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Re: [PATCH 1/5] ftrace: limit use of check pages
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From:
Thomas Gleixner <tglx@...>
To: Steven Rostedt <rostedt@...>
Cc: Ingo Molnar <mingo@...>, <linux-kernel@...>, <pq@...>, <proski@...>, <sandmann@...>, <a.p.zijlstra@...>, Steven Rostedt <srostedt@...>
Subject:
Re: [PATCH 1/5] ftrace: limit use of check pages
Date: Tuesday, May 27, 2008 - 11:34 am
On Thu, 22 May 2008, Steven Rostedt wrote:
quoted text
> The check_pages function is called often enough that it can cause problems > with trace outputs or even bringing the system to a halt. > > This patch limits the check_pages to the places that are most likely to > have problems. The check is made at the flip between the global array and > the max save array, as well as when the size of the buffers changes and > the self tests. > > This patch also removes the BUG_ON from check_pages and replaces it with > a WARN_ON and disabling of the tracer.
Applied and fixed the typo.
quoted text
> + tracing_disabled = 0; \
Thanks, tglx --
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Messages in current thread:
[PATCH 1/5] ftrace: limit use of check pages
, Steven Rostedt
, (Thu May 22, 12:22 am)
Re: [PATCH 1/5] ftrace: limit use of check pages
, Thomas Gleixner
, (Tue May 27, 11:34 am)
Re: [PATCH 1/5] ftrace: limit use of check pages
, Pekka Paalanen
, (Thu May 22, 1:38 pm)
[PATCH] ftrace: fix check_pages disable set
, Steven Rostedt
, (Thu May 22, 2:06 pm)
Re: [PATCH 1/5] ftrace: limit use of check pages
, Steven Rostedt
, (Thu May 22, 1:43 pm)
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