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Firefox OS/Performance/Boot Sequence Optimization: Difference between revisions
Firefox OS/Performance/Boot Sequence Optimization (view source)
Revision as of 22:44, 15 July 2014
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For this and future data collection, at least 30 trials will be recorded. Also in the root directory there are a few randomly selected trials for which charts were generated for quick reference. | For this and future data collection, at least 30 trials will be recorded. Also in the root directory there are a few randomly selected trials for which charts were generated for quick reference. | ||
A rough idea of what | A rough idea of what was seen, as well as empirical hypotheses: | ||
* B2G starts after roughly 8s of mysterious "stuff" | * B2G starts after roughly 8s of mysterious "stuff", impenetrable to bootchart | ||
* | * Based on kmsg, it seems likely that time between 5s and 8s is init script execution up until <code>|class_start main|</code> in the init.rc (which launches B2G service) | ||
* Vertical comes up around 16s, however it does not seem to actually do anything until | * Vertical comes up around 16s, however it does not seem to actually do anything until many seconds after that. | ||
<!-- although I feel like some time as been lost... (by stopwatch it seems longer than that) | is what i thought earlier, but it could just be idle | <!-- although I feel like some time as been lost... (by stopwatch it seems longer than that) | is what i thought earlier, but it could just be idle | ||
I should stopwatch time beginning of vertical again --> | I should stopwatch time beginning of vertical again --> | ||