linux-kernel - Re: [RFC PATCH v2 2/5] napi: convert trace_napi_poll to TRACE

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Date:	Fri, 25 Jun 2010 09:57:27 +0200
From:	Frederic Weisbecker <fweisbec@...il.com>
To:	Koki Sanagi <sanagi.koki@...fujitsu.com>
Cc:	linux-kernel@...r.kernel.org, kaneshige.kenji@...fujitsu.com,
	izumi.taku@...fujitsu.com,
	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
Subject: Re: [RFC PATCH v2 2/5] napi: convert trace_napi_poll to TRACE_EVENT

2010/6/25 Koki Sanagi <sanagi.koki@...fujitsu.com>:
> This patch converts trace_napi_poll from DECLARE_EVENT to TRACE_EVENT.


>From DECLARE_TRACE to TRACE_EVENT.

Or more generally: this expands the napi polling tracepoint to a trace
event, to improve the
napi polling tracepoint usability.


> This lets you know how long napi_poll takes.
>
>          <idle>-0     [001] 241302.750777: napi_poll: napi poll on napi struct f6acc480 for device eth3
>          <idle>-0     [000] 241302.852389: napi_poll: napi poll on napi struct f5d0d70c for device eth1
>          <idle>-0     [000] 241302.852389: napi_poll: napi poll on napi struct f5d0d20c for device eth1
>
> This is a same patch Neil Horman submitted.
> http://marc.info/?l=linux-kernel&m=125978157926853&w=2

Hmm, nope, doesn't seem to be the same patch.
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