Messages in this thread Patch in this message | | | From | Xu YiPing <> | Subject | [PATCH v2] arm64: perf: remove unsupported events for Cortex-A73 | Date | Wed, 15 Nov 2017 15:39:26 +0800 |
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bus access read/write events are not supported in A73, based on the Cortex-A73 TRM r0p2, section 11.9 Events (pages 11-457 to 11-460).
Fixes: 5561b6c5e981 "arm64: perf: add support for Cortex-A73" Signed-off-by: Xu YiPing <xuyiping@hisilicon.com> --- arch/arm64/kernel/perf_event.c | 6 ------ 1 file changed, 6 deletions(-)
diff --git a/arch/arm64/kernel/perf_event.c b/arch/arm64/kernel/perf_event.c index 9eaef51..3affca3 100644 --- a/arch/arm64/kernel/perf_event.c +++ b/arch/arm64/kernel/perf_event.c @@ -262,12 +262,6 @@ static const unsigned armv8_a73_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] [C(L1D)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_CACHE_RD, [C(L1D)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_L1D_CACHE_WR, - - [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, - [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, - - [C(NODE)][C(OP_READ)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_RD, - [C(NODE)][C(OP_WRITE)][C(RESULT_ACCESS)] = ARMV8_IMPDEF_PERFCTR_BUS_ACCESS_WR, }; static const unsigned armv8_thunder_perf_cache_map[PERF_COUNT_HW_CACHE_MAX] -- 2.7.4
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