[kvm-unit-tests patch v3 5/8] x86/pmu: Relax precise count check for emulated instructions tests

Dapeng Mi posted 8 patches 1 month ago
[kvm-unit-tests patch v3 5/8] x86/pmu: Relax precise count check for emulated instructions tests
Posted by Dapeng Mi 1 month ago
Relax precise count check for emulated instructions tests on these
platforms with HW overcount issues.

Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
---
 x86/pmu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/x86/pmu.c b/x86/pmu.c
index c54c0988..6bf6eee3 100644
--- a/x86/pmu.c
+++ b/x86/pmu.c
@@ -790,7 +790,7 @@ static void check_emulated_instr(void)
 
 	// Check that the end count - start count is at least the expected
 	// number of instructions and branches.
-	if (this_cpu_has_perf_global_ctrl()) {
+	if (this_cpu_has_perf_global_ctrl() && !intel_inst_overcount_flags) {
 		report(instr_cnt.count - instr_start == KVM_FEP_INSNS,
 		       "instruction count");
 		report(brnch_cnt.count - brnch_start == KVM_FEP_BRANCHES,
-- 
2.34.1