print spec control CPUID info

Change-Id: Ib46ee52111b5539155983c2fb92d4457962dd668
intel · Jan 31, 2019 · 28b7767 · 28b7767
1 parent 4b20d7a
commit 28b7767
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/cpucounters.cpp b/cpucounters.cpp
@@ -507,6 +507,12 @@ bool PCM::detectModel()
         return false;
     }
 
+    pcm_cpuid(7, 0, cpuinfo);
+
+    std::cout << "IBRS and IBPB supported  : " << ((cpuinfo.reg.edx & (1 << 26)) ? "yes" : "no") << std::endl;
+    std::cout << "STIBP supported          : " << ((cpuinfo.reg.edx & (1 << 27)) ? "yes" : "no") << std::endl;
+    std::cout << "Spec arch caps supported : " << ((cpuinfo.reg.edx & (1 << 29)) ? "yes" : "no") << std::endl;
+
     return true;
 }