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Re: [Qemu-devel] [PATCH v7 0/3] Simpletrace v2: Support multiple args, s


From: Stefan Hajnoczi
Subject: Re: [Qemu-devel] [PATCH v7 0/3] Simpletrace v2: Support multiple args, strings.
Date: Wed, 18 Jul 2012 09:51:53 +0100

On Tue, Jul 17, 2012 at 8:51 PM, Harsh Bora <address@hidden> wrote:
> On 07/17/2012 08:53 PM, Stefan Hajnoczi wrote:
>>
>> On Tue, Jul 3, 2012 at 10:20 AM, Harsh Prateek Bora
>> <address@hidden> wrote:
>>>
>>> Existing simpletrace backend allows to trace at max 6 args and does not
>>> support strings. This newer tracelog format gets rid of fixed size
>>> records
>>> and therefore allows to trace variable number of args including strings.
>>>
>>> Sample trace:
>>> v9fs_version 0.000 tag=0xffff id=0x64 msize=0x2000 version=9P2000.L
>>> v9fs_version_return 6.705 tag=0xffff id=0x64 msize=0x2000
>>> version=9P2000.L
>>> v9fs_attach 174.467 tag=0x1 id=0x68 fid=0x0 afid=0xffffffffffffffff
>>> uname=nobody aname=
>>> v9fs_attach_return 4720.454 tag=0x1 id=0x68 type=0xffffffffffffff80
>>> version=0x4f2a4dd0  path=0x220ea6
>>
>>
>> I have successfully tested it with the fix that I posted.  Writing
>> simpletrace.Analyzer Python scripts still works - now with string
>> arguments too :).
>>
>> Besides the last few comments on Patch 2, this looks okay now.
>
>
> Thanks, I have the updated patches ready except for the question asked on
> prev reply. Shall I fold your fix in patch 2 with comments as necessary. Let
> me know if I need to add your s-o-b after merging your fix in patch #2? You
> can update the commit message as you feel appropriate while merging to your
> tree though.

It's a trivial patch, feel free to squash it without noting anything.

Stefan



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