linux-kernel - Re: [PATCH 4/5] perf kvm: option to print events that exceed a threshold

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Message-ID: <20130807203437.GJ2665@ghostprotocols.net>
Date:	Wed, 7 Aug 2013 17:34:37 -0300
From:	Arnaldo Carvalho de Melo <acme@...stprotocols.net>
To:	David Ahern <dsahern@...il.com>
Cc:	linux-kernel@...r.kernel.org, xiaoguangrong@...ux.vnet.ibm.com,
	Ingo Molnar <mingo@...nel.org>,
	Frederic Weisbecker <fweisbec@...il.com>,
	Peter Zijlstra <peterz@...radead.org>,
	Jiri Olsa <jolsa@...hat.com>,
	Namhyung Kim <namhyung@...nel.org>,
	Runzhen Wang <runzhen@...ux.vnet.ibm.com>
Subject: Re: [PATCH 4/5] perf kvm: option to print events that exceed a
 threshold

Em Wed, Aug 07, 2013 at 04:24:23PM -0400, David Ahern escreveu:
> On 8/7/13 3:27 PM, Arnaldo Carvalho de Melo wrote:
> >Em Mon, Aug 05, 2013 at 09:41:36PM -0400, David Ahern escreveu:
> >So 'perf trace' has a similar option:
> >
> >[acme@zoo linux]$ perf trace --help
> ><SNIP>
> >         --duration <float>
> >                           show only events with duration > N.M ms
> ><SNIP>
> >
> >While you used:
> >
> >>+		OPT_U64('T', "threshold", &kvm->threshold,
> >>+		    "show events other than HALT that take longer than threshold usecs"),
> >
> >I prefer 'duration', and haven't assigned a single letter to it, they
> >are scarce and we have shell long option completion, what do you think?
> >
> >The term was chosen, for 'perf trace' on the original patchset:
> >
> >http://lwn.net/Articles/415728/
 
> No preference really. I need to send out an update to the man page.
> I can update this patch as well and re-send.

Please. I applied all the other patches, just wait a bit before I run
'male -C tools/perf -f tests/make' on my perf/core before I push it out.

- Arnaldo
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