From: Peter Zijlstra <peterz@infradead.org>
To: Venkatesh Pallipadi <venki@google.com>
Cc: Ingo Molnar <mingo@elte.hu>, "H. Peter Anvin" <hpa@zytor.com>,
Thomas Gleixner <tglx@linutronix.de>,
Balbir Singh <balbir@linux.vnet.ibm.com>,
Martin Schwidefsky <schwidefsky@de.ibm.com>,
linux-kernel@vger.kernel.org, Paul Turner <pjt@google.com>,
Eric Dumazet <eric.dumazet@gmail.com>
Subject: Re: Proper kernel irq time accounting -v4
Date: Fri, 15 Oct 2010 19:20:05 +0200 [thread overview]
Message-ID: <1287163205.1998.103.camel@laptop> (raw)
In-Reply-To: <AANLkTinL=FEo9wAaUQ8p6ton+eQxLk1m2BEj-3sof3H+@mail.gmail.com>
On Fri, 2010-10-15 at 10:13 -0700, Venkatesh Pallipadi wrote:
> On Fri, Oct 15, 2010 at 8:27 AM, Peter Zijlstra <peterz@infradead.org> wrote:
> > On Fri, 2010-10-15 at 17:11 +0200, Peter Zijlstra wrote:
> >> OK, I'll take this, but will frob 4 to simply add PF_KSOFTIRQD.
> >>
> >> We can do all additional changes, possibly including what Eric
> >> suggested, at a later stage as increments.
> >>
> >> Thanks!
> >
> > *kablam!*
> >
> > booting with noirqtime doesn't work either, same explosion.
>
> This crash seems to be from patch 8/8 that changed irq_enter. Please
> drop it for now and I will rework that.
> I will also send the cleanup changes including one that Eric suggested
> as incremental patches.
There's also still the PF_flags rework patch from me:
http://lkml.org/lkml/2010/9/20/170
Which I still need to rework based on comments from Linus/Andrew.
The idea is to take out all PF_flags of the "I'm a $FOO" thread into
their own field.
next prev parent reply other threads:[~2010-10-15 17:20 UTC|newest]
Thread overview: 40+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-10-05 0:03 Proper kernel irq time accounting -v4 Venkatesh Pallipadi
2010-10-05 0:03 ` [PATCH 1/8] si time accounting accounts bh_disable'd time to si -v4 Venkatesh Pallipadi
2010-10-18 19:24 ` [tip:sched/core] sched: Fix softirq time accounting tip-bot for Venkatesh Pallipadi
2010-10-05 0:03 ` [PATCH 2/8] Consolidate account_system_vtime extern declaration -v4 Venkatesh Pallipadi
2010-10-18 19:24 ` [tip:sched/core] sched: Consolidate account_system_vtime extern declaration tip-bot for Venkatesh Pallipadi
2010-10-18 19:27 ` [tip:sched/core] sched: Export account_system_vtime() tip-bot for Ingo Molnar
2010-10-05 0:03 ` [PATCH 3/8] Add a PF flag for ksoftirqd identification Venkatesh Pallipadi
2010-10-15 14:26 ` Peter Zijlstra
2010-10-15 14:46 ` Eric Dumazet
2010-10-18 19:25 ` [tip:sched/core] sched: " tip-bot for Venkatesh Pallipadi
2010-10-05 0:03 ` [PATCH 4/8] Add IRQ_TIME_ACCOUNTING, finer accounting of irq time -v4 Venkatesh Pallipadi
2010-10-15 14:28 ` Peter Zijlstra
2010-10-18 19:25 ` [tip:sched/core] sched: Add IRQ_TIME_ACCOUNTING, finer accounting of irq time tip-bot for Venkatesh Pallipadi
2010-10-05 0:03 ` [PATCH 5/8] x86: Add IRQ_TIME_ACCOUNTING in x86 -v4 Venkatesh Pallipadi
2010-10-15 14:38 ` Peter Zijlstra
2010-10-18 19:26 ` [tip:sched/core] x86: Add IRQ_TIME_ACCOUNTING tip-bot for Venkatesh Pallipadi
2010-10-05 0:03 ` [PATCH 6/8] sched: Do not account irq time to current task -v4 Venkatesh Pallipadi
2010-10-18 19:26 ` [tip:sched/core] sched: Do not account irq time to current task tip-bot for Venkatesh Pallipadi
2010-11-29 8:45 ` Yong Zhang
2010-11-29 11:59 ` Peter Zijlstra
2010-11-29 14:22 ` Yong Zhang
2010-11-29 17:06 ` Raistlin
2010-11-30 5:57 ` Yong Zhang
2010-12-01 18:55 ` Venkatesh Pallipadi
2010-12-01 19:16 ` Peter Zijlstra
2010-10-05 0:03 ` [PATCH 7/8] sched: Remove irq time from available CPU power -v4 Venkatesh Pallipadi
2010-10-18 19:26 ` [tip:sched/core] sched: Remove irq time from available CPU power tip-bot for Venkatesh Pallipadi
2010-10-05 0:03 ` [PATCH 8/8] Call tick_check_idle before __irq_enter Venkatesh Pallipadi
2010-10-17 9:05 ` Yong Zhang
2010-10-18 9:15 ` Peter Zijlstra
2010-10-18 19:27 ` [tip:sched/core] sched: " tip-bot for Venkatesh Pallipadi
2010-10-12 19:00 ` Proper kernel irq time accounting -v4 Venkatesh Pallipadi
2010-10-14 16:12 ` Shaun Ruffell
2010-10-14 18:19 ` Venkatesh Pallipadi
2010-10-14 20:00 ` Shaun Ruffell
2010-10-15 15:11 ` Peter Zijlstra
2010-10-15 15:27 ` Peter Zijlstra
2010-10-15 17:13 ` Venkatesh Pallipadi
2010-10-15 17:20 ` Peter Zijlstra [this message]
2010-10-17 9:11 ` Yong Zhang
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