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-rw-r--r--collectors/proc.plugin/plugin_proc.c189
1 files changed, 189 insertions, 0 deletions
diff --git a/collectors/proc.plugin/plugin_proc.c b/collectors/proc.plugin/plugin_proc.c
new file mode 100644
index 0000000..1b24df4
--- /dev/null
+++ b/collectors/proc.plugin/plugin_proc.c
@@ -0,0 +1,189 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#include "plugin_proc.h"
+
+static struct proc_module {
+ const char *name;
+ const char *dim;
+
+ int enabled;
+
+ int (*func)(int update_every, usec_t dt);
+
+ RRDDIM *rd;
+
+} proc_modules[] = {
+
+ // system metrics
+ {.name = "/proc/stat", .dim = "stat", .func = do_proc_stat},
+ {.name = "/proc/uptime", .dim = "uptime", .func = do_proc_uptime},
+ {.name = "/proc/loadavg", .dim = "loadavg", .func = do_proc_loadavg},
+ {.name = "/proc/sys/kernel/random/entropy_avail", .dim = "entropy", .func = do_proc_sys_kernel_random_entropy_avail},
+
+ // pressure metrics
+ {.name = "/proc/pressure", .dim = "pressure", .func = do_proc_pressure},
+
+ // CPU metrics
+ {.name = "/proc/interrupts", .dim = "interrupts", .func = do_proc_interrupts},
+ {.name = "/proc/softirqs", .dim = "softirqs", .func = do_proc_softirqs},
+
+ // memory metrics
+ {.name = "/proc/vmstat", .dim = "vmstat", .func = do_proc_vmstat},
+ {.name = "/proc/meminfo", .dim = "meminfo", .func = do_proc_meminfo},
+ {.name = "/sys/kernel/mm/ksm", .dim = "ksm", .func = do_sys_kernel_mm_ksm},
+ {.name = "/sys/block/zram", .dim = "zram", .func = do_sys_block_zram},
+ {.name = "/sys/devices/system/edac/mc", .dim = "ecc", .func = do_proc_sys_devices_system_edac_mc},
+ {.name = "/sys/devices/system/node", .dim = "numa", .func = do_proc_sys_devices_system_node},
+ {.name = "/proc/pagetypeinfo", .dim = "pagetypeinfo", .func = do_proc_pagetypeinfo},
+
+ // network metrics
+ {.name = "/proc/net/wireless", .dim = "netwireless", .func = do_proc_net_wireless},
+ {.name = "/proc/net/sockstat", .dim = "sockstat", .func = do_proc_net_sockstat},
+ {.name = "/proc/net/sockstat6", .dim = "sockstat6", .func = do_proc_net_sockstat6},
+ {.name = "/proc/net/netstat", .dim = "netstat", .func = do_proc_net_netstat},
+ {.name = "/proc/net/sctp/snmp", .dim = "sctp", .func = do_proc_net_sctp_snmp},
+ {.name = "/proc/net/softnet_stat", .dim = "softnet", .func = do_proc_net_softnet_stat},
+ {.name = "/proc/net/ip_vs/stats", .dim = "ipvs", .func = do_proc_net_ip_vs_stats},
+ {.name = "/sys/class/infiniband", .dim = "infiniband", .func = do_sys_class_infiniband},
+
+ // firewall metrics
+ {.name = "/proc/net/stat/conntrack", .dim = "conntrack", .func = do_proc_net_stat_conntrack},
+ {.name = "/proc/net/stat/synproxy", .dim = "synproxy", .func = do_proc_net_stat_synproxy},
+
+ // disk metrics
+ {.name = "/proc/diskstats", .dim = "diskstats", .func = do_proc_diskstats},
+ {.name = "/proc/mdstat", .dim = "mdstat", .func = do_proc_mdstat},
+
+ // NFS metrics
+ {.name = "/proc/net/rpc/nfsd", .dim = "nfsd", .func = do_proc_net_rpc_nfsd},
+ {.name = "/proc/net/rpc/nfs", .dim = "nfs", .func = do_proc_net_rpc_nfs},
+
+ // ZFS metrics
