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-rw-r--r--collectors/cgroups.plugin/sys_fs_cgroup.c4051
1 files changed, 4051 insertions, 0 deletions
diff --git a/collectors/cgroups.plugin/sys_fs_cgroup.c b/collectors/cgroups.plugin/sys_fs_cgroup.c
new file mode 100644
index 0000000..df1f5f2
--- /dev/null
+++ b/collectors/cgroups.plugin/sys_fs_cgroup.c
@@ -0,0 +1,4051 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "sys_fs_cgroup.h"
+
+#define PLUGIN_CGROUPS_NAME "cgroups.plugin"
+#define PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME "systemd"
+#define PLUGIN_CGROUPS_MODULE_CGROUPS_NAME "/sys/fs/cgroup"
+
+// ----------------------------------------------------------------------------
+// cgroup globals
+
+static long system_page_size = 4096; // system will be queried via sysconf() in configuration()
+
+static int cgroup_enable_cpuacct_stat = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_cpuacct_usage = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_memory = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_detailed_memory = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_memory_failcnt = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_swap = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_blkio_io = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_blkio_ops = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_blkio_throttle_io = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_blkio_throttle_ops = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_blkio_merged_ops = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_blkio_queued_ops = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_pressure_cpu = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_pressure_io_some = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_pressure_io_full = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_pressure_memory_some = CONFIG_BOOLEAN_AUTO;
+static int cgroup_enable_pressure_memory_full = CONFIG_BOOLEAN_AUTO;
+
+static int cgroup_enable_systemd_services = CONFIG_BOOLEAN_YES;
+static int cgroup_enable_systemd_services_detailed_memory = CONFIG_BOOLEAN_NO;
+static int cgroup_used_memory_without_cache = CONFIG_BOOLEAN_YES;
+
+static int cgroup_use_unified_cgroups = CONFIG_BOOLEAN_NO;
+static int cgroup_unified_exist = CONFIG_BOOLEAN_AUTO;
+
+static int cgroup_search_in_devices = 1;
+
+static int cgroup_enable_new_cgroups_detected_at_runtime = 1;
+static int cgroup_check_for_new_every = 10;
+static int cgroup_update_every = 1;
+static int cgroup_containers_chart_priority = NETDATA_CHART_PRIO_CGROUPS_CONTAINERS;
+
+static int cgroup_recheck_zero_blkio_every_iterations = 10;
+static int cgroup_recheck_zero_mem_failcnt_every_iterations = 10;
+static int cgroup_recheck_zero_mem_detailed_every_iterations = 10;
+
+static char *cgroup_cpuacct_base = NULL;
+static char *cgroup_cpuset_base = NULL;
+static char *cgroup_blkio_base = NULL;
+static char *cgroup_memory_base = NULL;
+static char *cgroup_devices_base = NULL;
+static char *cgroup_unified_base = NULL;
+
+static int cgroup_root_count = 0;
+static int cgroup_root_max = 1000;
+static int cgroup_max_depth = 0;
+
+static SIMPLE_PATTERN *enabled_cgroup_patterns = NULL;
+static SIMPLE_PATTERN *enabled_cgroup_paths = NULL;
+static SIMPLE_PATTERN *enabled_cgroup_renames = NULL;
+static SIMPLE_PATTERN *systemd_services_cgroups = NULL;
+
+static char *cgroups_rename_script = NULL;
+static char *cgroups_network_interface_script = NULL;
+
+static int cgroups_check = 0;
+
+static uint32_t Read_hash = 0;
+static uint32_t Write_hash = 0;
+static uint32_t user_hash = 0;
+static uint32_t system_hash = 0;
+
+enum cgroups_type { CGROUPS_AUTODETECT_FAIL, CGROUPS_V1, CGROUPS_V2 };
+
+enum cgroups_systemd_setting {
+ SYSTEMD_CGROUP_ERR,
+ SYSTEMD_CGROUP_LEGACY,
+ SYSTEMD_CGROUP_HYBRID,
+ SYSTEMD_CGROUP_UNIFIED
+};
+
+struct cgroups_systemd_config_setting {
+ char *name;
+ enum cgroups_systemd_setting setting;
+};
+
+static struct cgroups_systemd_config_setting cgroups_systemd_options[] = {
+ { .name = "legacy", .setting = SYSTEMD_CGROUP_LEGACY },
+ { .name = "hybrid", .setting = SYSTEMD_CGROUP_HYBRID },
+ { .name = "unified", .setting = SYSTEMD_CGROUP_UNIFIED },
+ { .name = NULL, .setting = SYSTEMD_CGROUP_ERR },
+};
+
+/* on Fed systemd is not in PATH for some reason */
+#define SYSTEMD_CMD_RHEL "/usr/lib/systemd/systemd --version"
+#define SYSTEMD_HIERARCHY_STRING "default-hierarchy="
+
+#define MAXSIZE_PROC_CMDLINE 4096
+static enum cgroups_systemd_setting cgroups_detect_systemd(const char *exec)
+{
+ pid_t command_pid;
+ enum cgroups_systemd_setting retval = SYSTEMD_CGROUP_ERR;
+ char buf[MAXSIZE_PROC_CMDLINE];
+ char *begin, *end;
+
+ FILE *f = mypopen(exec, &command_pid);
+
+ if (!f)
+ return retval;
+
+ while (fgets(buf, MAXSIZE_PROC_CMDLINE, f) != NULL) {
+ if ((begin = strstr(buf, SYSTEMD_HIERARCHY_STRING))) {
+ end = begin = begin + strlen(SYSTEMD_HIERARCHY_STRING);
+ if (!*begin)
+ break;
+ while (isalpha(*end))
+ end++;
+ *end = 0;
+ for (int i = 0; cgroups_systemd_options[i].name; i++) {
+ if (!strcmp(begin, cgroups_systemd_options[i].name)) {
+ retval = cgroups_systemd_options[i].setting;
+ break;
+ }
+ }
+ break;
+ }
+ }
+
+ if (mypclose(f, command_pid))
+ return SYSTEMD_CGROUP_ERR;
+
+ return retval;
+}
+
+static enum cgroups_type cgroups_try_detect_version()
+{
+ pid_t command_pid;
+ char buf[MAXSIZE_PROC_CMDLINE];
+ enum cgroups_systemd_setting systemd_setting;
+ int cgroups2_available = 0;
+
+ // 1. check if cgroups2 availible on system at all
+ FILE *f = mypopen("grep cgroup /proc/filesystems", &command_pid);
+ if (!f) {
+ error("popen failed");
+ return CGROUPS_AUTODETECT_FAIL;
+ }
+ while (fgets(buf, MAXSIZE_PROC_CMDLINE, f) != NULL) {
+ if (strstr(buf, "cgroup2")) {
+ cgroups2_available = 1;
+ break;
+ }
+ }
+ if(mypclose(f, command_pid))
+ return CGROUPS_AUTODETECT_FAIL;
+
+ if(!cgroups2_available)
+ return CGROUPS_V1;
+
+ // 2. check systemd compiletime setting
+ if ((systemd_setting = cgroups_detect_systemd("systemd --version")) == SYSTEMD_CGROUP_ERR)
+ systemd_setting = cgroups_detect_systemd(SYSTEMD_CMD_RHEL);
+
+ if(systemd_setting == SYSTEMD_CGROUP_ERR)
+ return CGROUPS_AUTODETECT_FAIL;
+
+ if(systemd_setting == SYSTEMD_CGROUP_LEGACY || systemd_setting == SYSTEMD_CGROUP_HYBRID) {
+ // curently we prefer V1 if HYBRID is set as it seems to be more feature complete
+ // in the future we might want to continue here if SYSTEMD_CGROUP_HYBRID
+ // and go ahead with V2
+ return CGROUPS_V1;
+ }
+
+ // 3. if we are unified as on Fedora (default cgroups2 only mode)
+ // check kernel command line flag that can override that setting
+ f = fopen("/proc/cmdline", "r");
+ if (!f) {
+ error("Error reading kernel boot commandline parameters");
+ return CGROUPS_AUTODETECT_FAIL;
+ }
+
+ if (!fgets(buf, MAXSIZE_PROC_CMDLINE, f)) {
+ error("couldn't read all cmdline params into buffer");
+ fclose(f);
+ return CGROUPS_AUTODETECT_FAIL;
+ }
+
+ fclose(f);
+
+ if (strstr(buf, "systemd.unified_cgroup_hierarchy=0")) {
+ info("cgroups v2 (unified cgroups) is available but are disabled on this system.");
+ return CGROUPS_V1;
+ }
+ return CGROUPS_V2;
+}
+
+void read_cgroup_plugin_configuration() {
+ system_page_size = sysconf(_SC_PAGESIZE);
+
+ Read_hash = simple_hash("Read");
+ Write_hash = simple_hash("Write");
+ user_hash = simple_hash("user");
+ system_hash = simple_hash("system");
+
+ cgroup_update_every = (int)config_get_number("plugin:cgroups", "update every", localhost->rrd_update_every);
+ if(cgroup_update_every < localhost->rrd_update_every)
+ cgroup_update_every = localhost->rrd_update_every;
+
+ cgroup_check_for_new_every = (int)config_get_number("plugin:cgroups", "check for new cgroups every", (long long)cgroup_check_for_new_every * (long long)cgroup_update_every);
+ if(cgroup_check_for_new_every < cgroup_update_every)
+ cgroup_check_for_new_every = cgroup_update_every;
+
+ cgroup_use_unified_cgroups = config_get_boolean_ondemand("plugin:cgroups", "use unified cgroups", CONFIG_BOOLEAN_AUTO);
+ if(cgroup_use_unified_cgroups == CONFIG_BOOLEAN_AUTO)
+ cgroup_use_unified_cgroups = (cgroups_try_detect_version() == CGROUPS_V2);
+
+ info("use unified cgroups %s", cgroup_use_unified_cgroups ? "true" : "false");
+
+ cgroup_containers_chart_priority = (int)config_get_number("plugin:cgroups", "containers priority", cgroup_containers_chart_priority);
+ if(cgroup_containers_chart_priority < 1)
+ cgroup_containers_chart_priority = NETDATA_CHART_PRIO_CGROUPS_CONTAINERS;
+
+ cgroup_enable_cpuacct_stat = config_get_boolean_ondemand("plugin:cgroups", "enable cpuacct stat (total CPU)", cgroup_enable_cpuacct_stat);
+ cgroup_enable_cpuacct_usage = config_get_boolean_ondemand("plugin:cgroups", "enable cpuacct usage (per core CPU)", cgroup_enable_cpuacct_usage);
+
+ cgroup_enable_memory = config_get_boolean_ondemand("plugin:cgroups", "enable memory (used mem including cache)", cgroup_enable_memory);
+ cgroup_enable_detailed_memory = config_get_boolean_ondemand("plugin:cgroups", "enable detailed memory", cgroup_enable_detailed_memory);
+ cgroup_enable_memory_failcnt = config_get_boolean_ondemand("plugin:cgroups", "enable memory limits fail count", cgroup_enable_memory_failcnt);
+ cgroup_enable_swap = config_get_boolean_ondemand("plugin:cgroups", "enable swap memory", cgroup_enable_swap);
+
+ cgroup_enable_blkio_io = config_get_boolean_ondemand("plugin:cgroups", "enable blkio bandwidth", cgroup_enable_blkio_io);
+ cgroup_enable_blkio_ops = config_get_boolean_ondemand("plugin:cgroups", "enable blkio operations", cgroup_enable_blkio_ops);
+ cgroup_enable_blkio_throttle_io = config_get_boolean_ondemand("plugin:cgroups", "enable blkio throttle bandwidth", cgroup_enable_blkio_throttle_io);
+ cgroup_enable_blkio_throttle_ops = config_get_boolean_ondemand("plugin:cgroups", "enable blkio throttle operations", cgroup_enable_blkio_throttle_ops);
+ cgroup_enable_blkio_queued_ops = config_get_boolean_ondemand("plugin:cgroups", "enable blkio queued operations", cgroup_enable_blkio_queued_ops);
+ cgroup_enable_blkio_merged_ops = config_get_boolean_ondemand("plugin:cgroups", "enable blkio merged operations", cgroup_enable_blkio_merged_ops);
+
+ cgroup_enable_pressure_cpu = config_get_boolean_ondemand("plugin:cgroups", "enable cpu pressure", cgroup_enable_pressure_cpu);
+ cgroup_enable_pressure_io_some = config_get_boolean_ondemand("plugin:cgroups", "enable io some pressure", cgroup_enable_pressure_io_some);
+ cgroup_enable_pressure_io_full = config_get_boolean_ondemand("plugin:cgroups", "enable io full pressure", cgroup_enable_pressure_io_full);
+ cgroup_enable_pressure_memory_some = config_get_boolean_ondemand("plugin:cgroups", "enable memory some pressure", cgroup_enable_pressure_memory_some);
+ cgroup_enable_pressure_memory_full = config_get_boolean_ondemand("plugin:cgroups", "enable memory full pressure", cgroup_enable_pressure_memory_full);
+
+ cgroup_recheck_zero_blkio_every_iterations = (int)config_get_number("plugin:cgroups", "recheck zero blkio every iterations", cgroup_recheck_zero_blkio_every_iterations);
+ cgroup_recheck_zero_mem_failcnt_every_iterations = (int)config_get_number("plugin:cgroups", "recheck zero memory failcnt every iterations", cgroup_recheck_zero_mem_failcnt_every_iterations);
+ cgroup_recheck_zero_mem_detailed_every_iterations = (int)config_get_number("plugin:cgroups", "recheck zero detailed memory every iterations", cgroup_recheck_zero_mem_detailed_every_iterations);
+
+ cgroup_enable_systemd_services = config_get_boolean("plugin:cgroups", "enable systemd services", cgroup_enable_systemd_services);
+ cgroup_enable_systemd_services_detailed_memory = config_get_boolean("plugin:cgroups", "enable systemd services detailed memory", cgroup_enable_systemd_services_detailed_memory);
+ cgroup_used_memory_without_cache = config_get_boolean("plugin:cgroups", "report used memory without cache", cgroup_used_memory_without_cache);
+
+ char filename[FILENAME_MAX + 1], *s;
+ struct mountinfo *mi, *root = mountinfo_read(0);
+ if(!cgroup_use_unified_cgroups) {
+ // cgroup v1 does not have pressure metrics
+ cgroup_enable_pressure_cpu =
+ cgroup_enable_pressure_io_some =
+ cgroup_enable_pressure_io_full =
+ cgroup_enable_pressure_memory_some =
+ cgroup_enable_pressure_memory_full = CONFIG_BOOLEAN_NO;
+
+ mi = mountinfo_find_by_filesystem_super_option(root, "cgroup", "cpuacct");
+ if(!mi) mi = mountinfo_find_by_filesystem_mount_source(root, "cgroup", "cpuacct");
+ if(!mi) {
+ error("CGROUP: cannot find cpuacct mountinfo. Assuming default: /sys/fs/cgroup/cpuacct");
+ s = "/sys/fs/cgroup/cpuacct";
+ }
+ else s = mi->mount_point;
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, s);
+ cgroup_cpuacct_base = config_get("plugin:cgroups", "path to /sys/fs/cgroup/cpuacct", filename);
+
+ mi = mountinfo_find_by_filesystem_super_option(root, "cgroup", "cpuset");
+ if(!mi) mi = mountinfo_find_by_filesystem_mount_source(root, "cgroup", "cpuset");
+ if(!mi) {
+ error("CGROUP: cannot find cpuset mountinfo. Assuming default: /sys/fs/cgroup/cpuset");
+ s = "/sys/fs/cgroup/cpuset";
+ }
+ else s = mi->mount_point;
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, s);
+ cgroup_cpuset_base = config_get("plugin:cgroups", "path to /sys/fs/cgroup/cpuset", filename);
+
+ mi = mountinfo_find_by_filesystem_super_option(root, "cgroup", "blkio");
+ if(!mi) mi = mountinfo_find_by_filesystem_mount_source(root, "cgroup", "blkio");
+ if(!mi) {
+ error("CGROUP: cannot find blkio mountinfo. Assuming default: /sys/fs/cgroup/blkio");
+ s = "/sys/fs/cgroup/blkio";
+ }
+ else s = mi->mount_point;
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, s);
+ cgroup_blkio_base = config_get("plugin:cgroups", "path to /sys/fs/cgroup/blkio", filename);
+
+ mi = mountinfo_find_by_filesystem_super_option(root, "cgroup", "memory");
+ if(!mi) mi = mountinfo_find_by_filesystem_mount_source(root, "cgroup", "memory");
+ if(!mi) {
+ error("CGROUP: cannot find memory mountinfo. Assuming default: /sys/fs/cgroup/memory");
+ s = "/sys/fs/cgroup/memory";
+ }
+ else s = mi->mount_point;
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, s);
+ cgroup_memory_base = config_get("plugin:cgroups", "path to /sys/fs/cgroup/memory", filename);
+
+ mi = mountinfo_find_by_filesystem_super_option(root, "cgroup", "devices");
+ if(!mi) mi = mountinfo_find_by_filesystem_mount_source(root, "cgroup", "devices");
+ if(!mi) {
+ error("CGROUP: cannot find devices mountinfo. Assuming default: /sys/fs/cgroup/devices");
+ s = "/sys/fs/cgroup/devices";
+ }
+ else s = mi->mount_point;
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, s);
+ cgroup_devices_base = config_get("plugin:cgroups", "path to /sys/fs/cgroup/devices", filename);
+ }
+ else {
+ //cgroup_enable_cpuacct_stat =
+ cgroup_enable_cpuacct_usage =
+ //cgroup_enable_memory =
+ //cgroup_enable_detailed_memory =
+ cgroup_enable_memory_failcnt =
+ //cgroup_enable_swap =
+ //cgroup_enable_blkio_io =
+ //cgroup_enable_blkio_ops =
+ cgroup_enable_blkio_throttle_io =
+ cgroup_enable_blkio_throttle_ops =
+ cgroup_enable_blkio_merged_ops =
+ cgroup_enable_blkio_queued_ops = CONFIG_BOOLEAN_NO;
+ cgroup_search_in_devices = 0;
+ cgroup_enable_systemd_services_detailed_memory = CONFIG_BOOLEAN_NO;
+ cgroup_used_memory_without_cache = CONFIG_BOOLEAN_NO; //unified cgroups use different values
+
+ //TODO: can there be more than 1 cgroup2 mount point?
