From: Stefan Hajnoczi <stefanha@redhat.com>
To: "Dr. David Alan Gilbert (git)" <dgilbert@redhat.com>
Cc: qemu-devel@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v2 1/1] Print PID and time in stderr traces
Date: Fri, 6 Feb 2015 10:29:58 +0000 [thread overview]
Message-ID: <20150206102958.GA28079@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <1421746875-9962-1-git-send-email-dgilbert@redhat.com>
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On Tue, Jan 20, 2015 at 09:41:15AM +0000, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
>
> When debugging migration it's useful to know the PID of
> each trace message so you can figure out if it came from the source
> or the destination.
>
> Printing the time makes it easy to do latency measurements or timings
> between trace points.
>
> Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
>
> v2
> 0 pad usec part
>
> scripts/tracetool/backend/stderr.py | 10 +++++++++-
> 1 file changed, 9 insertions(+), 1 deletion(-)
Thanks, applied to my tracing tree:
https://github.com/stefanha/qemu/commits/tracing
Stefan
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prev parent reply other threads:[~2015-02-06 10:30 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-20 9:41 [Qemu-devel] [PATCH v2 1/1] Print PID and time in stderr traces Dr. David Alan Gilbert (git)
2015-02-05 19:39 ` Dr. David Alan Gilbert
2015-02-06 10:29 ` Stefan Hajnoczi [this message]
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