https://bugzilla.kernel.org/show_bug.cgi?id=42755
--- Comment #35 from Rosen sandik...@yandex.ru 2012-02-26 09:53:22 ---
No changes with git version of qemu-kvm
Only see when work guest cpu usage is out of range, about 120% - 150%
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--- Comment #31 from Rosen sandik...@yandex.ru 2012-02-21 08:55:31 ---
any responses ?
with/without ksm no change.
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--- Comment #32 from Gleb g...@redhat.com 2012-02-21 09:10:37 ---
Can you run perf without ksm? In your previous perf invocation ksm was at the
top, so lets see what is it there now.
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Kurk k...@shiftmail.org changed:
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--- Comment #34 from Rosen sandik...@yandex.ru 2012-02-21 12:45:15 ---
(In reply to comment #33)
Supposing it was working good with an old version of kvm:
Why don't you just do a git bisect? qemu-kvm is very quick to compile and
install.
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--- Comment #30 from Avi Kivity a...@redhat.com 2012-02-15 09:28:12 ---
Disable ksm, and build with debug information so we get useful information
instead of hex addresses.
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--- Comment #28 from Avi Kivity a...@redhat.com 2012-02-14 14:47:38 ---
(In reply to comment #27)
and there soon will be video capture with 'perf top'
http://vbox7.com/play:199e9ede30
Run it while the guest is also running.
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--- Comment #29 from Rosen sandik...@yandex.ru 2012-02-15 07:49:35 ---
(In reply to comment #28)
(In reply to comment #27)
and there soon will be video capture with 'perf top'
http://vbox7.com/play:199e9ede30
Run it while the guest
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--- Comment #21 from Gleb g...@redhat.com 2012-02-13 08:53:28 ---
Can you please compile trace-cmd from its git [1] (do make all_cmd
install_cmd; install part is important) and try getting trace with it? If this
will not work I will guide you
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--- Comment #22 from Rosen sandik...@yandex.ru 2012-02-13 13:19:29 ---
Created an attachment (id=72363)
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trace-cmd report
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--- Comment #23 from Gleb g...@redhat.com 2012-02-13 13:30:01 ---
What guest did during this trace? Can you provide info pci monitor output
pls?
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--- Comment #25 from Rosen sandik...@yandex.ru 2012-02-13 14:14:17 ---
(In reply to comment #23)
What guest did during this trace? Can you provide info pci monitor output
pls?
can't see full output from this command
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--- Comment #26 from Rosen sandik...@yandex.ru 2012-02-13 14:24:36 ---
Created an attachment (id=72365)
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info pci
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--- Comment #27 from Rosen sandik...@yandex.ru 2012-02-13 14:37:36 ---
and there soon will be video capture with 'perf top'
http://vbox7.com/play:199e9ede30
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--- Comment #5
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--- Comment #6 from Rosen sandik...@yandex.ru 2012-02-12 09:52:13 ---
@Gleb
i tryed many variants
cirrus std vmware vga-s no diferences.
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--- Comment #7 from Rosen sandik...@yandex.ru 2012-02-12 10:10:14 ---
@Gleb
trace-cmd cannot install
*
** No docbook.xsl is installed **
** Can't make man pages**
*
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--- Comment #8 from Gleb g...@redhat.com 2012-02-12 10:13:24 ---
(In reply to comment #7)
@Gleb
trace-cmd cannot install
*
** No docbook.xsl is installed **
** Can't make man pages**
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--- Comment #9 from Rosen sandik...@yandex.ru 2012-02-12 10:16:07 ---
Hm ..
trace-cmd record -b 2 -e kvm
trace-cmd: No such file or directory
opening '/sys/kernel/debug/tracing/tracing_on'
this directory doesn't exist.
