src/utils/cgroup-test.c

   1 #include <config.h>
   2 #include <stdio.h>
   3 #include <time.h>
   4 #include <unistd.h>
   5 #include <inttypes.h>
   6
   7 #include "net-cls-cgroup.h"
   8
   9 int64_t timespecDiff(struct timespec *time_a, struct timespec *time_b)
  10 {
  11         return ((time_a->tv_sec * 1000000000) + time_a->tv_nsec) -
  12            ((time_b->tv_sec * 1000000000) + time_b->tv_nsec);
  13 }
  14
  15 #define START_MEASURE {\
  16         struct timespec start, end; \
  17         clock_gettime(CLOCK_MONOTONIC, &start);
  18
  19 #define END_MEASURE \
  20         clock_gettime(CLOCK_MONOTONIC, &end); \
  21         int64_t timeElapsed = timespecDiff(&end, &start);\
  22         printf("time diff %"PRId64"\n", timeElapsed); \
  23         }
  24
  25 #define TEST_NUM 100
  26
  27 int main(void)
  28 {
  29         int i = 0;
  30         char cgroup_name[128];
  31
  32         printf("start measure");
  33         for (; i < TEST_NUM; ++i) {
  34                 sprintf(cgroup_name, "com.samsung.browser%d", i);
  35                 START_MEASURE
  36                 make_net_cls_cgroup_with_pid(i, cgroup_name);
  37                 END_MEASURE
  38         }
  39
  40         return 0;
  41 }