| /* |
| * Copyright (C) 2012, 2014-2017 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. |
| */ |
| |
| #define LOG_TAG "PerformanceTraces" |
| |
| #include <fcntl.h> |
| #include <time.h> |
| #include <stdio.h> |
| #include <sys/stat.h> |
| #include <sstream> |
| #include "PerformanceTraces.h" |
| |
| namespace cros { |
| namespace intel { |
| namespace PerformanceTraces { |
| |
| int HalAtrace::mTraceLevel = 0; |
| |
| HalAtrace::HalAtrace(const char* func, const char* tag, const char* note, int value) |
| { |
| std::ostringstream stringStream; |
| if (value < 0 || note == nullptr) { |
| stringStream << "< " << func << "," << tag << ">"; |
| ia_trace_begin(mTraceLevel, stringStream.str().c_str()); |
| } else { |
| stringStream << "< " << func << "," << tag << ">:" << note << "(" << value << ")"; |
| ia_trace_begin(mTraceLevel, stringStream.str().c_str()); |
| } |
| } |
| |
| HalAtrace::~HalAtrace() |
| { |
| ia_trace_end(mTraceLevel); |
| } |
| |
| void HalAtrace::reset(void) |
| { |
| if (LogHelper::isPerfDumpTypeEnable(CAMERA_DEBUG_LOG_ATRACE_LEVEL)) |
| mTraceLevel = 1; |
| else |
| mTraceLevel = 0; |
| } |
| |
| /** |
| * \class PerformanceTimer |
| * |
| * Private class for managing R&D traces used for performance |
| * analysis and testing. |
| * |
| * This code should be disabled in product builds. |
| */ |
| class PerformanceTimer { |
| |
| public: |
| nsecs_t mStartAt; |
| nsecs_t mLastRead; |
| bool mFilled; //!< timestamp has been taken |
| bool mRequested; //!< trace is requested/enabled |
| |
| PerformanceTimer(void) : |
| mStartAt(0), |
| mLastRead(0), |
| mFilled(false), |
| mRequested(false) { |
| } |
| |
| bool isRunning(void) { return mFilled && mRequested; } |
| |
| bool isRequested(void) { return mRequested; } |
| |
| int64_t timeUs(void) { |
| uint64_t now = systemTime(); |
| mLastRead = now; |
| return (now - mStartAt) / 1000; |
| } |
| |
| int64_t lastTimeUs(void) { |
| uint64_t now = systemTime(); |
| return (now - mLastRead) / 1000; |
| } |
| |
| /** |
| * Enforce a standard format on timestamp traces parsed |
| * by offline PnP tools. |
| * |
| * \see system/core/include/android/log.h |
| */ |
| void formattedTrace(const char* p, const char *f) { |
| LOGD("%s:%s, Time: %" PRId64 " us, Diff: %" PRId64 " us", |
| p, f, timeUs(), mFilled ? lastTimeUs() : -1); |
| } |
| |
| void start(void) { |
| mStartAt = mLastRead = systemTime(); |
| mFilled = true; |
| } |
| |
| void stop(void) { mFilled = false; } |
| |
| }; |
| |
| void reset(void) {} |
| |
| } // namespace PerformanceTraces |
| } /* namespace intel */ |
| } /* namespace cros */ |