From: Yong Zhang <yong.zhang@windriver.com>
To: Peter Zijlstra <peterz@infradead.org>
Cc: John Kacur <jkacur@gmail.com>,
LKML <linux-kernel@vger.kernel.org>,
linux-rt-users <linux-rt-users@vger.kernel.org>,
Sven-Thorsten Dietrich <thebigcorporation@gmail.com>,
Clark Williams <williams@redhat.com>,
"Luis Claudio R. Goncalves" <lgoncalv@redhat.com>,
Ingo Molnar <mingo@elte.hu>, Thomas Gleixner <tglx@linutronix.de>,
Gregory Haskins <ghaskins@novell.com>
Subject: Re: [PATCH] lockdep: Add nr_save_trace_invocations counter
Date: Fri, 23 Apr 2010 16:03:35 +0800 [thread overview]
Message-ID: <20100423080335.GC21328@windriver.com> (raw)
In-Reply-To: <1272005525.1646.23.camel@laptop>
On Fri, Apr 23, 2010 at 08:52:05AM +0200, Peter Zijlstra wrote:
> On Fri, 2010-04-23 at 10:58 +0800, Yong Zhang wrote:
> >
> > > +unsigned long nr_save_trace_invocations_type[LOCK_USAGE_STATES];
> >
> > And each item in this array will equal to nr_hardirq_[un]safe,
> > nr_softirq_[un]safe and such things under lockdep_stats_show(). Right?
>
> Well, the stats for RECLAIM_FS as missing, so at the very least we need
> to re-write lockdep_stats_show() to use the lockdep_states.h magic.
Yeah, it's a good start point and will keep thing unifying in the future.
Thanks,
Yong
next prev parent reply other threads:[~2010-04-23 8:03 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-22 20:15 [PATCH] lockdep: Add nr_save_trace_invocations counter John Kacur
2010-04-23 2:58 ` Yong Zhang
2010-04-23 6:52 ` Peter Zijlstra
2010-04-23 8:03 ` Yong Zhang [this message]
2010-04-23 7:24 ` John Kacur
2010-04-23 8:00 ` Yong Zhang
2010-04-23 8:05 ` Peter Zijlstra
2010-04-23 8:31 ` John Kacur
2010-04-23 8:31 ` John Kacur
2010-04-23 8:49 ` Yong Zhang
2010-04-23 9:40 ` John Kacur
2010-04-23 13:40 ` [PATCH] lockdep: reduce stack_trace usage Yong Zhang
2010-04-26 6:24 ` Yong Zhang
2010-05-03 12:11 ` Peter Zijlstra
2010-05-04 6:37 ` Yong Zhang
2010-05-04 6:57 ` [PATCH V2] " Yong Zhang
2010-05-04 12:56 ` Peter Zijlstra
2010-05-05 1:31 ` Yong Zhang
2010-05-05 9:09 ` Peter Zijlstra
2010-05-05 9:18 ` Yong Zhang
2010-05-07 18:40 ` [tip:core/locking] lockdep: Reduce " tip-bot for Yong Zhang
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