[PATCH] ath10k: add tracing for tx ieee80211 header

[Rajkumar Manoharan]

On Tue, Oct 28, 2014 at 05:59:39PM +0100, Johannes Berg wrote:
> On Tue, 2014-10-28 at 22:18 +0530, Rajkumar Manoharan wrote:
> > For packet log, the transmitted frame 802.11 header alone is sufficient.
> > Recording entire packet is also consuming lot of disk space. To
> > optimize, add tracepoints for sending tx-ed 802.11 headers alone.
> 
> FWIW, in iwlwifi I made the data portion (only!) a separate tracing
> subsystem, so that you can do
> 
> trace-cmd record -e iwlwifi
> 
> to get the hdrs, and
> 
> trace-cmd record -e iwlwifi -e iwlwifi_data
> 
> to get the hdrs, and the data, and then I put the two together in
> userspace. That way, "-e iwlwifi" gets most useful stuff, and adding -e
> iwlwifi_data when needed still has no duplication.
> 
> With what you're suggesting, it will be difficult to control tracing to
> do exactly what's needed.
> 
> Anyway, I don't really care, but this just caught my eye.
> 
Thanks for your feedback. Will send updated patch.

-Rajkumar