From: Andi Kleen <andi@firstfloor.org>
To: "Elliott\, Robert \(Server Storage\)" <Elliott@hp.com>
Cc: Steven Rostedt <rostedt@goodmis.org>,
"linux-kernel\@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"Jens Axboe \<axboe\@kernel.dk\> \(axboe\@kernel.dk\)"
<axboe@kernel.dk>, Christoph Hellwig <hch@lst.de>
Subject: Re: ftrace function-graph and interprocessor interrupts
Date: Wed, 24 Sep 2014 14:49:41 -0700 [thread overview]
Message-ID: <87mw9oelje.fsf@tassilo.jf.intel.com> (raw)
In-Reply-To: <94D0CD8314A33A4D9D801C0FE68B402958C9BE4D@G9W0745.americas.hpqcorp.net> (Robert Elliott's message of "Wed, 24 Sep 2014 21:14:13 +0000")
"Elliott, Robert (Server Storage)" <Elliott@hp.com> writes:
> The function-graph tracer marks some interrupt handler functions
> with ==========> and <========== labels.
I'm not sure the marking is really that useful. Isn't it always obvious
from the function names where an interrupt starts/end?
-Andi
--
ak@linux.intel.com -- Speaking for myself only
next prev parent reply other threads:[~2014-09-24 21:49 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-24 21:14 Elliott, Robert (Server Storage)
2014-09-24 21:49 ` Andi Kleen [this message]
2014-09-24 22:02 ` Elliott, Robert (Server Storage)
2014-09-25 20:38 ` Steven Rostedt
2014-09-25 23:10 ` Elliott, Robert (Server Storage)
2014-09-25 23:38 ` Steven Rostedt
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