prl_vm_app yomping all my cpu time

Since no one has responded to this request, I will. This command was executed with the Windows XP Guest window opened, but the VM suspended. During this time 100% cpu was reported for the Parallels Desktop process:

eric-battes-macbook-pro-3:~ ebatte$ prl_perf_ctl -a -l 10
Performance Counters View Utility v4.0.3522.205912
Copyright 2008 Parallels, Inc.

disp_server - 08:25:17 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:25:27 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:25:37 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:25:47 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:25:57 +10 sec
mgmt.commands 1
mgmt.error_commands 0
disp_server - 08:26:07 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:26:17 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:26:27 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:26:37 +10 sec
mgmt.commands 0
mgmt.error_commands 0
disp_server - 08:26:47 +10 sec
mgmt.commands 0
mgmt.error_commands 0
 
After resuming the Guest VM here is the same command run again:

eric-battes-macbook-pro-3:~ ebatte$ prl_perf_ctl -a -l 10
Performance Counters View Utility v4.0.3522.205912
Copyright 2008 Parallels, Inc.

Windows XP - 08:31:34 +10 sec
devices.ide0.aligned_writes 0
devices.ide0.fsync 0
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 0
devices.ide0.read_total 0
devices.ide0.unaligned_writes 0
devices.ide0.write_requests 0
devices.ide0.write_total 0
devices.usb.ehci.activity 0
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 0
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 2895
kernel.paging.vcpu0.cr3_change 0
kernel.paging.vcpu0.cr3_flushtlb 0
kernel.paging.vcpu0.cr3_read 0
kernel.paging.vcpu0.cr3_write 0
kernel.paging.vcpu0.pf.genexc 0
kernel.paging.vcpu0.pf.invalid 0
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 0
kernel.paging.vcpu0.pf.prot 0
kernel.paging.vcpu0.pf.success 0
kernel.paging.vcpu0.pf.wmapped 0
kernel.paging.vcpu1.cr3_change 0
kernel.paging.vcpu1.cr3_flushtlb 0
kernel.paging.vcpu1.cr3_read 0
kernel.paging.vcpu1.cr3_write 0
kernel.paging.vcpu1.pf.genexc 0
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 0
kernel.paging.vcpu1.pf.prot 0
kernel.paging.vcpu1.pf.success 0
kernel.paging.vcpu1.pf.wmapped 0
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 0
kernel.vcpu0.activity.idle_percent 99
kernel.vcpu0.activity.mon_artloop_halt 1
kernel.vcpu0.activity.mon_mcs 5
kernel.vcpu0.activity.quest_acpi_halt 0
kernel.vcpu0.activity.send_halt_msg 1
kernel.vcpu0.activity.send_halt_msg_delay 11
kernel.vcpu0.async_thr_activate 0
kernel.vcpu0.guest_switch_sd 0
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 0
kernel.vcpu0.hardware_interrupt 0
kernel.vcpu0.irq_process 1714
kernel.vcpu0.mode_switch 0
kernel.vcpu0.mon_ret_to_host 1
kernel.vcpu0.mon_ret_to_host_switch 1
kernel.vcpu0.pic.setintrequest 8093
kernel.vcpu0.sendapirequest 4629
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 8190
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 0
kernel.vcpu1.activity.idle_percent 100
kernel.vcpu1.activity.mon_artloop_halt 1
kernel.vcpu1.activity.mon_mcs 3
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 1
kernel.vcpu1.activity.send_halt_msg_delay 11
kernel.vcpu1.async_thr_activate 0
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 0
kernel.vcpu1.hardware_interrupt 0
kernel.vcpu1.irq_process 1357
kernel.vcpu1.mode_switch 0
kernel.vcpu1.mon_ret_to_host 1
kernel.vcpu1.mon_ret_to_host_switch 1
kernel.vcpu1.pic.setintrequest 1294
kernel.vcpu1.sendapirequest 3546
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 19195
kernel.ws.effective 0
kernel.ws.pagein 0
kernel.ws.pageout 0
kernel.ws.pages 26706
net.nic0.activate 0
net.nic0.bcast_in 0
net.nic0.bytes_in 0
net.nic0.bytes_out 0
net.nic0.mcast_in 0
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 0
net.nic0.pkts_out 0
net.nic0.send_buffer_notifications 0
video.frames 0
disp_server - 08:31:34 +10 sec
mgmt.commands 0
mgmt.error_commands 0
Windows XP - 08:31:44 +10 sec
devices.ide0.aligned_writes 0
devices.ide0.fsync 0
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 0
devices.ide0.read_total 0
devices.ide0.unaligned_writes 0
devices.ide0.write_requests 0
devices.ide0.write_total 0
devices.usb.ehci.activity 0
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 0
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 2925
kernel.paging.vcpu0.cr3_change 756
kernel.paging.vcpu0.cr3_flushtlb 0
kernel.paging.vcpu0.cr3_read 0
kernel.paging.vcpu0.cr3_write 756
kernel.paging.vcpu0.pf.genexc 3
kernel.paging.vcpu0.pf.invalid 0
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 4304
kernel.paging.vcpu0.pf.prot 4118
kernel.paging.vcpu0.pf.success 183
kernel.paging.vcpu0.pf.wmapped 0
kernel.paging.vcpu1.cr3_change 890
kernel.paging.vcpu1.cr3_flushtlb 0
kernel.paging.vcpu1.cr3_read 0
kernel.paging.vcpu1.cr3_write 890
kernel.paging.vcpu1.pf.genexc 3
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 2442
kernel.paging.vcpu1.pf.prot 2355
kernel.paging.vcpu1.pf.success 84
kernel.paging.vcpu1.pf.wmapped 0
 
