Changeset 93785 in vbox for trunk/src/VBox

Timestamp:

Feb 16, 2022 10:18:50 AM (3 years ago)

Author:

vboxsync

Message:

VMM/NEMR3Native-darwin: Check whether probes are enabled to decide which runloop to use, bugref:9044

File:

• trunk/src/VBox/VMM/VMMR3/NEMR3Native-darwin.cpp (modified) (2 diffs)

trunk/src/VBox/VMM/VMMR3/NEMR3Native-darwin.cpp

@@ -3328 +3328 @@
 
 /**
+ * Checks if any expensive dtrace probes are enabled and we should go to the
+ * debug loop.
+ *
+ * @returns true if we should use debug loop, false if not.
+ */
+static bool nemR3DarwinAnyExpensiveProbesEnabled(void)
+{
+    /** @todo Check performance penalty when checking these over and over */
+    return (  VBOXVMM_R0_HMVMX_VMEXIT_ENABLED() /* expensive too due to context */
+            | VBOXVMM_XCPT_DE_ENABLED()
+            | VBOXVMM_XCPT_DB_ENABLED()
+            | VBOXVMM_XCPT_BP_ENABLED()
+            | VBOXVMM_XCPT_OF_ENABLED()
+            | VBOXVMM_XCPT_BR_ENABLED()
+            | VBOXVMM_XCPT_UD_ENABLED()
+            | VBOXVMM_XCPT_NM_ENABLED()
+            | VBOXVMM_XCPT_DF_ENABLED()
+            | VBOXVMM_XCPT_TS_ENABLED()
+            | VBOXVMM_XCPT_NP_ENABLED()
+            | VBOXVMM_XCPT_SS_ENABLED()
+            | VBOXVMM_XCPT_GP_ENABLED()
+            | VBOXVMM_XCPT_PF_ENABLED()
+            | VBOXVMM_XCPT_MF_ENABLED()
+            | VBOXVMM_XCPT_AC_ENABLED()
+            | VBOXVMM_XCPT_XF_ENABLED()
+            | VBOXVMM_XCPT_VE_ENABLED()
+            | VBOXVMM_XCPT_SX_ENABLED()
+            | VBOXVMM_INT_SOFTWARE_ENABLED()
+            /* not available in R3 | VBOXVMM_INT_HARDWARE_ENABLED()*/
+           ) != 0
+        || (  VBOXVMM_INSTR_HALT_ENABLED()
+            | VBOXVMM_INSTR_MWAIT_ENABLED()
+            | VBOXVMM_INSTR_MONITOR_ENABLED()
+            | VBOXVMM_INSTR_CPUID_ENABLED()
+            | VBOXVMM_INSTR_INVD_ENABLED()
+            | VBOXVMM_INSTR_WBINVD_ENABLED()
+            | VBOXVMM_INSTR_INVLPG_ENABLED()
+            | VBOXVMM_INSTR_RDTSC_ENABLED()
+            | VBOXVMM_INSTR_RDTSCP_ENABLED()
+            | VBOXVMM_INSTR_RDPMC_ENABLED()
+            | VBOXVMM_INSTR_RDMSR_ENABLED()
+            | VBOXVMM_INSTR_WRMSR_ENABLED()
+            | VBOXVMM_INSTR_CRX_READ_ENABLED()
+            | VBOXVMM_INSTR_CRX_WRITE_ENABLED()
+            | VBOXVMM_INSTR_DRX_READ_ENABLED()
+            | VBOXVMM_INSTR_DRX_WRITE_ENABLED()
+            | VBOXVMM_INSTR_PAUSE_ENABLED()
+            | VBOXVMM_INSTR_XSETBV_ENABLED()
+            | VBOXVMM_INSTR_SIDT_ENABLED()
+            | VBOXVMM_INSTR_LIDT_ENABLED()
+            | VBOXVMM_INSTR_SGDT_ENABLED()
+            | VBOXVMM_INSTR_LGDT_ENABLED()
+            | VBOXVMM_INSTR_SLDT_ENABLED()
+            | VBOXVMM_INSTR_LLDT_ENABLED()
+            | VBOXVMM_INSTR_STR_ENABLED()
+            | VBOXVMM_INSTR_LTR_ENABLED()
+            | VBOXVMM_INSTR_GETSEC_ENABLED()
+            | VBOXVMM_INSTR_RSM_ENABLED()
+            | VBOXVMM_INSTR_RDRAND_ENABLED()
+            | VBOXVMM_INSTR_RDSEED_ENABLED()
+            | VBOXVMM_INSTR_XSAVES_ENABLED()
+            | VBOXVMM_INSTR_XRSTORS_ENABLED()
+            | VBOXVMM_INSTR_VMM_CALL_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMCLEAR_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMLAUNCH_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMPTRLD_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMPTRST_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMREAD_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMRESUME_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMWRITE_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMXOFF_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMXON_ENABLED()
