26df61683a6dacc3cf193e647f9de91d683772ca |
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17-Jan-2013 |
Elliott Hughes <enh@google.com> |
Track a typo fix in hidden libcore API. Change-Id: I6fa3c2ef7f4d73bbf6557560e46c7c11bff74a32
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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ed7e00729f78d11107f0e9a7f0559dfe4be6b560 |
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24-Mar-2011 |
Brian Carlstrom <bdc@google.com> |
SamplingProfilerIntegration and SamplingProfiler improvements (3/3) Summary: frameworks/base - fix profiling to collect data beyond the first snapshot - avoid many small files, accumulate data over process lifetime libcore: - add support for VM specific sampling, trying to cut down overhead - added support for converting snapshot files to text format - fixed race in profiler when stopping dalvik - added VMStack.setThreadStackTrace interface for filling a stack trace into an existing StackTraceElement[] Details: frameworks/base Changed snapshots from text to binary hprof format (bumping version to 3) Changed from one file per snapshot to one file per process lifetime. Restart profiling after snapshot. core/java/com/android/internal/os/SamplingProfilerIntegration.java Add quick test in maybeSnapshot to avoid doing work when the SamplingProfilerIntegration is disabled. Make maybeSnapshot private. Remove unneeded memory allocation in handleLowMemory. core/java/android/app/ActivityThread.java libcore Added ThreadSampler interface. This allows VM specific thread sampling optimizations. The portable version continues to use Thread.getStackTrace(). dalvik/src/main/java/dalvik/system/profiler/ThreadSampler.java dalvik/src/main/java/dalvik/system/profiler/PortableThreadSampler.java dalvik/src/main/java/dalvik/system/profiler/SamplingProfiler.java Add VMStack.setThreadStackTrace and use in new DalvikThreadSampler to avoid allocating a full stack trace when only a limited depth is desired. dalvik/src/main/java/dalvik/system/profiler/DalvikThreadSampler.java dalvik/src/main/java/dalvik/system/VMStack.java Refactored BinaryHprof.readMagic out of BinaryHprofReader so it can be used by HprofBinaryToAscii converter to probing file types. Added magic number constant to be shared between readMagic and BinaryHprofWriter. dalvik/src/main/java/dalvik/system/profiler/BinaryHprof.java dalvik/src/main/java/dalvik/system/profiler/BinaryHprofReader.java dalvik/src/main/java/dalvik/system/profiler/BinaryHprofWriter.java dalvik/src/main/java/dalvik/system/profiler/HprofBinaryToAscii.java Removed unneeded HprofWriter interface. Changed to simpler static interface to write HprofData to binary and text formats. dalvik/src/main/java/dalvik/system/profiler/HprofWriter.java dalvik/src/main/java/dalvik/system/profiler/AsciiHprofWriter.java dalvik/src/main/java/dalvik/system/profiler/BinaryHprofWriter.java dalvik/src/test/java/dalvik/system/profiler/SamplingProfilerTest.java Added support for reading snapshot files created by SamplingProfilerIntegration by stripping the text header to allow easier conversion to the text format. dalvik/src/main/java/dalvik/system/profiler/HprofBinaryToAscii.java Fixed race between Sampler and SamplingProfiler.stop. SamplingProfiler.stop previously simply called the Sampler's TimerTask.cancel method, but this does not wait for a currently running Sampler to finish. The TimerTask documentation says the only reliable way to do this is to have the run() cancel itself, so that is what is now done, with new code to ensure that SamplingProfiler.stop does not return until the Sampler has been terminated. dalvik/src/main/java/dalvik/system/profiler/SamplingProfiler.java dalvik Refactored VMStack_getThreadStackTrace to create helper getTraceBuf used to implement new VMStack_setThreadStackTrace. The new version interface fills an existing StackTraceElement[], avoid allocating unnecessary StackTraceElements. vm/native/dalvik_system_VMStack.c Refactor dvmGetStackTraceRaw to create dvmSetStackTraceRaw which fills in an existing, potentially smaller, StackTraceElement[]. vm/Exception.c vm/Exception.h Change stack depths to be unsigned to avoid signed/unsigned comparison warnings. vm/Ddm.c vm/Exception.c vm/Exception.h Change-Id: I4b90255e4e1d33ea2b569321c4968b0f3369f251
