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Re: [Qemu-devel] [PATCH v9 0/3] Simpletrace v2: Support multiple args, s

From: Harsh Bora
Subject: Re: [Qemu-devel] [PATCH v9 0/3] Simpletrace v2: Support multiple args, strings.
Date: Thu, 19 Jul 2012 17:24:21 +0530
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1

On 07/19/2012 05:22 PM, Stefan Hajnoczi wrote:
On Thu, Jul 19, 2012 at 12:07 PM, 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

- Renamed TraceRecordHeader to TraceLogHeader as appropriate
- Some more code cleanups

We discussed this on IRC.  v8 is already in my tracing tree and I have
sent a pull request.

These code cleanups are nice but can be taken in a follow-up patch.

Sure, will do.

Thanks once again,


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