[asterisk-dev] [Code Review] 3175: timing: Improve performance for most timing implementations

[Mark Michelson]

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Ship it!


Ship It!

- Mark Michelson


On Feb. 5, 2014, 6:17 p.m., Joshua Colp wrote:
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> https://reviewboard.asterisk.org/r/3175/
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> (Updated Feb. 5, 2014, 6:17 p.m.)
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> Review request for Asterisk Developers.
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> Repository: Asterisk
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> Description
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> The timing API is currently optimized for the case where timing implementations provide a file descriptor and any API invocations directly act on the file descriptor. In practice this turns out to not be the most common case. Timing implementations commonly store a structure with additional information and then have to use a container lookup on any API invocation to get to it.
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> The attached change removes this container lookup requirement by allowing implementations to store a pointer to their data directly. This removes the container lookup and the world is happier.
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> Diffs
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>   /trunk/res/res_timing_timerfd.c 407425 
>   /trunk/res/res_timing_pthread.c 407425 
>   /trunk/res/res_timing_kqueue.c 407425 
>   /trunk/res/res_timing_dahdi.c 407425 
>   /trunk/main/timing.c 407425 
>   /trunk/include/asterisk/timing.h 407425 
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> Diff: https://reviewboard.asterisk.org/r/3175/diff/
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> Testing
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> Ran the timing test using the various timing implementations on Linux and confirmed they still work. I also placed some calls to a Playback and confirmed it works.
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> Thanks,
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> Joshua Colp
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