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Re: [Gnash-dev] performance: 1000 wakeups/sec when idle!

From: strk
Subject: Re: [Gnash-dev] performance: 1000 wakeups/sec when idle!
Date: Sun, 7 Jun 2009 02:31:50 +0200

On Thu, Jun 04, 2009 at 03:28:28PM +0200, strk wrote:
> On Tue, Jun 02, 2009 at 12:28:06PM -0700, John Gilmore wrote:
> > I am running "powertop" on Ubuntu 9.04 on an Acer Aspire One, and have
> > gnash-0.8.5 (the standard Ubuntu package) running in a web browser for
> > YouTube.  Powertop showed more than 1000 wakeups/second from gnash
> > doing nanosleeps.

FYI: these are the top causes for wakeups reported by powertop
     on my machine while both gtk-gnash AND the adobe's player
     play the *same* movie (10.0s interval):

  64.5% (476.6)       flashplayer : futex_wait (hrtimer_wakeup)
   8.5% ( 62.9)         gtk-gnash : schedule_timeout (process_timeout)
   8.4% ( 62.2)       flashplayer : schedule_timeout (process_timeout)

The process_timeout seems pretty "compatible" (heart-beat++?)

Does anyone have ideas about what could the hrtimer_wakeup call
performed by adobe's be ?


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