[PATCH] ARM: trace: Add tracepoint for the Inter Processor Interrupt
rostedt at goodmis.org
Tue Oct 15 19:33:46 EDT 2013
On Tue, 15 Oct 2013 08:26:15 +0200
Daniel Lezcano <daniel.lezcano at linaro.org> wrote:
> Mmh, I have a doubt here about the trace. I can remove the cpumask
> because it is not used but in the other hand, it would be interesting to
> have in the trace the cpumask of the recipient cpus for the IPI.
> Unfortunately, I don't know how to convert this cpumask to a string
> without using the cpumask_scnprintf which imply a more complex print trace.
> Do you have some advices for that ?
What's wrong with recording the cpumask into the trace buffer and then
using cpumask_scnprintf() as output? We can update trace-cmd and
libtraceevent to handle that output too.
More information about the linux-arm-kernel