224 lines
7.9 KiB
C
224 lines
7.9 KiB
C
// SPDX-License-Identifier: GPL-3.0-or-later
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#include "plugin_proc.h"
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static struct proc_module {
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const char *name;
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const char *dim;
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int enabled;
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int (*func)(int update_every, usec_t dt);
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usec_t duration;
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RRDDIM *rd;
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} proc_modules[] = {
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// system metrics
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{ .name = "/proc/stat", .dim = "stat", .func = do_proc_stat },
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{ .name = "/proc/uptime", .dim = "uptime", .func = do_proc_uptime },
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{ .name = "/proc/loadavg", .dim = "loadavg", .func = do_proc_loadavg },
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{ .name = "/proc/sys/kernel/random/entropy_avail", .dim = "entropy", .func = do_proc_sys_kernel_random_entropy_avail },
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// CPU metrics
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{ .name = "/proc/interrupts", .dim = "interrupts", .func = do_proc_interrupts },
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{ .name = "/proc/softirqs", .dim = "softirqs", .func = do_proc_softirqs },
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// memory metrics
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{ .name = "/proc/vmstat", .dim = "vmstat", .func = do_proc_vmstat },
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{ .name = "/proc/meminfo", .dim = "meminfo", .func = do_proc_meminfo },
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{ .name = "/sys/kernel/mm/ksm", .dim = "ksm", .func = do_sys_kernel_mm_ksm },
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{ .name = "/sys/block/zram", .dim = "zram", .func = do_sys_block_zram },
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{ .name = "/sys/devices/system/edac/mc", .dim = "ecc", .func = do_proc_sys_devices_system_edac_mc },
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{ .name = "/sys/devices/system/node", .dim = "numa", .func = do_proc_sys_devices_system_node },
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{ .name = "/proc/pagetypeinfo", .dim = "pagetypeinfo", .func = do_proc_pagetypeinfo },
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// network metrics
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{ .name = "/proc/net/dev", .dim = "netdev", .func = do_proc_net_dev },
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{ .name = "/proc/net/sockstat", .dim = "sockstat", .func = do_proc_net_sockstat },
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{ .name = "/proc/net/sockstat6", .dim = "sockstat6", .func = do_proc_net_sockstat6 },
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{ .name = "/proc/net/netstat", .dim = "netstat", .func = do_proc_net_netstat }, // this has to be before /proc/net/snmp, because there is a shared metric
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{ .name = "/proc/net/snmp", .dim = "snmp", .func = do_proc_net_snmp },
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{ .name = "/proc/net/snmp6", .dim = "snmp6", .func = do_proc_net_snmp6 },
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{ .name = "/proc/net/sctp/snmp", .dim = "sctp", .func = do_proc_net_sctp_snmp },
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{ .name = "/proc/net/softnet_stat", .dim = "softnet", .func = do_proc_net_softnet_stat },
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{ .name = "/proc/net/ip_vs/stats", .dim = "ipvs", .func = do_proc_net_ip_vs_stats },
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// firewall metrics
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{ .name = "/proc/net/stat/conntrack", .dim = "conntrack", .func = do_proc_net_stat_conntrack },
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{ .name = "/proc/net/stat/synproxy", .dim = "synproxy", .func = do_proc_net_stat_synproxy },
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// disk metrics
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{ .name = "/proc/diskstats", .dim = "diskstats", .func = do_proc_diskstats },
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{ .name = "/proc/mdstat", .dim = "mdstat", .func = do_proc_mdstat },
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// NFS metrics
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{ .name = "/proc/net/rpc/nfsd", .dim = "nfsd", .func = do_proc_net_rpc_nfsd },
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{ .name = "/proc/net/rpc/nfs", .dim = "nfs", .func = do_proc_net_rpc_nfs },
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// ZFS metrics
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{ .name = "/proc/spl/kstat/zfs/arcstats", .dim = "zfs_arcstats", .func = do_proc_spl_kstat_zfs_arcstats },
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// BTRFS metrics
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{ .name = "/sys/fs/btrfs", .dim = "btrfs", .func = do_sys_fs_btrfs },
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// IPC metrics
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{ .name = "ipc", .dim = "ipc", .func = do_ipc },
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// linux power supply metrics
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{ .name = "/sys/class/power_supply", .dim = "power_supply", .func = do_sys_class_power_supply },
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// the terminator of this array
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{ .name = NULL, .dim = NULL, .func = NULL }
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};
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static void proc_main_cleanup(void *ptr) {
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struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
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static_thread->enabled = NETDATA_MAIN_THREAD_EXITING;
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info("cleaning up...");
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static_thread->enabled = NETDATA_MAIN_THREAD_EXITED;
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}
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void *proc_main(void *ptr) {
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netdata_thread_cleanup_push(proc_main_cleanup, ptr);
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int vdo_cpu_netdata = config_get_boolean("plugin:proc", "netdata server resources", 1);
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// check the enabled status for each module
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int i;
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for(i = 0 ; proc_modules[i].name ;i++) {
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struct proc_module *pm = &proc_modules[i];
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pm->enabled = config_get_boolean("plugin:proc", pm->name, 1);
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pm->duration = 0ULL;
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pm->rd = NULL;
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}
