[PATCH 2/3] Fix IIO event constraints for Skylake Server

From: alexander . antonov
Date: Tue Sep 14 2021 - 13:56:59 EST


From: Alexander Antonov <alexander.antonov@xxxxxxxxxxxxxxx>

According to the latest uncore document, COMP_BUF_OCCUPANCY (0xd5) event
can be collected on 2-3 counters. Update uncore IIO event constraints for
Skylake Server.

Fixes: cd34cd97b7b4 ("perf/x86/intel/uncore: Add Skylake server uncore support")
Reviewed-by: Kan Liang <kan.liang@xxxxxxxxxxxxxxx>
Signed-off-by: Alexander Antonov <alexander.antonov@xxxxxxxxxxxxxxx>
---
arch/x86/events/intel/uncore_snbep.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c
index 9cc65a4194ce..4aa675a8a8eb 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -3677,6 +3677,7 @@ static struct event_constraint skx_uncore_iio_constraints[] = {
UNCORE_EVENT_CONSTRAINT(0xc0, 0xc),
UNCORE_EVENT_CONSTRAINT(0xc5, 0xc),
UNCORE_EVENT_CONSTRAINT(0xd4, 0xc),
+ UNCORE_EVENT_CONSTRAINT(0xd5, 0xc),
EVENT_CONSTRAINT_END
};

--
2.21.3