From: Peter Zijlstra <peterz@infradead.org>
To: Stephane Eranian <eranian@google.com>
Cc: linux-kernel@vger.kernel.org, gleb@redhat.com, mingo@elte.hu,
asharma@fb.com, vince@deater.net, wcohen@redhat.com
Subject: Re: [PATCH] perf_events: proposed fix for broken intr throttling (v2)
Date: Mon, 09 Jan 2012 09:55:18 +0100 [thread overview]
Message-ID: <1326099318.2442.39.camel@twins> (raw)
In-Reply-To: <CABPqkBSmDHHJsSQo8hhe0a9zxr+YX1yWNr3hZoWEU-OShu7=wA@mail.gmail.com>
On Sun, 2012-01-08 at 00:11 +0100, Stephane Eranian wrote:
> I'll look into that one. But at first glance, it does not address the issue
> of adjusting the period at each timer tick. Only multiplexing (rotation) should
> happen at the multiplier rate.
Correct, it only pokes at the throttle stuff. For the freq stuff we can
remain using the nr_freq count to see if we need the iteration.
But yeah, I think that separation you did makes sense.
next prev parent reply other threads:[~2012-01-09 8:55 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-01-06 18:19 Stephane Eranian
2012-01-07 17:03 ` Peter Zijlstra
2012-01-07 23:11 ` Stephane Eranian
2012-01-09 8:55 ` Peter Zijlstra [this message]
2012-01-13 13:20 ` Stephane Eranian
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