| /* |
| * 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.WakelockItem; |
| import com.android.loganalysis.item.WakelockItem.WakeLockCategory; |
| import com.android.loganalysis.util.NumberFormattingUtil; |
| |
| import java.util.List; |
| import java.util.regex.Matcher; |
| import java.util.regex.Pattern; |
| |
| /** |
| * A {@link IParser} to handle the parsing of wakelock information |
| */ |
| public class WakelockParser implements IParser { |
| |
| private static final String WAKE_LOCK_PAT_SUFFIX = |
| "(?:(\\d+)d)?\\s?(?:(\\d+)h)?\\s?(?:(\\d+)m)?\\s?(?:(\\d+)s)?\\s?(?:(\\d+)ms)?" |
| + "\\s?\\((\\d+) times\\)(?: max=\\d+)? realtime"; |
| |
| /** |
| * Match a valid line such as: |
| * " Kernel Wake lock PowerManagerService.WakeLocks: 1h 13m 50s 950ms (2858 times) realtime" |
| */ |
| private static final Pattern KERNEL_WAKE_LOCK_PAT = Pattern.compile( |
| "^\\s*Kernel Wake lock (.+): " + WAKE_LOCK_PAT_SUFFIX); |
| /** |
| * Match a valid line such as: |
| * " Wake lock u0a7 NlpWakeLock: 8m 13s 203ms (1479 times) realtime"; |
| */ |
| private static final Pattern PARTIAL_WAKE_LOCK_PAT = Pattern.compile( |
| "^\\s*Wake lock (.*)\\s(.+): " + WAKE_LOCK_PAT_SUFFIX); |
| |
| private WakelockItem mItem = new WakelockItem(); |
| |
| public static final int TOP_WAKELOCK_COUNT = 5; |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public WakelockItem parse(List<String> lines) { |
| Matcher m = null; |
| int wakelockCounter = 0; |
| for (String line : lines) { |
| if (wakelockCounter >= TOP_WAKELOCK_COUNT || "".equals(line.trim())) { |
| // Done with wakelock parsing |
| break; |
| } |
| |
| m = KERNEL_WAKE_LOCK_PAT.matcher(line); |
| if (m.matches() && !line.contains("PowerManagerService.WakeLocks")) { |
| parseKernelWakeLock(line, WakeLockCategory.KERNEL_WAKELOCK); |
| wakelockCounter++; |
| continue; |
| } |
| |
| m = PARTIAL_WAKE_LOCK_PAT.matcher(line); |
| if (m.matches()) { |
| parsePartialWakeLock(line, WakeLockCategory.PARTIAL_WAKELOCK); |
| wakelockCounter++; |
| } |
| } |
| |
| return mItem; |
| } |
| |
| /** |
| * Parse a line of output and add it to wakelock section |
| * <p> |
| * Exposed for unit testing. |
| * </p> |
| */ |
| void parseKernelWakeLock(String line, WakeLockCategory category) { |
| Matcher m = KERNEL_WAKE_LOCK_PAT.matcher(line); |
| if (!m.matches()) { |
| return; |
| } |
| final String name = m.group(1); |
| final long wakelockTime = NumberFormattingUtil.getMs( |
| NumberFormattingUtil.parseIntOrZero(m.group(2)), |
| NumberFormattingUtil.parseIntOrZero(m.group(3)), |
| NumberFormattingUtil.parseIntOrZero(m.group(4)), |
| NumberFormattingUtil.parseIntOrZero(m.group(5)), |
| NumberFormattingUtil.parseIntOrZero(m.group(6))); |
| |
| final int timesCalled = Integer.parseInt(m.group(7)); |
| |
| mItem.addWakeLock(name, wakelockTime, timesCalled, category); |
| } |
| |
| /** |
| * Parse a line of output and add it to wake lock section. |
| * <p> |
| * Exposed for unit testing. |
| * </p> |
| */ |
| void parsePartialWakeLock(String line, WakeLockCategory category) { |
| Matcher m = PARTIAL_WAKE_LOCK_PAT.matcher(line); |
| if (!m.matches()) { |
| return; |
| } |
| final String processUID = m.group(1); |
| final String name = m.group(2); |
| final long wakelockTime = NumberFormattingUtil.getMs( |
| NumberFormattingUtil.parseIntOrZero(m.group(3)), |
| NumberFormattingUtil.parseIntOrZero(m.group(4)), |
| NumberFormattingUtil.parseIntOrZero(m.group(5)), |
| NumberFormattingUtil.parseIntOrZero(m.group(6)), |
| NumberFormattingUtil.parseIntOrZero(m.group(7))); |
| final int timesCalled = Integer.parseInt(m.group(8)); |
| |
| mItem.addWakeLock(name, processUID, wakelockTime, timesCalled, category); |
| } |
| |
| /** |
| * Get the {@link WakelockItem}. |
| * <p> |
| * Exposed for unit testing. |
| * </p> |
| */ |
| WakelockItem getItem() { |
| return mItem; |
| } |
| } |