| /* |
| * Copyright (C) 2015 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. |
| */ |
| package com.android.loganalysis.parser; |
| |
| import com.android.loganalysis.item.GfxInfoItem; |
| |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * An {@link IParser} to handle the output of {@code gfxinfo}. |
| */ |
| public class GfxInfoParser implements IParser { |
| |
| // Example: "** Graphics info for pid 853 [com.google.android.leanbacklauncher] **" |
| private static final Pattern PID_PREFIX = Pattern.compile( |
| "\\*\\* Graphics info for pid (\\d+) \\[(.+)\\] \\*\\*"); |
| |
| // Example: "Total frames rendered: 20391" |
| private static final Pattern TOTAL_FRAMES_PREFIX = Pattern.compile( |
| "Total frames rendered: (\\d+)"); |
| |
| // Example: "Janky frames: 785 (3.85%)" |
| private static final Pattern JANKY_FRAMES_PREFIX = Pattern.compile( |
| "Janky frames: (\\d+) \\(.+\\%\\)"); |
| |
| // Example: "90th percentile: 9ms" |
| private static final Pattern PERCENTILE_90_PREFIX = |
| Pattern.compile("90th percentile: (\\d+)ms"); |
| |
| // Example: "90th percentile: 14ms" |
| private static final Pattern PERCENTILE_95_PREFIX = |
| Pattern.compile("95th percentile: (\\d+)ms"); |
| |
| // Example: "90th percentile: 32ms" |
| private static final Pattern PERCENTILE_99_PREFIX = |
| Pattern.compile("99th percentile: (\\d+)ms"); |
| |
| /** |
| * Parses the log of "dumpsys gfxinfo". |
| * Currently it only parses total frame number and total jank number per process. |
| * This method only works for M and later. |
| */ |
| @Override |
| public GfxInfoItem parse(List<String> lines) { |
| GfxInfoItem item = new GfxInfoItem(); |
| |
| String name = null; |
| Integer pid = null; |
| Long totalFrames = null; |
| Long jankyFrames = null; |
| Integer percentile90 = null; |
| Integer percentile95 = null; |
| Integer percentile99 = null; |
| |
| // gfxinfo also offers stats for specific views, but this parser |
| // only records per process data. See example in GfxInfoParserTest.java. |
| |
| for (String line : lines) { |
| Matcher m = PID_PREFIX.matcher(line); |
| if (m.matches() && m.groupCount() == 2) { |
| // New process line, clear data. |
| pid = Integer.parseInt(m.group(1)); |
| name = m.group(2); |
| |
| totalFrames = null; |
| jankyFrames = null; |
| percentile90 = null; |
| percentile95 = null; |
| percentile99 = null; |
| } |
| |
| m = TOTAL_FRAMES_PREFIX.matcher(line); |
| if (totalFrames == null && m.matches()) { |
| totalFrames = Long.parseLong(m.group(1)); |
| } |
| |
| m = JANKY_FRAMES_PREFIX.matcher(line); |
| if (jankyFrames == null && m.matches()) { |
| jankyFrames = Long.parseLong(m.group(1)); |
| } |
| |
| m = PERCENTILE_90_PREFIX.matcher(line); |
| if (percentile90 == null && m.matches()) { |
| percentile90 = Integer.parseInt(m.group(1)); |
| } |
| |
| m = PERCENTILE_95_PREFIX.matcher(line); |
| if (percentile95 == null && m.matches()) { |
| percentile95 = Integer.parseInt(m.group(1)); |
| } |
| |
| m = PERCENTILE_99_PREFIX.matcher(line); |
| if (percentile99 == null && m.matches()) { |
| percentile99 = Integer.parseInt(m.group(1)); |
| } |
| |
| if (name != null |
| && pid != null |
| && totalFrames != null |
| && jankyFrames != null |
| && percentile90 != null |
| && percentile95 != null |
| && percentile99 != null) { |
| // All the data for the process is recorded, add as a row. |
| item.addRow( |
| pid, |
| name, |
| totalFrames, |
| jankyFrames, |
| percentile90, |
| percentile95, |
| percentile99); |
| |
| name = null; |
| pid = null; |
| totalFrames = null; |
| jankyFrames = null; |
| percentile90 = null; |
| percentile95 = null; |
| percentile99 = null; |
| } |
| } |
| |
| return item; |
| } |
| } |