Messages in this thread Patch in this message | | | From | Vadim Shakirov <> | Subject | [PATCH v2,RESEND 1/2] drivers: perf: added capabilities for legacy PMU | Date | Tue, 27 Feb 2024 20:00:01 +0300 |
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Added the PERF_PMU_CAP_NO_INTERRUPT flag because the legacy pmu driver does not provide sampling capabilities
Added the PERF_PMU_CAP_NO_EXCLUDE flag because the legacy pmu driver does not provide the ability to disable counter incrementation in different privilege modes
Suggested-by: Atish Patra <atishp@rivosinc.com> Signed-off-by: Vadim Shakirov <vadim.shakirov@syntacore.com> --- drivers/perf/riscv_pmu_legacy.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/perf/riscv_pmu_legacy.c b/drivers/perf/riscv_pmu_legacy.c index 79fdd667922e..a85fc9a15f03 100644 --- a/drivers/perf/riscv_pmu_legacy.c +++ b/drivers/perf/riscv_pmu_legacy.c @@ -117,6 +117,8 @@ static void pmu_legacy_init(struct riscv_pmu *pmu) pmu->event_mapped = pmu_legacy_event_mapped; pmu->event_unmapped = pmu_legacy_event_unmapped; pmu->csr_index = pmu_legacy_csr_index; + pmu->pmu.capabilities |= PERF_PMU_CAP_NO_INTERRUPT; + pmu->pmu.capabilities |= PERF_PMU_CAP_NO_EXCLUDE; perf_pmu_register(&pmu->pmu, "cpu", PERF_TYPE_RAW); } -- 2.34.1
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