From: Tony Lindgren <tony@atomide.com>
To: Kevin Hilman <khilman@mvista.com>
Cc: linux-omap-open-source@linux.omap.com
Subject: Re: [PATCH] ARM: OMAP: hrtimers/dyntick support for OMAP2 GP-timers
Date: Wed, 16 May 2007 10:47:13 -0700 [thread overview]
Message-ID: <20070516174712.GH20297@atomide.com> (raw)
In-Reply-To: <20070511003036.203942772@mvista.com>
* Kevin Hilman <khilman@mvista.com> [070510 17:32]:
> This patch converts the GP-timer layer to use the
> clocksource/clockevent interface provided by the new GENERIC_TIME and
> GENERIC_CLOCKEVENT layers.
>
> Doing so enables use of the new hrtimers and dynticks features on
> OMAP2.
>
> A quick test of hrtimers using Thomas Gleixner's cyclictest on a
> 2430SDP shows min/avg/max userspace latencies of 38/50/850 usec.
>
> A quick test of dyntick using /proc/timer_stats on an idle system
> shows an avg. of ~5 events/sec over a 10 second period.
Pushing today.
Tony
prev parent reply other threads:[~2007-05-16 17:47 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-05-11 0:30 [PATCH] ARM: OMAP: hrtimers/dyntick support for OMAP2 GP-timers Kevin Hilman
2007-05-16 17:47 ` Tony Lindgren [this message]
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