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perf/x86/intel/uncore: Fix IIO event constraints for Skylake Server
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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: cd34cd9 ("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
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Alexander Antonov authored and Peter Zijlstra committed Nov 17, 2021
1 parent e324234 commit 3866ae3
Showing 1 changed file with 1 addition and 0 deletions.
1 change: 1 addition & 0 deletions arch/x86/events/intel/uncore_snbep.c
Original file line number Diff line number Diff line change
Expand Up @@ -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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