Changeset 77381 in vbox for trunk/src

Timestamp:

Feb 20, 2019 1:41:14 PM (6 years ago)

Author:

vboxsync

Message:

VMM: Further improvments on the IEM timer polling by making it fully configurable. Sideeffect is that EMSTATE_IEM_THEN_REM has now become more accurate and will execute fewer instructions (exactly 1024 rather than up to 1023+4096) before switching to REM.

File:

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

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

@@ -14443 +14443 @@
                             if (cMaxInstructions-- > 0)
                             {
-                                /* Poll timers every 2048 instructions. */
+                                /* Poll timers every now an then according to the caller's specs. */
                                 if (   (cMaxInstructions & cPollRate) != 0
                                     || !TMTimerPollBool(pVM, pVCpu))