src/plugin_proc.c

   1 #ifdef HAVE_CONFIG_H
   2 #include <config.h>
   3 #endif
   4 #include <pthread.h>
   5 #include <sys/time.h>
   6 #include <sys/resource.h>
   7 #include <strings.h>
   8 #include <unistd.h>
   9
  10 #include "global_statistics.h"
  11 #include "common.h"
  12 #include "appconfig.h"
  13 #include "log.h"
  14 #include "rrd.h"
  15 #include "plugin_proc.h"
  16 #include "main.h"
  17 #include "registry.h"
  18
  19 void *proc_main(void *ptr)
  20 {
  21         if(ptr) { ; }
  22
  23         info("PROC Plugin thread created with task id %d", gettid());
  24
  25         if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
  26                 error("Cannot set pthread cancel type to DEFERRED.");
  27
  28         if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
  29                 error("Cannot set pthread cancel state to ENABLE.");
  30
  31         struct rusage me, thread;
  32
  33         // disable (by default) various interface that are not needed
  34         config_get_boolean("plugin:proc:/proc/net/dev:lo", "enabled", 0);
  35         config_get_boolean("plugin:proc:/proc/net/dev:fireqos_monitor", "enabled", 0);
  36
  37         // when ZERO, attempt to do it
  38         int vdo_proc_net_dev                    = !config_get_boolean("plugin:proc", "/proc/net/dev", 1);
  39         int vdo_proc_diskstats                  = !config_get_boolean("plugin:proc", "/proc/diskstats", 1);
  40         int vdo_proc_net_snmp                   = !config_get_boolean("plugin:proc", "/proc/net/snmp", 1);
  41         int vdo_proc_net_snmp6                  = !config_get_boolean("plugin:proc", "/proc/net/snmp6", 1);
  42         int vdo_proc_net_netstat                = !config_get_boolean("plugin:proc", "/proc/net/netstat", 1);
  43         int vdo_proc_net_stat_conntrack = !config_get_boolean("plugin:proc", "/proc/net/stat/conntrack", 1);
  44         int vdo_proc_net_ip_vs_stats    = !config_get_boolean("plugin:proc", "/proc/net/ip_vs/stats", 1);
  45         int vdo_proc_net_stat_synproxy  = !config_get_boolean("plugin:proc", "/proc/net/stat/synproxy", 1);
  46         int vdo_proc_stat                               = !config_get_boolean("plugin:proc", "/proc/stat", 1);
  47         int vdo_proc_meminfo                    = !config_get_boolean("plugin:proc", "/proc/meminfo", 1);
  48         int vdo_proc_vmstat                     = !config_get_boolean("plugin:proc", "/proc/vmstat", 1);
  49         int vdo_proc_net_rpc_nfsd               = !config_get_boolean("plugin:proc", "/proc/net/rpc/nfsd", 1);
  50         int vdo_proc_sys_kernel_random_entropy_avail    = !config_get_boolean("plugin:proc", "/proc/sys/kernel/random/entropy_avail", 1);
  51         int vdo_proc_interrupts                 = !config_get_boolean("plugin:proc", "/proc/interrupts", 1);
  52         int vdo_proc_softirqs                   = !config_get_boolean("plugin:proc", "/proc/softirqs", 1);
  53         int vdo_proc_loadavg                    = !config_get_boolean("plugin:proc", "/proc/loadavg", 1);
  54         int vdo_sys_kernel_mm_ksm               = !config_get_boolean("plugin:proc", "/sys/kernel/mm/ksm", 1);
  55         int vdo_cpu_netdata                     = !config_get_boolean("plugin:proc", "netdata server resources", 1);
  56
  57         // keep track of the time each module was called
  58         unsigned long long sutime_proc_net_dev = 0ULL;
  59         unsigned long long sutime_proc_diskstats = 0ULL;
  60         unsigned long long sutime_proc_net_snmp = 0ULL;
  61         unsigned long long sutime_proc_net_snmp6 = 0ULL;
  62         unsigned long long sutime_proc_net_netstat = 0ULL;
  63         unsigned long long sutime_proc_net_stat_conntrack = 0ULL;
  64         unsigned long long sutime_proc_net_ip_vs_stats = 0ULL;
  65         unsigned long long sutime_proc_net_stat_synproxy = 0ULL;
  66         unsigned long long sutime_proc_stat = 0ULL;
  67         unsigned long long sutime_proc_meminfo = 0ULL;
  68         unsigned long long sutime_proc_vmstat = 0ULL;
  69         unsigned long long sutime_proc_net_rpc_nfsd = 0ULL;
  70         unsigned long long sutime_proc_sys_kernel_random_entropy_avail = 0ULL;
  71         unsigned long long sutime_proc_interrupts = 0ULL;
  72         unsigned long long sutime_proc_softirqs = 0ULL;
  73         unsigned long long sutime_proc_loadavg = 0ULL;
  74         unsigned long long sutime_sys_kernel_mm_ksm = 0ULL;
  75
  76         // the next time we will run - aligned properly
  77         unsigned long long sunext = (time(NULL) - (time(NULL) % rrd_update_every) + rrd_update_every) * 1000000ULL;
  78         unsigned long long sunow;
  79
