From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:33585) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YqT91-000157-NX for qemu-devel@nongnu.org; Thu, 07 May 2015 17:15:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1YqT8y-0000YE-5L for qemu-devel@nongnu.org; Thu, 07 May 2015 17:15:47 -0400 Received: from indium.canonical.com ([91.189.90.7]:38337) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1YqT8x-0000Xx-QF for qemu-devel@nongnu.org; Thu, 07 May 2015 17:15:44 -0400 Received: from loganberry.canonical.com ([91.189.90.37]) by indium.canonical.com with esmtp (Exim 4.76 #1 (Debian)) id 1YqT8x-0004uu-5t for ; Thu, 07 May 2015 21:15:43 +0000 Received: from loganberry.canonical.com (localhost [127.0.0.1]) by loganberry.canonical.com (Postfix) with ESMTP id 28E3B2E80BB for ; Thu, 7 May 2015 21:15:43 +0000 (UTC) MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Date: Thu, 07 May 2015 21:07:30 -0000 From: tglanfield Sender: bounces@canonical.com References: <20150507210730.16647.32355.malonedeb@gac.canonical.com> Message-Id: <20150507210730.16647.32355.malonedeb@gac.canonical.com> Errors-To: bounces@canonical.com Subject: [Qemu-devel] [Bug 1452904] [NEW] High CPU in idle Windows guest Reply-To: Bug 1452904 <1452904@bugs.launchpad.net> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Public bug reported: Hi, I'm running a freshly installed Windows 7 domU on an up-to-date Debian jessie machine running Xen 4.4.1-9. When the Windows machine is idle, I'm seeing upwards of 10% CPU usage from the qemu-system-i386 instance. Other Linux and FreeBSD machines register negligable CPU usage (<0.5%). The server is an HP Proliant DL360 G7. Data from perf attacthed to the process might give the best clues. Any information as to why this processes is comsuming so much CPU would be much appreciated. Regards, Terry. # uname -a Linux xen 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24) x8= 6_64 GNU/Linux # lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 8.0 (jessie) Release: 8.0 Codename: jessie # qemu-system-i386 --version QEMU emulator version 2.1.2 (Debian 1:2.1+dfsg-11), Copyright (c) 2003-2008= Fabrice Bellard # cat win7.cfg name =3D 'win7' vcpus =3D '1' memory =3D '4096' builder =3D 'hvm' disk =3D [ '/vms/xen/domains/desk_win7/disk1.img,qcow2,hda,rw', '/vms/xen/domains/desk_win7/disk2.img,qcow2,hdb,rw' ] vfb =3D [ 'vnc=3D1,vnclisten=3D"0.0.0.0",sdl=3D0' ] vif =3D [ 'mac=3D00:16:3E:FB:FC:39,bridge=3Dxenbr0' ] serial =3D 'pty' vnc =3D 1 vnclisten =3D '0.0.0.0' sdl =3D 0 usbdevice =3D 'mouse' audio =3D 1 soundhw =3D 'sb16,es1370' on_poweroff =3D 'destroy' on_reboot =3D 'restart' on_crash =3D 'restart' # /usr/bin/qemu-system-i386 -nodefaults -name desk_win7 -boot order=3Dcda -usb -usbdevice mouse -device rtl8139,id=3Dnic0,netdev=3Dnet0,mac=3D00:16:3e:fb:fc:39 -netdev type=3Dtap,id=3Dnet0,ifname=3Dvif12.0-emu,script=3Dno,downscript=3Dno -m 40= 88 -drive file=3D/vms/xen/domains/desk_win7/disk1.img,if=3Dide,index=3D0,media=3Ddisk= ,format=3Dqcow2,cache=3Dwriteback -drive file=3D/vms/xen/domains/desk_win7/disk2.img,if=3Dide,index=3D1,media=3Ddisk= ,format=3Dqcow2,cache=3Dwriteback -vnc 0.0.0.0:0,to=3D99 -display none -device cirrus-vga -global vga.vram_size_mb=3D8 # top Tasks: 134 total, 1 running, 133 sleeping, 0 stopped, 0 zombie %Cpu(s): 16.6 us, 5.5 sy, 0.0 ni, 0.0 id, 77.9 wa, 0.0 hi, 0.0 si, 0.