linux-kernel - Re: [PATCH 06/23] perf mem: Check for memory events support

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Message-ID: <20160223152957.GA9102@krava.redhat.com>
Date:	Tue, 23 Feb 2016 16:29:57 +0100
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>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Stephane Eranian <eranian@...gle.com>,
	Andi Kleen <ak@...ux.intel.com>
Subject: Re: [PATCH 06/23] perf mem: Check for memory events support

On Tue, Feb 23, 2016 at 12:18:14PM -0300, Arnaldo Carvalho de Melo wrote:
> Em Mon, Feb 15, 2016 at 09:34:36AM +0100, Jiri Olsa escreveu:
> > Check if current kernel support available memory events
> > and display the status within -e  list option:
> > 
> >   $ perf mem record -e list
> >   [ok] ldlat-loads
> >   [ok] ldlat-stores
> 
> Can't this be:
> 
>   $ perf mem record -e list
>   ldlat-loads:  Available on this machine
>   ldlat-stores: Available on this machine

hum IMO that would be quite long list if DATALA events will
get in, so I wanted something short and punchy ;-)

how about plaing it into back as you suggested
with just 'available'

	$ perf mem record -e list
	ldlat-loads:  available
	ldlat-stores: available

jirka