+ mi = mountinfo_find_by_filesystem_super_option(root, "cgroup2", "rw"); //there is no cgroup2 specific super option - for now use 'rw' option
+ if(mi) debug(D_CGROUP, "found unified cgroup root using super options, with path: '%s'", mi->mount_point);
+ if(!mi) {
+ mi = mountinfo_find_by_filesystem_mount_source(root, "cgroup2", "cgroup");
+ if(mi) debug(D_CGROUP, "found unified cgroup root using mountsource info, with path: '%s'", mi->mount_point);
+ }
+ if(!mi) {
+ error("CGROUP: cannot find cgroup2 mountinfo. Assuming default: /sys/fs/cgroup");
+ s = "/sys/fs/cgroup";
+ }
+ else s = mi->mount_point;
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, s);
+ cgroup_unified_base = config_get("plugin:cgroups", "path to unified cgroups", filename);
+ debug(D_CGROUP, "using cgroup root: '%s'", cgroup_unified_base);
+ }
+
+ cgroup_root_max = (int)config_get_number("plugin:cgroups", "max cgroups to allow", cgroup_root_max);
+ cgroup_max_depth = (int)config_get_number("plugin:cgroups", "max cgroups depth to monitor", cgroup_max_depth);
+
+ cgroup_enable_new_cgroups_detected_at_runtime = config_get_boolean("plugin:cgroups", "enable new cgroups detected at run time", cgroup_enable_new_cgroups_detected_at_runtime);
+
+ enabled_cgroup_patterns = simple_pattern_create(
+ config_get("plugin:cgroups", "enable by default cgroups matching",
+ // ----------------------------------------------------------------
+
+ " !*/init.scope " // ignore init.scope
+ " !/system.slice/run-*.scope " // ignore system.slice/run-XXXX.scope
+ " *.scope " // we need all other *.scope for sure
+
+ // ----------------------------------------------------------------
+
+ " /machine.slice/*.service " // #3367 systemd-nspawn
+ " /kubepods/pod*/* " // k8s containers
+ " /kubepods/*/pod*/* " // k8s containers
+
+ // ----------------------------------------------------------------
+
+ " !/kubepods* " // all other k8s cgroups
+ " !*/vcpu* " // libvirtd adds these sub-cgroups
+ " !*/emulator " // libvirtd adds these sub-cgroups
+ " !*.mount "
+ " !*.partition "
+ " !*.service "
+ " !*.socket "
+ " !*.slice "
+ " !*.swap "
+ " !*.user "
+ " !/ "
+ " !/docker "
+ " !/libvirt "
+ " !/lxc "
+ " !/lxc/*/* " // #1397 #2649
+ " !/lxc.monitor* "
+ " !/lxc.pivot "
+ " !/lxc.payload "
+ " !/machine "
+ " !/qemu "
+ " !/system "
+ " !/systemd "
+ " !/user "
+ " * " // enable anything else
+ ), NULL, SIMPLE_PATTERN_EXACT);
+
+ enabled_cgroup_paths = simple_pattern_create(
+ config_get("plugin:cgroups", "search for cgroups in subpaths matching",
+ " !*/init.scope " // ignore init.scope
+ " !*-qemu " // #345
+ " !*.libvirt-qemu " // #3010
+ " !/init.scope "
+ " !/system "
+ " !/systemd "
+ " !/user "
+ " !/user.slice "
+ " !/lxc/*/* " // #2161 #2649
+ " !/lxc.monitor "
+ " !/lxc.payload/*/* "
+ " !/lxc.payload.* "
+ " * "
+ ), NULL, SIMPLE_PATTERN_EXACT);
+
+ snprintfz(filename, FILENAME_MAX, "%s/cgroup-name.sh", netdata_configured_primary_plugins_dir);
+ cgroups_rename_script = config_get("plugin:cgroups", "script to get cgroup names", filename);
+
+ snprintfz(filename, FILENAME_MAX, "%s/cgroup-network", netdata_configured_primary_plugins_dir);
+ cgroups_network_interface_script = config_get("plugin:cgroups", "script to get cgroup network interfaces", filename);
+
+ enabled_cgroup_renames = simple_pattern_create(
+ config_get("plugin:cgroups", "run script to rename cgroups matching",
+ " !/ "
+ " !*.mount "
+ " !*.socket "
+ " !*.partition "
+ " /machine.slice/*.service " // #3367 systemd-nspawn
+ " !*.service "
+ " !*.slice "
+ " !*.swap "
+ " !*.user "
+ " !init.scope "
+ " !*.scope/vcpu* " // libvirtd adds these sub-cgroups
+ " !*.scope/emulator " // libvirtd adds these sub-cgroups
+ " *.scope "
+ " *docker* "
+ " *lxc* "
+ " *qemu* "
+ " *kubepods* " // #3396 kubernetes
+ " *.libvirt-qemu " // #3010
+ " * "
+ ), NULL, SIMPLE_PATTERN_EXACT);
+
+ if(cgroup_enable_systemd_services) {
+ systemd_services_cgroups = simple_pattern_create(
+ config_get("plugin:cgroups", "cgroups to match as systemd services",
+ " !/system.slice/*/*.service "
+ " /system.slice/*.service "
+ ), NULL, SIMPLE_PATTERN_EXACT);
+ }
+
+ mountinfo_free_all(root);
+}
+
+// ----------------------------------------------------------------------------
+// cgroup objects
+
+struct blkio {
+ int updated;
+ int enabled; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+ int delay_counter;
+
+ char *filename;
+
+ unsigned long long Read;
+ unsigned long long Write;
+/*
+ unsigned long long Sync;
+ unsigned long long Async;
+ unsigned long long Total;
+*/
+};
+
+// https://www.kernel.org/doc/Documentation/cgroup-v1/memory.txt
+struct memory {
+ ARL_BASE *arl_base;
+ ARL_ENTRY *arl_dirty;
+ ARL_ENTRY *arl_swap;
+
+ int updated_detailed;
+ int updated_usage_in_bytes;
+ int updated_msw_usage_in_bytes;
+ int updated_failcnt;
+
+ int enabled_detailed; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+ int enabled_usage_in_bytes; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+ int enabled_msw_usage_in_bytes; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+ int enabled_failcnt; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+
+ int delay_counter_detailed;
+ int delay_counter_failcnt;
+
+ char *filename_detailed;
+ char *filename_usage_in_bytes;
+ char *filename_msw_usage_in_bytes;
+ char *filename_failcnt;
+
+ int detailed_has_dirty;
+ int detailed_has_swap;
+
+ // detailed metrics
+/*
+ unsigned long long cache;
+ unsigned long long rss;
+ unsigned long long rss_huge;
+ unsigned long long mapped_file;
+ unsigned long long writeback;
+ unsigned long long dirty;
+ unsigned long long swap;
+ unsigned long long pgpgin;
+ unsigned long long pgpgout;
+ unsigned long long pgfault;
+ unsigned long long pgmajfault;
+ unsigned long long inactive_anon;
+ unsigned long long active_anon;
+ unsigned long long inactive_file;
+ unsigned long long active_file;
+ unsigned long long unevictable;
+ unsigned long long hierarchical_memory_limit;
+*/
+ //unified cgroups metrics
+ unsigned long long anon;
+ unsigned long long kernel_stack;
+ unsigned long long slab;
+ unsigned long long sock;
+ unsigned long long shmem;
+ unsigned long long anon_thp;
+ //unsigned long long file_writeback;
+ //unsigned long long file_dirty;
+ //unsigned long long file;
+
+ unsigned long long total_cache;
+ unsigned long long total_rss;
+ unsigned long long total_rss_huge;
+ unsigned long long total_mapped_file;
+ unsigned long long total_writeback;
+ unsigned long long total_dirty;
+ unsigned long long total_swap;
+ unsigned long long total_pgpgin;
+ unsigned long long total_pgpgout;
+ unsigned long long total_pgfault;
+ unsigned long long total_pgmajfault;
+/*
+ unsigned long long total_inactive_anon;
+ unsigned long long total_active_anon;
+ unsigned long long total_inactive_file;
+ unsigned long long total_active_file;
+ unsigned long long total_unevictable;
+*/
+
+ // single file metrics
+ unsigned long long usage_in_bytes;
+ unsigned long long msw_usage_in_bytes;
+ unsigned long long failcnt;
+};
+
+// https://www.kernel.org/doc/Documentation/cgroup-v1/cpuacct.txt
+struct cpuacct_stat {
+ int updated;
+ int enabled; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+
+ char *filename;
+
+ unsigned long long user;
+ unsigned long long system;
+};
+
+// https://www.kernel.org/doc/Documentation/cgroup-v1/cpuacct.txt
+struct cpuacct_usage {
+ int updated;
+ int enabled; // CONFIG_BOOLEAN_YES or CONFIG_BOOLEAN_AUTO
+
+ char *filename;
+
+ unsigned int cpus;
+ unsigned long long *cpu_percpu;
+};
+
+struct cgroup_network_interface {
+ const char *host_device;
+ const char *container_device;
+ struct cgroup_network_interface *next;
+};
+
+#define CGROUP_OPTIONS_DISABLED_DUPLICATE 0x00000001
+#define CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE 0x00000002
+#define CGROUP_OPTIONS_IS_UNIFIED 0x00000004
+
+// *** WARNING *** The fields are not thread safe. Take care of safe usage.
+struct cgroup {
+ uint32_t options;
+
+ char available; // found in the filesystem
+ char enabled; // enabled in the config
+
+ char pending_renames;
+
+ char *id;
+ uint32_t hash;
+
+ char *chart_id;
+ uint32_t hash_chart;
+
+ char *chart_title;
+
+ struct label *chart_labels;
+
+ struct cpuacct_stat cpuacct_stat;
+ struct cpuacct_usage cpuacct_usage;
+
+ struct memory memory;
+
+ struct blkio io_service_bytes; // bytes
+ struct blkio io_serviced; // operations
+
+ struct blkio throttle_io_service_bytes; // bytes
+ struct blkio throttle_io_serviced; // operations
+
+ struct blkio io_merged; // operations
+ struct blkio io_queued; // operations
+
+ struct cgroup_network_interface *interfaces;
+
+ struct pressure cpu_pressure;
+ struct pressure io_pressure;
+ struct pressure memory_pressure;
+
+ // per cgroup charts
+ RRDSET *st_cpu;
+ RRDSET *st_cpu_limit;
+ RRDSET *st_cpu_per_core;
+ RRDSET *st_mem;
+ RRDSET *st_writeback;
+ RRDSET *st_mem_activity;
+ RRDSET *st_pgfaults;
+ RRDSET *st_mem_usage;
+ RRDSET *st_mem_usage_limit;
+ RRDSET *st_mem_failcnt;
+ RRDSET *st_io;
+ RRDSET *st_serviced_ops;
+ RRDSET *st_throttle_io;
+ RRDSET *st_throttle_serviced_ops;
+ RRDSET *st_queued_ops;
+ RRDSET *st_merged_ops;
+
+ // per cgroup chart variables
+ char *filename_cpuset_cpus;
+ unsigned long long cpuset_cpus;
+
+ char *filename_cpu_cfs_period;
+ unsigned long long cpu_cfs_period;
+
+ char *filename_cpu_cfs_quota;
+ unsigned long long cpu_cfs_quota;
+
+ RRDSETVAR *chart_var_cpu_limit;
+ calculated_number prev_cpu_usage;
+
+ char *filename_memory_limit;
+ unsigned long long memory_limit;
+ RRDSETVAR *chart_var_memory_limit;
+
+ char *filename_memoryswap_limit;
+ unsigned long long memoryswap_limit;
+ RRDSETVAR *chart_var_memoryswap_limit;
+
+ // services
+ RRDDIM *rd_cpu;
+ RRDDIM *rd_mem_usage;
+ RRDDIM *rd_mem_failcnt;
+ RRDDIM *rd_swap_usage;
+
+ RRDDIM *rd_mem_detailed_cache;
+ RRDDIM *rd_mem_detailed_rss;
+ RRDDIM *rd_mem_detailed_mapped;
+ RRDDIM *rd_mem_detailed_writeback;
+ RRDDIM *rd_mem_detailed_pgpgin;
+ RRDDIM *rd_mem_detailed_pgpgout;
+ RRDDIM *rd_mem_detailed_pgfault;
+ RRDDIM *rd_mem_detailed_pgmajfault;
+
+ RRDDIM *rd_io_service_bytes_read;
+ RRDDIM *rd_io_serviced_read;
+ RRDDIM *rd_throttle_io_read;
+ RRDDIM *rd_throttle_io_serviced_read;
+ RRDDIM *rd_io_queued_read;
+ RRDDIM *rd_io_merged_read;
+
+ RRDDIM *rd_io_service_bytes_write;
+ RRDDIM *rd_io_serviced_write;
+ RRDDIM *rd_throttle_io_write;
+ RRDDIM *rd_throttle_io_serviced_write;
+ RRDDIM *rd_io_queued_write;
+ RRDDIM *rd_io_merged_write;
+
+ struct cgroup *next;
+ struct cgroup *discovered_next;
+
+} *cgroup_root = NULL;
+
+uv_mutex_t cgroup_root_mutex;
+
+struct cgroup *discovered_cgroup_root = NULL;
+
+struct discovery_thread {
+ uv_thread_t thread;
+ uv_mutex_t mutex;
+ uv_cond_t cond_var;
+ int start_discovery;
+ int exited;
+} discovery_thread;
+
+// ----------------------------------------------------------------------------
+// read values from /sys
+
+static inline void cgroup_read_cpuacct_stat(struct cpuacct_stat *cp) {
+ static procfile *ff = NULL;
+
+ if(likely(cp->filename)) {
+ ff = procfile_reopen(ff, cp->filename, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ cp->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ cp->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ unsigned long i, lines = procfile_lines(ff);
+
+ if(unlikely(lines < 1)) {
+ error("CGROUP: file '%s' should have 1+ lines.", cp->filename);
+ cp->updated = 0;
+ return;
+ }
+
+ for(i = 0; i < lines ; i++) {
+ char *s = procfile_lineword(ff, i, 0);
+ uint32_t hash = simple_hash(s);
+
+ if(unlikely(hash == user_hash && !strcmp(s, "user")))
+ cp->user = str2ull(procfile_lineword(ff, i, 1));
+
+ else if(unlikely(hash == system_hash && !strcmp(s, "system")))
+ cp->system = str2ull(procfile_lineword(ff, i, 1));
+ }
+
+ cp->updated = 1;
+
+ if(unlikely(cp->enabled == CONFIG_BOOLEAN_AUTO &&
+ (cp->user || cp->system || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
+ cp->enabled = CONFIG_BOOLEAN_YES;
+ }
+}
+
+static inline void cgroup2_read_cpuacct_stat(struct cpuacct_stat *cp) {
+ static procfile *ff = NULL;
+
+ if(likely(cp->filename)) {
+ ff = procfile_reopen(ff, cp->filename, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ cp->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ cp->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ unsigned long lines = procfile_lines(ff);
+
+ if(unlikely(lines < 3)) {
+ error("CGROUP: file '%s' should have 3+ lines.", cp->filename);
+ cp->updated = 0;
+ return;
+ }
+
+ cp->user = str2ull(procfile_lineword(ff, 1, 1));
+ cp->system = str2ull(procfile_lineword(ff, 2, 1));
+
+ cp->updated = 1;
+
+ if(unlikely(cp->enabled == CONFIG_BOOLEAN_AUTO &&
+ (cp->user || cp->system || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
+ cp->enabled = CONFIG_BOOLEAN_YES;
+ }
+}
+
+static inline void cgroup_read_cpuacct_usage(struct cpuacct_usage *ca) {
+ static procfile *ff = NULL;
+
+ if(likely(ca->filename)) {
+ ff = procfile_reopen(ff, ca->filename, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ ca->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ ca->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ if(unlikely(procfile_lines(ff) < 1)) {
+ error("CGROUP: file '%s' should have 1+ lines but has %zu.", ca->filename, procfile_lines(ff));
+ ca->updated = 0;
+ return;
+ }
+
+ unsigned long i = procfile_linewords(ff, 0);
+ if(unlikely(i == 0)) {
+ ca->updated = 0;
+ return;
+ }
+
+ // we may have 1 more CPU reported
+ while(i > 0) {
+ char *s = procfile_lineword(ff, 0, i - 1);
+ if(!*s) i--;
+ else break;
+ }
+
+ if(unlikely(i != ca->cpus)) {
+ freez(ca->cpu_percpu);
+ ca->cpu_percpu = mallocz(sizeof(unsigned long long) * i);
+ ca->cpus = (unsigned int)i;
+ }
+
+ unsigned long long total = 0;
+ for(i = 0; i < ca->cpus ;i++) {
+ unsigned long long n = str2ull(procfile_lineword(ff, 0, i));
+ ca->cpu_percpu[i] = n;
+ total += n;
+ }
+
+ ca->updated = 1;
+
+ if(unlikely(ca->enabled == CONFIG_BOOLEAN_AUTO &&
+ (total || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
+ ca->enabled = CONFIG_BOOLEAN_YES;
+ }
+}
+
+static inline void cgroup_read_blkio(struct blkio *io) {
+ if(unlikely(io->enabled == CONFIG_BOOLEAN_AUTO && io->delay_counter > 0)) {
+ io->delay_counter--;
+ return;
+ }
+
+ if(likely(io->filename)) {
+ static procfile *ff = NULL;
+
+ ff = procfile_reopen(ff, io->filename, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ io->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ io->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ unsigned long i, lines = procfile_lines(ff);
+
+ if(unlikely(lines < 1)) {
+ error("CGROUP: file '%s' should have 1+ lines.", io->filename);
+ io->updated = 0;
+ return;
+ }
+
+ io->Read = 0;
+ io->Write = 0;
+/*
+ io->Sync = 0;
+ io->Async = 0;
+ io->Total = 0;
+*/
+
+ for(i = 0; i < lines ; i++) {
+ char *s = procfile_lineword(ff, i, 1);
+ uint32_t hash = simple_hash(s);
+
+ if(unlikely(hash == Read_hash && !strcmp(s, "Read")))
+ io->Read += str2ull(procfile_lineword(ff, i, 2));
+
+ else if(unlikely(hash == Write_hash && !strcmp(s, "Write")))
+ io->Write += str2ull(procfile_lineword(ff, i, 2));
+
+/*
+ else if(unlikely(hash == Sync_hash && !strcmp(s, "Sync")))
+ io->Sync += str2ull(procfile_lineword(ff, i, 2));
+
+ else if(unlikely(hash == Async_hash && !strcmp(s, "Async")))
+ io->Async += str2ull(procfile_lineword(ff, i, 2));
+
+ else if(unlikely(hash == Total_hash && !strcmp(s, "Total")))
+ io->Total += str2ull(procfile_lineword(ff, i, 2));
+*/
+ }
+
+ io->updated = 1;
+
+ if(unlikely(io->enabled == CONFIG_BOOLEAN_AUTO)) {
+ if(unlikely(io->Read || io->Write || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))
+ io->enabled = CONFIG_BOOLEAN_YES;
+ else
+ io->delay_counter = cgroup_recheck_zero_blkio_every_iterations;
+ }
+ }
+}
+
+static inline void cgroup2_read_blkio(struct blkio *io, unsigned int word_offset) {
+ if(unlikely(io->enabled == CONFIG_BOOLEAN_AUTO && io->delay_counter > 0)) {
+ io->delay_counter--;
+ return;
+ }
+
+ if(likely(io->filename)) {
