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// Copyright (C) 2019 The Android Open Source Project
// Copyright (C) 2019 Google Inc.
//
// 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 "base/Tracing.h"
#include "perfetto-tracing-only.h"
#include <string>
#include <vector>
#include <fcntl.h>
namespace android {
namespace base {
const bool* tracingDisabledPtr = nullptr;
void initializeTracing() {
virtualdeviceperfetto::initialize(&tracingDisabledPtr);
}
void enableTracing() {
if (virtualdeviceperfetto::queryTraceConfig().tracingDisabled) {
virtualdeviceperfetto::enableTracing();
}
}
void disableTracing() {
if (!virtualdeviceperfetto::queryTraceConfig().tracingDisabled) {
virtualdeviceperfetto::disableTracing();
}
}
bool shouldEnableTracing() {
return !(virtualdeviceperfetto::queryTraceConfig().tracingDisabled);
}
#ifdef __cplusplus
# define CC_LIKELY( exp ) (__builtin_expect( !!(exp), true ))
# define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), false ))
#else
# define CC_LIKELY( exp ) (__builtin_expect( !!(exp), 1 ))
# define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), 0 ))
#endif
__attribute__((always_inline)) void beginTrace(const char* name) {
if (CC_LIKELY(*tracingDisabledPtr)) return;
virtualdeviceperfetto::beginTrace(name);
}
__attribute__((always_inline)) void endTrace() {
if (CC_LIKELY(*tracingDisabledPtr)) return;
virtualdeviceperfetto::endTrace();
}
__attribute__((always_inline)) void traceCounter(const char* name, int64_t value) {
if (CC_LIKELY(*tracingDisabledPtr)) return;
virtualdeviceperfetto::traceCounter(name, value);
}
ScopedTrace::ScopedTrace(const char* name) {
if (CC_LIKELY(*tracingDisabledPtr)) return;
virtualdeviceperfetto::beginTrace(name);
}
ScopedTrace::~ScopedTrace() {
if (CC_LIKELY(*tracingDisabledPtr)) return;
virtualdeviceperfetto::endTrace();
}
void setGuestTime(uint64_t t) {
virtualdeviceperfetto::setGuestTime(t);
}
} // namespace base
} // namespace android
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