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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a9602db3d5a6c9bc5a7a31b4fe3cc141235ad332 |
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24-Mar-2011 |
Brian Carlstrom <bdc@google.com> |
Tracking SamplingProfiler change in libcore Change-Id: Ic45a1570c01340a5406468a9d0f2a5357175fd80
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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db35269ae4e6a6572156e39557a993d5b730c167 |
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23-Jan-2011 |
Jesse Wilson <jessewilson@google.com> |
Don't call broken+deprecated SamplingProfiler.writeHprofData http://b/3381260 Change-Id: I5cf5ef8fbac2ada3669a0f7eff42f834db6573d7
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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def41ec2e88a70e63590117c93476276f8d0bf4c |
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02-Dec-2010 |
Brian Carlstrom <bdc@google.com> |
Resurrect SamplingProfilerIntegration 1.) Change from samples per second (persist.sys.profiler_hz) to interval between samples (persist.sys.profiler_ms) to match underlying SamplingProfiler API. This allows samples to be taken less often than a second, which allows lower overhead for always on profiling. 2.) Add persist.sys.profiler_depth to control the number of frames kept. Currently defaults to 4 which is the default hprof depth, but often 12 is necessary even in benchmarks to get a good idea where time is being spent. 3.) Moved SNAPSHOT_DIR creation to initialization time instead of checking it on every sample. 4.) Used ThreadFactory to provide human readable name to writeSnapshot Executor thread. 5.) Fixed bug where writeZygoteSnapshot was calling wrong variant of writeSnapshot causing profiling to prevent zygote startup. Renamed underling private writeSnapshot to writeSnapshotFile to try to prevent future confusion. Change-Id: Ifcfc343816b19f13a6eef2cbf25cde334d8adc3b
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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0b91729b8d75668c5593dda1e9f2e79aa7b30c81 |
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12-Nov-2010 |
Brad Fitzpatrick <bradfitz@android.com> |
Disable SamplingProfilerIntegration until it's fixed. Change-Id: I685e0600414836d0caae8e37ee7e97cabeb555ce
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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504d5e0d1fe5cec7c0398064657dab18196a7427 |
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01-Nov-2010 |
Brian Carlstrom <bdc@google.com> |
Change SamplingProfiler to use a sampling interval instead of Hz Change-Id: I15654f1c080215575347559a16ba40e9630371ba
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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c9ad7c6dbb1d70b831cd79416cbe493ade50ed2c |
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01-Sep-2010 |
Brian Carlstrom <bdc@google.com> |
resolved conflicts for merge of 41e99538 to master Change-Id: Idddb72e369f127cd74322c3c7385701c2412e343
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41e99538638795e38b0a02711ceb572d67a779a3 |
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01-Sep-2010 |
Brian Carlstrom <bdc@google.com> |
am 17510863: New Java-based SamplingProfiler Merge commit '1751086360056bc60d00f2ed2988bc82be9e7bd9' into gingerbread-plus-aosp * commit '1751086360056bc60d00f2ed2988bc82be9e7bd9': New Java-based SamplingProfiler
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1751086360056bc60d00f2ed2988bc82be9e7bd9 |
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18-Aug-2010 |
Brian Carlstrom <bdc@google.com> |
New Java-based SamplingProfiler Summary: - libcore: new Java based SamplingProfiler - dalvik: remove old SamplingProfiler native bits - frameworks/base: New placeholder SamplingProfilerIntegration - vendor/google: remove old profiler snapshot parsing code Details: libcore A new 100% Java SamplingProfiler. While it has more overhead that the old native one, the new one can actually collect more than the current PC and frame pointer, so you can get useful context of where your app is spending time. It currently provides ASCII hprof format output for use with tools like PerfAnal dalvik/src/main/java/dalvik/system/SamplingProfiler.java Unit test for the new SamplingProfiler dalvik/src/test/java/dalvik/system/SamplingProfilerTest.java Add core-tests-dalvik