linux-kernel - Re: [RESEND RFC PATCH v1 07/20] mm: add tracepoints to ksm

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Message-ID: <20230130120324.24928c7a@gandalf.local.home>
Date:   Mon, 30 Jan 2023 12:03:24 -0500
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Stefan Roesch <shr@...kernel.io>
Cc:     linux-mm@...ck.org, linux-doc@...r.kernel.org,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, linux-trace-kernel@...r.kernel.org
Subject: Re: [RESEND RFC PATCH v1 07/20] mm: add tracepoints to ksm

On Mon, 23 Jan 2023 09:37:35 -0800
Stefan Roesch <shr@...kernel.io> wrote:

> This adds the following tracepoints to ksm:
> - start / stop scan
> - ksm enter / exit
> - merge a page
> - merge a page with ksm
> - remove a page
> - remove a rmap item
> 
> Signed-off-by: Stefan Roesch <shr@...kernel.io>
> ---
>  MAINTAINERS                |   1 +
>  include/trace/events/ksm.h | 257 +++++++++++++++++++++++++++++++++++++
>  mm/ksm.c                   |  20 ++-
>  3 files changed, 276 insertions(+), 2 deletions(-)
>  create mode 100644 include/trace/events/ksm.h
> 
> diff --git a/MAINTAINERS b/MAINTAINERS
> index 123216b76534..990a28bdc263 100644
> --- a/MAINTAINERS
> +++ b/MAINTAINERS
> @@ -13482,6 +13482,7 @@ F:	include/linux/memory_hotplug.h
>  F:	include/linux/mm.h
>  F:	include/linux/mmzone.h
>  F:	include/linux/pagewalk.h
> +F:	include/trace/events/ksm.h
>  F:	mm/
>  F:	tools/testing/selftests/vm/
>  

Reviewed-by: Steven Rostedt (Google) <rostedt@...dmis.org>

-- Steve