  80         RRDSET *stcpu = NULL, *stcpu_thread = NULL, *stclients = NULL, *streqs = NULL, *stbytes = NULL;
  81
  82         for(;1;) {
  83                 if(unlikely(netdata_exit)) break;
  84
  85                 // delay until it is our time to run
  86                 while((sunow = timems()) < sunext)
  87                         usleep((useconds_t)(sunext - sunow));
  88
  89                 // find the next time we need to run
  90                 while(timems() > sunext)
  91                         sunext += rrd_update_every * 1000000ULL;
  92
  93                 if(unlikely(netdata_exit)) break;
  94
  95                 // BEGIN -- the job to be done
  96
  97                 if(!vdo_sys_kernel_mm_ksm) {
  98                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_sys_kernel_mm_ksm().");
  99
 100                         sunow = timems();
 101                         vdo_sys_kernel_mm_ksm = do_sys_kernel_mm_ksm(rrd_update_every, (sutime_sys_kernel_mm_ksm > 0)?sunow - sutime_sys_kernel_mm_ksm:0ULL);
 102                         sutime_sys_kernel_mm_ksm = sunow;
 103                 }
 104                 if(unlikely(netdata_exit)) break;
 105
 106                 if(!vdo_proc_loadavg) {
 107                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_loadavg().");
 108                         sunow = timems();
 109                         vdo_proc_loadavg = do_proc_loadavg(rrd_update_every, (sutime_proc_loadavg > 0)?sunow - sutime_proc_loadavg:0ULL);
 110                         sutime_proc_loadavg = sunow;
 111                 }
 112                 if(unlikely(netdata_exit)) break;
 113
 114                 if(!vdo_proc_interrupts) {
 115                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_interrupts().");
 116                         sunow = timems();
 117                         vdo_proc_interrupts = do_proc_interrupts(rrd_update_every, (sutime_proc_interrupts > 0)?sunow - sutime_proc_interrupts:0ULL);
 118                         sutime_proc_interrupts = sunow;
 119                 }
 120                 if(unlikely(netdata_exit)) break;
 121
 122                 if(!vdo_proc_softirqs) {
 123                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_softirqs().");
 124                         sunow = timems();
 125                         vdo_proc_softirqs = do_proc_softirqs(rrd_update_every, (sutime_proc_softirqs > 0)?sunow - sutime_proc_softirqs:0ULL);
 126                         sutime_proc_softirqs = sunow;
 127                 }
 128                 if(unlikely(netdata_exit)) break;
 129
 130                 if(!vdo_proc_sys_kernel_random_entropy_avail) {
 131                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_sys_kernel_random_entropy_avail().");
 132                         sunow = timems();
 133                         vdo_proc_sys_kernel_random_entropy_avail = do_proc_sys_kernel_random_entropy_avail(rrd_update_every, (sutime_proc_sys_kernel_random_entropy_avail > 0)?sunow - sutime_proc_sys_kernel_random_entropy_avail:0ULL);
 134                         sutime_proc_sys_kernel_random_entropy_avail = sunow;
 135                 }
 136                 if(unlikely(netdata_exit)) break;
 137
 138                 if(!vdo_proc_net_dev) {
 139                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_dev().");
 140                         sunow = timems();
 141                         vdo_proc_net_dev = do_proc_net_dev(rrd_update_every, (sutime_proc_net_dev > 0)?sunow - sutime_proc_net_dev:0ULL);
 142                         sutime_proc_net_dev = sunow;
 143                 }
 144                 if(unlikely(netdata_exit)) break;
 145
 146                 if(!vdo_proc_diskstats) {
 147                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_diskstats().");
 148                         sunow = timems();
 149                         vdo_proc_diskstats = do_proc_diskstats(rrd_update_every, (sutime_proc_diskstats > 0)?sunow - sutime_proc_diskstats:0ULL);
 150                         sutime_proc_diskstats = sunow;
 151                 }
 152                 if(unlikely(netdata_exit)) break;
 153
 154                 if(!vdo_proc_net_snmp) {
 155                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp().");
 156                         sunow = timems();
 157                         vdo_proc_net_snmp = do_proc_net_snmp(rrd_update_every, (sutime_proc_net_snmp > 0)?sunow - sutime_proc_net_snmp:0ULL);
 158                         sutime_proc_net_snmp = sunow;
 159                 }
 160                 if(unlikely(netdata_exit)) break;
 161
 162                 if(!vdo_proc_net_snmp6) {
 163                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp6().");
