diff options
Diffstat (limited to 'collectors/proc.plugin/plugin_proc.c')
| -rw-r--r-- | collectors/proc.plugin/plugin_proc.c | 189 |
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; +} |