[kvm-unit-tests patch v3 6/8] x86/pmu: Expand "llc references" upper limit for broader compatibility

Dapeng Mi
2025-09-03T06:47:41Z

From: dongsheng <dongsheng.x.zhang@intel.com>

Increase the upper limit of the "llc references" test to accommodate
results observed on additional Intel CPU models, including CWF and
SRF.
These CPUs exhibited higher reference counts that previously caused
the test to fail.

Signed-off-by: dongsheng <dongsheng.x.zhang@intel.com>
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Yi Lai <yi1.lai@intel.com>
---
x86/pmu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/x86/pmu.c b/x86/pmu.c
index 6bf6eee3..49d25f68 100644
--- a/x86/pmu.c
+++ b/x86/pmu.c
@@ -116,7 +116,7 @@ struct pmu_event {
{"core cycles", 0x003c, 1*N, 50*N},
{"instructions", 0x00c0, 10*N, 10.2*N},
{"ref cycles", 0x013c, 1*N, 30*N},
- {"llc references", 0x4f2e, 1, 2*N},
+ {"llc references", 0x4f2e, 1, 2.5*N},
{"llc misses", 0x412e, 1, 1*N},
{"branches", 0x00c4, 1*N, 1.1*N},
{"branch misses", 0x00c5, 1, 0.1*N},
--
2.34.1