From: Peter Zijlstra <peterz@infradead.org>
To: "xiaofeng.yan" <xiaofeng.yan@huawei.com>
Cc: linux-kernel@vger.kernel.org, Ingo Molnar <mingo@redhat.com>
Subject: Re: A feature to enhance lockdep function
Date: Tue, 18 Feb 2014 12:27:17 +0100 [thread overview]
Message-ID: <20140218112717.GB27965@twins.programming.kicks-ass.net> (raw)
In-Reply-To: <53033559.2090302@huawei.com>
On Tue, Feb 18, 2014 at 06:26:33PM +0800, xiaofeng.yan wrote:
> From the above information we can get what does really matter rapidly
> when hung-task information.
> This case may be simple. Developer couldn't know the reason why
> hung-task happen in complex environment.
>
> I don't know whether this feature is helpful or not in debug stage.
So we already print the held lock information, and its usually pretty
clear which lock we're trying to grab from the stack trace, which is
also already printed.
parent reply other threads:[~2014-02-18 11:27 UTC|newest]
Thread overview: expand[flat|nested] mbox.gz Atom feed
[parent not found: <53033559.2090302@huawei.com>]
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