On Mon, 2014-01-27 at 08:54 -0800, Paul E. McKenney wrote:
> On Mon, Jan 27, 2014 at 06:10:44AM +0100, Mike Galbraith wrote:
> > On Sat, 2014-01-25 at 06:12 +0100, Mike Galbraith wrote:
> > > On Fri, 2014-01-24 at 20:50 +0100, Sebastian Andrzej Siewior wrote:
> > > > * Mike Galbraith | 2014-01-1
On Mon, Jan 27, 2014 at 06:10:44AM +0100, Mike Galbraith wrote:
> On Sat, 2014-01-25 at 06:12 +0100, Mike Galbraith wrote:
> > On Fri, 2014-01-24 at 20:50 +0100, Sebastian Andrzej Siewior wrote:
> > > * Mike Galbraith | 2014-01-18 04:25:14 [+0100]:
> > >
> > > >> ># timers-do-not-raise-softirq-u
On Sat, 2014-01-25 at 06:12 +0100, Mike Galbraith wrote:
> On Fri, 2014-01-24 at 20:50 +0100, Sebastian Andrzej Siewior wrote:
> > * Mike Galbraith | 2014-01-18 04:25:14 [+0100]:
> >
> > >> ># timers-do-not-raise-softirq-unconditionally.patch
> > >> ># rtmutex-use-a-trylock-for-waiter-lock-in-tr
On Fri, 2014-01-24 at 20:46 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2013-12-23 06:12:39 [+0100]:
>
> >P.S.
> >
> >virgin -rt7 doing tbench 64 + make -j64
> >
> >[ 97.907960] perf samples too long (3138 > 2500), lowering
> >kernel.perf_event_max_sample_rate to 5
> >[ 1
On Fri, 2014-01-24 at 20:50 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2014-01-18 04:25:14 [+0100]:
>
> >> ># timers-do-not-raise-softirq-unconditionally.patch
> >> ># rtmutex-use-a-trylock-for-waiter-lock-in-trylock.patch
> >> >
> >> >..those two out does seem to have stabilize
* Mike Galbraith | 2014-01-18 04:25:14 [+0100]:
>> ># timers-do-not-raise-softirq-unconditionally.patch
>> ># rtmutex-use-a-trylock-for-waiter-lock-in-trylock.patch
>> >
>> >..those two out does seem to have stabilized the thing.
>>
>> timers-do-not-raise-softirq-unconditionally.patch is on its w
* Mike Galbraith | 2013-12-23 06:12:39 [+0100]:
>P.S.
>
>virgin -rt7 doing tbench 64 + make -j64
>
>[ 97.907960] perf samples too long (3138 > 2500), lowering
>kernel.perf_event_max_sample_rate to 5
>[ 103.047921] perf samples too long (5544 > 5000), lowering
>kernel.perf_event_max_sample
On Fri, 2014-01-17 at 18:23 +0100, Sebastian Andrzej Siewior wrote:
> So I had rtmutex-take-the-waiter-lock-with-irqs-off.patch in my queue
> which took the waiter lock with irqs off. This should be the same thing
> you try do here.
(yeah, these are just whacked mole body bags;)
--
To unsubscrib
On Fri, 2014-01-17 at 18:14 +0100, Sebastian Andrzej Siewior wrote:
> * Mike Galbraith | 2013-12-25 18:37:37 [+0100]:
>
> >On Tue, 2013-12-24 at 23:55 -0800, Paul E. McKenney wrote:
> >> On Wed, Dec 25, 2013 at 04:07:34AM +0100, Mike Galbraith wrote:
> >
> >Having sufficiently recovered from tur
* Mike Galbraith | 2013-12-26 11:03:32 [+0100]:
>On Wed, 2013-12-25 at 04:07 +0100, Mike Galbraith wrote:
>> On Tue, 2013-12-24 at 11:36 -0800, Paul E. McKenney wrote:
>
>> > So which code do you think deserves the big lump of coal? ;-)
>>
>> Sebastian's NO_HZ_FULL locking fixes.