+ static procfile *ff = NULL;
+
+ ff = procfile_reopen(ff, io->filename, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ io->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ io->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ unsigned long i, lines = procfile_lines(ff);
+
+ if (unlikely(lines < 1)) {
+ error("CGROUP: file '%s' should have 1+ lines.", io->filename);
+ io->updated = 0;
+ return;
+ }
+
+ io->Read = 0;
+ io->Write = 0;
+
+ for (i = 0; i < lines; i++) {
+ io->Read += str2ull(procfile_lineword(ff, i, 2 + word_offset));
+ io->Write += str2ull(procfile_lineword(ff, i, 4 + word_offset));
+ }
+
+ io->updated = 1;
+
+ if(unlikely(io->enabled == CONFIG_BOOLEAN_AUTO)) {
+ if(unlikely(io->Read || io->Write || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))
+ io->enabled = CONFIG_BOOLEAN_YES;
+ else
+ io->delay_counter = cgroup_recheck_zero_blkio_every_iterations;
+ }
+ }
+}
+
+static inline void cgroup2_read_pressure(struct pressure *res) {
+ static procfile *ff = NULL;
+
+ if (likely(res->filename)) {
+ ff = procfile_reopen(ff, res->filename, " =", PROCFILE_FLAG_DEFAULT);
+ if (unlikely(!ff)) {
+ res->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ ff = procfile_readall(ff);
+ if (unlikely(!ff)) {
+ res->updated = 0;
+ cgroups_check = 1;
+ return;
+ }
+
+ size_t lines = procfile_lines(ff);
+ if (lines < 1) {
+ error("CGROUP: file '%s' should have 1+ lines.", res->filename);
+ res->updated = 0;
+ return;
+ }
+
+ res->some.value10 = strtod(procfile_lineword(ff, 0, 2), NULL);
+ res->some.value60 = strtod(procfile_lineword(ff, 0, 4), NULL);
+ res->some.value300 = strtod(procfile_lineword(ff, 0, 6), NULL);
+
+ if (lines > 2) {
+ res->full.value10 = strtod(procfile_lineword(ff, 1, 2), NULL);
+ res->full.value60 = strtod(procfile_lineword(ff, 1, 4), NULL);
+ res->full.value300 = strtod(procfile_lineword(ff, 1, 6), NULL);
+ }
+
+ res->updated = 1;
+
+ if (unlikely(res->some.enabled == CONFIG_BOOLEAN_AUTO)) {
+ res->some.enabled = CONFIG_BOOLEAN_YES;
+ if (lines > 2) {
+ res->full.enabled = CONFIG_BOOLEAN_YES;
+ } else {
+ res->full.enabled = CONFIG_BOOLEAN_NO;
+ }
+ }
+ }
+}
+
+static inline void cgroup_read_memory(struct memory *mem, char parent_cg_is_unified) {
+ static procfile *ff = NULL;
+
+ // read detailed ram usage
+ if(likely(mem->filename_detailed)) {
+ if(unlikely(mem->enabled_detailed == CONFIG_BOOLEAN_AUTO && mem->delay_counter_detailed > 0)) {
+ mem->delay_counter_detailed--;
+ goto memory_next;
+ }
+
+ ff = procfile_reopen(ff, mem->filename_detailed, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ mem->updated_detailed = 0;
+ cgroups_check = 1;
+ goto memory_next;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ mem->updated_detailed = 0;
+ cgroups_check = 1;
+ goto memory_next;
+ }
+
+ unsigned long i, lines = procfile_lines(ff);
+
+ if(unlikely(lines < 1)) {
+ error("CGROUP: file '%s' should have 1+ lines.", mem->filename_detailed);
+ mem->updated_detailed = 0;
+ goto memory_next;
+ }
+
+
+ if(unlikely(!mem->arl_base)) {
+ if(parent_cg_is_unified == 0){
+ mem->arl_base = arl_create("cgroup/memory", NULL, 60);
+
+ arl_expect(mem->arl_base, "total_cache", &mem->total_cache);
+ arl_expect(mem->arl_base, "total_rss", &mem->total_rss);
+ arl_expect(mem->arl_base, "total_rss_huge", &mem->total_rss_huge);
+ arl_expect(mem->arl_base, "total_mapped_file", &mem->total_mapped_file);
+ arl_expect(mem->arl_base, "total_writeback", &mem->total_writeback);
+ mem->arl_dirty = arl_expect(mem->arl_base, "total_dirty", &mem->total_dirty);
+ mem->arl_swap = arl_expect(mem->arl_base, "total_swap", &mem->total_swap);
+ arl_expect(mem->arl_base, "total_pgpgin", &mem->total_pgpgin);
+ arl_expect(mem->arl_base, "total_pgpgout", &mem->total_pgpgout);
+ arl_expect(mem->arl_base, "total_pgfault", &mem->total_pgfault);
+ arl_expect(mem->arl_base, "total_pgmajfault", &mem->total_pgmajfault);
+ } else {
+ mem->arl_base = arl_create("cgroup/memory", NULL, 60);
+
+ arl_expect(mem->arl_base, "anon", &mem->anon);
+ arl_expect(mem->arl_base, "kernel_stack", &mem->kernel_stack);
+ arl_expect(mem->arl_base, "slab", &mem->slab);
+ arl_expect(mem->arl_base, "sock", &mem->sock);
+ arl_expect(mem->arl_base, "anon_thp", &mem->anon_thp);
+ arl_expect(mem->arl_base, "file", &mem->total_mapped_file);
+ arl_expect(mem->arl_base, "file_writeback", &mem->total_writeback);
+ mem->arl_dirty = arl_expect(mem->arl_base, "file_dirty", &mem->total_dirty);
+ arl_expect(mem->arl_base, "pgfault", &mem->total_pgfault);
+ arl_expect(mem->arl_base, "pgmajfault", &mem->total_pgmajfault);
+ }
+ }
+
+ arl_begin(mem->arl_base);
+
+ for(i = 0; i < lines ; i++) {
+ if(arl_check(mem->arl_base,
+ procfile_lineword(ff, i, 0),
+ procfile_lineword(ff, i, 1))) break;
+ }
+
+ if(unlikely(mem->arl_dirty->flags & ARL_ENTRY_FLAG_FOUND))
+ mem->detailed_has_dirty = 1;
+
+ if(unlikely(parent_cg_is_unified == 0 && mem->arl_swap->flags & ARL_ENTRY_FLAG_FOUND))
+ mem->detailed_has_swap = 1;
+
+ // fprintf(stderr, "READ: '%s', cache: %llu, rss: %llu, rss_huge: %llu, mapped_file: %llu, writeback: %llu, dirty: %llu, swap: %llu, pgpgin: %llu, pgpgout: %llu, pgfault: %llu, pgmajfault: %llu, inactive_anon: %llu, active_anon: %llu, inactive_file: %llu, active_file: %llu, unevictable: %llu, hierarchical_memory_limit: %llu, total_cache: %llu, total_rss: %llu, total_rss_huge: %llu, total_mapped_file: %llu, total_writeback: %llu, total_dirty: %llu, total_swap: %llu, total_pgpgin: %llu, total_pgpgout: %llu, total_pgfault: %llu, total_pgmajfault: %llu, total_inactive_anon: %llu, total_active_anon: %llu, total_inactive_file: %llu, total_active_file: %llu, total_unevictable: %llu\n", mem->filename, mem->cache, mem->rss, mem->rss_huge, mem->mapped_file, mem->writeback, mem->dirty, mem->swap, mem->pgpgin, mem->pgpgout, mem->pgfault, mem->pgmajfault, mem->inactive_anon, mem->active_anon, mem->inactive_file, mem->active_file, mem->unevictable, mem->hierarchical_memory_limit, mem->total_cache, mem->total_rss, mem->total_rss_huge, mem->total_mapped_file, mem->total_writeback, mem->total_dirty, mem->total_swap, mem->total_pgpgin, mem->total_pgpgout, mem->total_pgfault, mem->total_pgmajfault, mem->total_inactive_anon, mem->total_active_anon, mem->total_inactive_file, mem->total_active_file, mem->total_unevictable);
+
+ mem->updated_detailed = 1;
+
+ if(unlikely(mem->enabled_detailed == CONFIG_BOOLEAN_AUTO)) {
+ if(( (!parent_cg_is_unified) && ( mem->total_cache || mem->total_dirty || mem->total_rss || mem->total_rss_huge || mem->total_mapped_file || mem->total_writeback
+ || mem->total_swap || mem->total_pgpgin || mem->total_pgpgout || mem->total_pgfault || mem->total_pgmajfault))
+ || (parent_cg_is_unified && ( mem->anon || mem->total_dirty || mem->kernel_stack || mem->slab || mem->sock || mem->total_writeback
+ || mem->anon_thp || mem->total_pgfault || mem->total_pgmajfault))
+ || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)
+ mem->enabled_detailed = CONFIG_BOOLEAN_YES;
+ else
+ mem->delay_counter_detailed = cgroup_recheck_zero_mem_detailed_every_iterations;
+ }
+ }
+
+memory_next:
+
+ // read usage_in_bytes
+ if(likely(mem->filename_usage_in_bytes)) {
+ mem->updated_usage_in_bytes = !read_single_number_file(mem->filename_usage_in_bytes, &mem->usage_in_bytes);
+ if(unlikely(mem->updated_usage_in_bytes && mem->enabled_usage_in_bytes == CONFIG_BOOLEAN_AUTO &&
+ (mem->usage_in_bytes || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
+ mem->enabled_usage_in_bytes = CONFIG_BOOLEAN_YES;
+ }
+
+ // read msw_usage_in_bytes
+ if(likely(mem->filename_msw_usage_in_bytes)) {
+ mem->updated_msw_usage_in_bytes = !read_single_number_file(mem->filename_msw_usage_in_bytes, &mem->msw_usage_in_bytes);
+ if(unlikely(mem->updated_msw_usage_in_bytes && mem->enabled_msw_usage_in_bytes == CONFIG_BOOLEAN_AUTO &&
+ (mem->msw_usage_in_bytes || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES)))
+ mem->enabled_msw_usage_in_bytes = CONFIG_BOOLEAN_YES;
+ }
+
+ // read failcnt
+ if(likely(mem->filename_failcnt)) {
+ if(unlikely(mem->enabled_failcnt == CONFIG_BOOLEAN_AUTO && mem->delay_counter_failcnt > 0)) {
+ mem->updated_failcnt = 0;
+ mem->delay_counter_failcnt--;
+ }
+ else {
+ mem->updated_failcnt = !read_single_number_file(mem->filename_failcnt, &mem->failcnt);
+ if(unlikely(mem->updated_failcnt && mem->enabled_failcnt == CONFIG_BOOLEAN_AUTO)) {
+ if(unlikely(mem->failcnt || netdata_zero_metrics_enabled == CONFIG_BOOLEAN_YES))
+ mem->enabled_failcnt = CONFIG_BOOLEAN_YES;
+ else
+ mem->delay_counter_failcnt = cgroup_recheck_zero_mem_failcnt_every_iterations;
+ }
+ }
+ }
+}
+
+static inline void cgroup_read(struct cgroup *cg) {
+ debug(D_CGROUP, "reading metrics for cgroups '%s'", cg->id);
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ cgroup_read_cpuacct_stat(&cg->cpuacct_stat);
+ cgroup_read_cpuacct_usage(&cg->cpuacct_usage);
+ cgroup_read_memory(&cg->memory, 0);
+ cgroup_read_blkio(&cg->io_service_bytes);
+ cgroup_read_blkio(&cg->io_serviced);
+ cgroup_read_blkio(&cg->throttle_io_service_bytes);
+ cgroup_read_blkio(&cg->throttle_io_serviced);
+ cgroup_read_blkio(&cg->io_merged);
+ cgroup_read_blkio(&cg->io_queued);
+ }
+ else {
+ //TODO: io_service_bytes and io_serviced use same file merge into 1 function
+ cgroup2_read_blkio(&cg->io_service_bytes, 0);
+ cgroup2_read_blkio(&cg->io_serviced, 4);
+ cgroup2_read_cpuacct_stat(&cg->cpuacct_stat);
+ cgroup2_read_pressure(&cg->cpu_pressure);
+ cgroup2_read_pressure(&cg->io_pressure);
+ cgroup2_read_pressure(&cg->memory_pressure);
+ cgroup_read_memory(&cg->memory, 1);
+ }
+}
+
+static inline void read_all_cgroups(struct cgroup *root) {
+ debug(D_CGROUP, "reading metrics for all cgroups");
+
+ struct cgroup *cg;
+
+ for(cg = root; cg ; cg = cg->next)
+ if(cg->enabled && !cg->pending_renames)
+ cgroup_read(cg);
+}
+
+// ----------------------------------------------------------------------------
+// cgroup network interfaces
+
+#define CGROUP_NETWORK_INTERFACE_MAX_LINE 2048
+static inline void read_cgroup_network_interfaces(struct cgroup *cg) {
+ debug(D_CGROUP, "looking for the network interfaces of cgroup '%s' with chart id '%s' and title '%s'", cg->id, cg->chart_id, cg->chart_title);
+
+ pid_t cgroup_pid;
+ char command[CGROUP_NETWORK_INTERFACE_MAX_LINE + 1];
+
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ snprintfz(command, CGROUP_NETWORK_INTERFACE_MAX_LINE, "exec %s --cgroup '%s%s'", cgroups_network_interface_script, cgroup_cpuacct_base, cg->id);
+ }
+ else {
+ snprintfz(command, CGROUP_NETWORK_INTERFACE_MAX_LINE, "exec %s --cgroup '%s%s'", cgroups_network_interface_script, cgroup_unified_base, cg->id);
+ }
+
+ debug(D_CGROUP, "executing command '%s' for cgroup '%s'", command, cg->id);
+ FILE *fp = mypopen(command, &cgroup_pid);
+ if(!fp) {
+ error("CGROUP: cannot popen(\"%s\", \"r\").", command);
+ return;
+ }
+
+ char *s;
+ char buffer[CGROUP_NETWORK_INTERFACE_MAX_LINE + 1];
+ while((s = fgets(buffer, CGROUP_NETWORK_INTERFACE_MAX_LINE, fp))) {
+ trim(s);
+
+ if(*s && *s != '\n') {
+ char *t = s;
+ while(*t && *t != ' ') t++;
+ if(*t == ' ') {
+ *t = '\0';
+ t++;
+ }
+
+ if(!*s) {
+ error("CGROUP: empty host interface returned by script");
+ continue;
+ }
+
+ if(!*t) {
+ error("CGROUP: empty guest interface returned by script");
+ continue;
+ }
+
+ struct cgroup_network_interface *i = callocz(1, sizeof(struct cgroup_network_interface));
+ i->host_device = strdupz(s);
+ i->container_device = strdupz(t);
+ i->next = cg->interfaces;
+ cg->interfaces = i;
+
+ info("CGROUP: cgroup '%s' has network interface '%s' as '%s'", cg->id, i->host_device, i->container_device);
+
+ // register a device rename to proc_net_dev.c
+ netdev_rename_device_add(i->host_device, i->container_device, cg->chart_id, cg->chart_labels);
+ }
+ }
+
+ mypclose(fp, cgroup_pid);
+ // debug(D_CGROUP, "closed command for cgroup '%s'", cg->id);
+}
+
+static inline void free_cgroup_network_interfaces(struct cgroup *cg) {
+ while(cg->interfaces) {
+ struct cgroup_network_interface *i = cg->interfaces;
+ cg->interfaces = i->next;
+
+ // delete the registration of proc_net_dev rename
+ netdev_rename_device_del(i->host_device);
+
+ freez((void *)i->host_device);
+ freez((void *)i->container_device);
+ freez((void *)i);
+ }
+}
+
+// ----------------------------------------------------------------------------
+// add/remove/find cgroup objects
+
+#define CGROUP_CHARTID_LINE_MAX 1024
+
+static inline char *cgroup_title_strdupz(const char *s) {
+ if(!s || !*s) s = "/";
+
+ if(*s == '/' && s[1] != '\0') s++;
+
+ char *r = strdupz(s);
+ netdata_fix_chart_name(r);
+
+ return r;
+}
+
+static inline char *cgroup_chart_id_strdupz(const char *s) {
+ if(!s || !*s) s = "/";
+
+ if(*s == '/' && s[1] != '\0') s++;
+
+ char *r = strdupz(s);
+ netdata_fix_chart_id(r);
+
+ return r;
+}
+
+char *parse_k8s_data(struct label **labels, char *data)
+{
+ char *name = mystrsep(&data, " ");
+
+ if (!data) {
+ return name;
+ }
+
+ while (data) {
+ char *key = mystrsep(&data, "=");
+
+ char *value;
+ if (data && *data == ',') {
+ value = "";
+ *data++ = '\0';
+ } else {
+ value = mystrsep(&data, ",");
+ }
+ value = strip_double_quotes(value, 1);
+
+ if (!key || *key == '\0' || !value || *value == '\0')
+ continue;
+
+ *labels = add_label_to_list(*labels, key, value, LABEL_SOURCE_KUBERNETES);
+ }
+
+ return name;
+}
+
+static inline void cgroup_get_chart_name(struct cgroup *cg) {
+ debug(D_CGROUP, "looking for the name of cgroup '%s' with chart id '%s' and title '%s'", cg->id, cg->chart_id, cg->chart_title);
+
+ pid_t cgroup_pid;
+ char command[CGROUP_CHARTID_LINE_MAX + 1];
+
+ snprintfz(command, CGROUP_CHARTID_LINE_MAX, "exec %s '%s'", cgroups_rename_script, cg->chart_id);
+
+ debug(D_CGROUP, "executing command \"%s\" for cgroup '%s'", command, cg->chart_id);
+ FILE *fp = mypopen(command, &cgroup_pid);
+ if(fp) {
+ // debug(D_CGROUP, "reading from command '%s' for cgroup '%s'", command, cg->id);
+ char buffer[CGROUP_CHARTID_LINE_MAX + 1];
+ char *s = fgets(buffer, CGROUP_CHARTID_LINE_MAX, fp);
+ // debug(D_CGROUP, "closing command for cgroup '%s'", cg->id);
+ int name_error = mypclose(fp, cgroup_pid);
+ // debug(D_CGROUP, "closed command for cgroup '%s'", cg->id);
+
+ if(s && *s && *s != '\n') {
+ debug(D_CGROUP, "cgroup '%s' should be renamed to '%s'", cg->chart_id, s);
+
+ s = trim(s);
+ if (s) {
+ if(likely(name_error==0))
+ cg->pending_renames = 0;
+ else if (unlikely(name_error==3)) {
+ debug(D_CGROUP, "cgroup '%s' disabled based due to rename command output", cg->chart_id);
+ cg->enabled = 0;
+ }
+
+ if (likely(cg->pending_renames < 2)) {
+ char *name = s;
+
+ if (!strncmp(s, "k8s_", 4)) {
+ free_label_list(cg->chart_labels);
+ name = parse_k8s_data(&cg->chart_labels, s);
+ }
+
+ freez(cg->chart_title);
+ cg->chart_title = cgroup_title_strdupz(name);
+
+ freez(cg->chart_id);
+ cg->chart_id = cgroup_chart_id_strdupz(name);
+ cg->hash_chart = simple_hash(cg->chart_id);
+ }
+ }
+ }
+ }
+ else
+ error("CGROUP: cannot popen(\"%s\", \"r\").", command);
+}
+
+static inline struct cgroup *cgroup_add(const char *id) {
+ if(!id || !*id) id = "/";
+ debug(D_CGROUP, "adding to list, cgroup with id '%s'", id);
+
+ if(cgroup_root_count >= cgroup_root_max) {
+ info("CGROUP: maximum number of cgroups reached (%d). Not adding cgroup '%s'", cgroup_root_count, id);
+ return NULL;
+ }
+
+ int def = simple_pattern_matches(enabled_cgroup_patterns, id)?cgroup_enable_new_cgroups_detected_at_runtime:0;
+ struct cgroup *cg = callocz(1, sizeof(struct cgroup));
+
+ cg->id = strdupz(id);
+ cg->hash = simple_hash(cg->id);
+
+ cg->chart_title = cgroup_title_strdupz(id);
+
+ cg->chart_id = cgroup_chart_id_strdupz(id);
+ cg->hash_chart = simple_hash(cg->chart_id);
+
+ if(cgroup_use_unified_cgroups) cg->options |= CGROUP_OPTIONS_IS_UNIFIED;
+
+ if(!discovered_cgroup_root)
+ discovered_cgroup_root = cg;
+ else {
+ // append it
+ struct cgroup *e;
+ for(e = discovered_cgroup_root; e->discovered_next ;e = e->discovered_next) ;
+ e->discovered_next = cg;
+ }
+
+ cgroup_root_count++;