+ {.name = "/proc/spl/kstat/zfs/arcstats", .dim = "zfs_arcstats", .func = do_proc_spl_kstat_zfs_arcstats},
+ {.name = "/proc/spl/kstat/zfs/pool/state",.dim = "zfs_pool_state",.func = do_proc_spl_kstat_zfs_pool_state},
+
+ // BTRFS metrics
+ {.name = "/sys/fs/btrfs", .dim = "btrfs", .func = do_sys_fs_btrfs},
+
+ // IPC metrics
+ {.name = "ipc", .dim = "ipc", .func = do_ipc},
+
+ {.name = "/sys/class/power_supply", .dim = "power_supply", .func = do_sys_class_power_supply},
+ // linux power supply metrics
+
+ // the terminator of this array
+ {.name = NULL, .dim = NULL, .func = NULL}
+};
+
+#if WORKER_UTILIZATION_MAX_JOB_TYPES < 36
+#error WORKER_UTILIZATION_MAX_JOB_TYPES has to be at least 36
+#endif
+
+static netdata_thread_t *netdev_thread = NULL;
+
+static void proc_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...");
+
+ if (netdev_thread) {
+ netdata_thread_join(*netdev_thread, NULL);
+ freez(netdev_thread);
+ }
+
+ static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
+
+ worker_unregister();
+}
+
+void *proc_main(void *ptr)
+{
+ worker_register("PROC");
+
+ if (config_get_boolean("plugin:proc", "/proc/net/dev", CONFIG_BOOLEAN_YES)) {
+ netdev_thread = mallocz(sizeof(netdata_thread_t));
+ debug(D_SYSTEM, "Starting thread %s.", THREAD_NETDEV_NAME);
+ netdata_thread_create(
+ netdev_thread, THREAD_NETDEV_NAME, NETDATA_THREAD_OPTION_JOINABLE, netdev_main, netdev_thread);
+ }
+
+ netdata_thread_cleanup_push(proc_main_cleanup, ptr);
+
+ config_get_boolean("plugin:proc", "/proc/pagetypeinfo", CONFIG_BOOLEAN_NO);
+
+ // check the enabled status for each module
+ int i;
+ for (i = 0; proc_modules[i].name; i++) {
+ struct proc_module *pm = &proc_modules[i];
+
+ pm->enabled = config_get_boolean("plugin:proc", pm->name, CONFIG_BOOLEAN_YES);
+ pm->rd = NULL;
+
+ worker_register_job_name(i, proc_modules[i].dim);
+ }
+
+ usec_t step = localhost->rrd_update_every * USEC_PER_SEC;
+ heartbeat_t hb;
+ heartbeat_init(&hb);
+
+ while (!netdata_exit) {
+ worker_is_idle();
+ usec_t hb_dt = heartbeat_next(&hb, step);
+
+ if (unlikely(netdata_exit))
+ break;
+
+ for (i = 0; proc_modules[i].name; i++) {
+ if (unlikely(netdata_exit))
+ break;
+
+ struct proc_module *pm = &proc_modules[i];
+ if (unlikely(!pm->enabled))
+ continue;
+
+ debug(D_PROCNETDEV_LOOP, "PROC calling %s.", pm->name);
+
+ worker_is_busy(i);
+ pm->enabled = !pm->func(localhost->rrd_update_every, hb_dt);
+ }
+ }
+
+ netdata_thread_cleanup_pop(1);
+ return NULL;
+}
+
+int get_numa_node_count(void)
+{
+ static int numa_node_count = -1;
+
+ if (numa_node_count != -1)
+ return numa_node_count;
+
+ numa_node_count = 0;
+
+ char name[FILENAME_MAX + 1];
+ snprintfz(name, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/node");
+ char *dirname = config_get("plugin:proc:/sys/devices/system/node", "directory to monitor", name);
+
+ DIR *dir = opendir(dirname);
+ if (dir) {
+ struct dirent *de = NULL;
+ while ((de = readdir(dir))) {
+ if (de->d_type != DT_DIR)
+ continue;
+
+ if (strncmp(de->d_name, "node", 4) != 0)
+ continue;
+
+ if (!isdigit(de->d_name[4]))
+ continue;
+
+ numa_node_count++;
+ }
+ closedir(dir);
+ }
+
+ return numa_node_count;
+}