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Android SDK > Android/プロファイラ

Traceview

Top / Traceview

A Graphical Log Viewer

http://developer.android.com/tools/help/traceview.html

概要

• Traceview is a graphical viewer for execution logs saved by your application.
• Traceview can help you debug your application and profile its performance.
• 実行時にログを取得しておいて、そのログをグラフィカルに表示

ログファイル

• generated by adding tracing code to your application or by DDMS

使い方

• https://developer.android.com/studio/profile/traceview-walkthru.html
• To start the Traceview tool:
  • Start the Android Device Monitor.
  • In the Android Device Monitor tool bar, click DDMS and select a process.
  • Click the Start Method Profiling icon to start method profiling.
  • After the profiling is complete, click the Stop Method Profiling icon to display the traceview.

クラス

• android.os.Debug

例

• // start tracing to "/sdcard/calc.trace"
  Debug.startMethodTracing("calc");
  // ...
  // stop tracing
  Debug.stopMethodTracing();

メモ

• Note: Running traceview from the command line has been deprecated.

Profiling with Traceview and dmtracedump

• http://developer.android.com/tools/debugging/debugging-tracing.html
• dmtracedump?

関連

• プロファイラ