JavaLibrary.mk dalvik Removing native code that supported the old SamplingProfiler vm/Dvm.mk vm/native/InternalNative.c vm/native/dalvik_system_SamplingProfiler.c frameworks/base Placeholder SamplingProfilerIntegration. Later plans include generating EventStackTrace protobufs. New SamplingProfiler does not have a global instance, so SamplingProfilerIntegration provides one in INSTANCE. Old binary snapshot format is temporily replaced with ASCII hprof data. core/java/com/android/internal/os/SamplingProfilerIntegration.java Simplified interface for zygote profile snapshotting core/java/com/android/internal/os/ZygoteInit.java Current SamplingProfilerIntegration does not track event loop explicitly, but hprof information does include thread information. core/java/android/app/ActivityThread.java vendor/google Removing code for parsing old SamplingProfiler snapshot format tools/samplingprofiler/Android.mk tools/samplingprofiler/NOTICE tools/samplingprofiler/profiler.iml tools/samplingprofiler/profiler.ipr tools/samplingprofiler/pull-snapshots.sh tools/samplingprofiler/sorttable.js tools/samplingprofiler/src/com/android/profiler/PrintHtml.java
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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798e2d3d0c80e269ead1489dbc3f2f762f1e52b5 |
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17-Jun-2010 |
Christian Mehlmauer <FireFart@gmail.com> |
Replaced /sdcard with Environment.getExternalStorageDirectory() Change-Id: Id789f44a8569e307b1b7ab15eb266c9ce7ef2029
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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bde75706592c77379fb6546283e733abaca6fe04 |
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28-May-2010 |
Sen Hu <senhu@google.com> |
wire up sampling profiler to dropbox When system property "persist.sys.profiler_hz" > 0, SamplingProfilerService is loaded to SystemServer. It creates a FileObserver, watching any new file in the snapshot directory. When a snapshot is found, it is put in dropbox and deleted after that. SamplingProfilerIntegration writes snapshots with headers. Headers are <name, value> pairs, instantiated by caller. Currently header format is (also in source comment): Version: <version number of profiler>\n Process: <process name>\n Package: <package name, if exists>\n Package-Version: <version number of the package, if exists>\n Build: <fingerprint>\n \n <the actual snapshot content begins here...> BUG=2732642 Change-Id: I2c1699f1728e603de13dbd38f9d8443cd3eecc06
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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15a4d2ffd04dc6c70f2cd17dae12ac6bc14c69ab |
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12-Mar-2010 |
Kenny Root <kroot@google.com> |
Add correct copyright headers to multiple files Format for the list of changes shows the origin commit reference followed by the file name. 33931-p9 awt/org/apache/harmony/awt/gl/font/AndroidGlyphVector.java 33931-p9 awt/org/apache/harmony/awt/gl/image/PngDecoderJava.java 133776-p9 core/java/android/app/IntentService.java 127013-p9 core/java/android/appwidget/AppWidgetHost.java 27863-p9 core/java/android/bluetooth/BluetoothAudioGateway.java 60765-p9 core/java/android/content/SyncResult.java 43920-p9 core/java/android/content/pm/ActivityInfo.java 43920-p9 core/java/android/content/pm/ApplicationInfo.java 43920-p9 core/java/android/content/pm/InstrumentationInfo.java 43920-p9 core/java/android/content/pm/PackageInfo.java 44103-p9 core/java/android/content/pm/PackageItemInfo.java 68960-p9 core/java/android/content/pm/PackageStats.java 43920-p9 core/java/android/content/pm/ResolveInfo.java 43920-p9 core/java/android/content/pm/ServiceInfo.java 60641-p9 core/java/android/content/res/Configuration.java 60734-p9 core/java/android/content/res/TypedArray.java 137672-p9 core/java/android/inputmethodservice/ExtractButton.java 123112-p9 core/java/android/inputmethodservice/ExtractEditText.java 119291-p9 core/java/android/inputmethodservice/IInputMethodSessionWrapper.java 112946-p9 core/java/android/inputmethodservice/IInputMethodWrapper.java 115078-p9 core/java/android/os/BatteryStats.java 124790-p9 core/java/android/text/style/UpdateAppearance.java 45083-p9 core/java/android/view/RawInputEvent.java 101491-p9 core/java/android/view/inputmethod/EditorInfo.java 114701-p9 