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From: Blue Swirl <blauwirbel@gmail.com>
Date: Mon, 30 Aug 2010 19:50:21 +0000
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Subject: [Qemu-devel] Re: [PATCH 01/14] trace: Add trace-events file for
	declaring trace events
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To: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Cc: Anthony Liguori <aliguori@us.ibm.com>, qemu-devel@nongnu.org, Prerna Saxena <prerna@linux.vnet.ibm.com>

On Mon, Aug 30, 2010 at 1:27 PM, Stefan Hajnoczi
<stefanha@linux.vnet.ibm.com> wrote:
> This patch introduces the trace-events file where trace events can be
> declared like so:
>
> qemu_malloc(size_t size) "size %zu"
> qemu_free(void *ptr) "ptr %p"
>
> These trace event declarations are processed by a new tool called
> tracetool to generate code for the trace events. =C2=A0Trace event
> declarations are independent of the backend tracing system (LTTng User
> Space Tracing, ftrace markers, DTrace).

I think the tool does not work if 'sh' is not 'bash'. For example, on
OpenBSD I got:

config-host.mak is out-of-date, running configure

Error: invalid trace backend
Please choose a supported trace backend.

  GEN   trace.h
/src/qemu/tracetool[176]: no closing quote

This shows the problem:
sh -x ../tracetool --nop --check-backend
+ set -f
../tracetool[176]: no closing quote