Groups > linux.kernel > #1220932

Re: [PATCH] ftrace: allow dumping traces without tracking trace started cpus

From	Steven Rostedt <rostedt@goodmis.org>
Newsgroups	linux.kernel
Subject	Re: [PATCH] ftrace: allow dumping traces without tracking trace started cpus
Date	2015-09-08 17:40 +0200
Message-ID	<q6ta1-8oh-1@gated-at.bofh.it> (permalink)
References	<q52lB-7Jv-25@gated-at.bofh.it> <q5Ehb-2V1-23@gated-at.bofh.it> <q5JgR-1vn-9@gated-at.bofh.it> <q6rUC-6Ec-23@gated-at.bofh.it> <q6rUC-6Ec-41@gated-at.bofh.it>
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On Tue, 08 Sep 2015 10:17:15 -0400
Sasha Levin <sasha.levin@oracle.com> wrote:


> Yes, I agree that it would be nicer if we init it rather than ignore it,
> but I wanted to avoid trying to do an extra allocation on this path since
> it usually happens when the system oopsed, so allocations might be reliable
> and we want to get the ftrace buffer out as reliably as we can.

Fair enough. I'll keep the patch as is then.

-- Steve
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Re: [PATCH] ftrace: allow dumping traces without tracking trace  started cpus Steven Rostedt <rostedt@goodmis.org> - 2015-09-08 16:20 +0200
  Re: [PATCH] ftrace: allow dumping traces without tracking trace started  cpus Sasha Levin <sasha.levin@oracle.com> - 2015-09-08 16:20 +0200
    Re: [PATCH] ftrace: allow dumping traces without tracking trace  started cpus Steven Rostedt <rostedt@goodmis.org> - 2015-09-08 17:40 +0200

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