M7350/base/tools/preload/Compile.java
2024-09-09 08:52:07 +00:00

74 lines
2.3 KiB
Java

/*
* Copyright (C) 2008 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.
*/
import java.io.BufferedReader;
import java.io.FileInputStream;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.ArrayList;
import java.util.List;
/**
* Parses and analyzes a log, pulling our PRELOAD information. If you have
* an emulator or device running in the background, this class will use it
* to measure and record the memory usage of each class.
*
* TODO: Should analyze lines and select substring dynamically (instead of hardcoded 19)
*/
public class Compile {
public static void main(String[] args) throws IOException {
if (args.length != 2) {
System.err.println("Usage: Compile [log file] [output file]");
System.exit(0);
}
Root root = new Root();
List<Record> records = new ArrayList<Record>();
BufferedReader in = new BufferedReader(new InputStreamReader(
new FileInputStream(args[0])));
String line;
int lineNumber = 0;
while ((line = in.readLine()) != null) {
lineNumber++;
if (line.startsWith("I/PRELOAD")) {
try {
String clipped = line.substring(19);
records.add(new Record(clipped, lineNumber));
} catch (RuntimeException e) {
throw new RuntimeException(
"Exception while recording line " + lineNumber + ": " + line, e);
}
}
}
for (Record record : records) {
root.indexProcess(record);
}
for (Record record : records) {
root.indexClassOperation(record);
}
in.close();
root.toFile(args[1]);
}
}