// 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 #include #include 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