On Mon, 18 Dec 2006 18:45:49 -0500
Dave Jones <[email protected]> wrote:
> On Mon, Dec 18, 2006 at 03:31:03PM -0800, Andrew Morton wrote:
> > On Sat, 16 Dec 2006 08:56:58 +0100
> > Ingo Molnar <[email protected]> wrote:
> >
> > > ----------------->
> > > Subject: [patch] debugging feature: SysRq-Q to print timers
> > > From: Ingo Molnar <[email protected]>
> > >
> > > add SysRq-Q to print pending timers and other timer info.
> >
> > I must say that I've never needed this feature or /proc/timer-list, and I
> > don't recall ever having seen anyone request it, nor get themselves into a
> > situation where they needed it.
>
> /proc/timer-list is useful for profiling applications doing excessive wakeups.
> With the move towards being tickless, this is more important than ever,
> and giving users the right tools to find these problems themselves is important.
>
oic. Nobody ever tells me squat. <updates changelog>
Your explanation doesn't explain why we need this info in a sysrq
triggerable form.
And what about /proc/timer-stat?
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