[kvm-unit-tests patch v6 06/18] x86: pmu: Print measured event count if test fails

[Dapeng Mi]

Print the measured event count if the test case fails. This helps users
quickly know why the test case fails.

Signed-off-by: Dapeng Mi <dapeng1.mi@xxxxxxxxxxxxxxx>
---
 x86/pmu.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/x86/pmu.c b/x86/pmu.c
index b4de2680..53bb7ec0 100644
--- a/x86/pmu.c
+++ b/x86/pmu.c
@@ -204,8 +204,12 @@ static noinline void __measure(pmu_counter_t *evt, uint64_t count)
 
 static bool verify_event(uint64_t count, struct pmu_event *e)
 {
-	// printf("%d <= %ld <= %d\n", e->min, count, e->max);
-	return count >= e->min && count <= e->max;
+	bool pass = count >= e->min && count <= e->max;
+
+	if (!pass)
+		printf("FAIL: %d <= %"PRId64" <= %d\n", e->min, count, e->max);
+
+	return pass;
 }
 
 static bool verify_counter(pmu_counter_t *cnt)
-- 
2.40.1