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From: Steven Rostedt <rostedt@goodmis.org>
To: Gang Li <ligang.bdlg@bytedance.com>
Cc: mingo@redhat.com, akpm@linux-foundation.org, vbabka@suse.cz,
	axelrasmussen@google.com, linux-kernel@vger.kernel.org,
	linux-mm@kvack.org
Subject: Re: [PATCH v2 1/2] mm: mmap_lock: remove redundant "\n" in TP_printk
Date: Sun, 10 Oct 2021 17:45:55 -0400	[thread overview]
Message-ID: <20211010174555.6a623b29@rorschach.local.home> (raw)
In-Reply-To: <20211009071105.69544-1-ligang.bdlg@bytedance.com>

On Sat,  9 Oct 2021 15:11:05 +0800
Gang Li <ligang.bdlg@bytedance.com> wrote:

> Ftrace core will add "\n" automatically on print. "\n" in TP_printk
> will create blank line, so remove it.
> 

Yes, thank you!

Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

-- Steve

> Signed-off-by: Gang Li <ligang.bdlg@bytedance.com>
> ---
>  include/trace/events/mmap_lock.h | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/include/trace/events/mmap_lock.h b/include/trace/events/mmap_lock.h
> index 0abff67b96f0..5f980c92e3e9 100644
> --- a/include/trace/events/mmap_lock.h
> +++ b/include/trace/events/mmap_lock.h
> @@ -32,7 +32,7 @@ TRACE_EVENT_FN(mmap_lock_start_locking,
>  	),
>  
>  	TP_printk(
> -		"mm=%p memcg_path=%s write=%s\n",
> +		"mm=%p memcg_path=%s write=%s",
>  		__entry->mm,
>  		__get_str(memcg_path),
>  		__entry->write ? "true" : "false"
> @@ -63,7 +63,7 @@ TRACE_EVENT_FN(mmap_lock_acquire_returned,
>  	),
>  
>  	TP_printk(
> -		"mm=%p memcg_path=%s write=%s success=%s\n",
> +		"mm=%p memcg_path=%s write=%s success=%s",
>  		__entry->mm,
>  		__get_str(memcg_path),
>  		__entry->write ? "true" : "false",
> @@ -92,7 +92,7 @@ TRACE_EVENT_FN(mmap_lock_released,
>  	),
>  
>  	TP_printk(
> -		"mm=%p memcg_path=%s write=%s\n",
> +		"mm=%p memcg_path=%s write=%s",
>  		__entry->mm,
>  		__get_str(memcg_path),
>  		__entry->write ? "true" : "false"



  reply	other threads:[~2021-10-10 21:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-10-09  7:11 [PATCH v2 1/2] mm: mmap_lock: remove redundant "\n" in TP_printk Gang Li
2021-10-10 21:45 ` Steven Rostedt [this message]
2021-10-11  7:54 ` Vlastimil Babka

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