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/*
* Copyright 2021 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.
*/
#pragma once
#include <stdarg.h>
#include <cutils/trace.h>
#include <utils/Trace.h>
#define ATRACE_FORMAT(fmt, ...) \
TraceUtils::TraceEnder __traceEnder = \
(TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__), TraceUtils::TraceEnder())
#define ATRACE_FORMAT_BEGIN(fmt, ...) TraceUtils::atraceFormatBegin(fmt, ##__VA_ARGS__)
#define ATRACE_FORMAT_INSTANT(fmt, ...) TraceUtils::intantFormat(fmt, ##__VA_ARGS__)
namespace android {
class TraceUtils {
public:
class TraceEnder {
public:
~TraceEnder() { ATRACE_END(); }
};
static void atraceFormatBegin(const char* fmt, ...) {
if (CC_LIKELY(!ATRACE_ENABLED())) return;
const int BUFFER_SIZE = 256;
va_list ap;
char buf[BUFFER_SIZE];
va_start(ap, fmt);
vsnprintf(buf, BUFFER_SIZE, fmt, ap);
va_end(ap);
ATRACE_BEGIN(buf);
}
static void intantFormat(const char* fmt, ...) {
if (CC_LIKELY(!ATRACE_ENABLED())) return;
const int BUFFER_SIZE = 256;
va_list ap;
char buf[BUFFER_SIZE];
va_start(ap, fmt);
vsnprintf(buf, BUFFER_SIZE, fmt, ap);
va_end(ap);
ATRACE_INSTANT(buf);
}
}; // class TraceUtils
} /* namespace android */
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