
debug_log("\tJust added %d (%s)", 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);
}
}
static inline void clear_pid_stat(struct pid_stat *p, bool threads) {
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;
if(threads)
p->num_threads = 0;
// p->rss = 0;
}
#if defined(__FreeBSD__)
static inline bool read_proc_pid_stat_per_os(struct pid_stat *p, void *ptr) {
struct kinfo_proc *proc_info = (struct kinfo_proc *)ptr;
if (unlikely(proc_info->ki_tdflags & TDF_IDLETD))
goto cleanup;
char *comm = proc_info->ki_comm;
p->ppid = proc_info->ki_ppid;
update_pid_comm(p, comm);
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;
usec_t started_ut = timeval_usec(&proc_info->ki_start);
p->uptime = (system_current_time_ut > started_ut) ? (system_current_time_ut - started_ut) / USEC_PER_SEC : 0;
if(enable_guest_charts) {
enable_guest_charts = false;
netdata_log_info("Guest charts aren't supported by FreeBSD");
}
if(unlikely(debug_enabled || (p->target && p->target->debug_enabled)))
debug_log_int("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", 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))
clear_pid_stat(p, false);
return true;
cleanup:
clear_pid_stat(p, true);
return false;
}
#endif // __FreeBSD__
#ifdef __APPLE__
static inline bool read_proc_pid_stat_per_os(struct pid_stat *p, void *ptr) {
struct pid_info *pi = ptr;
p->ppid = pi->proc.kp_eproc.e_ppid;
// Update command name and target if changed
char comm[PROC_PIDPATHINFO_MAXSIZE];
int ret = proc_name(p->pid, comm, sizeof(comm));
if (ret <= 0)
strncpyz(comm, "unknown", sizeof(comm) - 1);
update_pid_comm(p, comm);
kernel_uint_t userCPU = (pi->taskinfo.pti_total_user * mach_info.numer) / mach_info.denom / NSEC_PER_USEC / 10000;
kernel_uint_t systemCPU = (pi->taskinfo.pti_total_system * mach_info.numer) / mach_info.denom / NSEC_PER_USEC / 10000;
// Map the values from taskinfo to the pid_stat structure
pid_incremental_rate(stat, p->minflt, pi->taskinfo.pti_faults);
pid_incremental_rate(stat, p->majflt, pi->taskinfo.pti_pageins);
pid_incremental_rate(stat, p->utime, userCPU);
pid_incremental_rate(stat, p->stime, systemCPU);
p->num_threads = pi->taskinfo.pti_threadnum;
usec_t started_ut = timeval_usec(&pi->proc.kp_proc.p_starttime);
p->uptime = (system_current_time_ut > started_ut) ? (system_current_time_ut - started_ut) / USEC_PER_SEC : 0;
// Note: Some values such as guest time, cutime, cstime, etc., are not directly available in MacOS.
// You might need to approximate or leave them unset depending on your needs.
if(unlikely(debug_enabled || (p->target && p->target->debug_enabled))) {
debug_log_int("READ PROC/PID/STAT for MacOS: process: '%s' on target '%s' VALUES: utime=" KERNEL_UINT_FORMAT ", stime=" KERNEL_UINT_FORMAT ", minflt=" KERNEL_UINT_FORMAT ", majflt=" KERNEL_UINT_FORMAT ", threads=%d",
p->comm, (p->target) ? p->target->name : "UNSET", p->utime, p->stime, p->minflt, p->majflt, p->num_threads);
}
if(unlikely(global_iterations_counter == 1))
clear_pid_stat(p, false);
// MacOS doesn't have a direct concept of process state like Linux,
// so updating process state count might need a different approach.
return true;
}
#endif // __APPLE__
#if !defined(__FreeBSD__) && !defined(__APPLE__)
static inline void update_proc_state_count(char proc_stt) {
switch (proc_stt) {
case 'S':
proc_state_count[PROC_STATUS_SLEEPING] += 1;
break;
case 'R':
proc_state_count[PROC_STATUS_RUNNING] += 1;
break;
case 'D':
proc_state_count[PROC_STATUS_SLEEPING_D] += 1;
break;
case 'Z':
proc_state_count[PROC_STATUS_ZOMBIE] += 1;
break;
case 'T':
proc_state_count[PROC_STATUS_STOPPED] += 1;
break;
default:
break;
}
}
static inline bool read_proc_pid_stat_per_os(struct pid_stat *p, void *ptr __maybe_unused) {
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;
// 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));
update_pid_comm(p, comm);
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), NULL);
// p->itrealvalue = str2kernel_uint_t(procfile_lineword(ff, 0, 20));
kernel_uint_t collected_starttime = str2kernel_uint_t(procfile_lineword(ff, 0, 21)) / system_hz;
p->uptime = (system_uptime_secs > collected_starttime)?(system_uptime_secs - collected_starttime):0;
// 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;
}
}
if(unlikely(debug_enabled || (p->target && p->target->debug_enabled)))
debug_log_int("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", 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))
clear_pid_stat(p, false);
update_proc_state_count(p->state);
return true;
cleanup:
clear_pid_stat(p, true);
return false;
}
#endif // !__FreeBSD__ !__APPLE__
int read_proc_pid_stat(struct pid_stat *p, void *ptr) {
p->last_stat_collected_usec = p->stat_collected_usec;
p->stat_collected_usec = now_monotonic_usec();
calls_counter++;
if(!read_proc_pid_stat_per_os(p, ptr))
return 0;
return 1;
}
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