diff options
Diffstat (limited to 'eclipse/plugins/com.android.ide.eclipse.ddms/src/com/android/ide/eclipse/ddms/systrace/SystraceVersionDetector.java')
-rw-r--r-- | eclipse/plugins/com.android.ide.eclipse.ddms/src/com/android/ide/eclipse/ddms/systrace/SystraceVersionDetector.java | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/eclipse/plugins/com.android.ide.eclipse.ddms/src/com/android/ide/eclipse/ddms/systrace/SystraceVersionDetector.java b/eclipse/plugins/com.android.ide.eclipse.ddms/src/com/android/ide/eclipse/ddms/systrace/SystraceVersionDetector.java new file mode 100644 index 000000000..646a45412 --- /dev/null +++ b/eclipse/plugins/com.android.ide.eclipse.ddms/src/com/android/ide/eclipse/ddms/systrace/SystraceVersionDetector.java @@ -0,0 +1,100 @@ +/* + * Copyright (C) 2012 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.ide.eclipse.ddms.systrace; + +import com.android.ddmlib.CollectingOutputReceiver; +import com.android.ddmlib.IDevice; + +import org.eclipse.core.runtime.IProgressMonitor; +import org.eclipse.jface.operation.IRunnableWithProgress; + +import java.lang.reflect.InvocationTargetException; +import java.util.ArrayList; +import java.util.List; +import java.util.concurrent.CountDownLatch; +import java.util.concurrent.TimeUnit; +import java.util.regex.Matcher; +import java.util.regex.Pattern; + +public class SystraceVersionDetector implements IRunnableWithProgress { + public static final int SYSTRACE_V1 = 1; + public static final int SYSTRACE_V2 = 2; + + private final IDevice mDevice; + private List<SystraceTag> mTags; + + public SystraceVersionDetector(IDevice device) { + mDevice = device; + } + + @Override + public void run(IProgressMonitor monitor) throws InvocationTargetException, + InterruptedException { + monitor.beginTask("Checking systrace version on device..", + IProgressMonitor.UNKNOWN); + + CountDownLatch setTagLatch = new CountDownLatch(1); + CollectingOutputReceiver receiver = new CollectingOutputReceiver(setTagLatch); + try { + String cmd = "atrace --list_categories"; + mDevice.executeShellCommand(cmd, receiver); + setTagLatch.await(5, TimeUnit.SECONDS); + } catch (Exception e) { + throw new InvocationTargetException(e); + } + + String shellOutput = receiver.getOutput(); + mTags = parseSupportedTags(shellOutput); + + monitor.done(); + } + + public int getVersion() { + if (mTags == null) { + return SYSTRACE_V1; + } else { + return SYSTRACE_V2; + } + } + + public List<SystraceTag> getTags() { + return mTags; + } + + private List<SystraceTag> parseSupportedTags(String listCategoriesOutput) { + if (listCategoriesOutput == null) { + return null; + } + + if (listCategoriesOutput.contains("unknown option")) { + return null; + } + + String[] categories = listCategoriesOutput.split("\n"); + List<SystraceTag> tags = new ArrayList<SystraceTag>(categories.length); + + Pattern p = Pattern.compile("([^-]+) - (.*)"); //$NON-NLS-1$ + for (String category : categories) { + Matcher m = p.matcher(category); + if (m.find()) { + tags.add(new SystraceTag(m.group(1).trim(), m.group(2).trim())); + } + } + + return tags; + } +} |