mesa/src/util/tests/perf/u_trace_test.cpp

#include <stdio.h>
#include <stdlib.h>
#include <gtest/gtest.h>

#include "c11/threads.h"
#include "util/perf/u_trace.h"

#define NUM_DEBUG_TEST_THREAD 8

static int
test_thread(void *_state)
{
   struct u_trace_context ctx = {};
   u_trace_context_init(&ctx, NULL, NULL, NULL, NULL, NULL, NULL);
   u_trace_context_fini(&ctx);

   return 0;
}

TEST(UtilPerfTraceTest, Multithread)
{
   static char env_tracefile[] = "GPU_TRACEFILE=tracefile_for_test-b5ba5a0c-6ed1-4901-a38d-755991182663";
   thrd_t threads[NUM_DEBUG_TEST_THREAD];
   putenv(env_tracefile);
   for (unsigned i = 0; i < NUM_DEBUG_TEST_THREAD; i++) {
        thrd_create(&threads[i], test_thread, NULL);
   }
   for (unsigned i = 0; i < NUM_DEBUG_TEST_THREAD; i++) {
      int ret;
      thrd_join(threads[i], &ret);
   }
}