Re: [PATCH] cpuidle: menu governor: reduce latency on exit

From: Andrew Morton
Date: Thu Jul 23 2009 - 18:05:55 EST

Next message: Andrew Morton: "Re: [PATCH] Fix for Acer Bluetooth Optical Rechargeable Mouse"
Previous message: We La: "Assertion pthread_mutex_unlock'&m->mutex) == 0 failed at pulsecore/mutex-posix.c:98"
In reply to: Corrado Zoccolo: "[PATCH] cpuidle: menu governor: reduce latency on exit"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

On Sun, 19 Jul 2009 16:59:46 +0200
Corrado Zoccolo <czoccolo@xxxxxxxxx> wrote:

> This patch moves the state residency accounting and statistics
> computation off the hot exit path.
> On exit, the need to recompute statistics is recorded, and new
> statistics will be computed when menu_select is called again.
>

Was there any observed and/or measured effect as a result of this patch?

If so, please send a description of that effect, thanks.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Andrew Morton: "Re: [PATCH] Fix for Acer Bluetooth Optical Rechargeable Mouse"
Previous message: We La: "Assertion pthread_mutex_unlock'&m->mutex) == 0 failed at pulsecore/mutex-posix.c:98"
In reply to: Corrado Zoccolo: "[PATCH] cpuidle: menu governor: reduce latency on exit"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]