linux-kernel - Re: [PATCH] perf script: Simplify auxiliary event printing functions

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Message-ID: <20200403104802.GJ2784502@krava>
Date:   Fri, 3 Apr 2020 12:48:02 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Adrian Hunter <adrian.hunter@...el.com>
Cc:     Arnaldo Carvalho de Melo <acme@...nel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH] perf script: Simplify auxiliary event printing functions

On Thu, Apr 02, 2020 at 05:15:48PM +0300, Adrian Hunter wrote:
> This simplifies the print functions for the following perf script
> options:
> 
> 	--show-task-events
> 	--show-namespace-events
> 	--show-cgroup-events
> 	--show-mmap-events
> 	--show-switch-events
> 	--show-lost-events
> 	--show-bpf-events
> 
> Example:
> 	# perf record --switch-events -a -e cycles -c 10000 sleep 1
>  Before:
> 	# perf script --show-task-events --show-namespace-events --show-cgroup-events --show-mmap-events --show-switch-events --show-lost-events --show-bpf-events >out-before.txt
>  After:
> 	# perf script --show-task-events --show-namespace-events --show-cgroup-events --show-mmap-events --show-switch-events --show-lost-events --show-bpf-events >out-after.txt
> 	# diff -s out-before.txt out-after.txt
> 	Files out-before.txt and out-after.tx are identical
> 
> Signed-off-by: Adrian Hunter <adrian.hunter@...el.com>

Acked-by: Jiri Olsa <jolsa@...hat.com>

thanks,
jirka