From: Dapeng Mi <dapeng1.mi@linux.intel.com>
A new bit PERF_CAPABILITIES[17] called "PEBS_TIMING_INFO" bit is added
to indicated if PEBS supports to record timing information in a new
"Retried Latency" field.
Since KVM requires user can only set host consistent PEBS capabilities,
otherwise the PERF_CAPABILITIES setting would fail, add pebs_timing_info
into the "immutable_caps" to block host inconsistent PEBS configuration
and cause errors.
Opportunistically drop the anythread_deprecated bit. It isn't and likely
never was a PERF_CAPABILITIES flag, the test's definition snuck in when
the union was copy+pasted from the kernel's definition.
Signed-off-by: Dapeng Mi <dapeng1.mi@linux.intel.com>
Tested-by: Yi Lai <yi1.lai@intel.com>
[sean: call out anythread_deprecated change]
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c b/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c
index a1f5ff45d518..f8deea220156 100644
--- a/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c
+++ b/tools/testing/selftests/kvm/x86/vmx_pmu_caps_test.c
@@ -29,7 +29,7 @@ static union perf_capabilities {
u64 pebs_baseline:1;
u64 perf_metrics:1;
u64 pebs_output_pt_available:1;
- u64 anythread_deprecated:1;
+ u64 pebs_timing_info:1;
};
u64 capabilities;
} host_cap;
@@ -44,6 +44,7 @@ static const union perf_capabilities immutable_caps = {
.pebs_arch_reg = 1,
.pebs_format = -1,
.pebs_baseline = 1,
+ .pebs_timing_info = 1,
};
static const union perf_capabilities format_caps = {
--
2.51.0.470.ga7dc726c21-goog