On (Tue) 21 Aug 2012 [11:47:16], Rusty Russell wrote:
> On Thu, 9 Aug 2012 15:46:20 +0530, Amit Shah wrote:
> > Hi,
> >
> > On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
> > > Hi All,
> > >
> > > The following patch set provides a low-overhead system for collecting
> > > kernel
> >
On Thu, 9 Aug 2012 15:46:20 +0530, Amit Shah wrote:
> Hi,
>
> On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
> > Hi All,
> >
> > The following patch set provides a low-overhead system for collecting kernel
> > tracing data of guests by a host in a virtualization environment.
>
> So I
Hi,
On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
> Hi All,
>
> The following patch set provides a low-overhead system for collecting kernel
> tracing data of guests by a host in a virtualization environment.
So I just have one minor comment, please post a non-RFC version of the
patc
Hi Amit,
Sorry for the late reply.
(2012/07/27 18:43), Amit Shah wrote:
On (Fri) 27 Jul 2012 [17:55:11], Yoshihiro YUNOMAE wrote:
Hi Amit,
Thank you for commenting on our work.
(2012/07/26 20:35), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
[...]
***Jus
On Wed, Jul 25, 2012 at 8:15 AM, Masami Hiramatsu
wrote:
> (2012/07/25 5:26), Blue Swirl wrote:>
>>> The following patch set provides a low-overhead system for collecting kernel
>>> tracing data of guests by a host in a virtualization environment.
>>>
>>> A guest OS generally shares some devices w
On (Fri) 27 Jul 2012 [17:55:11], Yoshihiro YUNOMAE wrote:
> Hi Amit,
>
> Thank you for commenting on our work.
>
> (2012/07/26 20:35), Amit Shah wrote:
> >On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
>
> [...]
>
> >>
> >>Therefore, we propose a new system "virtio-trace", which uses
Hi Amit,
Thank you for commenting on our work.
(2012/07/26 20:35), Amit Shah wrote:
On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
[...]
Therefore, we propose a new system "virtio-trace", which uses enhanced
virtio-serial and existing ring-buffer of ftrace, for collecting guest
On (Tue) 24 Jul 2012 [11:36:57], Yoshihiro YUNOMAE wrote:
> Hi All,
>
> The following patch set provides a low-overhead system for collecting kernel
> tracing data of guests by a host in a virtualization environment.
>
> A guest OS generally shares some devices with other guests or a host, so
> r
On Wed, Jul 25, 2012 at 10:13 AM, Yoshihiro YUNOMAE
wrote:
> Hi Stefan,
>
>
> (2012/07/24 22:41), Stefan Hajnoczi wrote:
>>
>> On Tue, Jul 24, 2012 at 12:19 PM, Yoshihiro YUNOMAE
>> wrote:
>
> Are you using text formatted ftrace?
>>>
>>> No, currently using raw format, but we'd like to re
Hi Stefan,
(2012/07/24 22:41), Stefan Hajnoczi wrote:
On Tue, Jul 24, 2012 at 12:19 PM, Yoshihiro YUNOMAE
wrote:
Are you using text formatted ftrace?
No, currently using raw format, but we'd like to reformat it in text.
Capturing the info necessary to translate numbers into symbols is one
o
(2012/07/25 5:26), Blue Swirl wrote:>
>> The following patch set provides a low-overhead system for collecting kernel
>> tracing data of guests by a host in a virtualization environment.
>>
>> A guest OS generally shares some devices with other guests or a host, so
>> reasons of any problems occurr
On Tue, Jul 24, 2012 at 2:36 AM, Yoshihiro YUNOMAE
wrote:
> Hi All,
>
> The following patch set provides a low-overhead system for collecting kernel
> tracing data of guests by a host in a virtualization environment.
>
> A guest OS generally shares some devices with other guests or a host, so
> re
On Tue, Jul 24, 2012 at 12:03 PM, Masami Hiramatsu
wrote:
> (2012/07/24 19:02), Stefan Hajnoczi wrote:
>> On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
>> wrote:
>>> The performance of each method is compared as follows:
>>> [1] Native
>>> - only recording trace data to ring-buffer on
On Tue, Jul 24, 2012 at 12:19 PM, Yoshihiro YUNOMAE
wrote:
>>> Are you using text formatted ftrace?
> No, currently using raw format, but we'd like to reformat it in text.
Capturing the info necessary to translate numbers into symbols is one
of the problems of host<->guest tracing so I'm curious
Hi Stefan,
Thank you for commenting on our patch set.
(2012/07/24 20:03), Masami Hiramatsu wrote:
(2012/07/24 19:02), Stefan Hajnoczi wrote:
On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
wrote:
The performance of each method is compared as follows:
[1] Native
- only recording tr
(2012/07/24 19:02), Stefan Hajnoczi wrote:
> On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
> wrote:
>> The performance of each method is compared as follows:
>> [1] Native
>> - only recording trace data to ring-buffer on a guest
>> [2] Virtio-trace
>> - running a trace agent on a
On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
wrote:
> The performance of each method is compared as follows:
> [1] Native
> - only recording trace data to ring-buffer on a guest
> [2] Virtio-trace
> - running a trace agent on a guest
> - a reader on a host opens FIFO using c
(2012/07/24 11:36), Yoshihiro YUNOMAE wrote:
> Therefore, we propose a new system "virtio-trace", which uses enhanced
> virtio-serial and existing ring-buffer of ftrace, for collecting guest kernel
> tracing data. In this system, there are 5 main components:
> (1) Ring-buffer of ftrace in a guest
Hi All,
The following patch set provides a low-overhead system for collecting kernel
tracing data of guests by a host in a virtualization environment.
A guest OS generally shares some devices with other guests or a host, so
reasons of any problems occurring in a guest may be from other guests or
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