[PATCH v1 2/6] perf auxtrace arm: Set the 'auxtrace' flag for AUX events

Leo Yan leo.yan at arm.com
Sun Jul 21 13:21:09 PDT 2024


Originally, the 'auxtrace' flag in the PMU event is used for AUX area
sampling. It indicates a PMU event is for AUX tracing.

Set this flag for AUX trace events on Arm.

Signed-off-by: Leo Yan <leo.yan at arm.com>
---
 tools/perf/arch/arm/util/pmu.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
index 1c9541d01722..b7fa1245e242 100644
--- a/tools/perf/arch/arm/util/pmu.c
+++ b/tools/perf/arch/arm/util/pmu.c
@@ -25,6 +25,7 @@ void perf_pmu__arch_init(struct perf_pmu *pmu)
 		/* add ETM default config here */
 		pmu->selectable = true;
 		pmu->perf_event_attr_init_default = cs_etm_get_default_config;
+		pmu->auxtrace = true;
 #if defined(__aarch64__)
 	} else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
 		pmu->selectable = true;
@@ -32,8 +33,10 @@ void perf_pmu__arch_init(struct perf_pmu *pmu)
 		pmu->perf_event_attr_init_default = arm_spe_pmu_default_config;
 		if (strstarts(pmu->name, "arm_spe_"))
 			pmu->mem_events = perf_mem_events_arm;
+		pmu->auxtrace = true;
 	} else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
 		pmu->selectable = true;
+		pmu->auxtrace = true;
 #endif
 	}
 #endif
-- 
2.34.1




More information about the linux-arm-kernel mailing list