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 877
kernel.vcpu0.activity.idle_percent 100
kernel.vcpu0.activity.mon_artloop_halt 2239
kernel.vcpu0.activity.mon_mcs 100776
kernel.vcpu0.activity.quest_acpi_halt 0
kernel.vcpu0.activity.send_halt_msg 2213
kernel.vcpu0.activity.send_halt_msg_delay 1
kernel.vcpu0.async_thr_activate 21
kernel.vcpu0.guest_switch_sd 0
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 14875
kernel.vcpu0.hardware_interrupt 107
kernel.vcpu0.irq_process 1752
kernel.vcpu0.mode_switch 0
kernel.vcpu0.mon_ret_to_host 4695
kernel.vcpu0.mon_ret_to_host_switch 4695
kernel.vcpu0.pic.setintrequest 8969
kernel.vcpu0.sendapirequest 4755
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 8234
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 746
kernel.vcpu1.activity.idle_percent 100
kernel.vcpu1.activity.mon_artloop_halt 2598
kernel.vcpu1.activity.mon_mcs 108974
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 2594
kernel.vcpu1.activity.send_halt_msg_delay 1
kernel.vcpu1.async_thr_activate 0
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 6633
kernel.vcpu1.hardware_interrupt 38
kernel.vcpu1.irq_process 1361
kernel.vcpu1.mode_switch 0
kernel.vcpu1.mon_ret_to_host 3159
kernel.vcpu1.mon_ret_to_host_switch 3159
kernel.vcpu1.pic.setintrequest 1298
kernel.vcpu1.sendapirequest 3565
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 19270
kernel.ws.effective 0
kernel.ws.pagein 105
kernel.ws.pageout 5921
kernel.ws.pages 20890
net.nic0.activate 1
net.nic0.bcast_in 0
net.nic0.bytes_in 0
net.nic0.bytes_out 60
net.nic0.mcast_in 0
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 0
net.nic0.pkts_out 1
net.nic0.send_buffer_notifications 0
video.frames 0
disp_server - 08:31:44 +10 sec
mgmt.commands 0
mgmt.error_commands 0
Windows XP - 08:31:54 +10 sec
devices.ide0.aligned_writes 0
devices.ide0.fsync 0
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 0
devices.ide0.read_total 0
devices.ide0.unaligned_writes 0
devices.ide0.write_requests 0
devices.ide0.write_total 0
devices.usb.ehci.activity 0
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 0
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 2949
kernel.paging.vcpu0.cr3_change 574
kernel.paging.vcpu0.cr3_flushtlb 0
kernel.paging.vcpu0.cr3_read 0
kernel.paging.vcpu0.cr3_write 574
kernel.paging.vcpu0.pf.genexc 1
kernel.paging.vcpu0.pf.invalid 0
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 3239
kernel.paging.vcpu0.pf.prot 3103
kernel.paging.vcpu0.pf.success 135
kernel.paging.vcpu0.pf.wmapped 0
kernel.paging.vcpu1.cr3_change 674
kernel.paging.vcpu1.cr3_flushtlb 0
kernel.paging.vcpu1.cr3_read 0
kernel.paging.vcpu1.cr3_write 674
kernel.paging.vcpu1.pf.genexc 8
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 1827
kernel.paging.vcpu1.pf.prot 1770
kernel.paging.vcpu1.pf.success 49
kernel.paging.vcpu1.pf.wmapped 0
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 657
kernel.vcpu0.activity.idle_percent 100
kernel.vcpu0.activity.mon_artloop_halt 1703
kernel.vcpu0.activity.mon_mcs 97064
kernel.vcpu0.activity.quest_acpi_halt 0
kernel.vcpu0.activity.send_halt_msg 1694
kernel.vcpu0.activity.send_halt_msg_delay 18446744073709551612
kernel.vcpu0.async_thr_activate 16
kernel.vcpu0.guest_switch_sd 0
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 11259
kernel.vcpu0.hardware_interrupt 91
kernel.vcpu0.irq_process 1780
kernel.vcpu0.mode_switch 0
kernel.vcpu0.mon_ret_to_host 3546
kernel.vcpu0.mon_ret_to_host_switch 3546
kernel.vcpu0.pic.setintrequest 9636
kernel.vcpu0.sendapirequest 4823
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 8269
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 568
kernel.vcpu1.activity.idle_percent 100
kernel.vcpu1.activity.mon_artloop_halt 2000
kernel.vcpu1.activity.mon_mcs 2495290
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 1998
kernel.vcpu1.activity.send_halt_msg_delay 18446744073709551612
kernel.vcpu1.async_thr_activate 0
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 5357
kernel.vcpu1.hardware_interrupt 116
kernel.vcpu1.irq_process 1365
kernel.vcpu1.mode_switch 0
kernel.vcpu1.mon_ret_to_host 2880
kernel.vcpu1.mon_ret_to_host_switch 2880
kernel.vcpu1.pic.setintrequest 1302
kernel.vcpu1.sendapirequest 3579
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 19693
kernel.ws.effective 18432
kernel.ws.pagein 67
kernel.ws.pageout 995
kernel.ws.pages 19962
net.nic0.activate 0
net.nic0.bcast_in 0
net.nic0.bytes_in 0
net.nic0.bytes_out 0
net.nic0.mcast_in 0
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 0
net.nic0.pkts_out 0
net.nic0.send_buffer_notifications 0
video.frames 0
disp_server - 08:31:54 +10 sec
mgmt.commands 0
mgmt.error_commands 0
Windows
 
