src/plugin_proc.c

   1 #include "common.h"
   2
   3 void *proc_main(void *ptr)
   4 {
   5         (void)ptr;
   6
   7         info("PROC Plugin thread created with task id %d", gettid());
   8
   9         if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
  10                 error("Cannot set pthread cancel type to DEFERRED.");
  11
  12         if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
  13                 error("Cannot set pthread cancel state to ENABLE.");
  14
  15         // disable (by default) various interface that are not needed
  16         config_get_boolean("plugin:proc:/proc/net/dev:lo", "enabled", 0);
  17         config_get_boolean("plugin:proc:/proc/net/dev:fireqos_monitor", "enabled", 0);
  18
  19         // when ZERO, attempt to do it
  20         int vdo_proc_net_dev                    = !config_get_boolean("plugin:proc", "/proc/net/dev", 1);
  21         int vdo_proc_diskstats                  = !config_get_boolean("plugin:proc", "/proc/diskstats", 1);
  22         int vdo_proc_net_snmp                   = !config_get_boolean("plugin:proc", "/proc/net/snmp", 1);
  23         int vdo_proc_net_snmp6                  = !config_get_boolean("plugin:proc", "/proc/net/snmp6", 1);
  24         int vdo_proc_net_netstat                = !config_get_boolean("plugin:proc", "/proc/net/netstat", 1);
  25         int vdo_proc_net_stat_conntrack = !config_get_boolean("plugin:proc", "/proc/net/stat/conntrack", 1);
  26         int vdo_proc_net_ip_vs_stats    = !config_get_boolean("plugin:proc", "/proc/net/ip_vs/stats", 1);
  27         int vdo_proc_net_stat_synproxy  = !config_get_boolean("plugin:proc", "/proc/net/stat/synproxy", 1);
  28         int vdo_proc_stat                               = !config_get_boolean("plugin:proc", "/proc/stat", 1);
  29         int vdo_proc_meminfo                    = !config_get_boolean("plugin:proc", "/proc/meminfo", 1);
  30         int vdo_proc_vmstat                     = !config_get_boolean("plugin:proc", "/proc/vmstat", 1);
  31         int vdo_proc_net_rpc_nfsd               = !config_get_boolean("plugin:proc", "/proc/net/rpc/nfsd", 1);
  32         int vdo_proc_sys_kernel_random_entropy_avail    = !config_get_boolean("plugin:proc", "/proc/sys/kernel/random/entropy_avail", 1);
  33         int vdo_proc_interrupts                 = !config_get_boolean("plugin:proc", "/proc/interrupts", 1);
  34         int vdo_proc_softirqs                   = !config_get_boolean("plugin:proc", "/proc/softirqs", 1);
  35         int vdo_proc_loadavg                    = !config_get_boolean("plugin:proc", "/proc/loadavg", 1);
  36         int vdo_sys_kernel_mm_ksm               = !config_get_boolean("plugin:proc", "/sys/kernel/mm/ksm", 1);
  37         int vdo_cpu_netdata                     = !config_get_boolean("plugin:proc", "netdata server resources", 1);
  38
  39         // keep track of the time each module was called
  40         unsigned long long sutime_proc_net_dev = 0ULL;
  41         unsigned long long sutime_proc_diskstats = 0ULL;
  42         unsigned long long sutime_proc_net_snmp = 0ULL;
  43         unsigned long long sutime_proc_net_snmp6 = 0ULL;
  44         unsigned long long sutime_proc_net_netstat = 0ULL;
  45         unsigned long long sutime_proc_net_stat_conntrack = 0ULL;
  46         unsigned long long sutime_proc_net_ip_vs_stats = 0ULL;
  47         unsigned long long sutime_proc_net_stat_synproxy = 0ULL;
  48         unsigned long long sutime_proc_stat = 0ULL;
  49         unsigned long long sutime_proc_meminfo = 0ULL;
  50         unsigned long long sutime_proc_vmstat = 0ULL;
  51         unsigned long long sutime_proc_net_rpc_nfsd = 0ULL;
  52         unsigned long long sutime_proc_sys_kernel_random_entropy_avail = 0ULL;
  53         unsigned long long sutime_proc_interrupts = 0ULL;
  54         unsigned long long sutime_proc_softirqs = 0ULL;
  55         unsigned long long sutime_proc_loadavg = 0ULL;
  56         unsigned long long sutime_sys_kernel_mm_ksm = 0ULL;
  57
  58         // the next time we will run - aligned properly
  59         unsigned long long sunext = (time(NULL) - (time(NULL) % rrd_update_every) + rrd_update_every) * 1000000ULL;
  60         unsigned long long sunow;
  61
  62         for(;1;) {
  63                 if(unlikely(netdata_exit)) break;
  64