 164                         sunow = timems();
 165                         vdo_proc_net_snmp6 = do_proc_net_snmp6(rrd_update_every, (sutime_proc_net_snmp6 > 0)?sunow - sutime_proc_net_snmp6:0ULL);
 166                         sutime_proc_net_snmp6 = sunow;
 167                 }
 168                 if(unlikely(netdata_exit)) break;
 169
 170                 if(!vdo_proc_net_netstat) {
 171                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_netstat().");
 172                         sunow = timems();
 173                         vdo_proc_net_netstat = do_proc_net_netstat(rrd_update_every, (sutime_proc_net_netstat > 0)?sunow - sutime_proc_net_netstat:0ULL);
 174                         sutime_proc_net_netstat = sunow;
 175                 }
 176                 if(unlikely(netdata_exit)) break;
 177
 178                 if(!vdo_proc_net_stat_conntrack) {
 179                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_stat_conntrack().");
 180                         sunow = timems();
 181                         vdo_proc_net_stat_conntrack     = do_proc_net_stat_conntrack(rrd_update_every, (sutime_proc_net_stat_conntrack > 0)?sunow - sutime_proc_net_stat_conntrack:0ULL);
 182                         sutime_proc_net_stat_conntrack = sunow;
 183                 }
 184                 if(unlikely(netdata_exit)) break;
 185
 186                 if(!vdo_proc_net_ip_vs_stats) {
 187                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_ip_vs_stats().");
 188                         sunow = timems();
 189                         vdo_proc_net_ip_vs_stats = do_proc_net_ip_vs_stats(rrd_update_every, (sutime_proc_net_ip_vs_stats > 0)?sunow - sutime_proc_net_ip_vs_stats:0ULL);
 190                         sutime_proc_net_ip_vs_stats = sunow;
 191                 }
 192                 if(unlikely(netdata_exit)) break;
 193
 194                 if(!vdo_proc_net_stat_synproxy) {
 195                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_stat_synproxy().");
 196                         sunow = timems();
 197                         vdo_proc_net_stat_synproxy = do_proc_net_stat_synproxy(rrd_update_every, (sutime_proc_net_stat_synproxy > 0)?sunow - sutime_proc_net_stat_synproxy:0ULL);
 198                         sutime_proc_net_stat_synproxy = sunow;
 199                 }
 200                 if(unlikely(netdata_exit)) break;
 201
 202                 if(!vdo_proc_stat) {
 203                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_stat().");
 204                         sunow = timems();
 205                         vdo_proc_stat = do_proc_stat(rrd_update_every, (sutime_proc_stat > 0)?sunow - sutime_proc_stat:0ULL);
 206                         sutime_proc_stat = sunow;
 207                 }
 208                 if(unlikely(netdata_exit)) break;
 209
 210                 if(!vdo_proc_meminfo) {
 211                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_meminfo().");
 212                         sunow = timems();
 213                         vdo_proc_meminfo = do_proc_meminfo(rrd_update_every, (sutime_proc_meminfo > 0)?sunow - sutime_proc_meminfo:0ULL);
 214                         sutime_proc_meminfo = sunow;
 215                 }
 216                 if(unlikely(netdata_exit)) break;
 217
 218                 if(!vdo_proc_vmstat) {
 219                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_vmstat().");
 220                         sunow = timems();
 221                         vdo_proc_vmstat = do_proc_vmstat(rrd_update_every, (sutime_proc_vmstat > 0)?sunow - sutime_proc_vmstat:0ULL);
 222                         sutime_proc_vmstat = sunow;
 223                 }
 224                 if(unlikely(netdata_exit)) break;
 225
 226                 if(!vdo_proc_net_rpc_nfsd) {
 227                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_rpc_nfsd().");
 228                         sunow = timems();
 229                         vdo_proc_net_rpc_nfsd = do_proc_net_rpc_nfsd(rrd_update_every, (sutime_proc_net_rpc_nfsd > 0)?sunow - sutime_proc_net_rpc_nfsd:0ULL);
 230                         sutime_proc_net_rpc_nfsd = sunow;
 231                 }
 232                 if(unlikely(netdata_exit)) break;
 233
 234                 // END -- the job is done
 235
 236                 // --------------------------------------------------------------------
 237
 238                 if(!vdo_cpu_netdata) {
 239                         getrusage(RUSAGE_THREAD, &thread);
 240                         getrusage(RUSAGE_SELF, &me);
 241
 242                         if(!stcpu_thread) stcpu_thread = rrdset_find("netdata.plugin_proc_cpu");