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--- Comment #10 from Rosen sandik...@yandex.ru 2012-02-12 10:16:44 ---
(In reply to comment #8)
(In reply to comment #7)
@Gleb
trace-cmd cannot install
*
** No docbook.xsl is installed **
**
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--- Comment #11 from Gleb g...@redhat.com 2012-02-12 10:18:48 ---
(In reply to comment #9)
Hm ..
trace-cmd record -b 2 -e kvm
trace-cmd: No such file or directory
opening '/sys/kernel/debug/tracing/tracing_on'
this directory
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--- Comment #12 from Rosen sandik...@yandex.ru 2012-02-12 10:21:36 ---
(In reply to comment #11)
(In reply to comment #9)
Hm ..
trace-cmd record -b 2 -e kvm
trace-cmd: No such file or directory
opening
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--- Comment #13 from Gleb g...@redhat.com 2012-02-12 10:30:30 ---
(In reply to comment #12)
Allready mounted. Bu this directory doesn't exist, i have those dirs:
/sys/kernel/debug
acpi bdi dri hid ieee80211 kvm mce suspend_stats
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--- Comment #14 from Rosen sandik...@yandex.ru 2012-02-12 10:40:56 ---
(In reply to comment #13)
(In reply to comment #12)
Allready mounted. Bu this directory doesn't exist, i have those dirs:
/sys/kernel/debug
acpi bdi dri hid
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--- Comment #15 from Rosen sandik...@yandex.ru 2012-02-12 10:41:31 ---
(In reply to comment #14)
(In reply to comment #13)
(In reply to comment #12)
Allready mounted. Bu this directory doesn't exist, i have those dirs:
https://bugzilla.kernel.org/show_bug.cgi?id=42755
--- Comment #16 from Gleb g...@redhat.com 2012-02-12 10:49:04 ---
(In reply to comment #15)
zgrep TRACING /proc/config.gz
CONFIG_TRACING_SUPPORT=y
You need CONFIG_TRACING/CONFIG_FTRACE and others.
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--- Comment #17 from Rosen sandik...@yandex.ru 2012-02-12 14:49:41 ---
hello again!
roko__@ArchXFCE64(16:47:28-12-02-12)( /mnt/home/roko__-backup/kvm pts/6 )#
trace-cmd report
version = 6
cound not load plugin
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--- Comment #18 from Rosen sandik...@yandex.ru 2012-02-12 14:55:25 ---
Created an attachment (id=72360)
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sudo trace-cmd record -b 2 -e kvm
trace.dat from
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--- Comment #19 from Gleb g...@redhat.com 2012-02-12 15:09:04 ---
(In reply to comment #17)
hello again!
roko__@ArchXFCE64(16:47:28-12-02-12)( /mnt/home/roko__-backup/kvm pts/6 )#
trace-cmd report
version = 6
cound not load plugin
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--- Comment #20 from Rosen sandik...@yandex.ru 2012-02-12 16:14:21 ---
i compilled it from AUR, maybe package is broken
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--- Comment #4 from Rosen sandik...@yandex.ru 2012-02-11 10:50:46 ---
Still no response there ..
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--- Comment #1 from Rosen sandik...@yandex.ru 2012-02-10 08:06:25 ---
in kvm guest this speed are about 2MB/s and is slow like a hell. With it
booting for about 15 minutes.
Same guest machine boot for about 4-7 seconds on virtualbox/vmware
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--- Comment #2 from Michael Tokarev m...@tls.msk.ru 2012-02-10 09:18:35 ---
This is very unlikely to do with the kernel. Qemu (which you're using to run
your guest -- kvm is just in-kernel module) will emulate whole machine
including CPU in
https://bugzilla.kernel.org/show_bug.cgi?id=42755
--- Comment #3 from Rosen sandik...@yandex.ru 2012-02-10 09:36:35 ---
cmdline:
sudo kvm -enable-kvm -cpu 'host' -smp '2,cores=2,threads=2,sockets=1' -m 512M
-vga vmware -usbdevice tablet -soundhw es1370 -drive
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