From: Peter Zijlstra <peterz@infradead.org>
To: Vince Weaver <vincent.weaver@maine.edu>
Cc: Jiri Olsa <jolsa@redhat.com>,
Stephane Eranian <eranian@google.com>,
LKML <linux-kernel@vger.kernel.org>,
Arnaldo Carvalho de Melo <acme@redhat.com>,
mingo@elte.hu, Andi Kleen <ak@linux.intel.com>
Subject: Re: [RFC] perf/core: what is exclude_idle supposed to do
Date: Fri, 20 Apr 2018 10:36:07 +0200 [thread overview]
Message-ID: <20180420083607.GG4064@hirez.programming.kicks-ass.net> (raw)
In-Reply-To: <alpine.DEB.2.21.1804181109100.1587@macbook-air>
On Wed, Apr 18, 2018 at 11:10:20AM -0400, Vince Weaver wrote:
> On Tue, 17 Apr 2018, Jiri Olsa wrote:
>
> > On Mon, Apr 16, 2018 at 10:04:53PM +0000, Stephane Eranian wrote:
> > > Hi,
> > >
> > > I am trying to understand what the exclude_idle event attribute is supposed
> > > to accomplish.
> > > As per the definition in the header file:
> > >
> > > exclude_idle : 1, /* don't count when idle */
> >
> > AFAICS it's not implemented
>
> so just to be completely clear hear, we're saying that the "exclude_idle"
> modifier has never done anything useful and still doesn't?
AFAICT it works on Power and possibly ARM.
next prev parent reply other threads:[~2018-04-20 8:36 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-04-16 22:04 [RFC] perf/core: what is exclude_idle supposed to do Stephane Eranian
2018-04-17 6:20 ` Jiri Olsa
2018-04-18 15:10 ` Vince Weaver
2018-04-20 8:36 ` Peter Zijlstra [this message]
2018-04-20 14:18 ` Vince Weaver
2018-04-20 16:51 ` Vince Weaver
2018-04-20 18:19 ` Stephane Eranian
2018-04-17 13:40 ` Arnaldo Carvalho de Melo
2018-04-20 8:35 ` Peter Zijlstra
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