= 0 st KiB Mem: 354420 total, 348884 used, 5536 free, 184 buffers KiB Swap: 17575932 total, 2642868 used, 14933064 free. 4132 cached Mem PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAND = = 12297 root 20 0 6683864 192944 1140 S 20.6 54.4 2:25.51 qemu-sys= te+ = # xen dmesg (XEN) Xen version 4.4.1 (Debian 4.4.1-9) (waldi@debian.org) (gcc (Debian 4.= 9.2-10) 4.9.2) debug=3Dn Mon Apr 6 18:24:28 UTC 2015 (XEN) Bootloader: GRUB 2.02~beta2-22 (XEN) Command line: placeholder dom0_mem=3D512M dom0_max_vcpus=3D1 dom0_vcp= us_pin radeon.modeset=3D0 iommu=3Dno-intremap (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: none; EDID transfer time: 2 seconds (XEN) EDID info not retrieved because no DDC retrieval method detected (XEN) Disc information: (XEN) Found 1 MBR signatures (XEN) Found 1 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000009f400 (usable) (XEN) 000000000009f400 - 00000000000a0000 (reserved) (XEN) 00000000000f0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000cf62f000 (usable) (XEN) 00000000cf62f000 - 00000000cf63c000 (ACPI data) (XEN) 00000000cf63c000 - 00000000cf63d000 (usable) (XEN) 00000000cf63d000 - 00000000d4000000 (reserved) (XEN) 00000000fec00000 - 00000000fee10000 (reserved) (XEN) 00000000ff800000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 00000004affff000 (usable) (XEN) ACPI: RSDP 000F4F00, 0024 (r2 HP ) (XEN) ACPI: XSDT CF630140, 00B4 (r1 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: FACP CF630240, 00F4 (r3 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: DSDT CF630340, 20BD (r1 HP DSDT 1 INTL 20030228) (XEN) ACPI: FACS CF62F100, 0040 (XEN) ACPI: SPCR CF62F140, 0050 (r1 HP SPCRRBSU 1 =C3=92=04 = 162E) (XEN) ACPI: MCFG CF62F1C0, 003C (r1 HP ProLiant 1 0) (XEN) ACPI: HPET CF62F200, 0038 (r1 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: FFFF CF62F240, 0064 (r2 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: SPMI CF62F2C0, 0040 (r5 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: ERST CF62F300, 01D0 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: APIC CF62F500, 015E (r1 HP ProLiant 2 0) (XEN) ACPI: SRAT CF62F680, 0570 (r1 HP Proliant 1 =C3=92=04 = 162E) (XEN) ACPI: FFFF CF62FC00, 0176 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: BERT CF62FD80, 0030 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: HEST CF62FDC0, 00BC (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: DMAR CF62FE80, 0150 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: SSDT CF632400, 0125 (r3 HP CRSPCI0 2 HP 1) (XEN) ACPI: SSDT CF632540, 01CF (r3 HP riser1a 2 INTL 20061109) (XEN) ACPI: SSDT CF632740, 03BB (r1 HP pcc 1 INTL 20090625) (XEN) ACPI: SSDT CF632B00, 0377 (r1 HP pmab 1 INTL 20090625) (XEN) ACPI: SSDT CF632E80, 2094 (r1 INTEL PPM RCM 1 INTL 20061109) (XEN) System RAM: 18421MB (18863928kB) (XEN) Domain heap initialised (XEN) Processor #0 6:12 APIC version 21 (XEN) Processor #16 6:12 APIC version 21 (XEN) Processor #4 6:12 APIC version 21 (XEN) Processor #20 6:12 APIC version 21 (XEN) Processor #2 6:12 APIC version 21 (XEN) Processor #18 6:12 APIC version 21 (XEN) Processor #1 6:12 APIC version 21 (XEN) Processor #17 6:12 APIC version 21 (XEN) Processor #5 6:12 APIC version 21 (XEN) Processor #21 6:12 APIC version 21 (XEN) Processor #3 6:12 APIC version 21 (XEN) Processor #19 6:12 APIC version 21 (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23 (XEN) IOAPIC[1]: apic_id 0, version 32, address 0xfec80000, GSI 24-47 (XEN) Enabling APIC mode: Phys. Using 2 I/O APICs (XEN) Failed to get Error Log Address Range. (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2533.485 