  65                 // delay until it is our time to run
  66                 while((sunow = time_usec()) < sunext)
  67                         sleep_usec(sunext - sunow);
  68
  69                 // find the next time we need to run
  70                 while(time_usec() > sunext)
  71                         sunext += rrd_update_every * 1000000ULL;
  72
  73                 if(unlikely(netdata_exit)) break;
  74
  75                 // BEGIN -- the job to be done
  76
  77                 if(!vdo_sys_kernel_mm_ksm) {
  78                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_sys_kernel_mm_ksm().");
  79
  80                         sunow = time_usec();
  81                         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);
  82                         sutime_sys_kernel_mm_ksm = sunow;
  83                 }
  84                 if(unlikely(netdata_exit)) break;
  85
  86                 if(!vdo_proc_loadavg) {
  87                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_loadavg().");
  88                         sunow = time_usec();
  89                         vdo_proc_loadavg = do_proc_loadavg(rrd_update_every, (sutime_proc_loadavg > 0)?sunow - sutime_proc_loadavg:0ULL);
  90                         sutime_proc_loadavg = sunow;
  91                 }
  92                 if(unlikely(netdata_exit)) break;
  93
  94                 if(!vdo_proc_interrupts) {
  95                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_interrupts().");
  96                         sunow = time_usec();
  97                         vdo_proc_interrupts = do_proc_interrupts(rrd_update_every, (sutime_proc_interrupts > 0)?sunow - sutime_proc_interrupts:0ULL);
  98                         sutime_proc_interrupts = sunow;
  99                 }
 100                 if(unlikely(netdata_exit)) break;
 101
 102                 if(!vdo_proc_softirqs) {
 103                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_softirqs().");
 104                         sunow = time_usec();
 105                         vdo_proc_softirqs = do_proc_softirqs(rrd_update_every, (sutime_proc_softirqs > 0)?sunow - sutime_proc_softirqs:0ULL);
 106                         sutime_proc_softirqs = sunow;
 107                 }
 108                 if(unlikely(netdata_exit)) break;
 109
 110                 if(!vdo_proc_sys_kernel_random_entropy_avail) {
 111                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_sys_kernel_random_entropy_avail().");
 112                         sunow = time_usec();
 113                         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);
 114                         sutime_proc_sys_kernel_random_entropy_avail = sunow;
 115                 }
 116                 if(unlikely(netdata_exit)) break;
 117
 118                 if(!vdo_proc_net_dev) {
 119                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_dev().");
 120                         sunow = time_usec();
 121                         vdo_proc_net_dev = do_proc_net_dev(rrd_update_every, (sutime_proc_net_dev > 0)?sunow - sutime_proc_net_dev:0ULL);
 122                         sutime_proc_net_dev = sunow;
 123                 }
 124                 if(unlikely(netdata_exit)) break;
 125
 126                 if(!vdo_proc_diskstats) {
 127                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_diskstats().");
 128                         sunow = time_usec();
 129                         vdo_proc_diskstats = do_proc_diskstats(rrd_update_every, (sutime_proc_diskstats > 0)?sunow - sutime_proc_diskstats:0ULL);
 130                         sutime_proc_diskstats = sunow;
 131                 }
 132                 if(unlikely(netdata_exit)) break;
 133
 134                 if(!vdo_proc_net_snmp) {
 135                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp().");
 136                         sunow = time_usec();
 137                         vdo_proc_net_snmp = do_proc_net_snmp(rrd_update_every, (sutime_proc_net_snmp > 0)?sunow - sutime_proc_net_snmp:0ULL);
 138                         sutime_proc_net_snmp = sunow;
 139                 }
 140                 if(unlikely(netdata_exit)) break;
 141
 142                 if(!vdo_proc_net_snmp6) {
 143                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_snmp6().");
