1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #include "histogram_logger.h" 18 19 #include <cstdlib> 20 #include <memory> 21 #include <android-base/logging.h> 22 #include <log/log.h> 23 #include "event_log_list_builder.h" 24 25 namespace bootstat { 26 27 void LogHistogram(const std::string& event, int32_t data) { 28 LOG(INFO) << "Logging histogram: " << event << " " << data; 29 30 EventLogListBuilder log_builder; 31 log_builder.Append(event); 32 log_builder.Append(data); 33 34 std::unique_ptr<uint8_t[]> log; 35 size_t size; 36 log_builder.Release(&log, &size); 37 38 android_bWriteLog(HISTOGRAM_LOG_TAG, log.get(), size); 39 } 40 41 } // namespace bootstat