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

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Message-ID: <f74b047f4f270615e05a97f8f600b929af677018.camel@kernel.org>
Date:   Tue, 06 Jul 2021 10:35:22 -0500
From:   Tom Zanussi <zanussi@...nel.org>
To:     Steven Rostedt <rostedt@...dmis.org>,
        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>,
        Daniel Bristot de Oliveira <bristot@...hat.com>
Subject: Re: [PATCH] tracing: Add "grouping" to histogram logic

On Tue, 2021-07-06 at 11:26 -0400, Steven Rostedt wrote:
> 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?

No, that makes very clear what it does.

Tom

> 
> -- Steve