linux-kernel - Re: [PATCH] tracing: Add "grouping" to histogram logic

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Message-ID: <20210706112659.74bc2b2a@oasis.local.home>
Date:   Tue, 6 Jul 2021 11:26:59 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     Namhyung Kim <namhyung@...nel.org>
Cc:     Masami Hiramatsu <mhiramat@...nel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Ingo Molnar <mingo@...nel.org>,
        Andrew Morton <akpm@...ux-foundation.org>,
        Tom Zanussi <zanussi@...nel.org>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: Re: [PATCH] tracing: Add "grouping" to histogram logic

On Mon, 5 Jul 2021 13:32:53 -0700
Namhyung Kim <namhyung@...nel.org> wrote:

> > Yeah, I just picked '-' but then realized it would conflict with other
> > key words.  
> 
> Also we already have ".log2" flag for a logarithmic histrogram.
> Then we might have something like "keys=FIELD.bucket=SIZE"
> for linear histograms.

I like the above idea.

Tom, do you have any issue with this?

-- Steve