Re: xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-19 Thread David Chinner
On Mon, Feb 18, 2008 at 03:22:02PM -0800, Linda Walsh wrote: > Not to look excessively dumb, but what's xfsaild? AIL = Active Item List It is a sorted list all the logged metadata objects that have not yet been written back to disk. The xfsaild is responsible for tail pushing the log. i.e. wri

Re: xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-18 Thread Linda Walsh
Not to look excessively dumb, but what's xfsaild? xfs seems to be sprouting daemons at a more rapid pace these days...xfsbufd, xfssyncd, xfsdatad, xfslogd, xfs_mru_cache, and now xfsaild? Not a complaint if it ups performance, but I do sorta wonder what all of them are for and why they are neede

Re: xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-18 Thread David Chinner
On Mon, Feb 18, 2008 at 11:41:39AM +0200, Török Edwin wrote: > David Chinner wrote: > > On Sun, Feb 17, 2008 at 05:51:08PM +0100, Oliver Pinter wrote: > > > >> On 2/17/08, Török Edwin <[EMAIL PROTECTED]> wrote: > >> > >>> Hi, > >>> > >>> xfsaild is causing many wakeups, a quick investigatio

Re: xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-18 Thread Török Edwin
David Chinner wrote: > On Sun, Feb 17, 2008 at 05:51:08PM +0100, Oliver Pinter wrote: > >> On 2/17/08, Török Edwin <[EMAIL PROTECTED]> wrote: >> >>> Hi, >>> >>> xfsaild is causing many wakeups, a quick investigation shows >>> xfsaild_push is always >>> returning 30 msecs timeout value. >>>

Re: xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-17 Thread David Chinner
On Sun, Feb 17, 2008 at 05:51:08PM +0100, Oliver Pinter wrote: > On 2/17/08, Török Edwin <[EMAIL PROTECTED]> wrote: > > Hi, > > > > xfsaild is causing many wakeups, a quick investigation shows > > xfsaild_push is always > > returning 30 msecs timeout value. That's a bug, and has nothing to do with

Re: xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-17 Thread Oliver Pinter
On 2/17/08, Török Edwin <[EMAIL PROTECTED]> wrote: > Hi, > > xfsaild is causing many wakeups, a quick investigation shows > xfsaild_push is always > returning 30 msecs timeout value. > > This is on an idle system, running only gnome, and gnome-terminal. > > I suggest changing the timeout logic in x

xfsaild causing 30+ wakeups/s on an idle system since 2.6.25-rcX

2008-02-17 Thread Török Edwin
Hi, xfsaild is causing many wakeups, a quick investigation shows xfsaild_push is always returning 30 msecs timeout value. This is on an idle system, running only gnome, and gnome-terminal. I suggest changing the timeout logic in xfsaild to be more power consumption friendly. See below my origin