Re: [PATCH v2 0/3] tracing: signaling large duration and delay

From: Byungchul Park
Date: Wed Nov 05 2014 - 02:42:47 EST


On Wed, Nov 05, 2014 at 04:16:46PM +0900, byungchul.park@xxxxxxx wrote:
> From: Byungchul Park <byungchul.park@xxxxxxx>
>
> Changes from v1 to v2
> * update Document/trace/ftrace.txt
> * seperate the implementation as a macro
> * apply the implementation to delay printing, too
>
> Hello.
>
> When I analysis the exit_mm() function to find out the reason why the
> function spends much time occasionally, this patch was very useful.
> I thought this patch cannot be useful only for me, but can be also
> useful for anybody who want to be signaled for very large function
> execution time, so I decided to submit this patchset.
>
> Nobody who have such a demand? :)
>
> Thanks,
> Byungchul.
>
> Byungchul Park (3):
> tracing, function_graph: fix micro seconds notation in comment
> tracing, function_graph: add additional marks to signal very large
> function execution time
> tracing: add additional marks to signal very large delay
>
> Documentation/trace/ftrace.txt | 10 +++++++---
> kernel/trace/trace.h | 14 ++++++++++++++
> kernel/trace/trace_functions_graph.c | 23 +++++++++++++----------
> kernel/trace/trace_output.c | 15 ++++++++++-----
> 4 files changed, 44 insertions(+), 18 deletions(-)
>
> --
> 1.7.9.5
>
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REALLY REALLY SORRY for sending cover-letter twice. :(
I will be carefull.

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