From: "Michael S. Tsirkin" <mst@redhat.com>
To: "Gabriel L. Somlo" <gsomlo@gmail.com>
Cc: "Radim Krčmář" <rkrcmar@redhat.com>,
linux-kernel@vger.kernel.org,
"Paolo Bonzini" <pbonzini@redhat.com>,
"Jonathan Corbet" <corbet@lwn.net>,
"Thomas Gleixner" <tglx@linutronix.de>,
"Ingo Molnar" <mingo@redhat.com>,
"H. Peter Anvin" <hpa@zytor.com>,
x86@kernel.org, "Joerg Roedel" <joro@8bytes.org>,
kvm@vger.kernel.org, linux-doc@vger.kernel.org
Subject: Re: [PATCH v5 untested] kvm: better MWAIT emulation for guests
Date: Tue, 21 Mar 2017 05:22:20 +0200 [thread overview]
Message-ID: <20170321052102-mutt-send-email-mst@kernel.org> (raw)
In-Reply-To: <20170317132355.GA10906@HEDWIG.INI.CMU.EDU>
On Fri, Mar 17, 2017 at 09:23:56AM -0400, Gabriel L. Somlo wrote:
> OK, now on to Radim's test, on the MacPro1,1:
>
> [kvm-unit-tests]$ time TIMEOUT=20 ./x86-run x86/mwait.flat -append '240 1 1'
> timeout -k 1s --foreground 20 qemu-kvm -nodefaults -enable-kvm -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -kernel x86/mwait.flat -append 240 1 1
> enabling apic
> PASS: resumed from mwait 10000 times
> SUMMARY: 1 tests
>
> real 0m0.746s
> user 0m0.542s
> sys 0m0.215s
> [kvm-unit-tests]$ time TIMEOUT=20 ./x86-run x86/mwait.flat -append '240 1 0'
> timeout -k 1s --foreground 20 qemu-kvm -nodefaults -enable-kvm -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -kernel x86/mwait.flat -append 240 1 0
> enabling apic
> PASS: resumed from mwait 10000 times
> SUMMARY: 1 tests
>
> real 0m0.743s
> user 0m0.528s
> sys 0m0.226s
> [kvm-unit-tests]$ time TIMEOUT=20 ./x86-run x86/mwait.flat -append '240 1 1' -smp 2
> timeout -k 1s --foreground 20 qemu-kvm -nodefaults -enable-kvm -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -kernel x86/mwait.flat -append 240 1 1 -smp 2
> enabling apic
> enabling apic
> FAIL: resumed from mwait 10150 times
> SUMMARY: 1 tests, 1 unexpected failures
>
> real 0m0.745s
> user 0m0.545s
> sys 0m0.214s
> [kvm-unit-tests]$ time TIMEOUT=20 ./x86-run x86/mwait.flat -append '240 1 0' -smp 2
> timeout -k 1s --foreground 20 qemu-kvm -nodefaults -enable-kvm -device pc-testdev -device isa-debug-exit,iobase=0xf4,iosize=0x4 -vnc none -serial stdio -device pci-testdev -kernel x86/mwait.flat -append 240 1 0 -smp 2
> enabling apic
> enabling apic
> FAIL: resumed from mwait 10116 times
> SUMMARY: 1 tests, 1 unexpected failures
>
> real 0m0.744s
> user 0m0.541s
> sys 0m0.217s
>
> HTH,
> --Gabriel
Weird. How can it go above 10000? Radim - any idea?
--
MST
next prev parent reply other threads:[~2017-03-21 3:22 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-15 21:22 [PATCH v5 untested] kvm: better MWAIT emulation for guests Michael S. Tsirkin
2017-03-15 23:35 ` Gabriel L. Somlo
2017-03-15 23:41 ` Michael S. Tsirkin
2017-03-16 13:24 ` Gabriel L. Somlo
2017-03-16 14:04 ` Michael S. Tsirkin
2017-03-16 14:58 ` Gabriel L. Somlo
2017-03-16 15:23 ` Michael S. Tsirkin
2017-03-16 15:35 ` Radim Krčmář
2017-03-16 16:01 ` Radim Krčmář
2017-03-16 16:47 ` Gabriel L. Somlo
2017-03-16 17:22 ` Radim Krčmář
2017-03-16 17:39 ` Gabriel L. Somlo
2017-03-16 17:27 ` Michael S. Tsirkin
2017-03-16 17:41 ` Gabriel L. Somlo
2017-03-16 18:29 ` Michael S. Tsirkin
2017-03-16 19:24 ` Gabriel L. Somlo
2017-03-16 19:27 ` Michael S. Tsirkin
2017-03-16 20:17 ` Gabriel L. Somlo
2017-03-16 21:14 ` Gabriel L. Somlo
2017-03-17 2:03 ` Michael S. Tsirkin
2017-03-17 13:23 ` Gabriel L. Somlo
2017-03-21 3:22 ` Michael S. Tsirkin [this message]
2017-03-21 16:58 ` Radim Krčmář
2017-03-21 17:29 ` Nadav Amit
2017-03-21 17:29 ` Nadav Amit
2017-03-21 19:22 ` Radim Krčmář
2017-03-21 22:51 ` Gabriel Somlo
2017-03-22 0:02 ` Nadav Amit
2017-03-22 13:35 ` Michael S. Tsirkin
2017-03-22 14:10 ` Gabriel L. Somlo
2017-03-22 14:15 ` Michael S. Tsirkin
2017-03-16 16:16 ` Gabriel L. Somlo
2017-03-16 16:45 ` Michael S. Tsirkin
2017-03-16 16:52 ` Gabriel L. Somlo
2017-03-16 16:54 ` Gabriel L. Somlo
2017-03-16 17:14 ` Michael S. Tsirkin
2017-03-16 17:38 ` Radim Krčmář
2017-03-16 14:08 ` Radim Krčmář
2017-03-16 15:44 ` Gabriel L. Somlo
2017-03-16 15:54 ` Radim Krčmář
2017-03-16 16:26 ` Gabriel L. Somlo
2017-03-21 16:16 ` Joerg Roedel
2017-03-21 18:45 ` Michael S. Tsirkin
2017-03-27 13:34 ` Alexander Graf
2017-03-28 14:28 ` Radim Krčmář
2017-03-28 20:35 ` Jim Mattson
2017-03-29 12:11 ` Radim Krčmář
2017-04-03 10:04 ` Alexander Graf
2017-04-04 12:39 ` Radim Krčmář
2017-04-04 12:51 ` Alexander Graf
2017-04-04 13:13 ` Radim Krčmář
2017-04-04 13:15 ` Alexander Graf
2017-04-04 13:44 ` Radim Krčmář
2017-04-04 13:44 ` [Qemu-devel] " Radim Krčmář
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