linux-kernel - Re: [PATCH v5 1/6] tracing: Allow multiple hitcount values in histograms

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Date:   Tue, 6 Sep 2022 22:03:46 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     "Masami Hiramatsu (Google)" <mhiramat@...nel.org>
Cc:     Tom Zanussi <zanussi@...nel.org>, Ingo Molnar <mingo@...hat.com>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v5 1/6] tracing: Allow multiple hitcount values in
 histograms

On Sun,  4 Sep 2022 13:12:20 +0900
"Masami Hiramatsu (Google)" <mhiramat@...nel.org> wrote:

> From: Tom Zanussi <zanussi@...nel.org>
> 
> The hitcount is treated specially in the histograms - since it's
> always expected to be there regardless of whether the user specified
> anything or not, it's always added as the first histogram value.
> 
> Currently the code doesn't allow it to be added more than once as a
> value, which is inconsistent with all the other possible values.  It
> would seem to be a pointless thing to want to do, but other features
> being added such as percent and graph modifiers don't work properly
> with the current hitcount restrictions.
> 
> Fix this by allowing multiple hitcounts to be added.
> 
> Signed-off-by: Tom Zanussi <zanussi@...nel.org>

Hi Masami,

When posting patches from other people, you still need to add your
Signed-off-by, as that denotes the people who processed the patch before it
made it into git.

-- Steve