MHz processor. (XEN) Initing memory sharing. (XEN) Intel VT-d iommu 0 supported page sizes: 4kB. (XEN) Intel VT-d Snoop Control not enabled. (XEN) Intel VT-d Dom0 DMA Passthrough not enabled. (XEN) Intel VT-d Queued Invalidation enabled. (XEN) Intel VT-d Interrupt Remapping not enabled. (XEN) Intel VT-d Shared EPT tables not enabled. (XEN) I/O virtualisation enabled (XEN) - Dom0 mode: Relaxed (XEN) Interrupt remapping disabled (XEN) Enabled directed EOI with ioapic_ack_old on! (XEN) ENABLING IO-APIC IRQs (XEN) -> Using old ACK method (XEN) Platform timer is 14.318MHz HPET (XEN) Allocated console ring of 32 KiB. (XEN) VMX: Supported advanced features: (XEN) - APIC MMIO access virtualisation (XEN) - APIC TPR shadow (XEN) - Extended Page Tables (EPT) (XEN) - Virtual-Processor Identifiers (VPID) (XEN) - Virtual NMI (XEN) - MSR direct-access bitmap (XEN) - Unrestricted Guest (XEN) HVM: ASIDs enabled. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging (HAP) detected (XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB (XEN) Brought up 12 CPUs (XEN) *** LOADING DOMAIN 0 *** (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x1f18000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 000000049c000000->00000004a0000000 (110661 pages to b= e allocated) (XEN) Init. ramdisk: 00000004aee45000->00000004afdff7d5 (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff81000000->ffffffff81f18000 (XEN) Init. ramdisk: ffffffff81f18000->ffffffff82ed27d5 (XEN) Phys-Mach map: ffffffff82ed3000->ffffffff82fd3000 (XEN) Start info: ffffffff82fd3000->ffffffff82fd34b4 (XEN) Page tables: ffffffff82fd4000->ffffffff82ff1000 (XEN) Boot stack: ffffffff82ff1000->ffffffff82ff2000 (XEN) TOTAL: ffffffff80000000->ffffffff83400000 (XEN) ENTRY ADDRESS: ffffffff819021f0 (XEN) Dom0 has maximum 1 VCPUs (XEN) Scrubbing Free RAM: .................................................= ...........................................................................= .....................................................done. (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input t= o Xen) (XEN) Freed 284kB init memory. # perf report # To display the perf.data header info, please use --header/--header-only o= ptions. # # Samples: 6K of event 'cpu-clock' # Event count (approx.): 1744250000 # # Overhead Command Shared Object = Symbol # ........ ............... ....................... .....................= ............... # 8.69% qemu-system-i38 [kernel.kallsyms] [k] xen_hypercall_xen= _version = 2.29% qemu-system-i38 qemu-system-i386 [.] 0x00000000000acac= 8 = 2.01% qemu-system-i38 qemu-system-i386 [.] 0x00000000000acad= 9 = 1.53% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac97= 8 = 1.33% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac98= 9 = 1.02% qemu-system-i38 qemu-system-i386 [.] 0x00000000000acaa= 4 = 0.93% qemu-system-i38 libc-2.19.so [.] memset = = 0.70% qemu-system-i38 qemu-system-i386 [.] 0x00000000000e281= 4 = 0.69% qemu-system-i38 qemu-system-i386 [.] 0x00000000000e37f= 4 = 0.67% qemu-system-i38 qemu-system-i386 [.] 0x00000000000aca4= 0 = 0.66% qemu-system-i38 qemu-system-i386 [.] 0x00000000000acad= f = 0.60% qemu-system-i38 qemu-system-i386 [.] 0x00000000000acad= 7 = 0.59% qemu-system-i38 [vdso] [.] __vdso_clock_gett= ime = 0.59% qemu-system-i38 qemu-system-i386 [.] 0x0000000000342b8= 8 = 0.57% qemu-system-i38 [vdso] [.] __vdso_gettimeofd= ay = 0.52% qemu-system-i38 [kernel.kallsyms] [k] pvclock_clocksour= ce_read = 0.49% qemu-system-i38 qemu-system-i386 [.] 