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