WARNING: this parameters can have serious negative 
        effects on the performance of your VMs - they can even make your system 
        become unstable. Do not touch them!!!
        
      
tools.mustPostReboot
        tools.mustPostHalt
        tools.mustPost
        tools.guestos.phase
        tools.state
      
monitor_control.busmem_installcrosscall
        monitor_control.clear
        monitor_control.dirty_on_unlock
        monitor_control.dump_host_ioapic
        monitor_control.enablepae
        monitor_control.growdown_protect
        monitor_control.halt_desched
        monitor_control.iret_not_privop
        monitor_control.largetlb
        monitor_control.mmu_singleptroot
        monitor_control.mmu_eagervalidate
        monitor_control.mmu_adaptive
        monitor_control.nw_bigmem
        monitor_control.nw_jvm
        monitor_control.nmi_based_kstats
        monitor_control.noncacheable_int20
        monitor_control.os2
        monitor_control.pseudo_perfctr
        monitor_control.set
        monitor_control.slowloop
        monitor_control.smooth_acpi_timer
        monitor_control.tcl_step
        monitor_control.virtual_rdtsc
        monitor_control.vsyscall_hole
        monitor_control.available4
        monitor_control.available3
        monitor_control.available2
        monitor_control.available1
        monitor_control.available0
        monitor_control.enable_passthrough
        monitor_control.enable_extended_core
        monitor_control.enable_pmatch_linuxvga
        monitor_control.enable_pmatch_w2kvga
        monitor_control.enable_irqspacing
        monitor_control.enable_zeromda_irqlatch
        monitor_control.disable_apic
        monitor_control.disable_vmeopt
        monitor_control.disable_vme
        monitor_control.disable_ntreloc
        monitor_control.disable_trimming
        monitor_control.disable_setfsopt
        monitor_control.disable_selfmod
        monitor_control.disable_reloc
        monitor_control.disable_inlining
        monitor_control.disable_ics
        monitor_control.disable_rdtscopt
        monitor_control.disable_dttracing
        monitor_control.disable_dtfastwrite
        monitor_control.disable_directexec
        monitor_control.disable_codetracing
        monitor_control.disable_chksimd
        monitor_control.disable_checkcodeexpire
        monitor_control.disable_checkcode
        monitor_control.disable_ccf_inval
        monitor_control.disable_btseg
        monitor_control.disable_btpriv
        monitor_control.disable_btmemspace
        monitor_control.disable_btinout
        monitor_control.disable_smpmmucaching
        monitor_control.disable_mmucaching
        monitor_control.disable_mmx
        monitor_control.disable_mca
        monitor_control.disable_flat_mode
        monitor_control.startup_interlock
        monitor_control.startup_delay
      
mainMem.preAllocVACache
        mainMem.partialMap
        mainMem.vaCacheSize
        mainMem.vaAlignSize
        mainMem.vaTileSize
 VMX-file parameters 
          - Don't-touch-list
VMX-file parameters 
          - Don't-touch-list