+
+ // fix the chart_id and title by calling the external script
+ if(simple_pattern_matches(enabled_cgroup_renames, cg->id)) {
+
+ cg->pending_renames = 2;
+ cgroup_get_chart_name(cg);
+
+ debug(D_CGROUP, "cgroup '%s' renamed to '%s' (title: '%s')", cg->id, cg->chart_id, cg->chart_title);
+ }
+ else
+ debug(D_CGROUP, "cgroup '%s' will not be renamed - it matches the list of disabled cgroup renames (will be shown as '%s')", cg->id, cg->chart_id);
+
+ int user_configurable = 1;
+
+ // check if this cgroup should be a systemd service
+ if(cgroup_enable_systemd_services) {
+ if(simple_pattern_matches(systemd_services_cgroups, cg->id) ||
+ simple_pattern_matches(systemd_services_cgroups, cg->chart_id)) {
+ debug(D_CGROUP, "cgroup '%s' with chart id '%s' (title: '%s') matches systemd services cgroups", cg->id, cg->chart_id, cg->chart_title);
+
+ char buffer[CGROUP_CHARTID_LINE_MAX + 1];
+ cg->options |= CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE;
+
+ strncpy(buffer, cg->id, CGROUP_CHARTID_LINE_MAX);
+ char *s = buffer;
+
+ //freez(cg->chart_id);
+ //cg->chart_id = cgroup_chart_id_strdupz(s);
+ //cg->hash_chart = simple_hash(cg->chart_id);
+
+ // skip to the last slash
+ size_t len = strlen(s);
+ while(len--) if(unlikely(s[len] == '/')) break;
+ if(len) s = &s[len + 1];
+
+ // remove extension
+ len = strlen(s);
+ while(len--) if(unlikely(s[len] == '.')) break;
+ if(len) s[len] = '\0';
+
+ freez(cg->chart_title);
+ cg->chart_title = cgroup_title_strdupz(s);
+
+ cg->enabled = 1;
+ user_configurable = 0;
+
+ debug(D_CGROUP, "cgroup '%s' renamed to '%s' (title: '%s')", cg->id, cg->chart_id, cg->chart_title);
+ }
+ else
+ debug(D_CGROUP, "cgroup '%s' with chart id '%s' (title: '%s') does not match systemd services groups", cg->id, cg->chart_id, cg->chart_title);
+ }
+
+ if(user_configurable) {
+ // allow the user to enable/disable this individualy
+ char option[FILENAME_MAX + 1];
+ snprintfz(option, FILENAME_MAX, "enable cgroup %s", cg->chart_title);
+ cg->enabled = (char) config_get_boolean("plugin:cgroups", option, def);
+ }
+
+ // detect duplicate cgroups
+ if(cg->enabled) {
+ struct cgroup *t;
+ for (t = discovered_cgroup_root; t; t = t->discovered_next) {
+ if (t != cg && t->enabled && t->hash_chart == cg->hash_chart && !strcmp(t->chart_id, cg->chart_id)) {
+ // TODO: use it after refactoring if system.slice might be scanned before init.scope/system.slice
+ //
+ // if (!strncmp(t->id, "/system.slice/", 14) && !strncmp(cg->id, "/init.scope/system.slice/", 25)) {
+ // error("CGROUP: chart id '%s' already exists with id '%s' and is enabled. Swapping them by enabling cgroup with id '%s' and disabling cgroup with id '%s'.",
+ // cg->chart_id, t->id, cg->id, t->id);
+ // t->enabled = 0;
+ // t->options |= CGROUP_OPTIONS_DISABLED_DUPLICATE;
+ // }
+ // else {}
+ //
+ // https://github.com/netdata/netdata/issues/797#issuecomment-241248884
+ error("CGROUP: chart id '%s' already exists with id '%s' and is enabled and available. Disabling cgroup with id '%s'.",
+ cg->chart_id, t->id, cg->id);
+ cg->enabled = 0;
+ cg->options |= CGROUP_OPTIONS_DISABLED_DUPLICATE;
+
+ break;
+ }
+ }
+ }
+
+ if(cg->enabled && !cg->pending_renames && !(cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE))
+ read_cgroup_network_interfaces(cg);
+
+ debug(D_CGROUP, "ADDED CGROUP: '%s' with chart id '%s' and title '%s' as %s (default was %s)", cg->id, cg->chart_id, cg->chart_title, (cg->enabled)?"enabled":"disabled", (def)?"enabled":"disabled");
+
+ return cg;
+}
+
+static inline void free_pressure(struct pressure *res) {
+ if (res->some.st) rrdset_is_obsolete(res->some.st);
+ if (res->full.st) rrdset_is_obsolete(res->full.st);
+ freez(res->filename);
+}
+
+static inline void cgroup_free(struct cgroup *cg) {
+ debug(D_CGROUP, "Removing cgroup '%s' with chart id '%s' (was %s and %s)", cg->id, cg->chart_id, (cg->enabled)?"enabled":"disabled", (cg->available)?"available":"not available");
+
+ if(cg->st_cpu) rrdset_is_obsolete(cg->st_cpu);
+ if(cg->st_cpu_limit) rrdset_is_obsolete(cg->st_cpu_limit);
+ if(cg->st_cpu_per_core) rrdset_is_obsolete(cg->st_cpu_per_core);
+ if(cg->st_mem) rrdset_is_obsolete(cg->st_mem);
+ if(cg->st_writeback) rrdset_is_obsolete(cg->st_writeback);
+ if(cg->st_mem_activity) rrdset_is_obsolete(cg->st_mem_activity);
+ if(cg->st_pgfaults) rrdset_is_obsolete(cg->st_pgfaults);
+ if(cg->st_mem_usage) rrdset_is_obsolete(cg->st_mem_usage);
+ if(cg->st_mem_usage_limit) rrdset_is_obsolete(cg->st_mem_usage_limit);
+ if(cg->st_mem_failcnt) rrdset_is_obsolete(cg->st_mem_failcnt);
+ if(cg->st_io) rrdset_is_obsolete(cg->st_io);
+ if(cg->st_serviced_ops) rrdset_is_obsolete(cg->st_serviced_ops);
+ if(cg->st_throttle_io) rrdset_is_obsolete(cg->st_throttle_io);
+ if(cg->st_throttle_serviced_ops) rrdset_is_obsolete(cg->st_throttle_serviced_ops);
+ if(cg->st_queued_ops) rrdset_is_obsolete(cg->st_queued_ops);
+ if(cg->st_merged_ops) rrdset_is_obsolete(cg->st_merged_ops);
+
+ freez(cg->filename_cpuset_cpus);
+ freez(cg->filename_cpu_cfs_period);
+ freez(cg->filename_cpu_cfs_quota);
+ freez(cg->filename_memory_limit);
+ freez(cg->filename_memoryswap_limit);
+
+ free_cgroup_network_interfaces(cg);
+
+ freez(cg->cpuacct_usage.cpu_percpu);
+
+ freez(cg->cpuacct_stat.filename);
+ freez(cg->cpuacct_usage.filename);
+
+ arl_free(cg->memory.arl_base);
+ freez(cg->memory.filename_detailed);
+ freez(cg->memory.filename_failcnt);
+ freez(cg->memory.filename_usage_in_bytes);
+ freez(cg->memory.filename_msw_usage_in_bytes);
+
+ freez(cg->io_service_bytes.filename);
+ freez(cg->io_serviced.filename);
+
+ freez(cg->throttle_io_service_bytes.filename);
+ freez(cg->throttle_io_serviced.filename);
+
+ freez(cg->io_merged.filename);
+ freez(cg->io_queued.filename);
+
+ free_pressure(&cg->cpu_pressure);
+ free_pressure(&cg->io_pressure);
+ free_pressure(&cg->memory_pressure);
+
+ freez(cg->id);
+ freez(cg->chart_id);
+ freez(cg->chart_title);
+
+ free_label_list(cg->chart_labels);
+
+ freez(cg);
+
+ cgroup_root_count--;
+}
+
+// find if a given cgroup exists
+static inline struct cgroup *cgroup_find(const char *id) {
+ debug(D_CGROUP, "searching for cgroup '%s'", id);
+
+ uint32_t hash = simple_hash(id);
+
+ struct cgroup *cg;
+ for(cg = discovered_cgroup_root; cg ; cg = cg->discovered_next) {
+ if(hash == cg->hash && strcmp(id, cg->id) == 0)
+ break;
+ }
+
+ debug(D_CGROUP, "cgroup '%s' %s in memory", id, (cg)?"found":"not found");
+ return cg;
+}
+
+// ----------------------------------------------------------------------------
+// detect running cgroups
+
+// callback for find_file_in_subdirs()
+static inline void found_subdir_in_dir(const char *dir) {
+ debug(D_CGROUP, "examining cgroup dir '%s'", dir);
+
+ struct cgroup *cg = cgroup_find(dir);
+ if(!cg) {
+ if(*dir && cgroup_max_depth > 0) {
+ int depth = 0;
+ const char *s;
+
+ for(s = dir; *s ;s++)
+ if(unlikely(*s == '/'))
+ depth++;
+
+ if(depth > cgroup_max_depth) {
+ info("CGROUP: '%s' is too deep (%d, while max is %d)", dir, depth, cgroup_max_depth);
+ return;
+ }
+ }
+ // debug(D_CGROUP, "will add dir '%s' as cgroup", dir);
+ cg = cgroup_add(dir);
+ }
+
+ if(cg) {
+ // delay renaming of the cgroup and looking for network interfaces to deal with the docker lag when starting the container
+ if(unlikely(cg->pending_renames == 1)) {
+ // fix the chart_id and title by calling the external script
+ if(simple_pattern_matches(enabled_cgroup_renames, cg->id)) {
+
+ cgroup_get_chart_name(cg);
+ cg->pending_renames = 0;
+
+ if(cg->enabled && !(cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE))
+ read_cgroup_network_interfaces(cg);
+
+ debug(D_CGROUP, "cgroup '%s' renamed to '%s' (title: '%s')", cg->id, cg->chart_id, cg->chart_title);
+ }
+ else
+ debug(D_CGROUP, "cgroup '%s' will not be renamed - it matches the list of disabled cgroup renames (will be shown as '%s')", cg->id, cg->chart_id);
+ }
+
+ cg->available = 1;
+ }
+}
+
+static inline int find_dir_in_subdirs(const char *base, const char *this, void (*callback)(const char *)) {
+ if(!this) this = base;
+ debug(D_CGROUP, "searching for directories in '%s' (base '%s')", this?this:"", base);
+
+ size_t dirlen = strlen(this), baselen = strlen(base);
+
+ int ret = -1;
+ int enabled = -1;
+
+ const char *relative_path = &this[baselen];
+ if(!*relative_path) relative_path = "/";
+
+ DIR *dir = opendir(this);
+ if(!dir) {
+ error("CGROUP: cannot read directory '%s'", base);
+ return ret;
+ }
+ ret = 1;
+
+ callback(relative_path);
+
+ struct dirent *de = NULL;
+ while((de = readdir(dir))) {
+ if(de->d_type == DT_DIR
+ && (
+ (de->d_name[0] == '.' && de->d_name[1] == '\0')
+ || (de->d_name[0] == '.' && de->d_name[1] == '.' && de->d_name[2] == '\0')
+ ))
+ continue;
+
+ if(de->d_type == DT_DIR) {
+ if(enabled == -1) {
+ const char *r = relative_path;
+ if(*r == '\0') r = "/";
+
+ // do not decent in directories we are not interested
+ int def = simple_pattern_matches(enabled_cgroup_paths, r);
+
+ // we check for this option here
+ // so that the config will not have settings
+ // for leaf directories
+ char option[FILENAME_MAX + 1];
+ snprintfz(option, FILENAME_MAX, "search for cgroups under %s", r);
+ option[FILENAME_MAX] = '\0';
+ enabled = config_get_boolean("plugin:cgroups", option, def);
+ }
+
+ if(enabled) {
+ char *s = mallocz(dirlen + strlen(de->d_name) + 2);
+ strcpy(s, this);
+ strcat(s, "/");
+ strcat(s, de->d_name);
+ int ret2 = find_dir_in_subdirs(base, s, callback);
+ if(ret2 > 0) ret += ret2;
+ freez(s);
+ }
+ }
+ }
+
+ closedir(dir);
+ return ret;
+}
+
+static inline void mark_all_cgroups_as_not_available() {
+ debug(D_CGROUP, "marking all cgroups as not available");
+
+ struct cgroup *cg;
+
+ // mark all as not available
+ for(cg = discovered_cgroup_root; cg ; cg = cg->discovered_next) {
+ cg->available = 0;
+ }
+}
+
+static inline void update_filenames()
+{
+ struct cgroup *cg;
+ struct stat buf;
+ for(cg = discovered_cgroup_root; cg ; cg = cg->discovered_next) {
+ // fprintf(stderr, " >>> CGROUP '%s' (%u - %s) with name '%s'\n", cg->id, cg->hash, cg->available?"available":"stopped", cg->name);
+
+ if(unlikely(cg->pending_renames))
+ cg->pending_renames--;
+
+ if(unlikely(!cg->available || cg->pending_renames))
+ continue;
+
+ debug(D_CGROUP, "checking paths for cgroup '%s'", cg->id);
+
+ // check for newly added cgroups
+ // and update the filenames they read
+ char filename[FILENAME_MAX + 1];
+ if(!cgroup_use_unified_cgroups) {
+ if(unlikely(cgroup_enable_cpuacct_stat && !cg->cpuacct_stat.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpuacct.stat", cgroup_cpuacct_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->cpuacct_stat.filename = strdupz(filename);
+ cg->cpuacct_stat.enabled = cgroup_enable_cpuacct_stat;
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpuset.cpus", cgroup_cpuset_base, cg->id);
+ cg->filename_cpuset_cpus = strdupz(filename);
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpu.cfs_period_us", cgroup_cpuacct_base, cg->id);
+ cg->filename_cpu_cfs_period = strdupz(filename);
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpu.cfs_quota_us", cgroup_cpuacct_base, cg->id);
+ cg->filename_cpu_cfs_quota = strdupz(filename);
+ debug(D_CGROUP, "cpuacct.stat filename for cgroup '%s': '%s'", cg->id, cg->cpuacct_stat.filename);
+ }
+ else
+ debug(D_CGROUP, "cpuacct.stat file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_cpuacct_usage && !cg->cpuacct_usage.filename && !(cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE))) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpuacct.usage_percpu", cgroup_cpuacct_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->cpuacct_usage.filename = strdupz(filename);
+ cg->cpuacct_usage.enabled = cgroup_enable_cpuacct_usage;
+ debug(D_CGROUP, "cpuacct.usage_percpu filename for cgroup '%s': '%s'", cg->id, cg->cpuacct_usage.filename);
+ }
+ else
+ debug(D_CGROUP, "cpuacct.usage_percpu file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely((cgroup_enable_detailed_memory || cgroup_used_memory_without_cache) && !cg->memory.filename_detailed && (cgroup_used_memory_without_cache || cgroup_enable_systemd_services_detailed_memory || !(cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE)))) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.stat", cgroup_memory_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_detailed = strdupz(filename);
+ cg->memory.enabled_detailed = (cgroup_enable_detailed_memory == CONFIG_BOOLEAN_YES)?CONFIG_BOOLEAN_YES:CONFIG_BOOLEAN_AUTO;
+ debug(D_CGROUP, "memory.stat filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_detailed);
+ }
+ else
+ debug(D_CGROUP, "memory.stat file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_memory && !cg->memory.filename_usage_in_bytes)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.usage_in_bytes", cgroup_memory_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_usage_in_bytes = strdupz(filename);
+ cg->memory.enabled_usage_in_bytes = cgroup_enable_memory;
+ debug(D_CGROUP, "memory.usage_in_bytes filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_usage_in_bytes);
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.limit_in_bytes", cgroup_memory_base, cg->id);
+ cg->filename_memory_limit = strdupz(filename);
+ }
+ else
+ debug(D_CGROUP, "memory.usage_in_bytes file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_swap && !cg->memory.filename_msw_usage_in_bytes)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.memsw.usage_in_bytes", cgroup_memory_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_msw_usage_in_bytes = strdupz(filename);
+ cg->memory.enabled_msw_usage_in_bytes = cgroup_enable_swap;
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.memsw.limit_in_bytes", cgroup_memory_base, cg->id);
+ cg->filename_memoryswap_limit = strdupz(filename);
+ debug(D_CGROUP, "memory.msw_usage_in_bytes filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_msw_usage_in_bytes);
+ }
+ else
+ debug(D_CGROUP, "memory.msw_usage_in_bytes file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_memory_failcnt && !cg->memory.filename_failcnt)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.failcnt", cgroup_memory_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_failcnt = strdupz(filename);
+ cg->memory.enabled_failcnt = cgroup_enable_memory_failcnt;
+ debug(D_CGROUP, "memory.failcnt filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_failcnt);
+ }
+ else
+ debug(D_CGROUP, "memory.failcnt file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_blkio_io && !cg->io_service_bytes.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/blkio.io_service_bytes", cgroup_blkio_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->io_service_bytes.filename = strdupz(filename);
+ cg->io_service_bytes.enabled = cgroup_enable_blkio_io;
+ debug(D_CGROUP, "io_service_bytes filename for cgroup '%s': '%s'", cg->id, cg->io_service_bytes.filename);
+ }
+ else
+ debug(D_CGROUP, "io_service_bytes file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_blkio_ops && !cg->io_serviced.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/blkio.io_serviced", cgroup_blkio_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->io_serviced.filename = strdupz(filename);
+ cg->io_serviced.enabled = cgroup_enable_blkio_ops;
+ debug(D_CGROUP, "io_serviced filename for cgroup '%s': '%s'", cg->id, cg->io_serviced.filename);
+ }
+ else
+ debug(D_CGROUP, "io_serviced file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_blkio_throttle_io && !cg->throttle_io_service_bytes.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/blkio.throttle.io_service_bytes", cgroup_blkio_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->throttle_io_service_bytes.filename = strdupz(filename);
+ cg->throttle_io_service_bytes.enabled = cgroup_enable_blkio_throttle_io;
+ debug(D_CGROUP, "throttle_io_service_bytes filename for cgroup '%s': '%s'", cg->id, cg->throttle_io_service_bytes.filename);
+ }
+ else