+            | VBOXVMM_INSTR_VMX_VMFUNC_ENABLED()
+            | VBOXVMM_INSTR_VMX_INVEPT_ENABLED()
+            | VBOXVMM_INSTR_VMX_INVVPID_ENABLED()
+            | VBOXVMM_INSTR_VMX_INVPCID_ENABLED()
+           ) != 0
+        || (  VBOXVMM_EXIT_TASK_SWITCH_ENABLED()
+            | VBOXVMM_EXIT_HALT_ENABLED()
+            | VBOXVMM_EXIT_MWAIT_ENABLED()
+            | VBOXVMM_EXIT_MONITOR_ENABLED()
+            | VBOXVMM_EXIT_CPUID_ENABLED()
+            | VBOXVMM_EXIT_INVD_ENABLED()
+            | VBOXVMM_EXIT_WBINVD_ENABLED()
+            | VBOXVMM_EXIT_INVLPG_ENABLED()
+            | VBOXVMM_EXIT_RDTSC_ENABLED()
+            | VBOXVMM_EXIT_RDTSCP_ENABLED()
+            | VBOXVMM_EXIT_RDPMC_ENABLED()
+            | VBOXVMM_EXIT_RDMSR_ENABLED()
+            | VBOXVMM_EXIT_WRMSR_ENABLED()
+            | VBOXVMM_EXIT_CRX_READ_ENABLED()
+            | VBOXVMM_EXIT_CRX_WRITE_ENABLED()
+            | VBOXVMM_EXIT_DRX_READ_ENABLED()
+            | VBOXVMM_EXIT_DRX_WRITE_ENABLED()
+            | VBOXVMM_EXIT_PAUSE_ENABLED()
+            | VBOXVMM_EXIT_XSETBV_ENABLED()
+            | VBOXVMM_EXIT_SIDT_ENABLED()
+            | VBOXVMM_EXIT_LIDT_ENABLED()
+            | VBOXVMM_EXIT_SGDT_ENABLED()
+            | VBOXVMM_EXIT_LGDT_ENABLED()
+            | VBOXVMM_EXIT_SLDT_ENABLED()
+            | VBOXVMM_EXIT_LLDT_ENABLED()
+            | VBOXVMM_EXIT_STR_ENABLED()
+            | VBOXVMM_EXIT_LTR_ENABLED()
+            | VBOXVMM_EXIT_GETSEC_ENABLED()
+            | VBOXVMM_EXIT_RSM_ENABLED()
+            | VBOXVMM_EXIT_RDRAND_ENABLED()
+            | VBOXVMM_EXIT_RDSEED_ENABLED()
+            | VBOXVMM_EXIT_XSAVES_ENABLED()
+            | VBOXVMM_EXIT_XRSTORS_ENABLED()
+            | VBOXVMM_EXIT_VMM_CALL_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMCLEAR_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMLAUNCH_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMPTRLD_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMPTRST_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMREAD_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMRESUME_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMWRITE_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMXOFF_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMXON_ENABLED()
+            | VBOXVMM_EXIT_VMX_VMFUNC_ENABLED()
+            | VBOXVMM_EXIT_VMX_INVEPT_ENABLED()
+            | VBOXVMM_EXIT_VMX_INVVPID_ENABLED()
+            | VBOXVMM_EXIT_VMX_INVPCID_ENABLED()
+            | VBOXVMM_EXIT_VMX_EPT_VIOLATION_ENABLED()
+            | VBOXVMM_EXIT_VMX_EPT_MISCONFIG_ENABLED()
+            | VBOXVMM_EXIT_VMX_VAPIC_ACCESS_ENABLED()
+            | VBOXVMM_EXIT_VMX_VAPIC_WRITE_ENABLED()
+           ) != 0;
+}
+
+
+/**
  * The debug runloop.
  *
@@ -3485 +3618 @@
     VBOXSTRICTRC rcStrict;
     if (   !pVCpu->nem.s.fUseDebugLoop
-        /** @todo dtrace && (!VBOXVMM_ANY_PROBES_ENABLED() || !hmR0VmxAnyExpensiveProbesEnabled()) */
+        && !nemR3DarwinAnyExpensiveProbesEnabled()
         && !DBGFIsStepping(pVCpu)
         && !pVCpu->CTX_SUFF(pVM)->dbgf.ro.cEnabledInt3Breakpoints)