3 static struct proc_module {
9 int (*func)(int update_every, usec_t dt);
17 { .name = "/proc/stat", .dim = "stat", .func = do_proc_stat },
18 { .name = "/proc/uptime", .dim = "uptime", .func = do_proc_uptime },
19 { .name = "/proc/loadavg", .dim = "loadavg", .func = do_proc_loadavg },
20 { .name = "/proc/sys/kernel/random/entropy_avail", .dim = "entropy", .func = do_proc_sys_kernel_random_entropy_avail },
23 { .name = "/proc/interrupts", .dim = "interrupts", .func = do_proc_interrupts },
24 { .name = "/proc/softirqs", .dim = "softirqs", .func = do_proc_softirqs },
27 { .name = "/proc/vmstat", .dim = "vmstat", .func = do_proc_vmstat },
28 { .name = "/proc/meminfo", .dim = "meminfo", .func = do_proc_meminfo },
29 { .name = "/sys/kernel/mm/ksm", .dim = "ksm", .func = do_sys_kernel_mm_ksm },
30 { .name = "/sys/devices/system/edac/mc", .dim = "ecc", .func = do_proc_sys_devices_system_edac_mc },
31 { .name = "/sys/devices/system/node", .dim = "numa", .func = do_proc_sys_devices_system_node },
34 { .name = "/proc/net/dev", .dim = "netdev", .func = do_proc_net_dev },
35 { .name = "/proc/net/netstat", .dim = "netstat", .func = do_proc_net_netstat },
36 { .name = "/proc/net/snmp", .dim = "snmp", .func = do_proc_net_snmp },
37 { .name = "/proc/net/snmp6", .dim = "snmp6", .func = do_proc_net_snmp6 },
38 { .name = "/proc/net/softnet_stat", .dim = "softnet", .func = do_proc_net_softnet_stat },
39 { .name = "/proc/net/ip_vs/stats", .dim = "ipvs", .func = do_proc_net_ip_vs_stats },
42 { .name = "/proc/net/stat/conntrack", .dim = "conntrack", .func = do_proc_net_stat_conntrack },
43 { .name = "/proc/net/stat/synproxy", .dim = "synproxy", .func = do_proc_net_stat_synproxy },
46 { .name = "/proc/diskstats", .dim = "diskstats", .func = do_proc_diskstats },
49 { .name = "/proc/net/rpc/nfsd", .dim = "nfsd", .func = do_proc_net_rpc_nfsd },
50 { .name = "/proc/net/rpc/nfs", .dim = "nfs", .func = do_proc_net_rpc_nfs },
53 { .name = "ipc", .dim = "ipc", .func = do_ipc },
55 // the terminator of this array
56 { .name = NULL, .dim = NULL, .func = NULL }
59 void *proc_main(void *ptr) {
60 struct netdata_static_thread *static_thread = (struct netdata_static_thread *)ptr;
62 info("PROC Plugin thread created with task id %d", gettid());
64 if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
65 error("Cannot set pthread cancel type to DEFERRED.");
67 if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
68 error("Cannot set pthread cancel state to ENABLE.");
70 int vdo_cpu_netdata = config_get_boolean("plugin:proc", "netdata server resources", 1);
72 // check the enabled status for each module
74 for(i = 0 ; proc_modules[i].name ;i++) {
75 struct proc_module *pm = &proc_modules[i];
77 pm->enabled = config_get_boolean("plugin:proc", pm->name, 1);
82 usec_t step = localhost->rrd_update_every * USEC_PER_SEC;
87 usec_t hb_dt = heartbeat_next(&hb, step);
88 usec_t duration = 0ULL;
90 if(unlikely(netdata_exit)) break;
92 // BEGIN -- the job to be done
94 for(i = 0 ; proc_modules[i].name ;i++) {
95 struct proc_module *pm = &proc_modules[i];
96 if(unlikely(!pm->enabled)) continue;
98 debug(D_PROCNETDEV_LOOP, "PROC calling %s.", pm->name);
100 pm->enabled = !pm->func(localhost->rrd_update_every, hb_dt);
101 pm->duration = heartbeat_dt_usec(&hb) - duration;
102 duration += pm->duration;
104 if(unlikely(netdata_exit)) break;
107 // END -- the job is done
109 // --------------------------------------------------------------------
111 if(vdo_cpu_netdata) {
112 static RRDSET *st = NULL;
115 st = rrdset_find_bytype_localhost("netdata", "plugin_proc_modules");
118 st = rrdset_create_localhost("netdata", "plugin_proc_modules", NULL, "proc", NULL
119 , "NetData Proc Plugin Modules Durations", "milliseconds/run", 132001
120 , localhost->rrd_update_every, RRDSET_TYPE_STACKED);
122 for(i = 0 ; proc_modules[i].name ;i++) {
123 struct proc_module *pm = &proc_modules[i];
124 if(unlikely(!pm->enabled)) continue;
126 pm->rd = rrddim_add(st, pm->dim, NULL, 1, 1000, RRD_ALGORITHM_ABSOLUTE);
130 else rrdset_next(st);
132 for(i = 0 ; proc_modules[i].name ;i++) {
133 struct proc_module *pm = &proc_modules[i];
134 if(unlikely(!pm->enabled)) continue;
136 rrddim_set_by_pointer(st, pm->rd, pm->duration);
140 global_statistics_charts();
141 registry_statistics();
145 info("PROC thread exiting");
147 static_thread->enabled = 0;
152 int get_numa_node_count(void)
154 static int numa_node_count = -1;
156 if (numa_node_count != -1)
157 return numa_node_count;
161 char name[FILENAME_MAX + 1];
162 snprintfz(name, FILENAME_MAX, "%s%s", netdata_configured_host_prefix, "/sys/devices/system/node");
163 char *dirname = config_get("plugin:proc:/sys/devices/system/node", "directory to monitor", name);
165 DIR *dir = opendir(dirname);
167 struct dirent *de = NULL;
168 while((de = readdir(dir))) {
169 if(de->d_type != DT_DIR)
172 if(strncmp(de->d_name, "node", 4) != 0)
175 if(!isdigit(de->d_name[4]))
183 return numa_node_count;