[PATCH 7/7] perf arm-spe: Don't hard code config attribute

James Clark
2025-12-01T16:42:02Z

Use the config attribute that's published by the driver instead of
hard coding "attr.config".

Signed-off-by: James Clark <james.clark@linaro.org>
---
tools/perf/arch/arm64/util/arm-spe.c | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
index d5ec1408d0ae..6c3dc97fde30 100644
--- a/tools/perf/arch/arm64/util/arm-spe.c
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -256,7 +256,7 @@ static __u64 arm_spe_pmu__sample_period(const struct perf_pmu *arm_spe_pmu)

static void arm_spe_setup_evsel(struct evsel *evsel, struct perf_cpu_map *cpus)
{
- u64 bit;
+ u64 pa_enable_bit;

evsel->core.attr.freq = 0;
evsel->core.attr.sample_period = arm_spe_pmu__sample_period(evsel->pmu);
@@ -288,9 +288,10 @@ static void arm_spe_setup_evsel(struct evsel *evsel, struct perf_cpu_map *cpus)
* inform that the resulting output's SPE samples contain physical addresses
* where applicable.
*/
- bit = perf_pmu__format_bits(evsel->pmu, "pa_enable");
- if (evsel->core.attr.config & bit)
- evsel__set_sample_bit(evsel, PHYS_ADDR);
+
+ if (!evsel__get_config_val(evsel->pmu, evsel, "pa_enable", &pa_enable_bit))
+ if (pa_enable_bit)
+ evsel__set_sample_bit(evsel, PHYS_ADDR);
}

static int arm_spe_setup_aux_buffer(struct record_opts *opts)
@@ -397,6 +398,7 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
struct perf_cpu_map *cpus = evlist->core.user_requested_cpus;
bool discard = false;
int err;
+ u64 discard_bit;

sper->evlist = evlist;

@@ -425,9 +427,8 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
evlist__for_each_entry_safe(evlist, tmp, evsel) {
if (evsel__is_aux_event(evsel)) {
arm_spe_setup_evsel(evsel, cpus);
- if (evsel->core.attr.config &
- perf_pmu__format_bits(evsel->pmu, "discard"))
- discard = true;
+ if (!evsel__get_config_val(evsel->pmu, evsel, "discard", &discard_bit))
+ discard = !!discard_bit;
}
}

--
2.34.1