On Thu, 9 Aug 2012 15:46:20 +0530, Amit Shah amit.s...@redhat.com 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.
On (Tue) 21 Aug 2012 [11:47:16], Rusty Russell wrote:
On Thu, 9 Aug 2012 15:46:20 +0530, Amit Shah amit.s...@redhat.com 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
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
patch.
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:
[...]
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 (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 enhanced
On Wed, Jul 25, 2012 at 8:15 AM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com 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
On Wed, Jul 25, 2012 at 10:13 AM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com wrote:
Hi Stefan,
(2012/07/24 22:41), Stefan Hajnoczi wrote:
On Tue, Jul 24, 2012 at 12:19 PM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com wrote:
Are you using text formatted ftrace?
No,
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
reasons
(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 occurring in a
Hi Stefan,
(2012/07/24 22:41), Stefan Hajnoczi wrote:
On Tue, Jul 24, 2012 at 12:19 PM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com 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
On Tue, Jul 24, 2012 at 2:36 AM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com 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
On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com 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
(2012/07/24 19:02), Stefan Hajnoczi wrote:
On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com 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
-
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
yoshihiro.yunomae...@hitachi.com wrote:
The performance of each method is compared as follows:
[1]
On Tue, Jul 24, 2012 at 12:19 PM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com 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
On Tue, Jul 24, 2012 at 12:03 PM, Masami Hiramatsu
masami.hiramatsu...@hitachi.com wrote:
(2012/07/24 19:02), Stefan Hajnoczi wrote:
On Tue, Jul 24, 2012 at 3:36 AM, Yoshihiro YUNOMAE
yoshihiro.yunomae...@hitachi.com wrote:
The performance of each method is compared as follows:
[1] Native
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
(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
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