server/sensors/resource.c

   1 #include "resource.h"
   2
   3 #include "../log.h"
   4 #include "../common.h"
   5
   6 #include <sys/time.h>
   7 #include <sys/resource.h>
   8
   9 bool Resource_Read(int id, double * value)
  10 {
  11         struct rusage usage;
  12         int err = getrusage(RUSAGE_SELF, &usage);
  13         if (err != 0)
  14         {
  15                 Log(LOGWARN, "Couldn't get resource information - %s", strerror(errno));
  16         }
  17         switch (id)
  18         {
  19                 case RESOURCE_CPU_USER:
  20                         *value = usage.ru_utime.tv_sec + 1e-6*usage.ru_utime.tv_usec;
  21                         break;
  22                 case RESOURCE_CPU_SYS:
  23                         *value = usage.ru_stime.tv_sec + 1e-6*usage.ru_stime.tv_usec;
  24                         break;
  25                 default:
  26                         Log(LOGWARN, "Unknown id %d", id);
  27                         return false;
  28         }
  29         return true;
  30 }