nhu/kernel_a52xq
Watch
1
Fork
You've already forked kernel_a52xq
 0
mirror of https://github.com/a52xq-dev/kernel.git synced 2026-10-18 21:58:11 +07:00
Code Issues Projects Releases Wiki Activity

coresight: pmu: Adds return stack option to perf coresight pmu

Browse source 
Return stack is a programmable option on some ETM and PTM hardware.
Adds the option flags to enable this from the perf event command line.

Signed-off-by: Mike Leach <mike.leach@linaro.org>
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mike Leach 2017-08-02 10:22:01 -06:00 • committed by Greg Kroah-Hartman
commit b97971bee5
1 changed files with 4 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

1
tools/include/linux/coresight-pmu.h
View file

@ -24,6 +24,7 @@
/* ETMv3.5/PTM's ETMCR config bit */
#define ETM_OPT_CYCACC 12
#define ETM_OPT_TS 28
#define ETM_OPT_RETSTK 29
static inline int coresight_get_trace_id(int cpu)
{