camera/hal/intel/ipu6/include/utils/ScopedAtrace.h

/*
 * Copyright (C) 2015-2018 Intel Corporation.
 *
 * 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 <unistd.h>

namespace icamera {

/**
 * Following macros PERF_CAMERA_ATRACE_XXX() can be called in the function
 * we are scoping. Environment variable "camPerf" is need to be set as "16"
 * or "128", to enalbe atrace profiling:
 * 1. When "16" is set, ATRACE with level of CAMERA_DEBUG_LOG_ATRACE_OS is
 * enalbed.
 * 2. When "128" is set, ATRACE with level of CAMERA_DEBUG_LOG_ATRACE_IMAGING
 * is enabled.
 */
class ScopedAtrace {
      public:
          ScopedAtrace(const int level, const char* func, const char* tag,
                       const char* note = NULL, long value = -1,
                       const char* note2 = NULL, int value2 = -1,
                       const char* note3 = NULL, int value3 = -1);
          ~ScopedAtrace();
          static void setTraceLevel(int);
      private:
          bool mEnableAtraceEnd;
};

#define CAMERA_DEBUG_LOG_ATRACE_OS (1<<4)
#define CAMERA_DEBUG_LOG_ATRACE_IMAGING (1<<7)

#define PERF_CAMERA_ATRACE() ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_OS, \
                                                 __func__, LOG_TAG);
#define PERF_CAMERA_ATRACE_PARAM1(note, value) \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_OS, __func__, \
                                LOG_TAG, note, value);
#define PERF_CAMERA_ATRACE_PARAM2(note, value, note2, value2) \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_OS, __func__, LOG_TAG, \
                                note, value, note2, value2);
#define PERF_CAMERA_ATRACE_PARAM3(note, value, note2, value2, note3, value3) \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_OS, __func__, LOG_TAG, \
                                note, value, note2, value2, note3, value3);

#define PERF_CAMERA_ATRACE_IMAGING() \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_IMAGING, __func__, \
                                LOG_TAG);
#define PERF_CAMERA_ATRACE_PARAM1_IMAGING(note, value) \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_IMAGING, __func__, \
                                LOG_TAG, note, value);
#define PERF_CAMERA_ATRACE_PARAM2_IMAGING(note, value, note2, value2) \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_IMAGING, __func__, \
                                LOG_TAG, note, value, note2, value2);
#define PERF_CAMERA_ATRACE_PARAM3_IMAGING(note, value, note2, value2, note3, \
                                          value3) \
            ScopedAtrace atrace(CAMERA_DEBUG_LOG_ATRACE_IMAGING, __func__, \
                                LOG_TAG, note, value, note2, value2, note3, \
                                value3);
} // namespace icamera