Changeset 87633 in vbox for trunk/include/VBox

Timestamp:

Feb 5, 2021 9:37:09 PM (4 years ago)

Author:

vboxsync

Message:

VMM/TM,VMM/HMVMX: Try avoid calling TMCpuTickGetDeadlineAndTscOffset as it is expensive. Current approach is a bit erratic wrt CPUID benchmark results, but it's generally better than before.

File:

• trunk/include/VBox/vmm/tm.h (modified) (2 diffs)

trunk/include/VBox/vmm/tm.h

@@ -122 +122 @@
 VMM_INT_DECL(uint64_t)  TMVirtualSyncGet(PVMCC pVM);
 VMM_INT_DECL(uint64_t)  TMVirtualSyncGetNoCheck(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetNoCheckWithTsc(PVMCC pVM, uint64_t *puTscNow);
 VMM_INT_DECL(uint64_t)  TMVirtualSyncGetEx(PVMCC pVM, bool fCheckTimers);
-VMM_INT_DECL(uint64_t)  TMVirtualSyncGetWithDeadlineNoCheck(PVMCC pVM, uint64_t *pcNsToDeadline);
-VMMDECL(uint64_t)       TMVirtualSyncGetNsToDeadline(PVMCC pVM);
+VMM_INT_DECL(uint64_t)  TMVirtualSyncGetWithDeadlineNoCheck(PVMCC pVM, uint64_t *pcNsToDeadline,
+                                                            uint64_t *puDeadlineVersion, uint64_t *puTscNow);
+VMMDECL(uint64_t)       TMVirtualSyncGetNsToDeadline(PVMCC pVM, uint64_t *puDeadlineVersion, uint64_t *puTscNow);
+VMM_INT_DECL(bool)      TMVirtualSyncIsCurrentDeadlineVersion(PVMCC pVM, uint64_t uDeadlineVersion);
 VMM_INT_DECL(uint64_t)  TMVirtualToNano(PVM pVM, uint64_t u64VirtualTicks);
 VMM_INT_DECL(uint64_t)  TMVirtualToMicro(PVM pVM, uint64_t u64VirtualTicks);
@@ -146 +149 @@
 VMM_INT_DECL(uint64_t)  TMCpuTickGetNoCheck(PVMCPUCC pVCpu);
 VMM_INT_DECL(bool)      TMCpuTickCanUseRealTSC(PVMCC pVM, PVMCPUCC pVCpu, uint64_t *poffRealTSC, bool *pfParavirtTsc);
-VMM_INT_DECL(uint64_t)  TMCpuTickGetDeadlineAndTscOffset(PVMCC pVM, PVMCPUCC pVCpu, uint64_t *poffRealTSC, bool *pfOffsettedTsc, bool *pfParavirtTsc);
+VMM_INT_DECL(uint64_t)  TMCpuTickGetDeadlineAndTscOffset(PVMCC pVM, PVMCPUCC pVCpu, uint64_t *poffRealTsc,
+                                                         bool *pfOffsettedTsc, bool *pfParavirtTsc,
+                                                         uint64_t *puTscNow, uint64_t *puDeadlineVersion);
 VMM_INT_DECL(int)       TMCpuTickSet(PVMCC pVM, PVMCPUCC pVCpu, uint64_t u64Tick);
 VMM_INT_DECL(int)       TMCpuTickSetLastSeen(PVMCPUCC pVCpu, uint64_t u64LastSeenTick);