grpc/test/core/profiling/timers_test.c

/*
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#include "src/core/lib/profiling/timers.h"
#include <stdlib.h>
#include "test/core/util/test_config.h"

void test_log_events(size_t num_seqs) {
  size_t start = 0;
  size_t *state;
  state = calloc(num_seqs, sizeof(state[0]));
  while (start < num_seqs) {
    size_t i;
    size_t row;
    if (state[start] == 3) { /* Already done with this posn */
      start++;
      continue;
    }

    row = (size_t)rand() % 10; /* how many in a row */
    for (i = start; (i < start + row) && (i < num_seqs); i++) {
      size_t j;
      size_t advance = 1 + (size_t)rand() % 3; /* how many to advance by */
      for (j = 0; j < advance; j++) {
        switch (state[i]) {
          case 0:
            GPR_TIMER_MARK(STATE_0, i);
            state[i]++;
            break;
          case 1:
            GPR_TIMER_MARK(STATE_1, i);
            state[i]++;
            break;
          case 2:
            GPR_TIMER_MARK(STATE_2, i);
            state[i]++;
            break;
          case 3:
            break;
        }
      }
    }
  }
  free(state);
}

int main(int argc, char **argv) {
  grpc_test_init(argc, argv);
  gpr_timers_global_init();
  test_log_events(1000000);
  gpr_timers_global_destroy();
  return 0;
}