https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #22 from Roger Pau Monné ---
Hello,
I don't have much time to look into this right now, could you try to create a
flamegraph [0] of this workload, this way we might be able to identify the
bottleneck(s). If possible you should
On Mon, Feb 06, 2017 at 01:54:28PM +, Liuyingdong wrote:
> Hello Roger,
> I want to know what about these patch, Please let me know if you have
> any questions.
> If you think these patch are fine, I want to your checking-in plan.
> Thanks!
Hello,
Which patches should I look at
Hi Roger,
I am so sorry and please review tne below URL:
https://lists.freebsd.org/pipermail/freebsd-xen/2017-February/002957.html
发件人:freebsd xen
收件人:刘迎冬
抄送:freebsd-xen@freebsd.org,索奔,赵军,王林凯,储召松,王春风,高晓东
时间:2017-02-07 18:44:16
主题:Re: 答复: [PATCH]netfront: need release all resources after a
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #23 from rai...@ultra-secure.de ---
Which event specifier should I use?
I can't even run the sample:
(freebsd11 ) 0 # pmcstat –S RESOURCE_STALLS.ANY -O out.pmcstat sleep 10
pmcstat: [options] [commandline]
Measure proc
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #25 from Roger Pau Monné ---
IIRC this was working fine last time I've tried. Have you loaded the pmc module
(kldload pmc), and which CPU are you using? Note that you also need to enable
the PMU support in Xen [0] by passing vp
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #24 from rai...@ultra-secure.de ---
ok,
(freebsd11 ) 64 # pmccontrol -L
SOFT
CLOCK.PROF
CLOCK.HARD
CLOCK.STAT
LOCK.FAILED
PAGE_FAULT.ALL
PAGE_FAULT.READ
PAGE_FAULT.WRITE
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #26 from rai...@ultra-secure.de ---
Created attachment 179716
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=179716&action=edit
flamegraph dtrace
This is running the example on Brendan's page with dtrace.
While the V
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #27 from rai...@ultra-secure.de ---
(In reply to Roger Pau Monné from comment #25)
(freebsd11 ) 0 # kldload pmc
kldload: can't load pmc: module already loaded or in kernel
(freebsd11 ) 1 # kldstat
Id Refs AddressSi
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #28 from Roger Pau Monné ---
(In reply to rainer from comment #26)
Thanks!
This shows that the guest is mostly inactive (low CPU load), is this correct?
I'm attaching a patch to add some debug to blkfront, please be aware tha
https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=212681
--- Comment #29 from Roger Pau Monné ---
Created attachment 179717
--> https://bugs.freebsd.org/bugzilla/attachment.cgi?id=179717&action=edit
Initial debug patch
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