+ debug(D_CGROUP, "throttle_io_service_bytes file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_blkio_throttle_ops && !cg->throttle_io_serviced.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/blkio.throttle.io_serviced", cgroup_blkio_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->throttle_io_serviced.filename = strdupz(filename);
+ cg->throttle_io_serviced.enabled = cgroup_enable_blkio_throttle_ops;
+ debug(D_CGROUP, "throttle_io_serviced filename for cgroup '%s': '%s'", cg->id, cg->throttle_io_serviced.filename);
+ }
+ else
+ debug(D_CGROUP, "throttle_io_serviced file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_blkio_merged_ops && !cg->io_merged.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/blkio.io_merged", cgroup_blkio_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->io_merged.filename = strdupz(filename);
+ cg->io_merged.enabled = cgroup_enable_blkio_merged_ops;
+ debug(D_CGROUP, "io_merged filename for cgroup '%s': '%s'", cg->id, cg->io_merged.filename);
+ }
+ else
+ debug(D_CGROUP, "io_merged file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_blkio_queued_ops && !cg->io_queued.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/blkio.io_queued", cgroup_blkio_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->io_queued.filename = strdupz(filename);
+ cg->io_queued.enabled = cgroup_enable_blkio_queued_ops;
+ debug(D_CGROUP, "io_queued filename for cgroup '%s': '%s'", cg->id, cg->io_queued.filename);
+ }
+ else
+ debug(D_CGROUP, "io_queued file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+ }
+ else if(likely(cgroup_unified_exist)) {
+ if(unlikely(cgroup_enable_blkio_io && !cg->io_service_bytes.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/io.stat", cgroup_unified_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->io_service_bytes.filename = strdupz(filename);
+ cg->io_service_bytes.enabled = cgroup_enable_blkio_io;
+ debug(D_CGROUP, "io.stat filename for unified cgroup '%s': '%s'", cg->id, cg->io_service_bytes.filename);
+ } else
+ debug(D_CGROUP, "io.stat file for unified cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+ if (unlikely(cgroup_enable_blkio_ops && !cg->io_serviced.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/io.stat", cgroup_unified_base, cg->id);
+ if (likely(stat(filename, &buf) != -1)) {
+ cg->io_serviced.filename = strdupz(filename);
+ cg->io_serviced.enabled = cgroup_enable_blkio_ops;
+ debug(D_CGROUP, "io.stat filename for unified cgroup '%s': '%s'", cg->id, cg->io_service_bytes.filename);
+ } else
+ debug(D_CGROUP, "io.stat file for unified cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+ if(unlikely(cgroup_enable_cpuacct_stat && !cg->cpuacct_stat.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpu.stat", cgroup_unified_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->cpuacct_stat.filename = strdupz(filename);
+ cg->cpuacct_stat.enabled = cgroup_enable_cpuacct_stat;
+ cg->filename_cpuset_cpus = NULL;
+ cg->filename_cpu_cfs_period = NULL;
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpu.max", cgroup_unified_base, cg->id);
+ cg->filename_cpu_cfs_quota = strdupz(filename);
+ debug(D_CGROUP, "cpu.stat filename for unified cgroup '%s': '%s'", cg->id, cg->cpuacct_stat.filename);
+ }
+ else
+ debug(D_CGROUP, "cpu.stat file for unified cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+ if(unlikely((cgroup_enable_detailed_memory || cgroup_used_memory_without_cache) && !cg->memory.filename_detailed && (cgroup_used_memory_without_cache || cgroup_enable_systemd_services_detailed_memory || !(cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE)))) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.stat", cgroup_unified_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_detailed = strdupz(filename);
+ cg->memory.enabled_detailed = (cgroup_enable_detailed_memory == CONFIG_BOOLEAN_YES)?CONFIG_BOOLEAN_YES:CONFIG_BOOLEAN_AUTO;
+ debug(D_CGROUP, "memory.stat filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_detailed);
+ }
+ else
+ debug(D_CGROUP, "memory.stat file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_memory && !cg->memory.filename_usage_in_bytes)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.current", cgroup_unified_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_usage_in_bytes = strdupz(filename);
+ cg->memory.enabled_usage_in_bytes = cgroup_enable_memory;
+ debug(D_CGROUP, "memory.current filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_usage_in_bytes);
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.max", cgroup_unified_base, cg->id);
+ cg->filename_memory_limit = strdupz(filename);
+ }
+ else
+ debug(D_CGROUP, "memory.current file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if(unlikely(cgroup_enable_swap && !cg->memory.filename_msw_usage_in_bytes)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.swap.current", cgroup_unified_base, cg->id);
+ if(likely(stat(filename, &buf) != -1)) {
+ cg->memory.filename_msw_usage_in_bytes = strdupz(filename);
+ cg->memory.enabled_msw_usage_in_bytes = cgroup_enable_swap;
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.swap.max", cgroup_unified_base, cg->id);
+ cg->filename_memoryswap_limit = strdupz(filename);
+ debug(D_CGROUP, "memory.swap.current filename for cgroup '%s': '%s'", cg->id, cg->memory.filename_msw_usage_in_bytes);
+ }
+ else
+ debug(D_CGROUP, "memory.swap file for cgroup '%s': '%s' does not exist.", cg->id, filename);
+ }
+
+ if (unlikely(cgroup_enable_pressure_cpu && !cg->cpu_pressure.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/cpu.pressure", cgroup_unified_base, cg->id);
+ if (likely(stat(filename, &buf) != -1)) {
+ cg->cpu_pressure.filename = strdupz(filename);
+ cg->cpu_pressure.some.enabled = cgroup_enable_pressure_cpu;
+ cg->cpu_pressure.full.enabled = CONFIG_BOOLEAN_NO;
+ debug(D_CGROUP, "cpu.pressure filename for cgroup '%s': '%s'", cg->id, cg->cpu_pressure.filename);
+ } else {
+ debug(D_CGROUP, "cpu.pressure file for cgroup '%s': '%s' does not exist", cg->id, filename);
+ }
+ }
+
+ if (unlikely((cgroup_enable_pressure_io_some || cgroup_enable_pressure_io_full) && !cg->io_pressure.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/io.pressure", cgroup_unified_base, cg->id);
+ if (likely(stat(filename, &buf) != -1)) {
+ cg->io_pressure.filename = strdupz(filename);
+ cg->io_pressure.some.enabled = cgroup_enable_pressure_io_some;
+ cg->io_pressure.full.enabled = cgroup_enable_pressure_io_full;
+ debug(D_CGROUP, "io.pressure filename for cgroup '%s': '%s'", cg->id, cg->io_pressure.filename);
+ } else {
+ debug(D_CGROUP, "io.pressure file for cgroup '%s': '%s' does not exist", cg->id, filename);
+ }
+ }
+
+ if (unlikely((cgroup_enable_pressure_memory_some || cgroup_enable_pressure_memory_full) && !cg->memory_pressure.filename)) {
+ snprintfz(filename, FILENAME_MAX, "%s%s/memory.pressure", cgroup_unified_base, cg->id);
+ if (likely(stat(filename, &buf) != -1)) {
+ cg->memory_pressure.filename = strdupz(filename);
+ cg->memory_pressure.some.enabled = cgroup_enable_pressure_memory_some;
+ cg->memory_pressure.full.enabled = cgroup_enable_pressure_memory_full;
+ debug(D_CGROUP, "memory.pressure filename for cgroup '%s': '%s'", cg->id, cg->memory_pressure.filename);
+ } else {
+ debug(D_CGROUP, "memory.pressure file for cgroup '%s': '%s' does not exist", cg->id, filename);
+ }
+ }
+ }
+ }
+}
+
+static inline void cleanup_all_cgroups() {
+ struct cgroup *cg = discovered_cgroup_root, *last = NULL;
+
+ for(; cg ;) {
+ if(!cg->available) {
+ // enable the first duplicate cgroup
+ {
+ struct cgroup *t;
+ for(t = discovered_cgroup_root; t ; t = t->discovered_next) {
+ if(t != cg && t->available && !t->enabled && t->options & CGROUP_OPTIONS_DISABLED_DUPLICATE && t->hash_chart == cg->hash_chart && !strcmp(t->chart_id, cg->chart_id)) {
+ debug(D_CGROUP, "Enabling duplicate of cgroup '%s' with id '%s', because the original with id '%s' stopped.", t->chart_id, t->id, cg->id);
+ t->enabled = 1;
+ t->options &= ~CGROUP_OPTIONS_DISABLED_DUPLICATE;
+ break;
+ }
+ }
+ }
+
+ if(!last)
+ discovered_cgroup_root = cg->discovered_next;
+ else
+ last->discovered_next = cg->discovered_next;
+
+ cgroup_free(cg);
+
+ if(!last)
+ cg = discovered_cgroup_root;
+ else
+ cg = last->discovered_next;
+ }
+ else {
+ last = cg;
+ cg = cg->discovered_next;
+ }
+ }
+}
+
+static inline void copy_discovered_cgroups()
+{
+ debug(D_CGROUP, "copy discovered cgroups to the main group list");
+
+ struct cgroup *cg;
+
+ for(cg = discovered_cgroup_root; cg ; cg = cg->discovered_next) {
+ cg->next = cg->discovered_next;
+ }
+
+ cgroup_root = discovered_cgroup_root;
+}
+
+static inline void find_all_cgroups() {
+ debug(D_CGROUP, "searching for cgroups");
+
+ mark_all_cgroups_as_not_available();
+ if(!cgroup_use_unified_cgroups) {
+ if(cgroup_enable_cpuacct_stat || cgroup_enable_cpuacct_usage) {
+ if(find_dir_in_subdirs(cgroup_cpuacct_base, NULL, found_subdir_in_dir) == -1) {
+ cgroup_enable_cpuacct_stat =
+ cgroup_enable_cpuacct_usage = CONFIG_BOOLEAN_NO;
+ error("CGROUP: disabled cpu statistics.");
+ }
+ }
+
+ if(cgroup_enable_blkio_io || cgroup_enable_blkio_ops || cgroup_enable_blkio_throttle_io || cgroup_enable_blkio_throttle_ops || cgroup_enable_blkio_merged_ops || cgroup_enable_blkio_queued_ops) {
+ if(find_dir_in_subdirs(cgroup_blkio_base, NULL, found_subdir_in_dir) == -1) {
+ cgroup_enable_blkio_io =
+ cgroup_enable_blkio_ops =
+ cgroup_enable_blkio_throttle_io =
+ cgroup_enable_blkio_throttle_ops =
+ cgroup_enable_blkio_merged_ops =
+ cgroup_enable_blkio_queued_ops = CONFIG_BOOLEAN_NO;
+ error("CGROUP: disabled blkio statistics.");
+ }
+ }
+
+ if(cgroup_enable_memory || cgroup_enable_detailed_memory || cgroup_enable_swap || cgroup_enable_memory_failcnt) {
+ if(find_dir_in_subdirs(cgroup_memory_base, NULL, found_subdir_in_dir) == -1) {
+ cgroup_enable_memory =
+ cgroup_enable_detailed_memory =
+ cgroup_enable_swap =
+ cgroup_enable_memory_failcnt = CONFIG_BOOLEAN_NO;
+ error("CGROUP: disabled memory statistics.");
+ }
+ }
+
+ if(cgroup_search_in_devices) {
+ if(find_dir_in_subdirs(cgroup_devices_base, NULL, found_subdir_in_dir) == -1) {
+ cgroup_search_in_devices = 0;
+ error("CGROUP: disabled devices statistics.");
+ }
+ }
+ }
+ else {
+ if (find_dir_in_subdirs(cgroup_unified_base, NULL, found_subdir_in_dir) == -1) {
+ cgroup_unified_exist = CONFIG_BOOLEAN_NO;
+ error("CGROUP: disabled unified cgroups statistics.");
+ }
+ }
+
+ update_filenames();
+
+ uv_mutex_lock(&cgroup_root_mutex);
+ cleanup_all_cgroups();
+ copy_discovered_cgroups();
+ uv_mutex_unlock(&cgroup_root_mutex);
+
+ debug(D_CGROUP, "done searching for cgroups");
+}
+
+void cgroup_discovery_worker(void *ptr)
+{
+ UNUSED(ptr);
+
+ while (!netdata_exit) {
+ uv_mutex_lock(&discovery_thread.mutex);
+ while (!discovery_thread.start_discovery)
+ uv_cond_wait(&discovery_thread.cond_var, &discovery_thread.mutex);
+ discovery_thread.start_discovery = 0;
+ uv_mutex_unlock(&discovery_thread.mutex);
+
+ if (unlikely(netdata_exit))
+ break;
+
+ find_all_cgroups();
+ }
+
+ discovery_thread.exited = 1;
+}
+
+// ----------------------------------------------------------------------------
+// generate charts
+
+#define CHART_TITLE_MAX 300
+
+void update_systemd_services_charts(
+ int update_every
+ , int do_cpu
+ , int do_mem_usage
+ , int do_mem_detailed
+ , int do_mem_failcnt
+ , int do_swap_usage
+ , int do_io
+ , int do_io_ops
+ , int do_throttle_io
+ , int do_throttle_ops
+ , int do_queued_ops
+ , int do_merged_ops
+) {
+ static RRDSET
+ *st_cpu = NULL,
+ *st_mem_usage = NULL,
+ *st_mem_failcnt = NULL,
+ *st_swap_usage = NULL,
+
+ *st_mem_detailed_cache = NULL,
+ *st_mem_detailed_rss = NULL,
+ *st_mem_detailed_mapped = NULL,
+ *st_mem_detailed_writeback = NULL,
+ *st_mem_detailed_pgfault = NULL,
+ *st_mem_detailed_pgmajfault = NULL,
+ *st_mem_detailed_pgpgin = NULL,
+ *st_mem_detailed_pgpgout = NULL,
+
+ *st_io_read = NULL,
+ *st_io_serviced_read = NULL,
+ *st_throttle_io_read = NULL,
+ *st_throttle_ops_read = NULL,
+ *st_queued_ops_read = NULL,
+ *st_merged_ops_read = NULL,
+
+ *st_io_write = NULL,
+ *st_io_serviced_write = NULL,
+ *st_throttle_io_write = NULL,
+ *st_throttle_ops_write = NULL,
+ *st_queued_ops_write = NULL,
+ *st_merged_ops_write = NULL;
+
+ // create the charts
+
+ if(likely(do_cpu)) {
+ if(unlikely(!st_cpu)) {
+ char title[CHART_TITLE_MAX + 1];
+ snprintfz(title, CHART_TITLE_MAX, "Systemd Services CPU utilization (100%% = 1 core)");
+
+ st_cpu = rrdset_create_localhost(
+ "services"
+ , "cpu"
+ , NULL
+ , "cpu"
+ , "services.cpu"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_cpu);
+ }
+
+ if(likely(do_mem_usage)) {
+ if(unlikely(!st_mem_usage)) {
+
+ st_mem_usage = rrdset_create_localhost(
+ "services"
+ , "mem_usage"
+ , NULL
+ , "mem"
+ , "services.mem_usage"
+ , (cgroup_used_memory_without_cache) ? "Systemd Services Used Memory without Cache"
+ : "Systemd Services Used Memory"
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 10
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_usage);
+ }
+
+ if(likely(do_mem_detailed)) {
+ if(unlikely(!st_mem_detailed_rss)) {
+
+ st_mem_detailed_rss = rrdset_create_localhost(
+ "services"
+ , "mem_rss"
+ , NULL
+ , "mem"
+ , "services.mem_rss"
+ , "Systemd Services RSS Memory"
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 20
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_rss);
+
+ if(unlikely(!st_mem_detailed_mapped)) {
+
+ st_mem_detailed_mapped = rrdset_create_localhost(
+ "services"
+ , "mem_mapped"
+ , NULL
+ , "mem"
+ , "services.mem_mapped"
+ , "Systemd Services Mapped Memory"
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 30
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_mapped);
+
+ if(unlikely(!st_mem_detailed_cache)) {
+
+ st_mem_detailed_cache = rrdset_create_localhost(
+ "services"
+ , "mem_cache"
+ , NULL
+ , "mem"
+ , "services.mem_cache"
+ , "Systemd Services Cache Memory"
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 40
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_cache);
+
+ if(unlikely(!st_mem_detailed_writeback)) {
+
+ st_mem_detailed_writeback = rrdset_create_localhost(
+ "services"
+ , "mem_writeback"
+ , NULL
+ , "mem"
+ , "services.mem_writeback"
+ , "Systemd Services Writeback Memory"
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 50
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_writeback);
+
+ if(unlikely(!st_mem_detailed_pgfault)) {
+
+ st_mem_detailed_pgfault = rrdset_create_localhost(
+ "services"
+ , "mem_pgfault"
+ , NULL
+ , "mem"
+ , "services.mem_pgfault"
+ , "Systemd Services Memory Minor Page Faults"
+ , "MiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 60
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+ }
+ else
+ rrdset_next(st_mem_detailed_pgfault);
+
+ if(unlikely(!st_mem_detailed_pgmajfault)) {
+
+ st_mem_detailed_pgmajfault = rrdset_create_localhost(
+ "services"
+ , "mem_pgmajfault"
+ , NULL
+ , "mem"
+ , "services.mem_pgmajfault"
+ , "Systemd Services Memory Major Page Faults"
+ , "MiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 70
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_pgmajfault);
+
+ if(unlikely(!st_mem_detailed_pgpgin)) {
+
+ st_mem_detailed_pgpgin = rrdset_create_localhost(
+ "services"
+ , "mem_pgpgin"
+ , NULL
+ , "mem"
+ , "services.mem_pgpgin"
+ , "Systemd Services Memory Charging Activity"
+ , "MiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 80
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_pgpgin);
+
+ if(unlikely(!st_mem_detailed_pgpgout)) {
+
+ st_mem_detailed_pgpgout = rrdset_create_localhost(
+ "services"
+ , "mem_pgpgout"
+ , NULL
+ , "mem"
+ , "services.mem_pgpgout"
+ , "Systemd Services Memory Uncharging Activity"
+ , "MiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 90
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_detailed_pgpgout);
+ }
+
+ if(likely(do_mem_failcnt)) {
+ if(unlikely(!st_mem_failcnt)) {
+
+ st_mem_failcnt = rrdset_create_localhost(
+ "services"
+ , "mem_failcnt"
+ , NULL