0x00000000000a9e4= 5 = 0.46% qemu-system-i38 [kernel.kallsyms] [k] do_sys_poll = = 0.37% qemu-system-i38 [kernel.kallsyms] [k] hrtimer_init = = 0.36% qemu-system-i38 [kernel.kallsyms] [k] __fget = = 0.34% qemu-system-i38 [kernel.kallsyms] [k] ktime_get_ts ** Affects: qemu Importance: Undecided Status: New -- = You received this bug notification because you are a member of qemu- devel-ml, which is subscribed to QEMU. https://bugs.launchpad.net/bugs/1452904 Title: High CPU in idle Windows guest Status in QEMU: New Bug description: Hi, I'm running a freshly installed Windows 7 domU on an up-to-date Debian jessie machine running Xen 4.4.1-9. When the Windows machine is idle, I'm seeing upwards of 10% CPU usage from the qemu-system-i386 instance. Other Linux and FreeBSD machines register negligable CPU usage (<0.5%). The server is an HP Proliant DL360 G7. Data from perf attacthed to the process might give the best clues. Any information as to why this processes is comsuming so much CPU would be much appreciated. Regards, Terry. # uname -a Linux xen 3.16.0-4-amd64 #1 SMP Debian 3.16.7-ckt9-3~deb8u1 (2015-04-24) = x86_64 GNU/Linux # lsb_release -a No LSB modules are available. Distributor ID: Debian Description: Debian GNU/Linux 8.0 (jessie) Release: 8.0 Codename: jessie # qemu-system-i386 --version QEMU emulator version 2.1.2 (Debian 1:2.1+dfsg-11), Copyright (c) 2003-20= 08 Fabrice Bellard # cat win7.cfg name =3D 'win7' vcpus =3D '1' memory =3D '4096' builder =3D 'hvm' disk =3D [ '/vms/xen/domains/desk_win7/disk1.img,qcow2,hda,rw', '/vms/xen/domains/desk_win7/disk2.img,qcow2,hdb,rw' ] vfb =3D [ 'vnc=3D1,vnclisten=3D"0.0.0.0",sdl=3D0' ] vif =3D [ 'mac=3D00:16:3E:FB:FC:39,bridge=3Dxenbr0' ] serial =3D 'pty' vnc =3D 1 vnclisten =3D '0.0.0.0' sdl =3D 0 usbdevice =3D 'mouse' audio =3D 1 soundhw =3D 'sb16,es1370' on_poweroff =3D 'destroy' on_reboot =3D 'restart' on_crash =3D 'restart' # /usr/bin/qemu-system-i386 -nodefaults -name desk_win7 -boot order=3Dcda -usb -usbdevice mouse -device rtl8139,id=3Dnic0,netdev=3Dnet0,mac=3D00:16:3e:fb:fc:39 -netdev type=3Dtap,id=3Dnet0,ifname=3Dvif12.0-emu,script=3Dno,downscript=3Dno -m = 4088 -drive file=3D/vms/xen/domains/desk_win7/disk1.img,if=3Dide,index=3D0,media=3Ddi= sk,format=3Dqcow2,cache=3Dwriteback -drive file=3D/vms/xen/domains/desk_win7/disk2.img,if=3Dide,index=3D1,media=3Ddi= sk,format=3Dqcow2,cache=3Dwriteback -vnc 0.0.0.0:0,to=3D99 -display none -device cirrus-vga -global vga.vram_size_mb=3D8 # top Tasks: 134 total, 1 running, 133 sleeping, 0 stopped, 0 zombie %Cpu(s): 16.6 us, 5.5 sy, 0.0 ni, 0.0 id, 77.9 wa, 0.0 hi, 0.0 si, = 0.0 st KiB Mem: 354420 total, 348884 used, 5536 free, 184 buffers KiB Swap: 17575932 total, 2642868 used, 14933064 free. 4132 cached M= em PID USER PR NI VIRT RES SHR S %CPU %MEM TIME+ COMMAN= D = 12297 root 20 0 6683864 192944 1140 S 20.6 54.4 2:25.51 qemu-s= yste+ = # xen dmesg (XEN) Xen version 4.4.1 (Debian 4.4.1-9) (waldi@debian.org) (gcc (Debian = 4.9.2-10) 4.9.2) debug=3Dn Mon Apr 6 18:24:28 UTC 2015 (XEN) Bootloader: GRUB 2.02~beta2-22 (XEN) Command line: placeholder dom0_mem=3D512M dom0_max_vcpus=3D1 dom0_v= cpus_pin radeon.modeset=3D0 iommu=3Dno-intremap (XEN) Video information: (XEN) VGA is text mode 80x25, font 8x16 (XEN) VBE/DDC methods: none; EDID transfer time: 2 seconds (XEN) EDID info not retrieved because no DDC retrieval method detected (XEN) Disc information: (XEN) Found 1 MBR signatures (XEN) Found 1 EDD information structures (XEN) Xen-e820 RAM map: (XEN) 0000000000000000 - 000000000009f400 (usable) (XEN) 000000000009f400 - 00000000000a0000 (reserved) (XEN) 00000000000f0000 - 0000000000100000 (reserved) (XEN) 0000000000100000 - 00000000cf62f000 (usable) (XEN) 00000000cf62f000 - 00000000cf63c000 (ACPI data) (XEN) 00000000cf63c000 - 00000000cf63d000 (usable) (XEN) 00000000cf63d000 - 00000000d4000000 (reserved) (XEN) 00000000fec00000 - 00000000fee10000 (reserved) (XEN) 00000000ff800000 - 0000000100000000 (reserved) (XEN) 0000000100000000 - 00000004affff000 (usable) (XEN) ACPI: RSDP 000F4F00, 0024 (r2 HP ) (XEN) ACPI: XSDT CF630140, 00B4 (r1 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: FACP CF630240, 00F4 (r3 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: DSDT CF630340, 20BD (r1 HP DSDT 1 INTL 2003022= 8) (XEN) ACPI: FACS CF62F100, 0040 (XEN) ACPI: SPCR CF62F140, 0050 (r1 HP SPCRRBSU 1 =C3=92=04 = 162E) (XEN) ACPI: MCFG CF62F1C0, 003C (r1 HP ProLiant 1 = 0) (XEN) ACPI: HPET CF62F200, 0038 (r1 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: FFFF CF62F240, 0064 (r2 HP ProLiant 2 =C3=92=04 = 162E) (XEN) ACPI: SPMI CF62F2C0, 0040 (r5 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: ERST CF62F300, 01D0 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: APIC CF62F500, 015E (r1 HP ProLiant 2 = 0) (XEN) ACPI: SRAT CF62F680, 0570 (r1 HP Proliant 1 =C3=92=04 = 162E) (XEN) ACPI: FFFF CF62FC00, 0176 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: BERT CF62FD80, 0030 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: HEST CF62FDC0, 00BC (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: DMAR CF62FE80, 0150 (r1 HP ProLiant 1 =C3=92=04 = 162E) (XEN) ACPI: SSDT CF632400, 0125 (r3 HP CRSPCI0 2 HP = 1) (XEN) ACPI: SSDT CF632540, 01CF (r3 HP riser1a 2 INTL 2006110= 9) (XEN) ACPI: SSDT CF632740, 03BB (r1 HP pcc 1 INTL 2009062= 5) (XEN) ACPI: SSDT CF632B00, 0377 (r1 HP pmab 1 INTL 2009062= 5) (XEN) ACPI: SSDT CF632E80, 2094 (r1 INTEL PPM RCM 1 INTL 2006110= 9) (XEN) System RAM: 18421MB (18863928kB) (XEN) Domain heap initialised (XEN) Processor #0 6:12 APIC version 21 (XEN) Processor #16 6:12 APIC version 21 (XEN) Processor #4 6:12 APIC version 21 (XEN) Processor #20 6:12 APIC version 21 (XEN) Processor #2 6:12 APIC version 21 (XEN) Processor #18 6:12 APIC version 21 (XEN) Processor #1 6:12 APIC version 21 (XEN) Processor #17 6:12 APIC version 21 (XEN) Processor #5 6:12 APIC version 21 (XEN) Processor #21 6:12 APIC version 21 (XEN) Processor #3 6:12 APIC version 21 (XEN) Processor #19 6:12 APIC version 21 (XEN) IOAPIC[0]: apic_id 8, version 32, address 0xfec00000, GSI 0-23 (XEN) IOAPIC[1]: apic_id 0, version 32, address 0xfec80000, GSI 24-47 (XEN) Enabling APIC mode: Phys. Using 2 I/O APICs (XEN) Failed to get Error Log Address Range. (XEN) Using scheduler: SMP Credit Scheduler (credit) (XEN) Detected 2533.485 MHz processor. (XEN) Initing memory sharing. (XEN) Intel VT-d iommu 0 supported page sizes: 4kB. (XEN) Intel VT-d Snoop Control not enabled. (XEN) Intel VT-d Dom0 DMA Passthrough not enabled. (XEN) Intel VT-d Queued Invalidation enabled. (XEN) Intel VT-d Interrupt Remapping not enabled. (XEN) Intel VT-d Shared EPT tables not enabled. (XEN) I/O virtualisation enabled (XEN) - Dom0 mode: Relaxed (XEN) Interrupt remapping disabled (XEN) Enabled directed EOI with ioapic_ack_old on! (XEN) ENABLING IO-APIC IRQs (XEN) -> Using old ACK method (XEN) Platform timer is 14.318MHz HPET (XEN) Allocated console ring of 32 KiB. (XEN) VMX: