From: David Vrabel <david.vrabel@citrix.com>
To: Konrad Rzeszutek Wilk <konrad@kernel.org>
Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>,
"xen-devel@lists.xensource.com" <xen-devel@lists.xensource.com>,
"x86@kernel.org" <x86@kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-acpi@vger.kernel.org" <linux-acpi@vger.kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
"lenb@kernel.org" <lenb@kernel.org>
Subject: Re: [Xen-devel] Is: axe read_tscp pvops call. Was: Re: [RFC] ACPI S3 and Xen (suprisingly small\!).
Date: Thu, 18 Oct 2012 19:02:02 +0100 [thread overview]
Message-ID: <5080441A.4020907@citrix.com> (raw)
In-Reply-To: <20121018174200.GA20508@localhost.localdomain>
On 18/10/12 18:42, Konrad Rzeszutek Wilk wrote:
>> As for 'perf', since Xen already provides a virtual PMU for HVM guests
>> It's not clear why we would spend the effort to implement another
>> mechanism for PV guests (instead of using the virtual PMU from a PVH guest).
>
> Would that allow one to evaluate the performance/bottlenecks that the
> hypervisor might have?
Not right now, no. But I don't so why it couldn't be possible.
David
next prev parent reply other threads:[~2012-10-18 18:02 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-10-17 13:49 [RFC] ACPI S3 and Xen (suprisingly small\!) Konrad Rzeszutek Wilk
2012-10-17 13:49 ` [PATCH 1/4] x86/wakeup/sleep: Check whether the TSS GDT descriptor is empty before using it Konrad Rzeszutek Wilk
2012-10-18 0:03 ` H. Peter Anvin
2012-10-18 14:47 ` Konrad Rzeszutek Wilk
2012-10-18 15:01 ` H. Peter Anvin
2013-01-17 14:41 ` Konrad Rzeszutek Wilk
2012-10-17 13:49 ` [PATCH 2/4] xen/lowlevel: Implement pvop call for load_idt (sidt) Konrad Rzeszutek Wilk
2012-10-17 23:51 ` H. Peter Anvin
2012-10-18 14:45 ` Konrad Rzeszutek Wilk
2012-10-18 15:02 ` H. Peter Anvin
2013-01-17 14:36 ` Konrad Rzeszutek Wilk
2012-10-17 13:49 ` [PATCH 3/4] xen/lowlevel: Implement pvop call for store_gdt (gidt) Konrad Rzeszutek Wilk
2012-10-17 13:49 ` [PATCH 4/4] xen/acpi: Prep saved_context cr3 values Konrad Rzeszutek Wilk
2013-01-17 14:48 ` Konrad Rzeszutek Wilk
2012-10-17 16:03 ` [RFC] ACPI S3 and Xen (suprisingly small\!) H. Peter Anvin
2012-10-17 16:10 ` Is: axe read_tscp pvops call. Was: " Konrad Rzeszutek Wilk
2012-10-17 16:39 ` Konrad Rzeszutek Wilk
2012-10-17 16:54 ` H. Peter Anvin
2012-10-17 16:50 ` H. Peter Anvin
2012-10-17 16:54 ` Konrad Rzeszutek Wilk
2012-10-17 17:35 ` H. Peter Anvin
2012-10-18 15:22 ` [Xen-devel] " Dan Magenheimer
2012-10-18 15:28 ` H. Peter Anvin
2012-10-18 15:56 ` Dan Magenheimer
2012-10-18 16:17 ` Borislav Petkov
2012-10-18 16:44 ` Stefano Stabellini
2012-10-18 17:04 ` H. Peter Anvin
2012-10-18 16:37 ` H. Peter Anvin
2012-10-19 15:48 ` Is: Xen architecture document. Was: " Konrad Rzeszutek Wilk
2012-10-19 17:45 ` H. Peter Anvin
2012-10-18 16:31 ` David Vrabel
2012-10-18 17:42 ` Konrad Rzeszutek Wilk
2012-10-18 18:02 ` David Vrabel [this message]
2012-10-17 17:46 ` Ben Guthro
2012-10-17 17:43 ` Konrad Rzeszutek Wilk
2012-10-17 18:00 ` Ben Guthro
2012-10-19 18:49 ` Konrad Rzeszutek Wilk
2012-10-20 1:23 ` Ben Guthro
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