+ , "mem"
+ , "services.mem_failcnt"
+ , "Systemd Services Memory Limit Failures"
+ , "failures"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 110
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_mem_failcnt);
+ }
+
+ if(likely(do_swap_usage)) {
+ if(unlikely(!st_swap_usage)) {
+
+ st_swap_usage = rrdset_create_localhost(
+ "services"
+ , "swap_usage"
+ , NULL
+ , "swap"
+ , "services.swap_usage"
+ , "Systemd Services Swap Memory Used"
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 100
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_swap_usage);
+ }
+
+ if(likely(do_io)) {
+ if(unlikely(!st_io_read)) {
+
+ st_io_read = rrdset_create_localhost(
+ "services"
+ , "io_read"
+ , NULL
+ , "disk"
+ , "services.io_read"
+ , "Systemd Services Disk Read Bandwidth"
+ , "KiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 120
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_io_read);
+
+ if(unlikely(!st_io_write)) {
+
+ st_io_write = rrdset_create_localhost(
+ "services"
+ , "io_write"
+ , NULL
+ , "disk"
+ , "services.io_write"
+ , "Systemd Services Disk Write Bandwidth"
+ , "KiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 130
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_io_write);
+ }
+
+ if(likely(do_io_ops)) {
+ if(unlikely(!st_io_serviced_read)) {
+
+ st_io_serviced_read = rrdset_create_localhost(
+ "services"
+ , "io_ops_read"
+ , NULL
+ , "disk"
+ , "services.io_ops_read"
+ , "Systemd Services Disk Read Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 140
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_io_serviced_read);
+
+ if(unlikely(!st_io_serviced_write)) {
+
+ st_io_serviced_write = rrdset_create_localhost(
+ "services"
+ , "io_ops_write"
+ , NULL
+ , "disk"
+ , "services.io_ops_write"
+ , "Systemd Services Disk Write Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 150
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_io_serviced_write);
+ }
+
+ if(likely(do_throttle_io)) {
+ if(unlikely(!st_throttle_io_read)) {
+
+ st_throttle_io_read = rrdset_create_localhost(
+ "services"
+ , "throttle_io_read"
+ , NULL
+ , "disk"
+ , "services.throttle_io_read"
+ , "Systemd Services Throttle Disk Read Bandwidth"
+ , "KiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 160
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_throttle_io_read);
+
+ if(unlikely(!st_throttle_io_write)) {
+
+ st_throttle_io_write = rrdset_create_localhost(
+ "services"
+ , "throttle_io_write"
+ , NULL
+ , "disk"
+ , "services.throttle_io_write"
+ , "Systemd Services Throttle Disk Write Bandwidth"
+ , "KiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 170
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_throttle_io_write);
+ }
+
+ if(likely(do_throttle_ops)) {
+ if(unlikely(!st_throttle_ops_read)) {
+
+ st_throttle_ops_read = rrdset_create_localhost(
+ "services"
+ , "throttle_io_ops_read"
+ , NULL
+ , "disk"
+ , "services.throttle_io_ops_read"
+ , "Systemd Services Throttle Disk Read Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 180
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_throttle_ops_read);
+
+ if(unlikely(!st_throttle_ops_write)) {
+
+ st_throttle_ops_write = rrdset_create_localhost(
+ "services"
+ , "throttle_io_ops_write"
+ , NULL
+ , "disk"
+ , "services.throttle_io_ops_write"
+ , "Systemd Services Throttle Disk Write Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 190
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_throttle_ops_write);
+ }
+
+ if(likely(do_queued_ops)) {
+ if(unlikely(!st_queued_ops_read)) {
+
+ st_queued_ops_read = rrdset_create_localhost(
+ "services"
+ , "queued_io_ops_read"
+ , NULL
+ , "disk"
+ , "services.queued_io_ops_read"
+ , "Systemd Services Queued Disk Read Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 200
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_queued_ops_read);
+
+ if(unlikely(!st_queued_ops_write)) {
+
+ st_queued_ops_write = rrdset_create_localhost(
+ "services"
+ , "queued_io_ops_write"
+ , NULL
+ , "disk"
+ , "services.queued_io_ops_write"
+ , "Systemd Services Queued Disk Write Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 210
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_queued_ops_write);
+ }
+
+ if(likely(do_merged_ops)) {
+ if(unlikely(!st_merged_ops_read)) {
+
+ st_merged_ops_read = rrdset_create_localhost(
+ "services"
+ , "merged_io_ops_read"
+ , NULL
+ , "disk"
+ , "services.merged_io_ops_read"
+ , "Systemd Services Merged Disk Read Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 220
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_merged_ops_read);
+
+ if(unlikely(!st_merged_ops_write)) {
+
+ st_merged_ops_write = rrdset_create_localhost(
+ "services"
+ , "merged_io_ops_write"
+ , NULL
+ , "disk"
+ , "services.merged_io_ops_write"
+ , "Systemd Services Merged Disk Write Operations"
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_SYSTEMD_NAME
+ , NETDATA_CHART_PRIO_CGROUPS_SYSTEMD + 230
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ }
+ else
+ rrdset_next(st_merged_ops_write);
+ }
+
+ // update the values
+ struct cgroup *cg;
+ for(cg = cgroup_root; cg ; cg = cg->next) {
+ if(unlikely(!cg->enabled || cg->pending_renames || !(cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE)))
+ continue;
+
+ if(likely(do_cpu && cg->cpuacct_stat.updated)) {
+ if(unlikely(!cg->rd_cpu)){
+
+
+ if (!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ cg->rd_cpu = rrddim_add(st_cpu, cg->chart_id, cg->chart_title, 100, system_hz, RRD_ALGORITHM_INCREMENTAL);
+ } else {
+ cg->rd_cpu = rrddim_add(st_cpu, cg->chart_id, cg->chart_title, 100, 1000000, RRD_ALGORITHM_INCREMENTAL);
+ }
+ }
+
+ rrddim_set_by_pointer(st_cpu, cg->rd_cpu, cg->cpuacct_stat.user + cg->cpuacct_stat.system);
+ }
+
+ if(likely(do_mem_usage && cg->memory.updated_usage_in_bytes)) {
+ if(unlikely(!cg->rd_mem_usage))
+ cg->rd_mem_usage = rrddim_add(st_mem_usage, cg->chart_id, cg->chart_title, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_set_by_pointer(st_mem_usage, cg->rd_mem_usage, cg->memory.usage_in_bytes - ((cgroup_used_memory_without_cache)?cg->memory.total_cache:0));
+ }
+
+ if(likely(do_mem_detailed && cg->memory.updated_detailed)) {
+ if(unlikely(!cg->rd_mem_detailed_rss))
+ cg->rd_mem_detailed_rss = rrddim_add(st_mem_detailed_rss, cg->chart_id, cg->chart_title, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_set_by_pointer(st_mem_detailed_rss, cg->rd_mem_detailed_rss, cg->memory.total_rss + cg->memory.total_rss_huge);
+
+ if(unlikely(!cg->rd_mem_detailed_mapped))
+ cg->rd_mem_detailed_mapped = rrddim_add(st_mem_detailed_mapped, cg->chart_id, cg->chart_title, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_set_by_pointer(st_mem_detailed_mapped, cg->rd_mem_detailed_mapped, cg->memory.total_mapped_file);
+
+ if(unlikely(!cg->rd_mem_detailed_cache))
+ cg->rd_mem_detailed_cache = rrddim_add(st_mem_detailed_cache, cg->chart_id, cg->chart_title, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_set_by_pointer(st_mem_detailed_cache, cg->rd_mem_detailed_cache, cg->memory.total_cache);
+
+ if(unlikely(!cg->rd_mem_detailed_writeback))
+ cg->rd_mem_detailed_writeback = rrddim_add(st_mem_detailed_writeback, cg->chart_id, cg->chart_title, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_set_by_pointer(st_mem_detailed_writeback, cg->rd_mem_detailed_writeback, cg->memory.total_writeback);
+
+ if(unlikely(!cg->rd_mem_detailed_pgfault))
+ cg->rd_mem_detailed_pgfault = rrddim_add(st_mem_detailed_pgfault, cg->chart_id, cg->chart_title, system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_mem_detailed_pgfault, cg->rd_mem_detailed_pgfault, cg->memory.total_pgfault);
+
+ if(unlikely(!cg->rd_mem_detailed_pgmajfault))
+ cg->rd_mem_detailed_pgmajfault = rrddim_add(st_mem_detailed_pgmajfault, cg->chart_id, cg->chart_title, system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_mem_detailed_pgmajfault, cg->rd_mem_detailed_pgmajfault, cg->memory.total_pgmajfault);
+
+ if(unlikely(!cg->rd_mem_detailed_pgpgin))
+ cg->rd_mem_detailed_pgpgin = rrddim_add(st_mem_detailed_pgpgin, cg->chart_id, cg->chart_title, system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_mem_detailed_pgpgin, cg->rd_mem_detailed_pgpgin, cg->memory.total_pgpgin);
+
+ if(unlikely(!cg->rd_mem_detailed_pgpgout))
+ cg->rd_mem_detailed_pgpgout = rrddim_add(st_mem_detailed_pgpgout, cg->chart_id, cg->chart_title, system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_mem_detailed_pgpgout, cg->rd_mem_detailed_pgpgout, cg->memory.total_pgpgout);
+ }
+
+ if(likely(do_mem_failcnt && cg->memory.updated_failcnt)) {
+ if(unlikely(!cg->rd_mem_failcnt))
+ cg->rd_mem_failcnt = rrddim_add(st_mem_failcnt, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_mem_failcnt, cg->rd_mem_failcnt, cg->memory.failcnt);
+ }
+
+ if(likely(do_swap_usage && cg->memory.updated_msw_usage_in_bytes)) {
+ if(unlikely(!cg->rd_swap_usage))
+ cg->rd_swap_usage = rrddim_add(st_swap_usage, cg->chart_id, cg->chart_title, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_set_by_pointer(st_swap_usage, cg->rd_swap_usage, cg->memory.msw_usage_in_bytes);
+ }
+
+ if(likely(do_io && cg->io_service_bytes.updated)) {
+ if(unlikely(!cg->rd_io_service_bytes_read))
+ cg->rd_io_service_bytes_read = rrddim_add(st_io_read, cg->chart_id, cg->chart_title, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_io_read, cg->rd_io_service_bytes_read, cg->io_service_bytes.Read);
+
+ if(unlikely(!cg->rd_io_service_bytes_write))
+ cg->rd_io_service_bytes_write = rrddim_add(st_io_write, cg->chart_id, cg->chart_title, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_io_write, cg->rd_io_service_bytes_write, cg->io_service_bytes.Write);
+ }
+
+ if(likely(do_io_ops && cg->io_serviced.updated)) {
+ if(unlikely(!cg->rd_io_serviced_read))
+ cg->rd_io_serviced_read = rrddim_add(st_io_serviced_read, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_io_serviced_read, cg->rd_io_serviced_read, cg->io_serviced.Read);
+
+ if(unlikely(!cg->rd_io_serviced_write))
+ cg->rd_io_serviced_write = rrddim_add(st_io_serviced_write, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_io_serviced_write, cg->rd_io_serviced_write, cg->io_serviced.Write);
+ }
+
+ if(likely(do_throttle_io && cg->throttle_io_service_bytes.updated)) {
+ if(unlikely(!cg->rd_throttle_io_read))
+ cg->rd_throttle_io_read = rrddim_add(st_throttle_io_read, cg->chart_id, cg->chart_title, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_throttle_io_read, cg->rd_throttle_io_read, cg->throttle_io_service_bytes.Read);
+
+ if(unlikely(!cg->rd_throttle_io_write))
+ cg->rd_throttle_io_write = rrddim_add(st_throttle_io_write, cg->chart_id, cg->chart_title, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_throttle_io_write, cg->rd_throttle_io_write, cg->throttle_io_service_bytes.Write);
+ }
+
+ if(likely(do_throttle_ops && cg->throttle_io_serviced.updated)) {
+ if(unlikely(!cg->rd_throttle_io_serviced_read))
+ cg->rd_throttle_io_serviced_read = rrddim_add(st_throttle_ops_read, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_throttle_ops_read, cg->rd_throttle_io_serviced_read, cg->throttle_io_serviced.Read);
+
+ if(unlikely(!cg->rd_throttle_io_serviced_write))
+ cg->rd_throttle_io_serviced_write = rrddim_add(st_throttle_ops_write, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_throttle_ops_write, cg->rd_throttle_io_serviced_write, cg->throttle_io_serviced.Write);
+ }
+
+ if(likely(do_queued_ops && cg->io_queued.updated)) {
+ if(unlikely(!cg->rd_io_queued_read))
+ cg->rd_io_queued_read = rrddim_add(st_queued_ops_read, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_queued_ops_read, cg->rd_io_queued_read, cg->io_queued.Read);
+
+ if(unlikely(!cg->rd_io_queued_write))
+ cg->rd_io_queued_write = rrddim_add(st_queued_ops_write, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_queued_ops_write, cg->rd_io_queued_write, cg->io_queued.Write);
+ }
+
+ if(likely(do_merged_ops && cg->io_merged.updated)) {
+ if(unlikely(!cg->rd_io_merged_read))
+ cg->rd_io_merged_read = rrddim_add(st_merged_ops_read, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_merged_ops_read, cg->rd_io_merged_read, cg->io_merged.Read);
+
+ if(unlikely(!cg->rd_io_merged_write))
+ cg->rd_io_merged_write = rrddim_add(st_merged_ops_write, cg->chart_id, cg->chart_title, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+
+ rrddim_set_by_pointer(st_merged_ops_write, cg->rd_io_merged_write, cg->io_merged.Write);
+ }
+ }
+
+ // complete the iteration
+ if(likely(do_cpu))
+ rrdset_done(st_cpu);
+
+ if(likely(do_mem_usage))
+ rrdset_done(st_mem_usage);
+
+ if(unlikely(do_mem_detailed)) {
+ rrdset_done(st_mem_detailed_cache);
+ rrdset_done(st_mem_detailed_rss);
+ rrdset_done(st_mem_detailed_mapped);
+ rrdset_done(st_mem_detailed_writeback);
+ rrdset_done(st_mem_detailed_pgfault);
+ rrdset_done(st_mem_detailed_pgmajfault);
+ rrdset_done(st_mem_detailed_pgpgin);
+ rrdset_done(st_mem_detailed_pgpgout);
+ }
+
+ if(likely(do_mem_failcnt))
+ rrdset_done(st_mem_failcnt);
+
+ if(likely(do_swap_usage))
+ rrdset_done(st_swap_usage);
+
+ if(likely(do_io)) {
+ rrdset_done(st_io_read);
+ rrdset_done(st_io_write);
+ }
+
+ if(likely(do_io_ops)) {
+ rrdset_done(st_io_serviced_read);
+ rrdset_done(st_io_serviced_write);
+ }
+
+ if(likely(do_throttle_io)) {
+ rrdset_done(st_throttle_io_read);
+ rrdset_done(st_throttle_io_write);
+ }
+
+ if(likely(do_throttle_ops)) {
+ rrdset_done(st_throttle_ops_read);
+ rrdset_done(st_throttle_ops_write);
+ }
+
+ if(likely(do_queued_ops)) {
+ rrdset_done(st_queued_ops_read);
+ rrdset_done(st_queued_ops_write);
+ }
+
+ if(likely(do_merged_ops)) {
+ rrdset_done(st_merged_ops_read);
+ rrdset_done(st_merged_ops_write);
+ }
+}
+
+static inline char *cgroup_chart_type(char *buffer, const char *id, size_t len) {
+ if(buffer[0]) return buffer;
+
+ if(id[0] == '\0' || (id[0] == '/' && id[1] == '\0'))
+ strncpy(buffer, "cgroup_root", len);
+ else
+ snprintfz(buffer, len, "cgroup_%s", id);
+
+ netdata_fix_chart_id(buffer);
+ return buffer;
+}
+
+static inline unsigned long long cpuset_str2ull(char **s) {
+ unsigned long long n = 0;
+ char c;
+ for(c = **s; c >= '0' && c <= '9' ; c = *(++*s)) {
+ n *= 10;
+ n += c - '0';
+ }
+ return n;
+}
+
+static inline void update_cpu_limits(char **filename, unsigned long long *value, struct cgroup *cg) {
+ if(*filename) {
+ int ret = -1;
+
+ if(value == &cg->cpuset_cpus) {
+ static char *buf = NULL;
+ static size_t buf_size = 0;
+
+ if(!buf) {
+ buf_size = 100U + 6 * get_system_cpus(); // taken from kernel/cgroup/cpuset.c
+ buf = mallocz(buf_size + 1);
+ }
+
+ ret = read_file(*filename, buf, buf_size);
+
+ if(!ret) {
+ char *s = buf;
+ unsigned long long ncpus = 0;
+
+ // parse the cpuset string and calculate the number of cpus the cgroup is allowed to use
+ while(*s) {
+ unsigned long long n = cpuset_str2ull(&s);
+ if(*s == ',') {
+ s++;
+ ncpus++;
+ continue;
+ }
+ if(*s == '-') {
+ s++;
+ unsigned long long m = cpuset_str2ull(&s);
+ ncpus += m - n + 1; // calculate the number of cpus in the region
+ }
+ s++;
+ }
+
+ if(likely(ncpus)) *value = ncpus;
+ }
+ }
+ else if(value == &cg->cpu_cfs_period) {
+ ret = read_single_number_file(*filename, value);
+ }
+ else if(value == &cg->cpu_cfs_quota) {
+ ret = read_single_number_file(*filename, value);
+ }
+ else ret = -1;
+
+ if(ret) {
+ error("Cannot refresh cgroup %s cpu limit by reading '%s'. Will not update its limit anymore.", cg->id, *filename);
+ freez(*filename);
+ *filename = NULL;
+ }
+ }
+}
+
+static inline void update_cpu_limits2(struct cgroup *cg) {
+ if(cg->filename_cpu_cfs_quota){
+ static procfile *ff = NULL;
+
+ ff = procfile_reopen(ff, cg->filename_cpu_cfs_quota, NULL, PROCFILE_FLAG_DEFAULT);
+ if(unlikely(!ff)) {
+ goto cpu_limits2_err;
+ }
+
+ ff = procfile_readall(ff);
+ if(unlikely(!ff)) {
+ goto cpu_limits2_err;
+ }
+
+ unsigned long lines = procfile_lines(ff);
+
+ if (unlikely(lines < 1)) {
+ error("CGROUP: file '%s' should have 1 lines.", cg->filename_cpu_cfs_quota);
