linux-kernel - Re: [PATCH 49/57] perf c2c report: Limit the cachelines table entries

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Message-ID: <20161011092251.GB7038@krava>
Date:   Tue, 11 Oct 2016 11:22:51 +0200
From:   Jiri Olsa <jolsa@...hat.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     Jiri Olsa <jolsa@...nel.org>, lkml <linux-kernel@...r.kernel.org>,
        Don Zickus <dzickus@...hat.com>, Joe Mario <jmario@...hat.com>,
        Ingo Molnar <mingo@...nel.org>,
        Peter Zijlstra <a.p.zijlstra@...llo.nl>,
        Namhyung Kim <namhyung@...nel.org>,
        David Ahern <dsahern@...il.com>,
        Andi Kleen <andi@...stfloor.org>
Subject: Re: [PATCH 49/57] perf c2c report: Limit the cachelines table entries

On Mon, Oct 10, 2016 at 05:01:21PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Thu, Sep 22, 2016 at 05:37:17PM +0200, Jiri Olsa escreveu:
> > Add a limit for entries number of the cachelines table
> > entries. By default now it's the 0.0005% minimum of
> > remote HITMs.
> > 
> > Also display only cachelines with remote hitm or store data.
> 
> Humm, this made my test machine, which has just one CPU, to show nothing
> :-\
> 
> I think we need to have a command line switch to control this?

yep, we make it to display only entries with % hitm > 0.0005,

I think you might want to display local HITMs instead,
which are always easier to catch with -d lcl.. but the
support for this switch is in next patch (53)

thanks,
jirka