[PATCH v1 1/9] perf: arm_spe: Introduce 'lds' capacity
From: Leo Yan <leo.yan@arm.com>
Date: 2024-08-27 16:44:36
Also in:
linux-perf-users, lkml
Subsystem:
arm pmu profiling and debugging, the rest · Maintainers:
Will Deacon, Mark Rutland, Linus Torvalds
This commit adds a new entry 'lds' in the capacity folder. 'lds' stands for "loaded data source". When its value is 1, it indicates the data source implemented, and data source packets will be recorded in the trace data. Signed-off-by: Leo Yan <leo.yan@arm.com> --- drivers/perf/arm_spe_pmu.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/perf/arm_spe_pmu.c b/drivers/perf/arm_spe_pmu.c
index 9100d82bfabc..81c1e7627721 100644
--- a/drivers/perf/arm_spe_pmu.c
+++ b/drivers/perf/arm_spe_pmu.c@@ -110,6 +110,7 @@ enum arm_spe_pmu_buf_fault_action { /* This sysfs gunk was really good fun to write. */ enum arm_spe_pmu_capabilities { SPE_PMU_CAP_ARCH_INST = 0, + SPE_PMU_CAP_LDS, SPE_PMU_CAP_ERND, SPE_PMU_CAP_FEAT_MAX, SPE_PMU_CAP_CNT_SZ = SPE_PMU_CAP_FEAT_MAX,
@@ -118,6 +119,7 @@ enum arm_spe_pmu_capabilities { static int arm_spe_pmu_feat_caps[SPE_PMU_CAP_FEAT_MAX] = { [SPE_PMU_CAP_ARCH_INST] = SPE_PMU_FEAT_ARCH_INST, + [SPE_PMU_CAP_LDS] = SPE_PMU_FEAT_LDS, [SPE_PMU_CAP_ERND] = SPE_PMU_FEAT_ERND, };
@@ -160,6 +162,7 @@ static ssize_t arm_spe_pmu_cap_show(struct device *dev, static struct attribute *arm_spe_pmu_cap_attr[] = { SPE_CAP_EXT_ATTR_ENTRY(arch_inst, SPE_PMU_CAP_ARCH_INST), + SPE_CAP_EXT_ATTR_ENTRY(lds, SPE_PMU_CAP_LDS), SPE_CAP_EXT_ATTR_ENTRY(ernd, SPE_PMU_CAP_ERND), SPE_CAP_EXT_ATTR_ENTRY(count_size, SPE_PMU_CAP_CNT_SZ), SPE_CAP_EXT_ATTR_ENTRY(min_interval, SPE_PMU_CAP_MIN_IVAL),
--
2.34.1