 144                         sunow = time_usec();
 145                         vdo_proc_net_snmp6 = do_proc_net_snmp6(rrd_update_every, (sutime_proc_net_snmp6 > 0)?sunow - sutime_proc_net_snmp6:0ULL);
 146                         sutime_proc_net_snmp6 = sunow;
 147                 }
 148                 if(unlikely(netdata_exit)) break;
 149
 150                 if(!vdo_proc_net_netstat) {
 151                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_netstat().");
 152                         sunow = time_usec();
 153                         vdo_proc_net_netstat = do_proc_net_netstat(rrd_update_every, (sutime_proc_net_netstat > 0)?sunow - sutime_proc_net_netstat:0ULL);
 154                         sutime_proc_net_netstat = sunow;
 155                 }
 156                 if(unlikely(netdata_exit)) break;
 157
 158                 if(!vdo_proc_net_stat_conntrack) {
 159                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_stat_conntrack().");
 160                         sunow = time_usec();
 161                         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);
 162                         sutime_proc_net_stat_conntrack = sunow;
 163                 }
 164                 if(unlikely(netdata_exit)) break;
 165
 166                 if(!vdo_proc_net_ip_vs_stats) {
 167                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_ip_vs_stats().");
 168                         sunow = time_usec();
 169                         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);
 170                         sutime_proc_net_ip_vs_stats = sunow;
 171                 }
 172                 if(unlikely(netdata_exit)) break;
 173
 174                 if(!vdo_proc_net_stat_synproxy) {
 175                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_net_stat_synproxy().");
 176                         sunow = time_usec();
 177                         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);
 178                         sutime_proc_net_stat_synproxy = sunow;
 179                 }
 180                 if(unlikely(netdata_exit)) break;
 181
 182                 if(!vdo_proc_stat) {
 183                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_stat().");
 184                         sunow = time_usec();
 185                         vdo_proc_stat = do_proc_stat(rrd_update_every, (sutime_proc_stat > 0)?sunow - sutime_proc_stat:0ULL);
 186                         sutime_proc_stat = sunow;
 187                 }
 188                 if(unlikely(netdata_exit)) break;
 189
 190                 if(!vdo_proc_meminfo) {
 191                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_meminfo().");
 192                         sunow = time_usec();
 193                         vdo_proc_meminfo = do_proc_meminfo(rrd_update_every, (sutime_proc_meminfo > 0)?sunow - sutime_proc_meminfo:0ULL);
 194                         sutime_proc_meminfo = sunow;
 195                 }
 196                 if(unlikely(netdata_exit)) break;
 197
 198                 if(!vdo_proc_vmstat) {
 199                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling vdo_proc_vmstat().");
 200                         sunow = time_usec();
 201                         vdo_proc_vmstat = do_proc_vmstat(rrd_update_every, (sutime_proc_vmstat > 0)?sunow - sutime_proc_vmstat:0ULL);
 202                         sutime_proc_vmstat = sunow;
 203                 }
 204                 if(unlikely(netdata_exit)) break;
 205
 206                 if(!vdo_proc_net_rpc_nfsd) {
 207                         debug(D_PROCNETDEV_LOOP, "PROCNETDEV: calling do_proc_net_rpc_nfsd().");
 208                         sunow = time_usec();
 209                         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);
 210                         sutime_proc_net_rpc_nfsd = sunow;
 211                 }
 212                 if(unlikely(netdata_exit)) break;
 213
 214                 // END -- the job is done
 215
 216                 // --------------------------------------------------------------------
 217
 218                 if(!vdo_cpu_netdata) {
 219             global_statistics_charts();
 220                         registry_statistics();
 221                 }
 222         }
 223
 224         pthread_exit(NULL);
 225         return NULL;
 226 }