Re: event filtering with trace-cmd

[Arend van Spriel]

On 06/12/2013 07:16 PM, Steven Rostedt wrote:
> On Wed, 2013-06-12 at 12:22 -0400, Steven Rostedt wrote:
>
> > > # sudo trace-cmd record -e brcmfmac:brcmf_dbg -f 'level & 0x40000'
> > > disable all
> > > enable brcmfmac:brcmf_dbg
> > > path = /sys/kernel/debug/tracing/events/brcmfmac/brcmf_dbg/enable
> > > (level & 0x40000)
> > > ^
> > > parse_error: Invalid operator
> >
> > The record -f command passes the filter into the kernel
> > file /sys/kerne/debug/tracing/events/brcmfmac/brcmf_dbg/filter, and the
> > error is actually coming from the kernel itself. Looking at the code, we
> > do not currently accept binary operations. Although, it shouldn't be too
> > hard to add. I may go and implement it for 3.11.
>
> Here, can you apply this patch and see if it does what you expect?

Hi Steven,

That patch does exactly what I expect. Thanks.

Regards,
Arend

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/