From: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
To: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Cc: linux-kernel@vger.kernel.org, kaneshige.kenji@jp.fujitsu.com,
izumi.taku@jp.fujitsu.com, Lai Jiangshan <laijs@cn.fujitsu.com>
Subject: Re: [RFC PATCH v2 1/5] irq: add tracepoint to softirq_raise
Date: Fri, 25 Jun 2010 16:51:05 +0900 [thread overview]
Message-ID: <4C245FE9.2050606@jp.fujitsu.com> (raw)
In-Reply-To: <20100625100718.8034.A69D9226@jp.fujitsu.com>
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@cn.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@cn.fujitsu.com>
> Acked-by: Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
> Acked-by: Frederic Weisbecker <fweisbec@gmail.com>
> Signed-off-by: Koki Sanagi <sanagi.koki@jp.fujitsu.com>
> --------------------------------------------------------------------------------
>
>
>
>
next prev parent reply other threads:[~2010-06-25 7:51 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-24 8:09 [RFC PATCH v2 0/5] netdev: show a process of packets Koki Sanagi
2010-06-24 8:16 ` [RFC PATCH v2 1/5] irq: add tracepoint to softirq_raise Koki Sanagi
2010-06-24 19:15 ` Steven Rostedt
2010-06-25 0:49 ` Koki Sanagi
2010-06-24 8:17 ` [RFC PATCH v2 2/5] napi: convert trace_napi_poll to TRACE_EVENT Koki Sanagi
2010-06-24 8:18 ` [RFC PATCH v2 3/5] netdev: add tracepoints to netdev layer Koki Sanagi
2010-06-24 8:19 ` [RFC PATCH v2 4/5] skb: add tracepoints to freeing skb Koki Sanagi
2010-06-24 8:21 ` [RFC PATCH v2 5/5] perf:add a script shows a process of packet Koki Sanagi
2010-06-25 0:57 ` [RFC PATCH v2 1/5] irq: add tracepoint to softirq_raise Koki Sanagi
2010-06-25 1:10 ` KOSAKI Motohiro
2010-06-25 7:46 ` Frederic Weisbecker
2010-06-25 7:51 ` Koki Sanagi [this message]
2010-06-25 0:58 ` [RFC PATCH v2 2/5] napi: convert trace_napi_poll to TRACE_EVENT Koki Sanagi
2010-06-25 1:11 ` KOSAKI Motohiro
2010-06-25 7:57 ` Frederic Weisbecker
2010-06-25 0:58 ` [RFC PATCH v2 3/5] netdev: add tracepoints to netdev layer Koki Sanagi
2010-06-28 18:09 ` Steven Rostedt
2010-06-29 0:27 ` Koki Sanagi
2010-06-25 0:59 ` [RFC PATCH v2 4/5] skb: add tracepoints to freeing skb Koki Sanagi
2010-06-25 4:55 ` Eric Dumazet
2010-06-25 7:12 ` Koki Sanagi
2010-06-25 20:05 ` Eric Dumazet
2010-06-28 0:25 ` Koki Sanagi
2010-06-28 18:12 ` Steven Rostedt
2010-06-29 0:28 ` Koki Sanagi
2010-06-25 0:59 ` [RFC PATCH v2 5/5] perf:add a script shows a process of packet Koki Sanagi
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