| Message ID | 1510731566-22016-1-git-send-email-xuyiping@hisilicon.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
On Wed, Nov 15, 2017 at 03:39:26PM +0800, Xu YiPing wrote: > 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(-) Julien -- can I have your ack on this, please? Will
On 15/11/17 17:52, Will Deacon wrote: > On Wed, Nov 15, 2017 at 03:39:26PM +0800, Xu YiPing wrote: >> 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(-) > > Julien -- can I have your ack on this, please? Yes, of course. Acked-by: Julien Thierry <julien.thierry@arm.com> > > Will >
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]
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(-)