core/java/android/view/inputmethod/ExtractedText.java 123112-p9 core/java/android/view/inputmethod/ExtractedTextRequest.java 119291-p9 core/java/com/android/internal/os/HandlerCaller.java 129279-p9 core/java/com/android/internal/os/PkgUsageStats.java 114701-p9 core/java/com/android/internal/view/IInputConnectionWrapper.java 114701-p9 core/java/com/android/internal/view/InputConnectionWrapper.java 84364-p9 opengl/java/android/opengl/EGLLogWrapper.java 11355-p9 opengl/tools/glgen/src/CFunc.java 11355-p9 opengl/tools/glgen/src/CType.java 11355-p9 opengl/tools/glgen/src/CodeEmitter.java 11355-p9 opengl/tools/glgen/src/GenerateGL.java 11355-p9 opengl/tools/glgen/src/JFunc.java 11355-p9 opengl/tools/glgen/src/JType.java 11355-p9 opengl/tools/glgen/src/JniCodeEmitter.java 11355-p9 opengl/tools/glgen/src/ParameterChecker.java 57236-p9 services/java/com/android/server/status/AnimatedImageView.java 66754-p9 services/java/com/android/server/status/CloseDragHandle.java 57188-p9 services/java/com/android/server/status/DateView.java 46928-p9 services/java/com/android/server/status/ExpandedView.java 70590-p9 services/java/com/android/server/status/FixedSizeDrawable.java 45968-p9 services/java/com/android/server/status/IconData.java 57470-p9 services/java/com/android/server/status/IconMerger.java 82719-p9 services/java/com/android/server/status/LatestItemView.java 45968-p9 services/java/com/android/server/status/NotificationData.java 66754-p9 services/java/com/android/server/status/NotificationLinearLayout.java 57458-p9 services/java/com/android/server/status/NotificationViewList.java 45968-p9 services/java/com/android/server/status/StatusBarException.java 45968-p9 services/java/com/android/server/status/StatusBarIcon.java 46130-p9 services/java/com/android/server/status/StatusBarNotification.java 45968-p9 services/java/com/android/server/status/StatusBarView.java 46199-p9 services/java/com/android/server/status/Ticker.java 62286-p9 services/java/com/android/server/status/TickerView.java 57188-p9 services/java/com/android/server/status/TrackingView.java 86041-p9 telephony/java/android/telephony/PhoneStateListener.java 87020-p9 telephony/java/com/android/internal/telephony/TelephonyIntents.java 136269-p9 telephony/java/com/android/internal/telephony/gsm/SpnOverride.java 34409-p9 tests/FrameworkTest/src/com/android/frameworktest/FrameworkTestApplication.java 55717-p9 tests/FrameworkTest/src/com/android/frameworktest/performance/InvalidateCycle.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/AutoCompleteTextViewActivityLandscape.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/AutoCompleteTextViewActivityPortrait.java 129372-p9 tests/ImfTest/src/com/android/imftest/samples/BigEditTextActivityNonScrollablePanScan.java 129372-p9 tests/ImfTest/src/com/android/imftest/samples/BigEditTextActivityNonScrollableResize.java 129372-p9 tests/ImfTest/src/com/android/imftest/samples/BigEditTextActivityScrollablePanScan.java 129372-p9 tests/ImfTest/src/com/android/imftest/samples/BigEditTextActivityScrollableResize.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/BottomEditTextActivityPanScan.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/BottomEditTextActivityResize.java 127341-p9 tests/ImfTest/src/com/android/imftest/samples/ButtonActivity.java 129347-p9 tests/ImfTest/src/com/android/imftest/samples/DialogActivity.java 129372-p9 tests/ImfTest/src/com/android/imftest/samples/EditTextActivityDialog.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/ManyEditTextActivityNoScrollPanScan.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/ManyEditTextActivityScrollPanScan.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/ManyEditTextActivityScrollResize.