>
>Whack-a-mol
* Mike Galbraith | 2013-12-25 18:37:37 [+0100]:
>On Tue, 2013-12-24 at 23:55 -0800, Paul E. McKenney wrote:
>> On Wed, Dec 25, 2013 at 04:07:34AM +0100, Mike Galbraith wrote:
>
>Having sufficiently recovered from turkey overdose to be able to slither
>upstairs (bump bump bump) to check on the box
On Wed, 2013-12-25 at 04:07 +0100, Mike Galbraith wrote:
> On Tue, 2013-12-24 at 11:36 -0800, Paul E. McKenney wrote:
> > So which code do you think deserves the big lump of coal? ;-)
>
> Sebastian's NO_HZ_FULL locking fixes.
Whack-a-mole hasn't yet dug up any new moles.
---
kernel/timer.c |
On Tue, 2013-12-24 at 23:55 -0800, Paul E. McKenney wrote:
> On Wed, Dec 25, 2013 at 04:07:34AM +0100, Mike Galbraith wrote:
> > > So which code do you think deserves the big lump of coal? ;-)
> >
> > Sebastian's NO_HZ_FULL locking fixes. Locking is hard, and rt sure
> > doesn't make it any ea
On Wed, Dec 25, 2013 at 04:07:34AM +0100, Mike Galbraith wrote:
> On Tue, 2013-12-24 at 11:36 -0800, Paul E. McKenney wrote:
> > On Mon, Dec 23, 2013 at 05:38:53AM +0100, Mike Galbraith wrote:
> > > On Sun, 2013-12-22 at 09:57 +0100, Mike Galbraith wrote:
> > > > I'll let the box give
> > > > RCU
On Tue, 2013-12-24 at 11:36 -0800, Paul E. McKenney wrote:
> On Mon, Dec 23, 2013 at 05:38:53AM +0100, Mike Galbraith wrote:
> > On Sun, 2013-12-22 at 09:57 +0100, Mike Galbraith wrote:
> > > I'll let the box give
> > > RCU something to do for a couple days. No news is good news.
> >
> > Ho ho
On Mon, Dec 23, 2013 at 05:38:53AM +0100, Mike Galbraith wrote:
> On Sun, 2013-12-22 at 09:57 +0100, Mike Galbraith wrote:
> > I'll let the box give
> > RCU something to do for a couple days. No news is good news.
>
> Ho ho hum, merry christmas, gift attached.
Hmmm... I guess I should take a m
On Mon, 2013-12-23 at 05:38 +0100, Mike Galbraith wrote:
> On Sun, 2013-12-22 at 09:57 +0100, Mike Galbraith wrote:
> > I'll let the box give
> > RCU something to do for a couple days. No news is good news.
>
> Ho ho hum, merry christmas, gift attached.
>
> I'll beat on virgin -rt7, see if it
On Sun, 2013-12-22 at 09:57 +0100, Mike Galbraith wrote:
> I'll let the box give
> RCU something to do for a couple days. No news is good news.
Ho ho hum, merry christmas, gift attached.
I'll beat on virgin -rt7, see if it survives, then re-apply RCU patch
and retest. This kernel had nohz_full
On Sun, 2013-12-22 at 04:07 +0100, Mike Galbraith wrote:
> On Sat, 2013-12-21 at 20:39 +0100, Sebastian Andrzej Siewior wrote:
> > From: "Paul E. McKenney"
> >
> > Running RCU out of softirq is a problem for some workloads that would
> > like to manage RCU core processing independently of other
On Sat, 2013-12-21 at 20:39 +0100, Sebastian Andrzej Siewior wrote:
> From: "Paul E. McKenney"
>
> Running RCU out of softirq is a problem for some workloads that would
> like to manage RCU core processing independently of other softirq work,
> for example, setting kthread priority. This commit
From: "Paul E. McKenney"
Running RCU out of softirq is a problem for some workloads that would
like to manage RCU core processing independently of other softirq work,
for example, setting kthread priority. This commit therefore moves the
RCU core work from softirq to a per-CPU/per-flavor SCHED_O
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