From: Peter Zijlstra <peterz@infradead.org>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: Yuanhan Liu <yuanhan.liu@linux.intel.com>,
mingo@kernel.org, hpa@zytor.com, linux-kernel@vger.kernel.org,
tglx@linutronix.de, linux-tip-commits@vger.kernel.org,
Fengguang Wu <fengguang.wu@intel.com>,
Huang Ying <ying.huang@intel.com>,
lkp@linux.intel.com
Subject: Re: [PATCH] ftrace, sched: Add TRACE_FLAG_PREEMPT_RESCHED
Date: Fri, 4 Oct 2013 18:28:04 +0200 [thread overview]
Message-ID: <20131004162804.GR3081@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <20131004115712.40c62743@gandalf.local.home>
On Fri, Oct 04, 2013 at 11:57:12AM -0400, Steven Rostedt wrote:
> > + need-resched:
> > + 'N' both TIF_NEED_RESCHED and PREEMPT_NEED_RESCHED is set,
> > + 'n' only TIF_NEED_RESCHED is set,
> > + 'p' only PREEMPT_NEED_RESCHED is set,
> > + '.' otherwise.
>
> Yes this is actually good enough. I'll have to spend time to explain
> this better. But I'll let you off the hook from doing it for me ;-)
beware; such endevours might lead to books and those are typically out
of date by the time they hit the street -- ie. they're a fair waste of
time ;-)
next prev parent reply other threads:[~2013-10-04 16:28 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-25 16:38 [tip:sched/core] sched: Add NEED_RESCHED to the preempt_count tip-bot for Peter Zijlstra
2013-09-27 9:14 ` Yuanhan Liu
2013-09-27 11:57 ` Peter Zijlstra
2013-09-27 12:13 ` Fengguang Wu
2013-09-27 12:20 ` Fengguang Wu
2013-09-27 15:29 ` [PATCH] ftrace, sched: Add TRACE_FLAG_PREEMPT_RESCHED Peter Zijlstra
2013-10-04 8:09 ` Peter Zijlstra
2013-10-04 14:53 ` Steven Rostedt
2013-10-04 15:16 ` Peter Zijlstra
2013-10-04 15:25 ` Steven Rostedt
2013-10-04 15:28 ` Peter Zijlstra
2013-10-04 15:57 ` Steven Rostedt
2013-10-04 16:28 ` Peter Zijlstra [this message]
2013-11-11 17:52 ` [tip:sched/core] " tip-bot for Peter Zijlstra
2013-11-06 16:37 ` [PATCH] " Steven Rostedt
2013-11-06 16:45 ` Peter Zijlstra
2013-11-06 16:58 ` Steven Rostedt
2013-11-06 17:23 ` Peter Zijlstra
2013-09-27 15:30 ` [PATCH] sched: Revert need_resched() to look at TIF_NEED_RESCHED Peter Zijlstra
2013-09-28 8:28 ` [tip:sched/core] " tip-bot for Peter Zijlstra
2013-12-09 6:41 ` [PATCH] " Aneesh Kumar K.V
2013-12-10 15:52 ` Peter Zijlstra
2013-11-28 13:26 ` [PATCH] sched: Remove PREEMPT_NEED_RESCHED from generic code Peter Zijlstra
2013-11-28 15:24 ` Alexander Graf
2013-12-09 6:29 ` Benjamin Herrenschmidt
2013-12-12 9:51 ` [tip:sched/urgent] " tip-bot for Peter Zijlstra
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