shrub/outside/libuv/test/benchmark-million-timers.c
2013-09-28 13:21:18 -07:00

78 lines
2.2 KiB
C

/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#include "task.h"
#include "uv.h"
#define NUM_TIMERS (1000 * 1000)
static int timer_cb_called;
static int close_cb_called;
static void timer_cb(uv_timer_t* handle, int status) {
timer_cb_called++;
}
static void close_cb(uv_handle_t* handle) {
close_cb_called++;
}
BENCHMARK_IMPL(million_timers) {
uv_timer_t* timers;
uv_loop_t* loop;
uint64_t before;
uint64_t after;
int timeout;
int i;
timers = malloc(NUM_TIMERS * sizeof(timers[0]));
ASSERT(timers != NULL);
loop = uv_default_loop();
timeout = 0;
for (i = 0; i < NUM_TIMERS; i++) {
if (i % 1000 == 0) timeout++;
ASSERT(0 == uv_timer_init(loop, timers + i));
ASSERT(0 == uv_timer_start(timers + i, timer_cb, timeout, 0));
}
before = uv_hrtime();
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
after = uv_hrtime();
for (i = 0; i < NUM_TIMERS; i++)
uv_close((uv_handle_t*) (timers + i), close_cb);
ASSERT(0 == uv_run(loop, UV_RUN_DEFAULT));
ASSERT(timer_cb_called == NUM_TIMERS);
ASSERT(close_cb_called == NUM_TIMERS);
free(timers);
LOGF("%.2f seconds\n", (after - before) / 1e9);
MAKE_VALGRIND_HAPPY();
return 0;
}