+ return;
+ }
+
+ cg->cpu_cfs_period = str2ull(procfile_lineword(ff, 0, 1));
+ cg->cpuset_cpus = get_system_cpus();
+
+ char *s = "max\n\0";
+ if(strsame(s, procfile_lineword(ff, 0, 0)) == 0){
+ cg->cpu_cfs_quota = cg->cpu_cfs_period * cg->cpuset_cpus;
+ } else {
+ cg->cpu_cfs_quota = str2ull(procfile_lineword(ff, 0, 0));
+ }
+ debug(D_CGROUP, "CPU limits values: %llu %llu %llu", cg->cpu_cfs_period, cg->cpuset_cpus, cg->cpu_cfs_quota);
+ return;
+
+cpu_limits2_err:
+ error("Cannot refresh cgroup %s cpu limit by reading '%s'. Will not update its limit anymore.", cg->id, cg->filename_cpu_cfs_quota);
+ freez(cg->filename_cpu_cfs_quota);
+ cg->filename_cpu_cfs_quota = NULL;
+
+ }
+}
+
+static inline int update_memory_limits(char **filename, RRDSETVAR **chart_var, unsigned long long *value, const char *chart_var_name, struct cgroup *cg) {
+ if(*filename) {
+ if(unlikely(!*chart_var)) {
+ *chart_var = rrdsetvar_custom_chart_variable_create(cg->st_mem_usage, chart_var_name);
+ if(!*chart_var) {
+ error("Cannot create cgroup %s chart variable '%s'. Will not update its limit anymore.", cg->id, chart_var_name);
+ freez(*filename);
+ *filename = NULL;
+ }
+ }
+
+ if(*filename && *chart_var) {
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ if(read_single_number_file(*filename, value)) {
+ error("Cannot refresh cgroup %s memory limit by reading '%s'. Will not update its limit anymore.", cg->id, *filename);
+ freez(*filename);
+ *filename = NULL;
+ }
+ else {
+ rrdsetvar_custom_chart_variable_set(*chart_var, (calculated_number)(*value / (1024 * 1024)));
+ return 1;
+ }
+ } else {
+ char buffer[30 + 1];
+ int ret = read_file(*filename, buffer, 30);
+ if(ret) {
+ error("Cannot refresh cgroup %s memory limit by reading '%s'. Will not update its limit anymore.", cg->id, *filename);
+ freez(*filename);
+ *filename = NULL;
+ return 0;
+ }
+ char *s = "max\n\0";
+ if(strsame(s, buffer) == 0){
+ *value = UINT64_MAX;
+ rrdsetvar_custom_chart_variable_set(*chart_var, (calculated_number)(*value / (1024 * 1024)));
+ return 1;
+ }
+ *value = str2ull(buffer);
+ rrdsetvar_custom_chart_variable_set(*chart_var, (calculated_number)(*value / (1024 * 1024)));
+ return 1;
+ }
+ }
+ }
+ return 0;
+}
+
+void update_cgroup_charts(int update_every) {
+ debug(D_CGROUP, "updating cgroups charts");
+
+ char type[RRD_ID_LENGTH_MAX + 1];
+ char title[CHART_TITLE_MAX + 1];
+
+ int services_do_cpu = 0,
+ services_do_mem_usage = 0,
+ services_do_mem_detailed = 0,
+ services_do_mem_failcnt = 0,
+ services_do_swap_usage = 0,
+ services_do_io = 0,
+ services_do_io_ops = 0,
+ services_do_throttle_io = 0,
+ services_do_throttle_ops = 0,
+ services_do_queued_ops = 0,
+ services_do_merged_ops = 0;
+
+ struct cgroup *cg;
+ for(cg = cgroup_root; cg ; cg = cg->next) {
+ if(unlikely(!cg->enabled || cg->pending_renames))
+ continue;
+
+ if(likely(cgroup_enable_systemd_services && cg->options & CGROUP_OPTIONS_SYSTEM_SLICE_SERVICE)) {
+ if(cg->cpuacct_stat.updated && cg->cpuacct_stat.enabled == CONFIG_BOOLEAN_YES) services_do_cpu++;
+
+ if(cgroup_enable_systemd_services_detailed_memory && cg->memory.updated_detailed && cg->memory.enabled_detailed) services_do_mem_detailed++;
+ if(cg->memory.updated_usage_in_bytes && cg->memory.enabled_usage_in_bytes == CONFIG_BOOLEAN_YES) services_do_mem_usage++;
+ if(cg->memory.updated_failcnt && cg->memory.enabled_failcnt == CONFIG_BOOLEAN_YES) services_do_mem_failcnt++;
+ if(cg->memory.updated_msw_usage_in_bytes && cg->memory.enabled_msw_usage_in_bytes == CONFIG_BOOLEAN_YES) services_do_swap_usage++;
+
+ if(cg->io_service_bytes.updated && cg->io_service_bytes.enabled == CONFIG_BOOLEAN_YES) services_do_io++;
+ if(cg->io_serviced.updated && cg->io_serviced.enabled == CONFIG_BOOLEAN_YES) services_do_io_ops++;
+ if(cg->throttle_io_service_bytes.updated && cg->throttle_io_service_bytes.enabled == CONFIG_BOOLEAN_YES) services_do_throttle_io++;
+ if(cg->throttle_io_serviced.updated && cg->throttle_io_serviced.enabled == CONFIG_BOOLEAN_YES) services_do_throttle_ops++;
+ if(cg->io_queued.updated && cg->io_queued.enabled == CONFIG_BOOLEAN_YES) services_do_queued_ops++;
+ if(cg->io_merged.updated && cg->io_merged.enabled == CONFIG_BOOLEAN_YES) services_do_merged_ops++;
+ continue;
+ }
+
+ type[0] = '\0';
+
+ if(likely(cg->cpuacct_stat.updated && cg->cpuacct_stat.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_cpu)) {
+ snprintfz(title, CHART_TITLE_MAX, "CPU Usage (100%% = 1 core)");
+
+ cg->st_cpu = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "cpu"
+ , NULL
+ , "cpu"
+ , "cgroup.cpu"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ rrdset_update_labels(cg->st_cpu, cg->chart_labels);
+
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ rrddim_add(cg->st_cpu, "user", NULL, 100, system_hz, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_cpu, "system", NULL, 100, system_hz, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else {
+ rrddim_add(cg->st_cpu, "user", NULL, 100, 1000000, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_cpu, "system", NULL, 100, 1000000, RRD_ALGORITHM_INCREMENTAL);
+ }
+ }
+ else
+ rrdset_next(cg->st_cpu);
+
+ rrddim_set(cg->st_cpu, "user", cg->cpuacct_stat.user);
+ rrddim_set(cg->st_cpu, "system", cg->cpuacct_stat.system);
+ rrdset_done(cg->st_cpu);
+
+ if(likely(cg->filename_cpuset_cpus || cg->filename_cpu_cfs_period || cg->filename_cpu_cfs_quota)) {
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ update_cpu_limits(&cg->filename_cpuset_cpus, &cg->cpuset_cpus, cg);
+ update_cpu_limits(&cg->filename_cpu_cfs_period, &cg->cpu_cfs_period, cg);
+ update_cpu_limits(&cg->filename_cpu_cfs_quota, &cg->cpu_cfs_quota, cg);
+ } else {
+ update_cpu_limits2(cg);
+ }
+
+ if(unlikely(!cg->chart_var_cpu_limit)) {
+ cg->chart_var_cpu_limit = rrdsetvar_custom_chart_variable_create(cg->st_cpu, "cpu_limit");
+ if(!cg->chart_var_cpu_limit) {
+ error("Cannot create cgroup %s chart variable 'cpu_limit'. Will not update its limit anymore.", cg->id);
+ if(cg->filename_cpuset_cpus) freez(cg->filename_cpuset_cpus);
+ cg->filename_cpuset_cpus = NULL;
+ if(cg->filename_cpu_cfs_period) freez(cg->filename_cpu_cfs_period);
+ cg->filename_cpu_cfs_period = NULL;
+ if(cg->filename_cpu_cfs_quota) freez(cg->filename_cpu_cfs_quota);
+ cg->filename_cpu_cfs_quota = NULL;
+ }
+ }
+ else {
+ calculated_number value = 0, quota = 0;
+
+ if(likely( ((!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) && (cg->filename_cpuset_cpus || (cg->filename_cpu_cfs_period && cg->filename_cpu_cfs_quota)))
+ || ((cg->options & CGROUP_OPTIONS_IS_UNIFIED) && cg->filename_cpu_cfs_quota))) {
+ if(unlikely(cg->cpu_cfs_quota > 0))
+ quota = (calculated_number)cg->cpu_cfs_quota / (calculated_number)cg->cpu_cfs_period;
+
+ if(unlikely(quota > 0 && quota < cg->cpuset_cpus))
+ value = quota * 100;
+ else
+ value = (calculated_number)cg->cpuset_cpus * 100;
+ }
+ if(likely(value)) {
+ rrdsetvar_custom_chart_variable_set(cg->chart_var_cpu_limit, value);
+
+ if(unlikely(!cg->st_cpu_limit)) {
+ snprintfz(title, CHART_TITLE_MAX, "CPU Usage within the limits");
+
+ cg->st_cpu_limit = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "cpu_limit"
+ , NULL
+ , "cpu"
+ , "cgroup.cpu_limit"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority - 1
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_cpu_limit, cg->chart_labels);
+
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED))
+ rrddim_add(cg->st_cpu_limit, "used", NULL, 1, system_hz, RRD_ALGORITHM_ABSOLUTE);
+ else
+ rrddim_add(cg->st_cpu_limit, "used", NULL, 1, 1000000, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(cg->st_cpu_limit);
+
+ calculated_number cpu_usage = 0;
+ cpu_usage = (calculated_number)(cg->cpuacct_stat.user + cg->cpuacct_stat.system) * 100;
+ calculated_number cpu_used = 100 * (cpu_usage - cg->prev_cpu_usage) / (value * update_every);
+
+ rrdset_isnot_obsolete(cg->st_cpu_limit);
+
+ rrddim_set(cg->st_cpu_limit, "used", (cpu_used > 0)?cpu_used:0);
+
+ cg->prev_cpu_usage = cpu_usage;
+
+ rrdset_done(cg->st_cpu_limit);
+ }
+ else {
+ rrdsetvar_custom_chart_variable_set(cg->chart_var_cpu_limit, NAN);
+ if(unlikely(cg->st_cpu_limit)) {
+ rrdset_is_obsolete(cg->st_cpu_limit);
+ cg->st_cpu_limit = NULL;
+ }
+ }
+ }
+ }
+ }
+
+ if(likely(cg->cpuacct_usage.updated && cg->cpuacct_usage.enabled == CONFIG_BOOLEAN_YES)) {
+ char id[RRD_ID_LENGTH_MAX + 1];
+ unsigned int i;
+
+ if(unlikely(!cg->st_cpu_per_core)) {
+ snprintfz(title, CHART_TITLE_MAX, "CPU Usage (100%% = 1 core) Per Core");
+
+ cg->st_cpu_per_core = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "cpu_per_core"
+ , NULL
+ , "cpu"
+ , "cgroup.cpu_per_core"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 100
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ rrdset_update_labels(cg->st_cpu_per_core, cg->chart_labels);
+
+ for(i = 0; i < cg->cpuacct_usage.cpus; i++) {
+ snprintfz(id, RRD_ID_LENGTH_MAX, "cpu%u", i);
+ rrddim_add(cg->st_cpu_per_core, id, NULL, 100, 1000000000, RRD_ALGORITHM_INCREMENTAL);
+ }
+ }
+ else
+ rrdset_next(cg->st_cpu_per_core);
+
+ for(i = 0; i < cg->cpuacct_usage.cpus ;i++) {
+ snprintfz(id, RRD_ID_LENGTH_MAX, "cpu%u", i);
+ rrddim_set(cg->st_cpu_per_core, id, cg->cpuacct_usage.cpu_percpu[i]);
+ }
+ rrdset_done(cg->st_cpu_per_core);
+ }
+
+ if(likely(cg->memory.updated_detailed && cg->memory.enabled_detailed == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_mem)) {
+ snprintfz(title, CHART_TITLE_MAX, "Memory Usage");
+
+ cg->st_mem = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem"
+ , NULL
+ , "mem"
+ , "cgroup.mem"
+ , title
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 210
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ rrdset_update_labels(cg->st_mem, cg->chart_labels);
+
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ rrddim_add(cg->st_mem, "cache", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "rss", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ if(cg->memory.detailed_has_swap)
+ rrddim_add(cg->st_mem, "swap", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_add(cg->st_mem, "rss_huge", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "mapped_file", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrddim_add(cg->st_mem, "anon", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "kernel_stack", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "slab", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "sock", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "anon_thp", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem, "file", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ }
+ else
+ rrdset_next(cg->st_mem);
+
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ rrddim_set(cg->st_mem, "cache", cg->memory.total_cache);
+ rrddim_set(cg->st_mem, "rss", (cg->memory.total_rss > cg->memory.total_rss_huge)?(cg->memory.total_rss - cg->memory.total_rss_huge):0);
+
+ if(cg->memory.detailed_has_swap)
+ rrddim_set(cg->st_mem, "swap", cg->memory.total_swap);
+
+ rrddim_set(cg->st_mem, "rss_huge", cg->memory.total_rss_huge);
+ rrddim_set(cg->st_mem, "mapped_file", cg->memory.total_mapped_file);
+ } else {
+ rrddim_set(cg->st_mem, "anon", cg->memory.anon);
+ rrddim_set(cg->st_mem, "kernel_stack", cg->memory.kernel_stack);
+ rrddim_set(cg->st_mem, "slab", cg->memory.slab);
+ rrddim_set(cg->st_mem, "sock", cg->memory.sock);
+ rrddim_set(cg->st_mem, "anon_thp", cg->memory.anon_thp);
+ rrddim_set(cg->st_mem, "file", cg->memory.total_mapped_file);
+ }
+ rrdset_done(cg->st_mem);
+
+ if(unlikely(!cg->st_writeback)) {
+ snprintfz(title, CHART_TITLE_MAX, "Writeback Memory");
+
+ cg->st_writeback = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "writeback"
+ , NULL
+ , "mem"
+ , "cgroup.writeback"
+ , title
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 300
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrdset_update_labels(cg->st_writeback, cg->chart_labels);
+
+ if(cg->memory.detailed_has_dirty)
+ rrddim_add(cg->st_writeback, "dirty", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+
+ rrddim_add(cg->st_writeback, "writeback", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(cg->st_writeback);
+
+ if(cg->memory.detailed_has_dirty)
+ rrddim_set(cg->st_writeback, "dirty", cg->memory.total_dirty);
+
+ rrddim_set(cg->st_writeback, "writeback", cg->memory.total_writeback);
+ rrdset_done(cg->st_writeback);
+
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ if(unlikely(!cg->st_mem_activity)) {
+ snprintfz(title, CHART_TITLE_MAX, "Memory Activity");
+
+ cg->st_mem_activity = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem_activity"
+ , NULL
+ , "mem"
+ , "cgroup.mem_activity"
+ , title
+ , "MiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 400
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_mem_activity, cg->chart_labels);
+
+ rrddim_add(cg->st_mem_activity, "pgpgin", "in", system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_mem_activity, "pgpgout", "out", -system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_mem_activity);
+
+ rrddim_set(cg->st_mem_activity, "pgpgin", cg->memory.total_pgpgin);
+ rrddim_set(cg->st_mem_activity, "pgpgout", cg->memory.total_pgpgout);
+ rrdset_done(cg->st_mem_activity);
+ }
+
+ if(unlikely(!cg->st_pgfaults)) {
+ snprintfz(title, CHART_TITLE_MAX, "Memory Page Faults");
+
+ cg->st_pgfaults = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "pgfaults"
+ , NULL
+ , "mem"
+ , "cgroup.pgfaults"
+ , title
+ , "MiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 500
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_pgfaults, cg->chart_labels);
+
+ rrddim_add(cg->st_pgfaults, "pgfault", NULL, system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_pgfaults, "pgmajfault", "swap", -system_page_size, 1024 * 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_pgfaults);
+
+ rrddim_set(cg->st_pgfaults, "pgfault", cg->memory.total_pgfault);
+ rrddim_set(cg->st_pgfaults, "pgmajfault", cg->memory.total_pgmajfault);
+ rrdset_done(cg->st_pgfaults);
+ }
+
+ if(likely(cg->memory.updated_usage_in_bytes && cg->memory.enabled_usage_in_bytes == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_mem_usage)) {
+ snprintfz(title, CHART_TITLE_MAX, "Used Memory %s", (cgroup_used_memory_without_cache && cg->memory.updated_detailed)?"without Cache ":"");
+
+ cg->st_mem_usage = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem_usage"
+ , NULL
+ , "mem"
+ , "cgroup.mem_usage"
+ , title
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 200
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ rrdset_update_labels(cg->st_mem_usage, cg->chart_labels);
+
+ rrddim_add(cg->st_mem_usage, "ram", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem_usage, "swap", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(cg->st_mem_usage);
+
+ rrddim_set(cg->st_mem_usage, "ram", cg->memory.usage_in_bytes - ((cgroup_used_memory_without_cache)?cg->memory.total_cache:0));
+ if(!(cg->options & CGROUP_OPTIONS_IS_UNIFIED)) {
+ rrddim_set(cg->st_mem_usage, "swap", (cg->memory.msw_usage_in_bytes > cg->memory.usage_in_bytes)?cg->memory.msw_usage_in_bytes - cg->memory.usage_in_bytes:0);
+ } else {
+ rrddim_set(cg->st_mem_usage, "swap", cg->memory.msw_usage_in_bytes);
+ }
+ rrdset_done(cg->st_mem_usage);
+
+ if (likely(update_memory_limits(&cg->filename_memory_limit, &cg->chart_var_memory_limit, &cg->memory_limit, "memory_limit", cg))) {
+ static unsigned long long ram_total = 0;
+
+ if(unlikely(!ram_total)) {
+ procfile *ff = NULL;
+
+ char filename[FILENAME_MAX + 1];
+ snprintfz(filename, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/proc/meminfo");
+ ff = procfile_open(config_get("plugin:cgroups", "meminfo filename to monitor", filename), " \t:", PROCFILE_FLAG_DEFAULT);
+
+ if(likely(ff))
+ ff = procfile_readall(ff);
+ if(likely(ff && procfile_lines(ff) && !strncmp(procfile_word(ff, 0), "MemTotal", 8)))
+ ram_total = str2ull(procfile_word(ff, 1)) * 1024;
+ else {
+ error("Cannot read file %s. Will not update cgroup %s RAM limit anymore.", filename, cg->id);
