On Sun, 2014-07-27 at 22:18 -0700, Davidlohr Bueso wrote:
> ... as we clearly inline mcs_spin_lock() now.
>
> Signed-off-by: Davidlohr Bueso
Acked-by: Jason Low
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On Mon, 2014-07-28 at 20:50 +0200, Peter Zijlstra wrote:
> On Mon, Jul 28, 2014 at 10:49:35AM -0700, Jason Low wrote:
>
> > So if the function is inlined, perf report would show the contention
> > occurring in the calling function rather than the inlined function. As
> > an example, if we were to
On Mon, Jul 28, 2014 at 10:49:35AM -0700, Jason Low wrote:
> So if the function is inlined, perf report would show the contention
> occurring in the calling function rather than the inlined function. As
> an example, if we were to convert osq_lock() and mutex_spin_on_owner()
> to inline, perf woul
On Mon, 2014-07-28 at 18:54 +0200, Peter Zijlstra wrote:
> On Mon, Jul 28, 2014 at 09:49:35AM -0700, Jason Low wrote:
> > On Sun, 2014-07-27 at 22:18 -0700, Davidlohr Bueso wrote:
> > > ... as we clearly inline mcs_spin_lock() now.
> > >
> > > Signed-off-by: Davidlohr Bueso
> > > ---
> > > kerne
On Mon, 2014-07-28 at 18:57 +0200, Peter Zijlstra wrote:
> On Mon, Jul 28, 2014 at 09:53:58AM -0700, Davidlohr Bueso wrote:
> > Well, it's not hard to see where the contention is when working on
> > locking issues with perf. With mutexes there are only two sources,
> > either the task is just spinn
On Mon, Jul 28, 2014 at 09:53:58AM -0700, Davidlohr Bueso wrote:
> Well, it's not hard to see where the contention is when working on
> locking issues with perf. With mutexes there are only two sources,
> either the task is just spinning trying to get the lock, or its gone to
> the slowpath, and yo
On Mon, Jul 28, 2014 at 09:49:35AM -0700, Jason Low wrote:
> On Sun, 2014-07-27 at 22:18 -0700, Davidlohr Bueso wrote:
> > ... as we clearly inline mcs_spin_lock() now.
> >
> > Signed-off-by: Davidlohr Bueso
> > ---
> > kernel/locking/mcs_spinlock.h | 3 ---
> > 1 file changed, 3 deletions(-)
>
On Mon, 2014-07-28 at 09:49 -0700, Jason Low wrote:
> On Sun, 2014-07-27 at 22:18 -0700, Davidlohr Bueso wrote:
> > ... as we clearly inline mcs_spin_lock() now.
> >
> > Signed-off-by: Davidlohr Bueso
> > ---
> > kernel/locking/mcs_spinlock.h | 3 ---
> > 1 file changed, 3 deletions(-)
> >
> >
On Sun, 2014-07-27 at 22:18 -0700, Davidlohr Bueso wrote:
> ... as we clearly inline mcs_spin_lock() now.
>
> Signed-off-by: Davidlohr Bueso
> ---
> kernel/locking/mcs_spinlock.h | 3 ---
> 1 file changed, 3 deletions(-)
>
> diff --git a/kernel/locking/mcs_spinlock.h b/kernel/locking/mcs_spinlo
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