I had the same problem, after I activated 2 CPUs yesterday. Repairing the CPU driver in XP also solved this issue for my installation.
 
Windows 98 - 19:10:07
devices.ide0.aligned_writes 0
devices.ide0.fsync 0
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 1253
devices.ide0.read_total 18904576
devices.ide0.unaligned_writes 9
devices.ide0.write_requests 9
devices.ide0.write_total 4608
devices.usb.ehci.activity 0
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 0
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 36946
kernel.paging.vcpu0.cr3_change 0
kernel.paging.vcpu0.cr3_flushtlb 0
kernel.paging.vcpu0.cr3_read 0
kernel.paging.vcpu0.cr3_write 0
kernel.paging.vcpu0.pf.genexc 0
kernel.paging.vcpu0.pf.invalid 0
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 5
kernel.paging.vcpu0.pf.prot 0
kernel.paging.vcpu0.pf.success 5
kernel.paging.vcpu0.pf.wmapped 0
kernel.paging.vcpu1.cr3_change 0
kernel.paging.vcpu1.cr3_flushtlb 0
kernel.paging.vcpu1.cr3_read 0
kernel.paging.vcpu1.cr3_write 0
kernel.paging.vcpu1.pf.genexc 0
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 0
kernel.paging.vcpu1.pf.prot 0
kernel.paging.vcpu1.pf.success 0
kernel.paging.vcpu1.pf.wmapped 0
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 1
kernel.vcpu0.activity.idle_percent 1
kernel.vcpu0.activity.mon_artloop_halt 2786
kernel.vcpu0.activity.mon_mcs 1665429497
kernel.vcpu0.activity.quest_acpi_halt 0
kernel.vcpu0.activity.send_halt_msg 1666
kernel.vcpu0.activity.send_halt_msg_delay 15
kernel.vcpu0.async_thr_activate 1273
kernel.vcpu0.guest_switch_sd 593859766
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 9
kernel.vcpu0.hardware_interrupt 848698
kernel.vcpu0.irq_process 1272
kernel.vcpu0.mode_switch 11
kernel.vcpu0.mon_ret_to_host 853640
kernel.vcpu0.mon_ret_to_host_switch 853640
kernel.vcpu0.pic.setintrequest 70256
kernel.vcpu0.sendapirequest 1997
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 0
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 0
kernel.vcpu1.activity.idle_percent 100
kernel.vcpu1.activity.mon_artloop_halt 0
kernel.vcpu1.activity.mon_mcs 0
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 0
kernel.vcpu1.activity.send_halt_msg_delay 0
kernel.vcpu1.async_thr_activate 0
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 0
kernel.vcpu1.hardware_interrupt 0
kernel.vcpu1.irq_process 0
kernel.vcpu1.mode_switch 0
kernel.vcpu1.mon_ret_to_host 0
kernel.vcpu1.mon_ret_to_host_switch 0
kernel.vcpu1.pic.setintrequest 0
kernel.vcpu1.sendapirequest 0
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 0
kernel.ws.effective 18432
kernel.ws.pagein 2433
kernel.ws.pageout 0
kernel.ws.pages 2433
net.nic0.activate 1
net.nic0.bcast_in 30
net.nic0.bytes_in 0
net.nic0.bytes_out 0
net.nic0.mcast_in 8
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 0
net.nic0.pkts_out 0
net.nic0.send_buffer_notifications 0
video.frames 206
disp_server - 19:10:07
mgmt.commands 21
mgmt.error_commands 0
 
