Re: [Qemu-devel] [PATCH] trace: allow disabling events in events file

[Stefan Hajnoczi]

On Fri, Oct 26, 2012 at 01:46:34PM +0200, Gerd Hoffmann wrote:
> Disable trace events prefixed with a '-'.  Useful
> to enable a group of tracepoints with exceptions,
> like this:
> 
>   usb_xhci_port_*
>   -usb_xhci_port_read
> 
> which will enable all xhci port tracepoints except reads.
> 
> Signed-off-by: Gerd Hoffmann <address@hidden>
> ---
>  trace/control.c |    9 ++++++++-
>  1 files changed, 8 insertions(+), 1 deletions(-)

Sorry for the late reply.  Looks good I will send a patch to update the 
documentation.

Applied to the tracing tree:
http://github.com/stefanha/qemu/commits/tracing

Stefan