linux-kernel - Re: [PATCH v1] softirq: Add tracepoint for tasklet

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Date:   Sat, 28 May 2022 09:58:21 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Junwen Wu <wudaemon@....com>
Cc:     frederic@...nel.org, linux-kernel@...r.kernel.org,
        mingo@...hat.com, tannerlove@...gle.com, tglx@...utronix.de
Subject: Re: [PATCH v1] softirq: Add tracepoint for tasklet_entry/exit

On Sat, 28 May 2022 13:54:11 +0000
Junwen Wu <wudaemon@....com> wrote:

> >From 68d2298372018ec90c8587d5421a0e1a3c9f879f Mon Sep 17 00:00:00 2001  
> From: Junwen Wu <wudaemon@....com>
> Date: Sun, 8 May 2022 15:29:56 +0000
> Subject: [PATCH v2] softirq: Add tracepoint for tasklet_entry/exit

You should always send a v2 as a separate email starting a new thread.

> 
> Usually softirq handler is pre-defined,only tasklet can be register by
> driver.We expand tracepoint for tasklet_entry/exit to trace
> tasklet handler.
> 
> Signed-off-by: Junwen Wu <wudaemon@....com>
> ---

And reference v1 here, by something like:

Changes since v1: https://lore.kernel.org/all/20220508160624.48643-1-wudaemon@163.com/

 - Used DECLARE_EVENT_CLASS (Steven Rostedt)


>  include/trace/events/irq.h | 41 ++++++++++++++++++++++++++++++++++++++
>  kernel/softirq.c           |  4 ++++
>  2 files changed, 45 insertions(+)


-- Steve