64 lines
2.2 KiB
C
64 lines
2.2 KiB
C
/*
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* Copyright (C) 2022 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <threads.h>
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#include <time.h>
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#include "perfetto/public/data_source.h"
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#include "perfetto/public/producer.h"
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#include "perfetto/public/protos/trace/test_event.pzc.h"
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#include "perfetto/public/protos/trace/trace_packet.pzc.h"
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static struct PerfettoDs custom = PERFETTO_DS_INIT();
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int main(void) {
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struct PerfettoProducerInitArgs args = {0};
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args.backends = PERFETTO_BACKEND_SYSTEM;
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PerfettoProducerInit(args);
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PerfettoDsRegister(&custom, "com.example.custom_data_source",
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PerfettoDsNoCallbacks());
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for (;;) {
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PERFETTO_DS_TRACE(custom, ctx) {
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struct PerfettoDsRootTracePacket root;
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PerfettoDsTracerPacketBegin(&ctx, &root);
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perfetto_protos_TracePacket_set_timestamp(&root.msg, 42);
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{
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struct perfetto_protos_TestEvent for_testing;
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perfetto_protos_TracePacket_begin_for_testing(&root.msg, &for_testing);
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perfetto_protos_TestEvent_set_cstr_str(&for_testing,
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"This is a long string");
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{
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struct perfetto_protos_TestEvent_TestPayload payload;
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perfetto_protos_TestEvent_begin_payload(&for_testing, &payload);
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for (int i = 0; i < 1000; i++) {
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perfetto_protos_TestEvent_TestPayload_set_cstr_str(&payload,
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"nested");
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}
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perfetto_protos_TestEvent_end_payload(&for_testing, &payload);
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}
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perfetto_protos_TracePacket_end_for_testing(&root.msg, &for_testing);
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}
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PerfettoDsTracerPacketEnd(&ctx, &root);
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}
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thrd_sleep(&(struct timespec){.tv_sec = 1}, NULL);
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}
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}
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