linux-kernel - Re: [RFC PATCH v2 1/5] irq: add tracepoint to softirq

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Message-ID: <4C245FE9.2050606@jp.fujitsu.com>
Date:	Fri, 25 Jun 2010 16:51:05 +0900
From:	Koki Sanagi <sanagi.koki@...fujitsu.com>
To:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
CC:	linux-kernel@...r.kernel.org, kaneshige.kenji@...fujitsu.com,
	izumi.taku@...fujitsu.com, Lai Jiangshan <laijs@...fujitsu.com>
Subject: Re: [RFC PATCH v2 1/5] irq: add tracepoint to softirq_raise

Thanks Kosaki,

I'll fix a description.

(2010/06/25 10:10), KOSAKI Motohiro wrote:
> (cc to Lai)
> 
>> This patch adds a tracepoint to raising of softirq.
>> This is useful if you want to detect which hard interrupt raise softirq
>> and lets you know a time between raising softirq and performing softirq.
>> Combinating with other tracepoint, it lets us know a process of packets
>> (See patch 0/5).
>>
>>           <idle>-0     [001] 241229.957184: softirq_raise: vec=3 [action=NET_RX]
>>           <idle>-0     [000] 241229.993399: softirq_raise: vec=1 [action=TIMER]
>>           <idle>-0     [000] 241229.993400: softirq_raise: vec=9 [action=RCU]
>>
>> This is a same patch Lai Jiangshan submitted.
>> http://marc.info/?l=linux-kernel&m=126026122728732&w=2
> 
> If so, you shouldn't remove author's info. please fix the description
> as following.
> 
> -------------------------------------------------------------------------
> From: Lai Jiangshan <laijs@...fujitsu.com>
> 
> This patch adds a tracepoint to raising of softirq.
> This is useful if you want to detect which hard interrupt raise softirq
> and lets you know a time between raising softirq and performing softirq.
> Combinating with other tracepoint, it lets us know a process of packets
> (See patch 0/5).
> 
>           <idle>-0     [001] 241229.957184: softirq_raise: vec=3 [action=NET_RX]
>           <idle>-0     [000] 241229.993399: softirq_raise: vec=1 [action=TIMER]
>           <idle>-0     [000] 241229.993400: softirq_raise: vec=9 [action=RCU]
> 
> This is a same below.
> http://marc.info/?l=linux-kernel&m=126026122728732&w=2
> 
> Signed-off-by: Lai Jiangshan <laijs@...fujitsu.com>
> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
> Acked-by: Frederic Weisbecker <fweisbec@...il.com>
> Signed-off-by: Koki Sanagi <sanagi.koki@...fujitsu.com>
> --------------------------------------------------------------------------------
> 
> 
> 
> 


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