From: Paolo Bonzini <pbonzini@redhat.com>
To: Zhang Haoyu <zhanghy@sangfor.com>, kvm <kvm@vger.kernel.org>
Cc: Alex Williamson <alex.williamson@redhat.com>,
"Zhang, Yang Z" <yang.z.zhang@intel.com>,
"Michael S.Tsirkin" <mst@redhat.com>,
Gleb Natapov <gleb@cloudius-systems.com>
Subject: Re: [question] lots of interrupts injected to vm when pressing some key w/o releasing
Date: Mon, 24 Nov 2014 13:25:11 +0100 [thread overview]
Message-ID: <547323A7.8050104@redhat.com> (raw)
In-Reply-To: <201411242017440822890@sangfor.com>
On 24/11/2014 13:17, Zhang Haoyu wrote:
>> Hi all,
>>
>> If I press the one of "Insert/Delete/Home/End/PageUp/PageDown/UpArrow/
>> DownArrow/LeftArrow/RightArrow" key w/o releasing, then lots of interrupts
>> will be injected to vm(win7/win2008), about 8000/s, the system become very slow,
>> bringing very bad experience. But the other keys are okay.
>
> Sorry for wrong description, the interrupt rate is normal,
> but huge numbers of vmexit induced by PIO were produced.
This is expected when running Windows without paravirtualized time
counter (-cpu ...,hv_time).
Paolo
next prev parent reply other threads:[~2014-11-24 12:25 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-11-20 2:20 [question] lots of interrupts injected to vm when pressing some key w/o releasing Zhang Haoyu
2014-11-20 6:19 ` Paolo Bonzini
2014-11-20 6:59 ` [question] lots of interrupts injected to vm when pressing somekey " Zhang Haoyu
2014-11-20 7:06 ` Gleb Natapov
2014-11-24 8:58 ` [question] lots of interrupts injected to vm when pressingsomekey " Zhang Haoyu
[not found] ` <A9667DDFB95DB7438FA9D7D576C3D87E0ABEF25B@SHSMSX104.ccr.corp.intel.com>
2014-11-21 22:31 ` [question] lots of interrupts injected to vm when pressing some key " Paolo Bonzini
[not found] ` <A9667DDFB95DB7438FA9D7D576C3D87E0ABF0FE3@SHSMSX104.ccr.corp.intel.com>
2014-11-25 9:49 ` Paolo Bonzini
[not found] ` <A9667DDFB95DB7438FA9D7D576C3D87E0ABF396A@SHSMSX104.ccr.corp.intel.com>
2014-12-03 15:42 ` Paolo Bonzini
2014-12-15 9:39 ` Zhang Haoyu
2014-12-15 9:40 ` Paolo Bonzini
2014-11-24 12:17 ` Zhang Haoyu
2014-11-24 12:25 ` Paolo Bonzini [this message]
2014-11-25 1:54 ` [question] lots of interrupts injected to vm when pressing somekey " Zhang Haoyu
2014-11-25 7:02 ` Paolo Bonzini
2014-11-25 11:20 ` Zhang Haoyu
2014-11-25 13:52 ` Paolo Bonzini
[not found] ` <201411261511537876936@sangfor.com>
[not found] ` <A9667DDFB95DB7438FA9D7D576C3D87E0ABF2A95@SHSMSX104.ccr.corp.intel.com>
2014-11-27 7:20 ` [question] lots of interrupts injected to vm when pressing some key " Zhang Haoyu
[not found] ` <A9667DDFB95DB7438FA9D7D576C3D87E0ABF2C24@SHSMSX104.ccr.corp.intel.com>
2014-11-27 8:54 ` Zhang Haoyu
2014-11-28 8:27 ` Wanpeng Li
2014-11-28 9:44 ` Zhang Haoyu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=547323A7.8050104@redhat.com \
--to=pbonzini@redhat.com \
--cc=alex.williamson@redhat.com \
--cc=gleb@cloudius-systems.com \
--cc=kvm@vger.kernel.org \
--cc=mst@redhat.com \
--cc=yang.z.zhang@intel.com \
--cc=zhanghy@sangfor.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.