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tag: node-v0.8.21
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/* 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"
#include <stdio.h>
#include <stdlib.h>
#define NUM_TICKS (2 * 1000 * 1000)
static unsigned long ticks;
static uv_idle_t idle_handle;
static uv_timer_t timer_handle;
static void idle_cb(uv_idle_t* handle, int status) {
if (++ticks == NUM_TICKS)
uv_idle_stop(handle);
}
static void idle2_cb(uv_idle_t* handle, int status) {
ticks++;
}
static void timer_cb(uv_timer_t* handle, int status) {
uv_idle_stop(&idle_handle);
uv_timer_stop(&timer_handle);
}
BENCHMARK_IMPL(loop_count) {
uv_loop_t* loop = uv_default_loop();
uint64_t ns;
uv_idle_init(loop, &idle_handle);
uv_idle_start(&idle_handle, idle_cb);
ns = uv_hrtime();
uv_run(loop);
ns = uv_hrtime() - ns;
ASSERT(ticks == NUM_TICKS);
LOGF("loop_count: %d ticks in %.2fs (%.0f/s)\n",
NUM_TICKS,
ns / 1e9,
NUM_TICKS / (ns / 1e9));
return 0;
}
BENCHMARK_IMPL(loop_count_timed) {
uv_loop_t* loop = uv_default_loop();
uv_idle_init(loop, &idle_handle);
uv_idle_start(&idle_handle, idle2_cb);
uv_timer_init(loop, &timer_handle);
uv_timer_start(&timer_handle, timer_cb, 5000, 0);
uv_run(loop);
LOGF("loop_count: %lu ticks (%.0f ticks/s)\n", ticks, ticks / 5.0);
return 0;
}
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