Groups > linux.kernel > #1645614 > unrolled thread

Query: Notifier support for callback profiling

Started by	"Kohli, Gaurav" <gkohli@codeaurora.org>
First post	2017-05-19 15:50 +0200
Last post	2017-05-19 15:50 +0200
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  Query: Notifier support for callback profiling "Kohli, Gaurav" <gkohli@codeaurora.org> - 2017-05-19 15:50 +0200

#1645614 — Query: Notifier support for callback profiling

From	"Kohli, Gaurav" <gkohli@codeaurora.org>
Date	2017-05-19 15:50 +0200
Subject	Query: Notifier support for callback profiling
Message-ID	<tIQs2-2Qk-9@gated-at.bofh.it>

Hi ,

Can we profile driver specific notifier callback from Linux notifier.
Sometimes we need to debug which callback is taking more time or where 
it is stuck.
If kernel/notifier.c provide generic mechanism to profile callbacks that 
will
save profiling individual callbacks.

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Query: Notifier support for callback profiling

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#1645614 — Query: Notifier support for callback profiling