From: Jiri Olsa <jolsa@redhat.com>
To: Michael Ellerman <michael@ellerman.id.au>
Cc: Peter Zijlstra <peterz@infradead.org>,
acme@infradead.org, linux-kernel@vger.kernel.org,
linux-doc@vger.kernel.org, rob@landley.net
Subject: Re: [RFC/PATCH] perf: Expand definition of sysfs format attribute
Date: Mon, 8 Apr 2013 17:51:56 +0200 [thread overview]
Message-ID: <20130408155156.GB1287@krava.redhat.com> (raw)
In-Reply-To: <20130408115749.GB17849@concordia>
On Mon, Apr 08, 2013 at 09:57:50PM +1000, Michael Ellerman wrote:
SNIP
> >
> > ISTR discussing this with Jiri at some point.. I think we ended up with
> > being fine with overlapping ranges but having perf issue a warning (not
> > an error) when attributes of a single event have overlap.
>
> OK great.
>
> > I'm not sure the latter was ever implemented in the userspace side.
>
> Yeah not that I can see with a quick look. It's fairly advanced usage
> IMHO so a warning would be nice, but not essential.
oops, missed this email.. sry
it should be ok to overlap.. we don't check those ranges in perf
tool now.. just take whatever is defined in format file
adding the warning to my todo list ;-)
jirka
next prev parent reply other threads:[~2013-04-08 15:52 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-03-04 4:21 Michael Ellerman
2013-04-08 7:24 ` Michael Ellerman
2013-05-06 1:08 ` Michael Ellerman
2013-05-06 8:20 ` Arnaldo Carvalho de Melo
2013-05-06 11:36 ` Jiri Olsa
2013-04-08 9:05 ` Peter Zijlstra
2013-04-08 11:57 ` Michael Ellerman
2013-04-08 15:51 ` Jiri Olsa [this message]
2013-05-10 15:27 ` Peter Zijlstra
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