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From: Steven Rostedt <rostedt@goodmis.org>
To: Peter Zijlstra <peterz@infradead.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 11:25:20 -0400	[thread overview]
Message-ID: <20131004112520.38f6f648@gandalf.local.home> (raw)
In-Reply-To: <20131004151618.GO3081@twins.programming.kicks-ass.net>

On Fri, 4 Oct 2013 17:16:18 +0200
Peter Zijlstra <peterz@infradead.org> wrote:
 > Documentation section
> 
> Ah, you missed the preemption series?

Yeah, I've seen them, just haven't looked at them too deeply yet.

> 
> 1a338ac32ca6 sched, x86: Optimize the preempt_schedule() call
> c2daa3bed53a sched, x86: Provide a per-cpu preempt_count implementation
> a233f1120c37 sched: Prepare for per-cpu preempt_count
> bdb438065890 sched: Extract the basic add/sub preempt_count modifiers
> 01028747559a sched: Create more preempt_count accessors
> a787870924db sched, arch: Create asm/preempt.h
> f27dde8deef3 sched: Add NEED_RESCHED to the preempt_count
> 4a2b4b222743 sched: Introduce preempt_count accessor functions
> ea8117478918 sched, idle: Fix the idle polling state logic
> 315039862646 sched: Remove {set,clear}_need_resched
> b021fe3e2509 sched, rcu: Make RCU use resched_cpu()
> 0c44c2d0f459 x86: Use asm goto to implement better modify_and_test() functions
> 
> preempt_count now includes a NEED_RESCHED and this patch shows which
> is set: N both PREEMPT_NEED_RESCHED and TIF_NEED_RESCHED, n for TIF only
> and p for preempt only.

You still need to update Documentation/trace/ftrace.txt. Search for
"need-resched" and that part will need to be updated.

Thanks,

-- Steve

  reply	other threads:[~2013-10-04 15:25 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 [this message]
2013-10-04 15:28         ` Peter Zijlstra
2013-10-04 15:57           ` Steven Rostedt
2013-10-04 16:28             ` Peter Zijlstra
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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