tree 5d0a88dc1b03c68e597f973270ce98e4dafb1942
parent 01d0ec2e85b3a9718a33fb9c718500e49fd46f47
author Yang Weijiang <weijiang.yang@intel.com> 1657513119 -0400
committer Sean Christopherson <seanjc@google.com> 1658780429 -0700

x86: Use helpers to fetch supported perf capabilities

Add helpers to query PMU info from CPUID(0xA) and use them instead of
caching the information in global (to the PMU test) unions.  Other tests
can also use the helpers to check PMU capabilities.

No functional change intended.

Signed-off-by: Yang Weijiang <weijiang.yang@intel.com>
Link: https://lore.kernel.org/r/20220711041841.126648-3-weijiang.yang@intel.com
Co-developed-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>