 243                         if(!stcpu_thread) {
 244                                 stcpu_thread = rrdset_create("netdata", "plugin_proc_cpu", NULL, "proc.internal", NULL, "NetData Proc Plugin CPU usage", "milliseconds/s", 132000, rrd_update_every, RRDSET_TYPE_STACKED);
 245
 246                                 rrddim_add(stcpu_thread, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
 247                                 rrddim_add(stcpu_thread, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
 248                         }
 249                         else rrdset_next(stcpu_thread);
 250
 251                         rrddim_set(stcpu_thread, "user"  , thread.ru_utime.tv_sec * 1000000ULL + thread.ru_utime.tv_usec);
 252                         rrddim_set(stcpu_thread, "system", thread.ru_stime.tv_sec * 1000000ULL + thread.ru_stime.tv_usec);
 253                         rrdset_done(stcpu_thread);
 254
 255                         // ----------------------------------------------------------------
 256
 257                         if(!stcpu) stcpu = rrdset_find("netdata.server_cpu");
 258                         if(!stcpu) {
 259                                 stcpu = rrdset_create("netdata", "server_cpu", NULL, "netdata", NULL, "NetData CPU usage", "milliseconds/s", 130000, rrd_update_every, RRDSET_TYPE_STACKED);
 260
 261                                 rrddim_add(stcpu, "user",  NULL,  1, 1000, RRDDIM_INCREMENTAL);
 262                                 rrddim_add(stcpu, "system", NULL, 1, 1000, RRDDIM_INCREMENTAL);
 263                         }
 264                         else rrdset_next(stcpu);
 265
 266                         rrddim_set(stcpu, "user"  , me.ru_utime.tv_sec * 1000000ULL + me.ru_utime.tv_usec);
 267                         rrddim_set(stcpu, "system", me.ru_stime.tv_sec * 1000000ULL + me.ru_stime.tv_usec);
 268                         rrdset_done(stcpu);
 269
 270                         // ----------------------------------------------------------------
 271
 272                         if(!stclients) stclients = rrdset_find("netdata.clients");
 273                         if(!stclients) {
 274                                 stclients = rrdset_create("netdata", "clients", NULL, "netdata", NULL, "NetData Web Clients", "connected clients", 130100, rrd_update_every, RRDSET_TYPE_LINE);
 275
 276                                 rrddim_add(stclients, "clients",  NULL,  1, 1, RRDDIM_ABSOLUTE);
 277                         }
 278                         else rrdset_next(stclients);
 279
 280                         rrddim_set(stclients, "clients", global_statistics.connected_clients);
 281                         rrdset_done(stclients);
 282
 283                         // ----------------------------------------------------------------
 284
 285                         if(!streqs) streqs = rrdset_find("netdata.requests");
 286                         if(!streqs) {
 287                                 streqs = rrdset_create("netdata", "requests", NULL, "netdata", NULL, "NetData Web Requests", "requests/s", 130200, rrd_update_every, RRDSET_TYPE_LINE);
 288
 289                                 rrddim_add(streqs, "requests",  NULL,  1, 1, RRDDIM_INCREMENTAL);
 290                         }
 291                         else rrdset_next(streqs);
 292
 293                         rrddim_set(streqs, "requests", global_statistics.web_requests);
 294                         rrdset_done(streqs);
 295
 296                         // ----------------------------------------------------------------
 297
 298                         if(!stbytes) stbytes = rrdset_find("netdata.net");
 299                         if(!stbytes) {
 300                                 stbytes = rrdset_create("netdata", "net", NULL, "netdata", NULL, "NetData Network Traffic", "kilobits/s", 130300, rrd_update_every, RRDSET_TYPE_AREA);
 301
 302                                 rrddim_add(stbytes, "in",  NULL,  8, 1024, RRDDIM_INCREMENTAL);
 303                                 rrddim_add(stbytes, "out",  NULL,  -8, 1024, RRDDIM_INCREMENTAL);
 304                         }
 305                         else rrdset_next(stbytes);
 306
 307                         rrddim_set(stbytes, "in", global_statistics.bytes_received);
 308                         rrddim_set(stbytes, "out", global_statistics.bytes_sent);
 309                         rrdset_done(stbytes);
 310
 311                         // ----------------------------------------------------------------
 312
 313                         registry_statistics();
 314                 }
 315         }
 316
 317         pthread_exit(NULL);
 318         return NULL;
 319 }