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coresight: pmu: Adding ITRACE property to cs_etm PMU 

Add to the capabilities the ITRACE property so that ITRACE START events
are generated when the PMU is switched on by the core.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Acked-by: Suzuki K Poulose <suzuki.poulose@arm.com>
Tested-by: Leo Yan <leo.yan@linaro.org>
Tested-by: Robert Walker <robert.walker@arm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mathieu Poirier 2019-04-25 13:52:51 -06:00 committed by Greg Kroah-Hartman
parent 263556950f
commit 6fcdba33ab
1 changed files with 2 additions and 1 deletions
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3
drivers/hwtracing/coresight/coresight-etm-perf.c
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@ -566,7 +566,8 @@ static int __init etm_perf_init(void)
{
int ret;
etm_pmu.capabilities = PERF_PMU_CAP_EXCLUSIVE;
etm_pmu.capabilities = (PERF_PMU_CAP_EXCLUSIVE |
PERF_PMU_CAP_ITRACE);
etm_pmu.attr_groups = etm_pmu_attr_groups;
etm_pmu.task_ctx_nr = perf_sw_context;