: libvir-list@redhat.com; Xinghai Yu
Subject: Re: [libvirt] [PATCH 00/13] Add multiple trace backend function
and add new ftrace backend for libvirt
...
If you just want the ability to record a printable formatted string for
probes, then I'd much rather just see us improve our logging code, so
: Re: [libvirt] [PATCH 00/13] Add multiple trace backend function
and add new ftrace backend for libvirt
...
If you just want the ability to record a printable formatted string for
probes, then I'd much rather just see us improve our logging code, so
we can request that the libvirt logging
On 04/08/2014 07:45 PM, yangzy.f...@cn.fujitsu.com wrote:
I am looking forward to any exchange of view of whether
multi-tracer framework(ftrace including) is necessary.
Ping!
Regards
Yang Zhiyong
If you can propose patches that are minimally invasive (no more than ONE
additional
trace backend function
and add new ftrace backend for libvirt
...
If you just want the ability to record a printable formatted string for
probes, then I'd much rather just see us improve our logging code, so
we can request that the libvirt logging system were able to ouput only
log statements
On Mon, Mar 10, 2014 at 08:17:21AM +, yangzy.f...@cn.fujitsu.com wrote:
Backgroud:
The existing trace mechanism in libvirt is dtrace. Although the dtrace
can work, it's not work well enough. Every time we want get information
from the trace point we must write a systemtap script and run it
Hi -
On Tue, Mar 18, 2014 at 05:14:38AM +, yangzy.f...@cn.fujitsu.com wrote:
[...]
(For what it's worth, there are several different ways of executing
systemtap
scripts automatically at startup. There is an initscript.
With the next version, its docs will move into 'man 8
On Mon, Mar 10, 2014 at 08:17:21AM +, yangzy.f...@cn.fujitsu.com wrote:
From: Xinghai Yu yuxing...@cn.fujitsu.com
[...]
That's really unpractical on some occasion, especially on production
server since the systemtap script can't be executed automatically.
[...]
(For what it's worth,
[...]
(For what it's worth, there are several different ways of executing systemtap
scripts automatically at startup. There is an initscript.
With the next version, its docs will move into 'man 8 systemtap', and grows a
new 'onboot' option, to modules load even earlier at initramfs time via
On Mon, Mar 10, 2014 at 08:17:21AM +, yangzy.f...@cn.fujitsu.com wrote:
From: Xinghai Yu yuxing...@cn.fujitsu.com
This patch set will let libvirt to support multiple trace backend function
and add a new 'ftrace' backend at the same time.
Then, libvirt would have 2 trace backend: dtrace,
From: Xinghai Yu yuxing...@cn.fujitsu.com
This patch set will let libvirt to support multiple trace backend function
and add a new 'ftrace' backend at the same time.
Then, libvirt would have 2 trace backend: dtrace, ftrace.They can be used
alone or together.
Patchs 1,2,3,4,5 are used for
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