linux-kernel - Re: [PATCH v4 07/10] tools/bootconfig: Support per-group/all event enabling option

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Message-Id: <20210814123132.29181525b4debbf3bc5447bb@kernel.org>
Date:   Sat, 14 Aug 2021 12:31:32 +0900
From:   Masami Hiramatsu <mhiramat@...nel.org>
To:     Masami Hiramatsu <mhiramat@...nel.org>
Cc:     Steven Rostedt <rostedt@...dmis.org>, linux-kernel@...r.kernel.org,
        Tom Zanussi <zanussi@...nel.org>
Subject: Re: [PATCH v4 07/10] tools/bootconfig: Support per-group/all event
 enabling option



On Tue, 10 Aug 2021 11:07:58 +0900
Masami Hiramatsu <mhiramat@...nel.org> wrote:

> Signed-off-by: Masami Hiramatsu <mhiramat@...nel.org>

Oops, I missed the changelog for this patch.

-----
Add group or all event enabling syntax support to bconf2ftrace.sh.
User can pass a bootconfig file which includes

ftrace[.instance.INSTANCE].event.enable

    and

ftrace[.instance.INSTANCE].event.GROUP.enable

correctly.
-----

Steve, should I update the patch and resend the series?

Thank you,
    


> ---
>  tools/bootconfig/scripts/bconf2ftrace.sh |   13 +++++++++++++
>  1 file changed, 13 insertions(+)
> 
> diff --git a/tools/bootconfig/scripts/bconf2ftrace.sh b/tools/bootconfig/scripts/bconf2ftrace.sh
> index feb30c2c7881..651049c782c0 100755
> --- a/tools/bootconfig/scripts/bconf2ftrace.sh
> +++ b/tools/bootconfig/scripts/bconf2ftrace.sh
> @@ -101,6 +101,12 @@ setup_event() { # prefix group event [instance]
>  	else
>  		eventdir="$TRACEFS/events/$2/$3"
>  	fi
> +	# group enable
> +	if [ "$3" = "enable" ]; then
> +		run_cmd "echo 1 > ${eventdir}"
> +		return
> +	fi
> +
>  	case $2 in
>  	kprobes)
>  		xbc_get_val ${branch}.probes | while read line; do
> @@ -127,6 +133,13 @@ setup_events() { # prefix("ftrace" or "ftrace.instance.INSTANCE") [instance]
>  			setup_event $prefix ${grpev%.*} ${grpev#*.} $2
>  		done
>  	fi
> +	if xbc_has_branch ${1}.event.enable; then
> +		if [ "$2" ]; then
> +			run_cmd "echo 1 > $TRACEFS/instances/$2/events/enable"
> +		else
> +			run_cmd "echo 1 > $TRACEFS/events/enable"
> +		fi
> +	fi
>  }
>  
>  size2kb() { # size[KB|MB]
> 


-- 
Masami Hiramatsu <mhiramat@...nel.org>