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Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delivery
Here we go:-
<domain type="xen" id="4">
<name>LucidHVM</name>
<uuid>0f26e840-836d-18f3-9438-0f12d1e42677</uuid>
<memory>2097152</memory>
<currentMemory>2097152</currentMemory>
<vcpu>2</vcpu>
<os>
<type>hvm</type>
<loader>/usr/lib/xen/boot/hvmloader</loader>
<boot dev="hd"/>
</os>
<features>
<acpi/>
<apic/>
<pae/>
</features>
<clock offset="utc"/>
<on_poweroff>destroy</on_poweroff>
<on_reboot>restart</on_reboot>
<on_crash>restart</on_crash>
<devices>
<emulator>/usr/lib64/xen/bin/qemu-dm</emulator>
************************************************************
<disk type="block"
device="disk">
<driver name="phy"/>
<source dev="/dev/sda7"/>
<target dev="hda" bus="ide"/>
</disk>
<disk type="file" device="cdrom">
<target dev="hdc" bus="ide"/>
<readonly/>
*************************************************************
</disk>
<interface type="bridge">
<mac address="00:16:36:2a:cd:af"/>
<source bridge="br0"/>
<script path="/etc/xen/scripts/vif-bridge"/>
<target dev="vif4.0"/>
</interface>
<serial type="pty">
<source path="/dev/pts/0"/>
<target port="0"/>
</serial>
<console type="pty" tty="/dev/pts/0">
<source path="/dev/pts/0"/>
<target port="0"/>
</console>
<input type="mouse" bus="ps2"/>
<graphics type="vnc" port="5900" autoport="yes" keymap="en-us"/>
<sound
model="es1370"/>
</devices>
</domain>
That's XML profile kept by virt-manager after it's own install HVM DomU on F13
Boris.
--- On Thu, 5/27/10, Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx> wrote:
From: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Subject: Re: [Xen-devel] [PATCH] xen: implement vector callback for evtchn delivery
To: "Boris Derzhavets" <bderzhavets@xxxxxxxxx>
Cc: "xen-devel@xxxxxxxxxxxxxxxxxxx" <xen-devel@xxxxxxxxxxxxxxxxxxx>, "Keir Fraser" <Keir.Fraser@xxxxxxxxxxxxx>, "Stefano Stabellini" <Stefano.Stabellini@xxxxxxxxxxxxx>
Date: Thursday, May 27, 2010, 10:58 AM
On Thu, 27 May 2010, Boris Derzhavets wrote:
> root@LucidSRV:~# cat /proc/interrupts
>
CPU0 CPU1
> 0: 29 0 IO-APIC-edge timer
> 1: 107 0 IO-APIC-edge i8042
> 4: 1 0 IO-APIC-edge
> 6: 2 0 IO-APIC-edge floppy
> 8:
0 0 IO-APIC-edge rtc0
> 9: 0 0 IO-APIC-fasteoi acpi
> 12: 187 496 IO-APIC-edge i8042
> 14: 0 0 IO-APIC-edge ata_piix
> 15: 933 0 IO-APIC-edge ata_piix
> 16: 293
0 xen-dyn-event xenbus
> 17: 5059 0 xen-dyn-event blkif
> 18: 0 0 xen-dyn-event blkif
> 19: 72 0 xen-dyn-event eth0
> 23: 0 0 IO-APIC-fasteoi uhci_hcd:usb1
> 36: 0 0 IO-APIC-fasteoi Ensoniq
AudioPCI
> NMI: 0 0 Non-maskable interrupts
> LOC: 2767 2901 Local timer interrupts
> SPU: 0 0 Spurious interrupts
> PMI: 0 0 Performance monitoring interrupts
> PND: 0 0 Performance pending work
> PLT: 5211 0 Platform interrupts
>
RES: 1189 1949 Rescheduling interrupts
> CAL: 130 89 Function call interrupts
> TLB: 230 179 TLB shootdowns
> TRM: 0 0 Thermal event interrupts
> THR: 0 0 Threshold APIC interrupts
> MCE: 0 0 Machine check exceptions
> MCP:
1 1 Machine check polls
> ERR: 0
> MIS: 0
>
You definitely have the vector callback enabled.
I am not sure why you receive so many ata_piix interrupts given that you
shouldn't be using the emulated disk at all.
Maybe you are reading from an emulated cdrom?
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