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Firefox OS/Performance/App Performance Validation: Difference between revisions
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Firefox OS/Performance/App Performance Validation (view source)
Revision as of 21:32, 25 February 2014
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* Common issues: Please add any common issues to this list. Currently empty. | * Common issues: Please add any common issues to this list. Currently empty. | ||
== 2. Reflows == | == 2. Reflows/Restyles == | ||
'''Platform Contact''': Layout team | '''Platform Contact''': Layout team | ||
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* Attach with the App Manager and tweak the structure and styles of the page to trigger the desired behavior. | * Attach with the App Manager and tweak the structure and styles of the page to trigger the desired behavior. | ||
== 6 | == 6. Checkerboarding == | ||
'''Platform Contact''': Graphics, verify previous steps first | '''Platform Contact''': Graphics, verify previous steps first | ||
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* Consider first repeating some of the previous steps to rule out over-invalidation, reflows and non responsive event loop. | * Consider first repeating some of the previous steps to rule out over-invalidation, reflows and non responsive event loop. | ||
== | == 7. Compositor FPS == | ||
'''Platform Contact''': Graphics | '''Platform Contact''': Graphics | ||
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* Watch the left most FPS counter during idle at various stage of your app. This number should remain very close to the refresh rate of the display (~60 FPS for most devices). There should be little to no dips below 60 FPS here. | * Watch the left most FPS counter during idle at various stage of your app. This number should remain very close to the refresh rate of the display (~60 FPS for most devices). There should be little to no dips below 60 FPS here. | ||
== | == 8. Memory usage == | ||
'''Platform Contact''': Memshrink | '''Platform Contact''': Memshrink | ||
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'''Verification Steps''': | '''Verification Steps''': | ||
== | == 9. Profiling == | ||
'''Platform Contact''': Performance Team & Graphics | '''Platform Contact''': Performance Team & Graphics | ||
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* Profile the app and the compositor: ./profile.sh start b2g -t Compositor && ./profile.sh start APP_NAME_OR_PID | * Profile the app and the compositor: ./profile.sh start b2g -t Compositor && ./profile.sh start APP_NAME_OR_PID | ||
== | == 10. Power usage == | ||
'''Platform Contact''': Performance Team | '''Platform Contact''': Performance Team | ||