Changeset 56875 in vbox

Timestamp:

Jul 8, 2015 4:55:40 PM (10 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

101546

Message:

VMM/GIM/HV: Read the TSC frequency from the cached value while being queried by the guest.

File:

• trunk/src/VBox/VMM/VMMAll/GIMAllHv.cpp (modified) (1 diff)

trunk/src/VBox/VMM/VMMAll/GIMAllHv.cpp

@@ -102 +102 @@
             /* Hyper-V reports the time in 100 ns units (10 MHz). */
             uint64_t u64Tsc      = TMCpuTickGet(pVCpu);
-            uint64_t u64TscHz    = TMCpuTicksPerSecond(pVM);
+            uint64_t u64TscHz    = pHv->cTscTicksPerSecond;
             uint64_t u64Tsc100Ns = u64TscHz / UINT64_C(10000000); /* 100 ns */
             *puValue = (u64Tsc / u64Tsc100Ns);