[PATCH] ath10k: add tracing for tx ieee80211 header

Rajkumar Manoharan rmanohar at qti.qualcomm.com
Tue Oct 28 22:46:05 PDT 2014

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.


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