grpc/test/core/profiling/timers_test.c

/*
 *
 * Copyright 2015, Google Inc.
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 * modification, are permitted provided that the following conditions are
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 *
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 * notice, this list of conditions and the following disclaimer.
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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#include "src/core/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:
		  GRPC_TIMER_MARK (STATE_0, i);
		  state[i]++;
		  break;
		case 1:
		  GRPC_TIMER_MARK (STATE_1, i);
		  state[i]++;
		  break;
		case 2:
		  GRPC_TIMER_MARK (STATE_2, i);
		  state[i]++;
		  break;
		case 3:
		  break;
		}
	    }
	}
    }
  free (state);
}

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