From: Like Xu <likexu@xxxxxxxxxxx>
Add an Intel PMU detection step with a vendor prefix,
and report SKIP naturally on unsupported AMD platforms.
Signed-off-by: Like Xu <likexu@xxxxxxxxxxx>
---
x86/pmu.c | 25 ++++++++++++++++++++++---
1 file changed, 22 insertions(+), 3 deletions(-)
diff --git a/x86/pmu.c b/x86/pmu.c
index 826472c..b22f255 100644
--- a/x86/pmu.c
+++ b/x86/pmu.c
@@ -667,16 +667,35 @@ static void set_ref_cycle_expectations(void)
gp_events[2].max = (gp_events[2].max * cnt.count) / tsc_delta;
}
+static bool detect_intel_pmu(void)
+{
+ if (!pmu_version()) {
+ report_skip("No Intel Arch PMU is detected!");
+ return false;
+ }
+
+ report_prefix_push("Intel");
+ return true;
+}
+
+static bool pmu_is_detected(void)
+{
+ if (!is_intel()) {
+ report_skip("AMD PMU is not supported.");
+ return false;
+ }
+
+ return detect_intel_pmu();
+}
+
int main(int ac, char **av)
{
setup_vm();
handle_irq(PC_VECTOR, cnt_overflow);
buf = malloc(N*64);
- if (!pmu_version()) {
- report_skip("No Intel Arch PMU is detected!");
+ if (!pmu_is_detected())
return report_summary();
- }
set_ref_cycle_expectations();
--
2.37.2
