perf/x86/intel/uncore: Fix Intel SPR M2PCIE event constraints
authorKan Liang <kan.liang@linux.intel.com>
Thu, 26 Aug 2021 15:32:42 +0000 (08:32 -0700)
committerPeter Zijlstra <peterz@infradead.org>
Tue, 31 Aug 2021 11:59:37 +0000 (13:59 +0200)
Similar to the ICX M2PCIE  events, some of the SPR M2PCIE events also
have constraints. Add the constraints for SPR M2PCIE.

Fixes: f85ef898f884 ("perf/x86/intel/uncore: Add Sapphire Rapids server M2PCIe support")
Signed-off-by: Kan Liang <kan.liang@linux.intel.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lkml.kernel.org/r/1629991963-102621-7-git-send-email-kan.liang@linux.intel.com
arch/x86/events/intel/uncore_snbep.c

index 2d75d21..cd53057 100644 (file)
@@ -5690,9 +5690,16 @@ static struct intel_uncore_type spr_uncore_irp = {
 
 };
 
+static struct event_constraint spr_uncore_m2pcie_constraints[] = {
+       UNCORE_EVENT_CONSTRAINT(0x14, 0x3),
+       UNCORE_EVENT_CONSTRAINT(0x2d, 0x3),
+       EVENT_CONSTRAINT_END
+};
+
 static struct intel_uncore_type spr_uncore_m2pcie = {
        SPR_UNCORE_COMMON_FORMAT(),
        .name                   = "m2pcie",
+       .constraints            = spr_uncore_m2pcie_constraints,
 };
 
 static struct intel_uncore_type spr_uncore_pcu = {