+ freez(cg->filename_memory_limit);
+ cg->filename_memory_limit = NULL;
+ }
+
+ procfile_close(ff);
+ }
+
+ if(likely(ram_total)) {
+ unsigned long long memory_limit = ram_total;
+
+ if(unlikely(cg->memory_limit < ram_total))
+ memory_limit = cg->memory_limit;
+
+ if(unlikely(!cg->st_mem_usage_limit)) {
+ snprintfz(title, CHART_TITLE_MAX, "Used RAM without Cache within the limits");
+
+ cg->st_mem_usage_limit = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem_usage_limit"
+ , NULL
+ , "mem"
+ , "cgroup.mem_usage_limit"
+ , title
+ , "MiB"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 199
+ , update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ rrdset_update_labels(cg->st_mem_usage_limit, cg->chart_labels);
+
+ rrddim_add(cg->st_mem_usage_limit, "available", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_mem_usage_limit, "used", NULL, 1, 1024 * 1024, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(cg->st_mem_usage_limit);
+
+ rrdset_isnot_obsolete(cg->st_mem_usage_limit);
+
+ rrddim_set(cg->st_mem_usage_limit, "available", memory_limit - (cg->memory.usage_in_bytes - ((cgroup_used_memory_without_cache)?cg->memory.total_cache:0)));
+ rrddim_set(cg->st_mem_usage_limit, "used", cg->memory.usage_in_bytes - ((cgroup_used_memory_without_cache)?cg->memory.total_cache:0));
+ rrdset_done(cg->st_mem_usage_limit);
+ }
+ }
+ else {
+ if(unlikely(cg->st_mem_usage_limit)) {
+ rrdset_is_obsolete(cg->st_mem_usage_limit);
+ cg->st_mem_usage_limit = NULL;
+ }
+ }
+
+ update_memory_limits(&cg->filename_memoryswap_limit, &cg->chart_var_memoryswap_limit, &cg->memoryswap_limit, "memory_and_swap_limit", cg);
+ }
+
+ if(likely(cg->memory.updated_failcnt && cg->memory.enabled_failcnt == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_mem_failcnt)) {
+ snprintfz(title, CHART_TITLE_MAX, "Memory Limit Failures");
+
+ cg->st_mem_failcnt = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem_failcnt"
+ , NULL
+ , "mem"
+ , "cgroup.mem_failcnt"
+ , title
+ , "count"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 250
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_mem_failcnt, cg->chart_labels);
+
+ rrddim_add(cg->st_mem_failcnt, "failures", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_mem_failcnt);
+
+ rrddim_set(cg->st_mem_failcnt, "failures", cg->memory.failcnt);
+ rrdset_done(cg->st_mem_failcnt);
+ }
+
+ if(likely(cg->io_service_bytes.updated && cg->io_service_bytes.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_io)) {
+ snprintfz(title, CHART_TITLE_MAX, "I/O Bandwidth (all disks)");
+
+ cg->st_io = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "io"
+ , NULL
+ , "disk"
+ , "cgroup.io"
+ , title
+ , "KiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 1200
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrdset_update_labels(cg->st_io, cg->chart_labels);
+
+ rrddim_add(cg->st_io, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_io, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_io);
+
+ rrddim_set(cg->st_io, "read", cg->io_service_bytes.Read);
+ rrddim_set(cg->st_io, "write", cg->io_service_bytes.Write);
+ rrdset_done(cg->st_io);
+ }
+
+ if(likely(cg->io_serviced.updated && cg->io_serviced.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_serviced_ops)) {
+ snprintfz(title, CHART_TITLE_MAX, "Serviced I/O Operations (all disks)");
+
+ cg->st_serviced_ops = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "serviced_ops"
+ , NULL
+ , "disk"
+ , "cgroup.serviced_ops"
+ , title
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 1200
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_serviced_ops, cg->chart_labels);
+
+ rrddim_add(cg->st_serviced_ops, "read", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_serviced_ops, "write", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_serviced_ops);
+
+ rrddim_set(cg->st_serviced_ops, "read", cg->io_serviced.Read);
+ rrddim_set(cg->st_serviced_ops, "write", cg->io_serviced.Write);
+ rrdset_done(cg->st_serviced_ops);
+ }
+
+ if(likely(cg->throttle_io_service_bytes.updated && cg->throttle_io_service_bytes.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_throttle_io)) {
+ snprintfz(title, CHART_TITLE_MAX, "Throttle I/O Bandwidth (all disks)");
+
+ cg->st_throttle_io = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "throttle_io"
+ , NULL
+ , "disk"
+ , "cgroup.throttle_io"
+ , title
+ , "KiB/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 1200
+ , update_every
+ , RRDSET_TYPE_AREA
+ );
+
+ rrdset_update_labels(cg->st_throttle_io, cg->chart_labels);
+
+ rrddim_add(cg->st_throttle_io, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_throttle_io, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_throttle_io);
+
+ rrddim_set(cg->st_throttle_io, "read", cg->throttle_io_service_bytes.Read);
+ rrddim_set(cg->st_throttle_io, "write", cg->throttle_io_service_bytes.Write);
+ rrdset_done(cg->st_throttle_io);
+ }
+
+ if(likely(cg->throttle_io_serviced.updated && cg->throttle_io_serviced.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_throttle_serviced_ops)) {
+ snprintfz(title, CHART_TITLE_MAX, "Throttle Serviced I/O Operations (all disks)");
+
+ cg->st_throttle_serviced_ops = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "throttle_serviced_ops"
+ , NULL
+ , "disk"
+ , "cgroup.throttle_serviced_ops"
+ , title
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 1200
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_throttle_serviced_ops, cg->chart_labels);
+
+ rrddim_add(cg->st_throttle_serviced_ops, "read", NULL, 1, 1, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_throttle_serviced_ops, "write", NULL, -1, 1, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_throttle_serviced_ops);
+
+ rrddim_set(cg->st_throttle_serviced_ops, "read", cg->throttle_io_serviced.Read);
+ rrddim_set(cg->st_throttle_serviced_ops, "write", cg->throttle_io_serviced.Write);
+ rrdset_done(cg->st_throttle_serviced_ops);
+ }
+
+ if(likely(cg->io_queued.updated && cg->io_queued.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_queued_ops)) {
+ snprintfz(title, CHART_TITLE_MAX, "Queued I/O Operations (all disks)");
+
+ cg->st_queued_ops = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "queued_ops"
+ , NULL
+ , "disk"
+ , "cgroup.queued_ops"
+ , title
+ , "operations"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2000
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_queued_ops, cg->chart_labels);
+
+ rrddim_add(cg->st_queued_ops, "read", NULL, 1, 1, RRD_ALGORITHM_ABSOLUTE);
+ rrddim_add(cg->st_queued_ops, "write", NULL, -1, 1, RRD_ALGORITHM_ABSOLUTE);
+ }
+ else
+ rrdset_next(cg->st_queued_ops);
+
+ rrddim_set(cg->st_queued_ops, "read", cg->io_queued.Read);
+ rrddim_set(cg->st_queued_ops, "write", cg->io_queued.Write);
+ rrdset_done(cg->st_queued_ops);
+ }
+
+ if(likely(cg->io_merged.updated && cg->io_merged.enabled == CONFIG_BOOLEAN_YES)) {
+ if(unlikely(!cg->st_merged_ops)) {
+ snprintfz(title, CHART_TITLE_MAX, "Merged I/O Operations (all disks)");
+
+ cg->st_merged_ops = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "merged_ops"
+ , NULL
+ , "disk"
+ , "cgroup.merged_ops"
+ , title
+ , "operations/s"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2100
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(cg->st_merged_ops, cg->chart_labels);
+
+ rrddim_add(cg->st_merged_ops, "read", NULL, 1, 1024, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(cg->st_merged_ops, "write", NULL, -1, 1024, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(cg->st_merged_ops);
+
+ rrddim_set(cg->st_merged_ops, "read", cg->io_merged.Read);
+ rrddim_set(cg->st_merged_ops, "write", cg->io_merged.Write);
+ rrdset_done(cg->st_merged_ops);
+ }
+
+ if (cg->options & CGROUP_OPTIONS_IS_UNIFIED) {
+ struct pressure *res = &cg->cpu_pressure;
+ if (likely(res->updated && res->some.enabled)) {
+ if (unlikely(!res->some.st)) {
+ RRDSET *chart;
+ snprintfz(title, CHART_TITLE_MAX, "CPU pressure");
+
+ chart = res->some.st = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "cpu_pressure"
+ , NULL
+ , "cpu"
+ , "cgroup.cpu_pressure"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2200
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(chart = res->some.st, cg->chart_labels);
+
+ res->some.rd10 = rrddim_add(chart, "some 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->some.rd60 = rrddim_add(chart, "some 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->some.rd300 = rrddim_add(chart, "some 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(res->some.st);
+ }
+
+ update_pressure_chart(&res->some);
+ }
+
+ res = &cg->memory_pressure;
+ if (likely(res->updated && res->some.enabled)) {
+ if (unlikely(!res->some.st)) {
+ RRDSET *chart;
+ snprintfz(title, CHART_TITLE_MAX, "Memory pressure");
+
+ chart = res->some.st = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem_pressure"
+ , NULL
+ , "mem"
+ , "cgroup.memory_pressure"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2300
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(chart = res->some.st, cg->chart_labels);
+
+ res->some.rd10 = rrddim_add(chart, "some 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->some.rd60 = rrddim_add(chart, "some 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->some.rd300 = rrddim_add(chart, "some 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(res->some.st);
+ }
+
+ update_pressure_chart(&res->some);
+ }
+
+ if (likely(res->updated && res->full.enabled)) {
+ if (unlikely(!res->full.st)) {
+ RRDSET *chart;
+ snprintfz(title, CHART_TITLE_MAX, "Memory full pressure");
+
+ chart = res->full.st = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "mem_full_pressure"
+ , NULL
+ , "mem"
+ , "cgroup.memory_full_pressure"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2350
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(chart = res->full.st, cg->chart_labels);
+
+ res->full.rd10 = rrddim_add(chart, "full 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->full.rd60 = rrddim_add(chart, "full 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->full.rd300 = rrddim_add(chart, "full 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(res->full.st);
+ }
+
+ update_pressure_chart(&res->full);
+ }
+
+ res = &cg->io_pressure;
+ if (likely(res->updated && res->some.enabled)) {
+ if (unlikely(!res->some.st)) {
+ RRDSET *chart;
+ snprintfz(title, CHART_TITLE_MAX, "I/O pressure");
+
+ chart = res->some.st = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "io_pressure"
+ , NULL
+ , "disk"
+ , "cgroup.io_pressure"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2400
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(chart = res->some.st, cg->chart_labels);
+
+ res->some.rd10 = rrddim_add(chart, "some 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->some.rd60 = rrddim_add(chart, "some 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->some.rd300 = rrddim_add(chart, "some 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(res->some.st);
+ }
+
+ update_pressure_chart(&res->some);
+ }
+
+ if (likely(res->updated && res->full.enabled)) {
+ if (unlikely(!res->full.st)) {
+ RRDSET *chart;
+ snprintfz(title, CHART_TITLE_MAX, "I/O full pressure");
+
+ chart = res->full.st = rrdset_create_localhost(
+ cgroup_chart_type(type, cg->chart_id, RRD_ID_LENGTH_MAX)
+ , "io_full_pressure"
+ , NULL
+ , "disk"
+ , "cgroup.io_full_pressure"
+ , title
+ , "percentage"
+ , PLUGIN_CGROUPS_NAME
+ , PLUGIN_CGROUPS_MODULE_CGROUPS_NAME
+ , cgroup_containers_chart_priority + 2450
+ , update_every
+ , RRDSET_TYPE_LINE
+ );
+
+ rrdset_update_labels(chart = res->full.st, cg->chart_labels);
+
+ res->full.rd10 = rrddim_add(chart, "full 10", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->full.rd60 = rrddim_add(chart, "full 60", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ res->full.rd300 = rrddim_add(chart, "full 300", NULL, 1, 100, RRD_ALGORITHM_ABSOLUTE);
+ } else {
+ rrdset_next(res->full.st);
+ }
+
+ update_pressure_chart(&res->full);
+ }
+ }
+ }
+
+ if(likely(cgroup_enable_systemd_services))
+ update_systemd_services_charts(update_every, services_do_cpu, services_do_mem_usage, services_do_mem_detailed
+ , services_do_mem_failcnt, services_do_swap_usage, services_do_io
+ , services_do_io_ops, services_do_throttle_io, services_do_throttle_ops
+ , services_do_queued_ops, services_do_merged_ops
+ );
+
+ debug(D_CGROUP, "done updating cgroups charts");
+}
+
+// ----------------------------------------------------------------------------
+// cgroups main
+
+static void cgroup_main_cleanup(void *ptr) {
+ struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
+ static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
+
+ info("cleaning up...");
+
+ usec_t max = 2 * USEC_PER_SEC, step = 50000;
+
+ if (!discovery_thread.exited) {
+ info("stopping discovery thread worker");
+ uv_mutex_lock(&discovery_thread.mutex);
+ discovery_thread.start_discovery = 1;
+ uv_cond_signal(&discovery_thread.cond_var);
+ uv_mutex_unlock(&discovery_thread.mutex);
+ }
+
+ while (!discovery_thread.exited && max > 0) {
+ max -= step;
+ info("waiting for discovery thread to finish...");
+ sleep_usec(step);
+ }
+
+ static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
+}
+
+void *cgroups_main(void *ptr) {
+ netdata_thread_cleanup_push(cgroup_main_cleanup, ptr);
+
+ struct rusage thread;
+
+ // when ZERO, attempt to do it
+ int vdo_cpu_netdata = config_get_boolean("plugin:cgroups", "cgroups plugin resource charts", 1);
+
+ read_cgroup_plugin_configuration();
+
+ RRDSET *stcpu_thread = NULL;
+
+ if (uv_mutex_init(&cgroup_root_mutex)) {
+ error("CGROUP: cannot initialize mutex for the main cgroup list");
+ goto exit;
+ }
+
+ // dispatch a discovery worker thread
+ discovery_thread.start_discovery = 0;
+ discovery_thread.exited = 0;
+
+ if (uv_mutex_init(&discovery_thread.mutex)) {
+ error("CGROUP: cannot initialize mutex for discovery thread");
+ goto exit;
+ }
+ if (uv_cond_init(&discovery_thread.cond_var)) {
+ error("CGROUP: cannot initialize conditional variable for discovery thread");
+ goto exit;
+ }
+
+ int error = uv_thread_create(&discovery_thread.thread, cgroup_discovery_worker, NULL);
+ if (error) {
+ error("CGROUP: cannot create tread worker. uv_thread_create(): %s", uv_strerror(error));
+ goto exit;
+ }
+ uv_thread_set_name_np(discovery_thread.thread, "PLUGIN[cgroups]");
+
+ heartbeat_t hb;
+ heartbeat_init(&hb);
+ usec_t step = cgroup_update_every * USEC_PER_SEC;
+ usec_t find_every = cgroup_check_for_new_every * USEC_PER_SEC, find_dt = 0;
+
+ while(!netdata_exit) {
+ usec_t hb_dt = heartbeat_next(&hb, step);
+ if(unlikely(netdata_exit)) break;
+
+ find_dt += hb_dt;
+ if(unlikely(find_dt >= find_every || cgroups_check)) {
+ uv_cond_signal(&discovery_thread.cond_var);
+ discovery_thread.start_discovery = 1;
+ find_dt = 0;
+ cgroups_check = 0;
+ }
+
+ uv_mutex_lock(&cgroup_root_mutex);
+ read_all_cgroups(cgroup_root);
+ update_cgroup_charts(cgroup_update_every);
+ uv_mutex_unlock(&cgroup_root_mutex);
+
+ // --------------------------------------------------------------------
+
+ if(vdo_cpu_netdata) {
+ getrusage(RUSAGE_THREAD, &thread);
+
+ if(unlikely(!stcpu_thread)) {
+
+ stcpu_thread = rrdset_create_localhost(
+ "netdata"
+ , "plugin_cgroups_cpu"
+ , NULL
+ , "cgroups"
+ , NULL
+ , "NetData CGroups Plugin CPU usage"
+ , "milliseconds/s"
+ , PLUGIN_CGROUPS_NAME
+ , "stats"
+ , 132000
+ , cgroup_update_every
+ , RRDSET_TYPE_STACKED
+ );
+
+ rrddim_add(stcpu_thread, "user", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
+ rrddim_add(stcpu_thread, "system", NULL, 1, 1000, RRD_ALGORITHM_INCREMENTAL);
+ }
+ else
+ rrdset_next(stcpu_thread);
+
+ rrddim_set(stcpu_thread, "user" , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
+ rrddim_set(stcpu_thread, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
+ rrdset_done(stcpu_thread);
+ }
+ }
+
+exit:
+ netdata_thread_cleanup_pop(1);
+ return NULL;
+}