1. Android: Performance Testing -Akshay Dashrath

2. Need Speed?

3. What about?

4. Tools Analysing logs (Trace View) Heap Dump Analysis Debug class

5. Trace View Graphical Tool to analyse execution logs

6. // start tracing to "/sdcard/test.trace" Debug.startMethodTracing(“test"); // ... // stop tracing Debug.stopMethodTracing(); adb pull /sdcard/test.trace C:/ traceview C:/trace.test

8. Issues If a thread exits during profiling, the thread name is not emitted; The VM reuses thread IDs. If a thread stops and another starts, they may get the same ID. .trace files larger than 8MB cannot be read by the Viewer

9. Instruction Count

10. Heap Dumps C:/adb shell C:/ chmod 777 /data/misc – In order to make the /data/misc directory writeable C:/exit C:/ adb shell ps C:/ adb shell kill -10 1234 -------Example C:/ adb pull /data/misc/heap-dump-tm-pid.hprofaddress.hprof C:/ hprof-conv heap-dump-tm-pid.hprof4mat.hprof

13. Questions?