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 
LogHistogram(const std::string & event,int32_t data)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