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/OneEditTextActivityNotSelected.java 128994-p9 tests/ImfTest/src/com/android/imftest/samples/OneEditTextActivitySelected.java 25959-p9 tests/framework-tests/src/android/test/FrameworkTests.java 46162-p9 tests/framework-tests/src/com/android/internal/http/multipart/MultipartTest.java 77101-p9 tools/layoutlib/bridge/tests/com/android/layoutlib/bridge/NinePatchTest.java 9788976b1465ce982b5ae7c741345edd0ecd9322 core/java/android/accounts/AuthenticatorDescription.java 53332883543868fb83e111a07306368b7772b340 core/java/android/app/UiModeManager.java 93e7e22ec91dbc641d10ca6d70423e1357a95bba core/java/android/app/FullBackupAgent.java 328c0e7986aa6bb7752ec6de3da9c999920bb55f core/java/android/content/CursorEntityIterator.java 307da1a46b4c9b711bafe8fbaaa6b98e8868c18e core/java/android/content/SyncQueue.java 307da1a46b4c9b711bafe8fbaaa6b98e8868c18e core/java/android/content/SyncOperation.java eb034652c2037a47ebfd99779e8383bb8bb528af core/java/android/content/pm/LabeledIntent.java 49237345d83e62fdb9eb8d50b13ad086636a04fa core/java/android/content/pm/FeatureInfo.java a2b6c3775ed6b8924232d6a01bae4a19740a15f8 core/java/android/content/pm/PackageInfoLite.java 3ecd5f437580e49d80beecd29489d5fb1f7a7db0 core/java/android/content/pm/RegisteredServicesCacheListener.java 5ebbb4a6b3e16f711735ae0615b9a9ea64faad38 core/java/android/content/pm/XmlSerializerAndParser.java c4516a7b62de525e3d6d5e76851bdfaf12c11f05 core/java/android/database/sqlite/SQLiteTransactionListener.java 9bbc21a773cbdfbef2876a75c32bda5839647751 core/java/com/android/internal/backup/LocalTransport.java 21f1bd17b2dfe361acbb28453b3f3b1a110932fa core/java/com/android/internal/content/PackageMonitor.java 4c62fc0e1e5ea9c69a12a7d1cf8b3ec8b2d114a3 core/java/com/android/internal/view/BaseSurfaceHolder.java 4c62fc0e1e5ea9c69a12a7d1cf8b3ec8b2d114a3 core/java/com/android/internal/view/BaseIWindow.java e540833fdff4d58e37c9ba859388e24e2945ed45 core/java/com/android/internal/os/SamplingProfilerIntegration.java 192ab903887bbb8e7c7b6da5c581573850e30f46 core/tests/coretests/src/android/widget/expandablelistview/PositionTesterContextMenuListener.java 1619367ab823150fa8856d419abe02ceb75886f1 media/tests/MediaFrameworkTest/src/com/android/mediaframeworktest/MediaProfileReader.java 27f8002e591b5c579f75b2580183b5d1c4219cd4 opengl/tools/glgen/stubs/gles11/glGetString.java 560814f6b11abe83ff0c4ed18cac015c276b3181 opengl/tools/glgen/stubs/gles11/glGetProgramInfoLog.java 560814f6b11abe83ff0c4ed18cac015c276b3181 opengl/tools/glgen/stubs/gles11/glGetShaderInfoLog.java 560814f6b11abe83ff0c4ed18cac015c276b3181 opengl/tools/glgen/stubs/gles11/glShaderSource.java 1c4907ee77392afb768c2f088e0dedbe4239f6fb opengl/tools/glgen/src/GenerateGLES.java 1c4907ee77392afb768c2f088e0dedbe4239f6fb opengl/tools/glgen/src/Jsr239CodeEmitter.java 1c4907ee77392afb768c2f088e0dedbe4239f6fb opengl/tools/glgen/src/GLESCodeEmitter.java 69e21f5f6e0d04539cd92848ea009dd615d88c2c opengl/tests/gldual/src/com/android/gldual/TriangleRenderer.java c028be4f3b8c7476b46859f66c3f33d528adf181 packages/DefaultContainerService/src/com/android/defcontainer/DefaultContainerService.java 7c6efa13f129dbae5319f0981a430d4662f43354 tests/BrowserPowerTest/src/com/android/browserpowertest/PowerMeasurement.java 7c6efa13f129dbae5319f0981a430d4662f43354 tests/BrowserPowerTest/src/com/android/browserpowertest/PowerTestActivity.java 7c6efa13f129dbae5319f0981a430d4662f43354 tests/BrowserPowerTest/src/com/android/browserpowertest/PowerTestRunner.java df8a3f31d871db25e952972c2eb346a71186e9e3 tests/BrowserTestPlugin/src/com/android/testplugin/TestPlugin.java cfaef699e1dfb3a75d5b51f3b15816f13670fd51 tests/permission/src/com/android/framework/permission/tests/ActivityManagerPermissionTests.java cfaef699e1dfb3a75d5b51f3b15816f13670fd51 tests/permission/src/com/android/framework/permission/tests/ServiceManagerPermissionTests.java cfaef699e1dfb3a75d5b51f3b15816f13670fd51 tests/permission/src/com/android/framework/permission/tests/WindowManagerPermissionTests.java Copyright header moved to top in following file: core/tests/coretests/src/android/widget/ListViewTest.java Change-Id: I3c3198be5a0ba36e18679ed834170432bf0b8418
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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eec2f41d607c3eacba4f7d9cc098b335c7310d23 |
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10-Sep-2009 |
Bob Lee <crazybob@google.com> |
Addressed reviewer comments.
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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e540833fdff4d58e37c9ba859388e24e2945ed45 |
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05-Sep-2009 |
Bob Lee <crazybob@crazybob.org> |
Integrated the profiler into the framework. We run it all the time if the persist.sampling_profiler system property is set. Saves snapshots to the SD card.
/frameworks/base/core/java/com/android/internal/os/SamplingProfilerIntegration.java
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