examples/shared_lib/example_shlib_data_source.c

/*
 * Copyright (C) 2022 The Android Open Source Project
 *
 * 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 <threads.h>
#include <time.h>

#include "perfetto/public/data_source.h"
#include "perfetto/public/producer.h"

static struct PerfettoDs custom = PERFETTO_DS_INIT();

int main(void) {
  struct PerfettoProducerInitArgs args = {0};
  args.backends = PERFETTO_BACKEND_SYSTEM;
  PerfettoProducerInit(args);

  PerfettoDsRegister(&custom, "com.example.custom_data_source",
                     PerfettoDsNoCallbacks());

  for (;;) {
    PERFETTO_DS_TRACE(custom, ctx) {}
    thrd_sleep(&(struct timespec){.tv_sec = 1}, NULL);
  }
}