[PATCH 0/3] drivers: coresight: Adds return stack option handling.

[Mathieu Poirier]

On 11 July 2017 at 05:25, Mike Leach <mike.leach at linaro.org> wrote:
> Trace return stack is a PTM and ETMv4 programmable option to reduce the
> amount of trace genrated by omitting addresses from the trace stream
> and inferring them from a local stack of return address values saved when
> branch and link instructions are traced.
>
> Adds 'retstack' as a command line option to cs_etm event in perf.
> Adds support to program PTM / ETMv4 hardware to use feature.
>
> Mike Leach (3):
>   coresight: pmu:  Adds return stack option to perf coresight pmu
>   coresight: ptm: Adds trace return stack option programming for PTM.
>   coresight: etm4x: Adds trace return stack option programming for
>     ETMv4.
>
>  drivers/hwtracing/coresight/coresight-etm-perf.c |  2 ++
>  drivers/hwtracing/coresight/coresight-etm.h      |  1 +
>  drivers/hwtracing/coresight/coresight-etm3x.c    | 18 +++++++++++++++---
>  drivers/hwtracing/coresight/coresight-etm4x.c    |  4 ++++
>  include/linux/coresight-pmu.h                    |  1 +
>  tools/include/linux/coresight-pmu.h              |  1 +
>  6 files changed, 24 insertions(+), 3 deletions(-)

I have applied this set.

Thanks,
Mathieu

>
> --
> 2.7.4
>