From: Peter Zijlstra <peterz@infradead.org>
To: "Rogozhkin, Dmitry V" <dmitry.v.rogozhkin@intel.com>
Cc: "intel-gfx@lists.freedesktop.org" <intel-gfx@lists.freedesktop.org>
Subject: Re: [RFC v2 2/3] drm/i915/pmu: serve global events and support perf stat
Date: Wed, 30 Aug 2017 22:03:40 +0200 [thread overview]
Message-ID: <20170830200340.GP6524@worktop.programming.kicks-ass.net> (raw)
In-Reply-To: <1504084943.18626.5.camel@intel.com>
On Wed, Aug 30, 2017 at 05:24:30PM +0000, Rogozhkin, Dmitry V wrote:
> Ok... but they could register for just cpu0. Besides, it looks like on
> Linux cpu0 can't go offline at all at least of x86 architecture. Peter,
> could you, please, clarify the reasoning to register designated readers
> of uncore PMU for few CPUs?
arch/x86/Kconfig:config BOOTPARAM_HOTPLUG_CPU0
means we cannot rely on CPU0 being present, even on x86.
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2017-08-31 12:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-08-23 15:26 [RFC v2 0/3] Support perf stat with i915 PMU Dmitry Rogozhkin
2017-08-23 15:26 ` [RFC v2 1/3] drm/i915/pmu: reorder function to suite next patch Dmitry Rogozhkin
2017-08-23 15:26 ` [RFC v2 2/3] drm/i915/pmu: serve global events and support perf stat Dmitry Rogozhkin
2017-08-23 23:38 ` Rogozhkin, Dmitry V
2017-08-28 22:45 ` Rogozhkin, Dmitry V
2017-08-29 9:28 ` Peter Zijlstra
2017-08-30 17:24 ` Rogozhkin, Dmitry V
2017-08-30 20:03 ` Peter Zijlstra [this message]
2017-08-30 20:05 ` Peter Zijlstra
2017-08-23 15:26 ` [RFC v2 3/3] drm/i915/pmu: deny perf driver level sampling of i915 PMU Dmitry Rogozhkin
2017-08-23 23:43 ` Rogozhkin, Dmitry V
[not found] ` <3EDB40B547243546A1017B798F8C1AA8847FC002@ORSMSX114.amr.corp.intel.com>
[not found] ` <150368515309.27971.17522435118048475155@mail.alporthouse.com>
2017-08-25 19:01 ` Rogozhkin, Dmitry V
2017-08-31 7:41 ` Peter Zijlstra
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20170830200340.GP6524@worktop.programming.kicks-ass.net \
--to=peterz@infradead.org \
--cc=dmitry.v.rogozhkin@intel.com \
--cc=intel-gfx@lists.freedesktop.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.