The following commit has been merged into the perf/urgent branch of tip:
Commit-ID: cde643ff75bc20c538dfae787ca3b587bab16b50 Gitweb: https://git.kernel.org/tip/cde643ff75bc20c538dfae787ca3b587bab16b50 Author: Kan Liang kan.liang@linux.intel.com AuthorDate: Thu, 18 Aug 2022 11:44:29 -07:00 Committer: Peter Zijlstra peterz@infradead.org CommitterDate: Fri, 19 Aug 2022 19:47:31 +02:00
perf/x86/intel: Fix pebs event constraints for ADL
According to the latest event list, the LOAD_LATENCY PEBS event only works on the GP counter 0 and 1 for ADL and RPL.
Update the pebs event constraints table.
Fixes: f83d2f91d259 ("perf/x86/intel: Add Alder Lake Hybrid support") Reported-by: Ammy Yi ammy.yi@intel.com Signed-off-by: Kan Liang kan.liang@linux.intel.com Signed-off-by: Peter Zijlstra (Intel) peterz@infradead.org Cc: stable@vger.kernel.org Link: https://lkml.kernel.org/r/20220818184429.2355857-1-kan.liang@linux.intel.com --- arch/x86/events/intel/ds.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/x86/events/intel/ds.c b/arch/x86/events/intel/ds.c index e5b5874..de1f55d 100644 --- a/arch/x86/events/intel/ds.c +++ b/arch/x86/events/intel/ds.c @@ -830,7 +830,7 @@ struct event_constraint intel_glm_pebs_event_constraints[] = {
struct event_constraint intel_grt_pebs_event_constraints[] = { /* Allow all events as PEBS with no flags */ - INTEL_HYBRID_LAT_CONSTRAINT(0x5d0, 0xf), + INTEL_HYBRID_LAT_CONSTRAINT(0x5d0, 0x3), INTEL_HYBRID_LAT_CONSTRAINT(0x6d0, 0xf), EVENT_CONSTRAINT_END };