From: Avi Kivity <avi@redhat.com>
To: Alexander Graf <agraf@suse.de>
Cc: KVM list <kvm@vger.kernel.org>, Joerg Roedel <joerg.roedel@amd.com>
Subject: Re: [PATCH 0/6] Add rudimentary Hyper-V guest support
Date: Mon, 18 May 2009 16:44:11 +0300 [thread overview]
Message-ID: <4A11662B.4020600@redhat.com> (raw)
In-Reply-To: <A7EE6239-A981-47E2-B4A6-57C638F058B1@suse.de>
Alexander Graf wrote:
>>> Of course, this all depends on the workload. For kernbench style
>>> benchmarks nested NPT probably gives you a bigger win, but anything
>>> doing IO is slowed down way more than it has to now.
>>
>> What is causing 17K pio exits/sec? What port numbers?
>
> Any hints on how to easily find that out? For someone who's too stupid
> to get kvmtrace working :-).
You can always printk() every 1000 loops, but kvmtrace is actually
pretty easy to use. Compile it in, run your guest (pinning to one cpu
deconfuses the output), run kvmtrace -o blah, then use
'./kvmtrace_format formats' as a filter on the binary output.
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-05-18 13:44 UTC|newest]
Thread overview: 41+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-15 8:22 [PATCH 0/6] Add rudimentary Hyper-V guest support Alexander Graf
2009-05-15 8:22 ` [PATCH 1/6] Add definition for IGNNE MSR Alexander Graf
2009-05-15 8:22 ` [PATCH 2/6] MMU: don't bail on PAT bits in PTE Alexander Graf
2009-05-15 8:22 ` [PATCH 3/6] Emulator: Inject #PF when page was not found Alexander Graf
2009-05-15 8:22 ` [PATCH 4/6] Implement Hyper-V MSRs Alexander Graf
2009-05-15 8:22 ` [PATCH 5/6] Nested SVM: Implement INVLPGA Alexander Graf
2009-05-15 8:22 ` [PATCH 6/6] Nested SVM: Improve interrupt injection Alexander Graf
2009-05-17 6:48 ` Gleb Natapov
2009-05-17 8:10 ` Alexander Graf
2009-05-18 11:47 ` Alexander Graf
2009-05-15 13:43 ` [PATCH 5/6] Nested SVM: Implement INVLPGA Joerg Roedel
2009-05-17 20:02 ` Avi Kivity
2009-05-17 20:03 ` Avi Kivity
2009-05-18 18:46 ` Marcelo Tosatti
2009-05-18 13:00 ` Alexander Graf
2009-05-17 9:54 ` [PATCH 4/6] Implement Hyper-V MSRs Avi Kivity
2009-05-17 19:57 ` Alexander Graf
2009-05-17 20:00 ` Avi Kivity
2009-05-17 20:27 ` Alexander Graf
2009-05-17 20:37 ` Alexander Graf
2009-05-15 13:40 ` [PATCH 3/6] Emulator: Inject #PF when page was not found Joerg Roedel
2009-05-17 19:59 ` Avi Kivity
2009-05-17 20:25 ` Alexander Graf
2009-05-17 20:58 ` Avi Kivity
2009-05-18 12:55 ` Alexander Graf
2009-05-15 10:25 ` [PATCH 2/6] MMU: don't bail on PAT bits in PTE Michael S. Tsirkin
2009-05-15 10:53 ` Alexander Graf
2009-05-15 13:19 ` Joerg Roedel
2009-05-17 9:51 ` Avi Kivity
2009-05-15 10:47 ` [PATCH 0/6] Add rudimentary Hyper-V guest support Alexander Graf
2009-05-17 21:08 ` Avi Kivity
2009-05-18 12:45 ` Alexander Graf
2009-05-18 13:29 ` Avi Kivity
2009-05-18 13:35 ` Alexander Graf
2009-05-18 13:44 ` Avi Kivity [this message]
2009-05-18 15:15 ` Alexander Graf
2009-05-18 15:20 ` Avi Kivity
2009-05-18 15:24 ` Alexander Graf
2009-05-18 15:28 ` Avi Kivity
2009-05-18 15:32 ` Alexander Graf
2009-05-18 15:35 ` Avi Kivity
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