From: Tejun Heo <tj@kernel.org>
To: Frederic Weisbecker <fweisbec@gmail.com>
Cc: axboe@kernel.dk, mingo@redhat.com, rostedt@goodmis.org,
teravest@google.com, slavapestov@google.com, ctalbott@google.com,
dhsharp@google.com, linux-kernel@vger.kernel.org,
winget@google.com, namhyung@gmail.com,
"H. Peter Anvin" <hpa@zytor.com>
Subject: Re: [PATCH 8/9] stacktrace: implement save_stack_trace_quick()
Date: Wed, 11 Jan 2012 09:37:00 -0800 [thread overview]
Message-ID: <20120111173700.GH26832@google.com> (raw)
In-Reply-To: <20120111163826.GC26832@google.com>
Hello,
On Wed, Jan 11, 2012 at 08:38:26AM -0800, Tejun Heo wrote:
> It would be best if we can extend the existing one to cover all the
> cases with acceptable overhead. I needed to write this minimal
> version anyway for comparison so it's posted together but no matter
> how it turns out switching them isn't difficult.
To add a bit, it would probably be better to restructure backtrace
code such that the common code provides discrete steps for backtracing
(maybe somewhat like iterators) and interface functions assembling
what they need. Such structure would be much more malleable for
various purposes.
Thanks.
--
tejun
next prev parent reply other threads:[~2012-01-11 17:37 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-10 18:28 [RFC PATCHSET take#2] ioblame: IO tracer with origin tracking Tejun Heo
2012-01-10 18:28 ` [PATCH 1/9] block: abstract disk iteration into disk_iter Tejun Heo
2012-01-10 18:28 ` [PATCH 2/9] block: block_bio_complete tracepoint was missing Tejun Heo
2012-01-11 17:25 ` Steven Rostedt
2012-01-11 17:30 ` Tejun Heo
2012-01-12 0:24 ` Namhyung Kim
2012-01-10 18:28 ` [PATCH 3/9] block: add @req to bio_{front|back}_merge tracepoints Tejun Heo
2012-01-10 18:28 ` [PATCH 4/9] writeback: move struct wb_writeback_work to writeback.h Tejun Heo
2012-01-10 18:28 ` [PATCH 5/9] writeback: add more tracepoints Tejun Heo
2012-01-10 18:28 ` [PATCH 6/9] block: add block_touch_buffer tracepoint Tejun Heo
2012-01-11 17:42 ` Steven Rostedt
2012-01-11 17:58 ` Tejun Heo
2012-01-10 18:28 ` [PATCH 7/9] vfs: add fcheck tracepoint Tejun Heo
2012-01-10 18:28 ` [PATCH 8/9] stacktrace: implement save_stack_trace_quick() Tejun Heo
2012-01-11 16:26 ` Frederic Weisbecker
2012-01-11 16:38 ` Tejun Heo
2012-01-11 17:37 ` Tejun Heo [this message]
2012-01-17 2:22 ` Frederic Weisbecker
2012-01-10 18:28 ` [PATCH 9/9] block, trace: implement ioblame - IO tracer with origin tracking Tejun Heo
2012-01-11 0:25 ` Chanho Park
2012-01-11 1:04 ` Tejun Heo
2012-01-11 1:32 ` [PATCH RESEND " Tejun Heo
2012-01-11 6:15 ` Namhyung Kim
2012-01-11 17:06 ` Tejun Heo
2012-01-12 1:05 ` Namhyung Kim
2012-01-12 1:14 ` Tejun Heo
2012-01-12 1:35 ` Namhyung Kim
2012-01-12 1:37 ` Tejun Heo
2012-01-12 1:40 ` Namhyung Kim
2012-01-12 1:41 ` Namhyung Kim
2012-01-12 1:44 ` Tejun Heo
2012-01-12 2:19 ` Namhyung Kim
2012-01-12 2:24 ` Tejun Heo
2012-01-11 18:08 ` Tejun Heo
2012-01-11 14:40 ` [RFC PATCHSET take#2] ioblame: " Frederic Weisbecker
2012-01-11 17:02 ` Tejun Heo
2012-01-11 22:45 ` David Sharp
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