pebble/src/fw/apps/demo_apps/profile_mutexes_app.c
2025-01-27 11:38:16 -08:00

74 lines
1.9 KiB
C

/*
* Copyright 2024 Google LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "profile_mutexes_app.h"
#include "applib/app.h"
#include "applib/ui/app_window_stack.h"
#include "applib/ui/window.h"
#include "applib/ui/window_stack.h"
#include "system/logging.h"
#include "os/mutex.h"
#include "system/profiler.h"
static Window *window;
static PebbleMutex *s_mutex;
static PebbleRecursiveMutex *s_rmutex;
static void profile_mutexes(void) {
PBL_LOG(LOG_LEVEL_DEBUG, "INITIALIZING PROFILER FOR MUTEXES!");
PROFILER_INIT;
PROFILER_START;
s_mutex = mutex_create();
for (int i=0; i < 10000; i++) {
mutex_lock(s_mutex);
mutex_unlock(s_mutex);
}
mutex_destroy(s_mutex);
s_mutex = NULL;
s_rmutex = mutex_create_recursive();
for (int i=0; i < 10000; i++) {
mutex_lock_recursive(s_rmutex);
}
for (int i=0; i < 10000; i++) {
mutex_unlock_recursive(s_rmutex);
}
mutex_destroy((PebbleMutex *)s_rmutex);
s_rmutex = NULL;
PROFILER_STOP;
PROFILER_PRINT_STATS;
}
static void s_main(void) {
window = window_create();
app_window_stack_push(window, true /* Animated */);
profile_mutexes();
app_event_loop();
}
const PebbleProcessMd* profile_mutexes_get_app_info(void) {
static const PebbleProcessMdSystem s_app_info = {
.common.main_func = &s_main,
.name = "Profile Mutexes"
};
return (const PebbleProcessMd*) &s_app_info;
}