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Subject[tip: perf/urgent] perf/x86/intel/uncore: Fix IIO event constraints for Skylake Server
The following commit has been merged into the perf/urgent branch of tip:

Commit-ID: 3866ae319c846a612109c008f43cba80b8c15e86
Gitweb: https://git.kernel.org/tip/3866ae319c846a612109c008f43cba80b8c15e86
Author: Alexander Antonov <alexander.antonov@linux.intel.com>
AuthorDate: Mon, 15 Nov 2021 12:03:33 +03:00
Committer: Peter Zijlstra <peterz@infradead.org>
CommitterDate: Wed, 17 Nov 2021 14:48:43 +01:00

perf/x86/intel/uncore: Fix IIO event constraints for Skylake Server

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")
Signed-off-by: Alexander Antonov <alexander.antonov@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Kan Liang <kan.liang@linux.intel.com>
Link: https://lore.kernel.org/r/20211115090334.3789-3-alexander.antonov@linux.intel.com
---
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 e5ee6bb..9aba4ef 100644
--- a/arch/x86/events/intel/uncore_snbep.c
+++ b/arch/x86/events/intel/uncore_snbep.c
@@ -3678,6 +3678,7 @@ 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
};

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