Supported advanced features: (XEN) - APIC MMIO access virtualisation (XEN) - APIC TPR shadow (XEN) - Extended Page Tables (EPT) (XEN) - Virtual-Processor Identifiers (VPID) (XEN) - Virtual NMI (XEN) - MSR direct-access bitmap (XEN) - Unrestricted Guest (XEN) HVM: ASIDs enabled. (XEN) HVM: VMX enabled (XEN) HVM: Hardware Assisted Paging (HAP) detected (XEN) HVM: HAP page sizes: 4kB, 2MB, 1GB (XEN) Brought up 12 CPUs (XEN) *** LOADING DOMAIN 0 *** (XEN) Xen kernel: 64-bit, lsb, compat32 (XEN) Dom0 kernel: 64-bit, PAE, lsb, paddr 0x1000000 -> 0x1f18000 (XEN) PHYSICAL MEMORY ARRANGEMENT: (XEN) Dom0 alloc.: 000000049c000000->00000004a0000000 (110661 pages to= be allocated) (XEN) Init. ramdisk: 00000004aee45000->00000004afdff7d5 (XEN) VIRTUAL MEMORY ARRANGEMENT: (XEN) Loaded kernel: ffffffff81000000->ffffffff81f18000 (XEN) Init. ramdisk: ffffffff81f18000->ffffffff82ed27d5 (XEN) Phys-Mach map: ffffffff82ed3000->ffffffff82fd3000 (XEN) Start info: ffffffff82fd3000->ffffffff82fd34b4 (XEN) Page tables: ffffffff82fd4000->ffffffff82ff1000 (XEN) Boot stack: ffffffff82ff1000->ffffffff82ff2000 (XEN) TOTAL: ffffffff80000000->ffffffff83400000 (XEN) ENTRY ADDRESS: ffffffff819021f0 (XEN) Dom0 has maximum 1 VCPUs (XEN) Scrubbing Free RAM: ...............................................= ...........................................................................= .......................................................done. (XEN) Initial low memory virq threshold set at 0x4000 pages. (XEN) Std. Loglevel: Errors and warnings (XEN) Guest Loglevel: Nothing (Rate-limited: Errors and warnings) (XEN) Xen is relinquishing VGA console. (XEN) *** Serial input -> DOM0 (type 'CTRL-a' three times to switch input= to Xen) (XEN) Freed 284kB init memory. # perf report # To display the perf.data header info, please use --header/--header-only= options. # # Samples: 6K of event 'cpu-clock' # Event count (approx.): 1744250000 # # Overhead Command Shared Object = Symbol # ........ ............... ....................... ...................= ................. # 8.69% qemu-system-i38 [kernel.kallsyms] [k] xen_hypercall_x= en_version = 2.29% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= ac8 = 2.01% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= ad9 = 1.53% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= 978 = 1.33% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= 989 = 1.02% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= aa4 = 0.93% qemu-system-i38 libc-2.19.so [.] memset = = 0.70% qemu-system-i38 qemu-system-i386 [.] 0x00000000000e2= 814 = 0.69% qemu-system-i38 qemu-system-i386 [.] 0x00000000000e3= 7f4 = 0.67% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= a40 = 0.66% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= adf = 0.60% qemu-system-i38 qemu-system-i386 [.] 0x00000000000ac= ad7 = 0.59% qemu-system-i38 [vdso] [.] __vdso_clock_ge= ttime = 0.59% qemu-system-i38 qemu-system-i386 [.] 0x0000000000342= b88 = 0.57% qemu-system-i38 [vdso] [.] __vdso_gettimeo= fday = 0.52% qemu-system-i38 [kernel.kallsyms] [k] pvclock_clockso= urce_read = 0.49% qemu-system-i38 qemu-system-i386 [.] 0x00000000000a9= e45 = 0.46% qemu-system-i38 [kernel.kallsyms] [k] do_sys_poll = = 0.37% qemu-system-i38 [kernel.kallsyms] [k] hrtimer_init = = 0.36% qemu-system-i38 [kernel.kallsyms] [k] __fget = = 0.34% qemu-system-i38 [kernel.kallsyms] [k] ktime_get_ts To manage notifications about this bug go to: https://bugs.launchpad.net/qemu/+bug/1452904/+subscriptions