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usec_t step = localhost->rrd_update_every * USEC_PER_SEC;
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heartbeat_t hb;
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heartbeat_init(&hb);
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size_t iterations = 0;
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while(!netdata_exit) {
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iterations++;
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(void)iterations;
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usec_t hb_dt = heartbeat_next(&hb, step);
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usec_t duration = 0ULL;
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if(unlikely(netdata_exit)) break;
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// BEGIN -- the job to be done
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for(i = 0 ; proc_modules[i].name ;i++) {
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struct proc_module *pm = &proc_modules[i];
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if(unlikely(!pm->enabled)) continue;
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debug(D_PROCNETDEV_LOOP, "PROC calling %s.", pm->name);
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//#ifdef NETDATA_LOG_ALLOCATIONS
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// if(pm->func == do_proc_interrupts)
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// log_thread_memory_allocations = iterations;
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//#endif
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pm->enabled = !pm->func(localhost->rrd_update_every, hb_dt);
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pm->duration = heartbeat_monotonic_dt_to_now_usec(&hb) - duration;
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duration += pm->duration;
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//#ifdef NETDATA_LOG_ALLOCATIONS
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// if(pm->func == do_proc_interrupts)
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// log_thread_memory_allocations = 0;
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//#endif
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if(unlikely(netdata_exit)) break;
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}
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// END -- the job is done
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// --------------------------------------------------------------------
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if(vdo_cpu_netdata) {
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static RRDSET *st = NULL;
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if(unlikely(!st)) {
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st = rrdset_find_bytype_localhost("netdata", "plugin_proc_modules");
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if(!st) {
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st = rrdset_create_localhost(
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"netdata"
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, "plugin_proc_modules"
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, NULL
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, "proc"
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, NULL
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, "NetData Proc Plugin Modules Durations"
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, "milliseconds/run"
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, "netdata"
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, "stats"
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, 132001
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, localhost->rrd_update_every
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, RRDSET_TYPE_STACKED
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);
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for(i = 0 ; proc_modules[i].name ;i++) {
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struct proc_module *pm = &proc_modules[i];
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if(unlikely(!pm->enabled)) continue;
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pm->rd = rrddim_add(st, pm->dim, NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
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}
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}
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}
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else rrdset_next(st);
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for(i = 0 ; proc_modules[i].name ;i++) {
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struct proc_module *pm = &proc_modules[i];
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if(unlikely(!pm->enabled)) continue;
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rrddim_set_by_pointer(st, pm->rd, pm->duration);
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}
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rrdset_done(st);
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global_statistics_charts();
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registry_statistics();
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}
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}
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netdata_thread_cleanup_pop(1);
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return NULL;
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}
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int get_numa_node_count(void)
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{
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static int numa_node_count = -1;
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if (numa_node_count != -1)
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return numa_node_count;
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numa_node_count = 0;
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char name[FILENAME_MAX + 1];
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snprintfz(name, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/node");
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char *dirname = config_get("plugin:proc:/sys/devices/system/node", "directory to monitor", name);
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DIR *dir = opendir(dirname);
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if(dir) {
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struct dirent *de = NULL;
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while((de = readdir(dir))) {
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if(de->d_type != DT_DIR)
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continue;
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if(strncmp(de->d_name, "node", 4) != 0)
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continue;
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if(!isdigit(de->d_name[4]))
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continue;
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numa_node_count++;
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}
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closedir(dir);
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}
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return numa_node_count;
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}
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