3 static struct proc_module {
9 int (*func)(int update_every, usec_t dt);
18 { .name = "/proc/stat", .dim = "stat", .func = do_proc_stat },
19 { .name = "/proc/uptime", .dim = "uptime", .func = do_proc_uptime },
20 { .name = "/proc/loadavg", .dim = "loadavg", .func = do_proc_loadavg },
21 { .name = "/proc/sys/kernel/random/entropy_avail", .dim = "entropy", .func = do_proc_sys_kernel_random_entropy_avail },
24 { .name = "/proc/interrupts", .dim = "interrupts", .func = do_proc_interrupts },
25 { .name = "/proc/softirqs", .dim = "softirqs", .func = do_proc_softirqs },
28 { .name = "/proc/vmstat", .dim = "vmstat", .func = do_proc_vmstat },
29 { .name = "/proc/meminfo", .dim = "meminfo", .func = do_proc_meminfo },
30 { .name = "/sys/kernel/mm/ksm", .dim = "ksm", .func = do_sys_kernel_mm_ksm },
31 { .name = "/sys/devices/system/edac/mc", .dim = "ecc", .func = do_proc_sys_devices_system_edac_mc },
32 { .name = "/sys/devices/system/node", .dim = "numa", .func = do_proc_sys_devices_system_node },
35 { .name = "/proc/net/dev", .dim = "netdev", .func = do_proc_net_dev },
36 { .name = "/proc/net/netstat", .dim = "netstat", .func = do_proc_net_netstat },
37 { .name = "/proc/net/snmp", .dim = "snmp", .func = do_proc_net_snmp },
38 { .name = "/proc/net/snmp6", .dim = "snmp6", .func = do_proc_net_snmp6 },
39 { .name = "/proc/net/softnet_stat", .dim = "softnet", .func = do_proc_net_softnet_stat },
40 { .name = "/proc/net/ip_vs/stats", .dim = "ipvs", .func = do_proc_net_ip_vs_stats },
43 { .name = "/proc/net/stat/conntrack", .dim = "conntrack", .func = do_proc_net_stat_conntrack },
44 { .name = "/proc/net/stat/synproxy", .dim = "synproxy", .func = do_proc_net_stat_synproxy },
47 { .name = "/proc/diskstats", .dim = "diskstats", .func = do_proc_diskstats },
50 { .name = "/proc/net/rpc/nfsd", .dim = "nfsd", .func = do_proc_net_rpc_nfsd },
51 { .name = "/proc/net/rpc/nfs", .dim = "nfs", .func = do_proc_net_rpc_nfs },
54 { .name = "ipc", .dim = "ipc", .func = do_ipc },
56 // the terminator of this array
57 { .name = NULL, .dim = NULL, .func = NULL }
60 void *proc_main(void *ptr) {
61 struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
63 info("PROC Plugin thread created with task id %d", gettid());
65 if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
66 error("Cannot set pthread cancel type to DEFERRED.");
68 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
69 error("Cannot set pthread cancel state to ENABLE.");
71 int vdo_cpu_netdata = config_get_boolean("plugin:proc", "netdata server resources", 1);
73 // check the enabled status for each module
75 for(i = 0 ; proc_modules[i].name ;i++) {
76 struct proc_module *pm = &proc_modules[i];
78 pm->enabled = config_get_boolean("plugin:proc", pm->name, 1);
79 pm->last_run_usec = 0ULL;
84 usec_t step = rrd_update_every * USEC_PER_SEC;
86 usec_t now = now_monotonic_usec();
87 usec_t next = now - (now % step) + step;
90 sleep_usec(next - now);
91 now = now_monotonic_usec();
94 if(unlikely(netdata_exit)) break;
96 // BEGIN -- the job to be done
98 for(i = 0 ; proc_modules[i].name ;i++) {
99 struct proc_module *pm = &proc_modules[i];
100 if(unlikely(!pm->enabled)) continue;
102 debug(D_PROCNETDEV_LOOP, "PROC calling %s.", pm->name);
104 pm->enabled = !pm->func(rrd_update_every, (pm->last_run_usec > 0)?now - pm->last_run_usec:0ULL);
105 pm->last_run_usec = now;
107 now = now_monotonic_usec();
108 pm->duration = now - pm->last_run_usec;
110 if(unlikely(netdata_exit)) break;
113 // END -- the job is done
115 // --------------------------------------------------------------------
117 if(vdo_cpu_netdata) {
118 static RRDSET *st = NULL;
121 st = rrdset_find_bytype("netdata", "plugin_proc_modules");
124 st = rrdset_create("netdata", "plugin_proc_modules", NULL, "proc", NULL, "NetData Proc Plugin Modules Durations", "milliseconds/run", 132001, rrd_update_every, RRDSET_TYPE_STACKED);
126 for(i = 0 ; proc_modules[i].name ;i++) {
127 struct proc_module *pm = &proc_modules[i];
128 if(unlikely(!pm->enabled)) continue;
130 pm->rd = rrddim_add(st, pm->dim, NULL, 1, 1000, RRDDIM_ABSOLUTE);
134 else rrdset_next(st);
136 for(i = 0 ; proc_modules[i].name ;i++) {
137 struct proc_module *pm = &proc_modules[i];
138 if(unlikely(!pm->enabled)) continue;
140 rrddim_set_by_pointer(st, pm->rd, pm->duration);
144 global_statistics_charts();
145 registry_statistics();
149 info("PROC thread exiting");
151 static_thread->enabled = 0;
156 int get_numa_node_count(void)
158 static int numa_node_count = -1;
160 if (numa_node_count != -1)
161 return numa_node_count;
165 char name[FILENAME_MAX + 1];
166 snprintfz(name, FILENAME_MAX, "%s%s", global_host_prefix, "/sys/devices/system/node");
167 char *dirname = config_get("plugin:proc:/sys/devices/system/node", "directory to monitor", name);
169 DIR *dir = opendir(dirname);
171 struct dirent *de = NULL;
172 while((de = readdir(dir))) {
173 if(de->d_type != DT_DIR)
176 if(strncmp(de->d_name, "node", 4) != 0)
179 if(!isdigit(de->d_name[4]))
187 return numa_node_count;