Then, the Win98 VM locked up:

Windows 98 - 19:13:47
devices.ide0.aligned_writes 229
devices.ide0.fsync 0
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 6290
devices.ide0.read_total 50187776
devices.ide0.unaligned_writes 384
devices.ide0.write_requests 306
devices.ide0.write_total 1371136
devices.usb.ehci.activity 0
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 1
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 100740
kernel.paging.vcpu0.cr3_change 1
kernel.paging.vcpu0.cr3_flushtlb 20589
kernel.paging.vcpu0.cr3_read 5
kernel.paging.vcpu0.cr3_write 20590
kernel.paging.vcpu0.pf.genexc 62786946
kernel.paging.vcpu0.pf.invalid 16
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 64872606
kernel.paging.vcpu0.pf.prot 2013993
kernel.paging.vcpu0.pf.success 70888
kernel.paging.vcpu0.pf.wmapped 0
kernel.paging.vcpu1.cr3_change 0
kernel.paging.vcpu1.cr3_flushtlb 0
kernel.paging.vcpu1.cr3_read 0
kernel.paging.vcpu1.cr3_write 0
kernel.paging.vcpu1.pf.genexc 0
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 0
kernel.paging.vcpu1.pf.prot 0
kernel.paging.vcpu1.pf.success 0
kernel.paging.vcpu1.pf.wmapped 0
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 1061
kernel.vcpu0.activity.idle_percent 100
kernel.vcpu0.activity.mon_artloop_halt 17169
kernel.vcpu0.activity.mon_mcs 1859202380
kernel.vcpu0.activity.quest_acpi_halt 10506
kernel.vcpu0.activity.send_halt_msg 15068
kernel.vcpu0.activity.send_halt_msg_delay 1
kernel.vcpu0.async_thr_activate 6642
kernel.vcpu0.guest_switch_sd 610542390
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 67634676
kernel.vcpu0.hardware_interrupt 993595
kernel.vcpu0.irq_process 7450
kernel.vcpu0.mode_switch 14
kernel.vcpu0.mon_ret_to_host 1037393
kernel.vcpu0.mon_ret_to_host_switch 1037394
kernel.vcpu0.pic.setintrequest 237515
kernel.vcpu0.sendapirequest 3284
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 32058
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 0
kernel.vcpu1.activity.idle_percent 100
kernel.vcpu1.activity.mon_artloop_halt 0
kernel.vcpu1.activity.mon_mcs 0
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 0
kernel.vcpu1.activity.send_halt_msg_delay 0
kernel.vcpu1.async_thr_activate 0
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 0
kernel.vcpu1.hardware_interrupt 0
kernel.vcpu1.irq_process 0
kernel.vcpu1.mode_switch 0
kernel.vcpu1.mon_ret_to_host 0
kernel.vcpu1.mon_ret_to_host_switch 0
kernel.vcpu1.pic.setintrequest 0
kernel.vcpu1.sendapirequest 0
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 0
kernel.ws.effective 18432
kernel.ws.pagein 16351
kernel.ws.pageout 0
kernel.ws.pages 16351
net.nic0.activate 15
net.nic0.bcast_in 30
net.nic0.bytes_in 316
net.nic0.bytes_out 2342
net.nic0.mcast_in 8
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 1
net.nic0.pkts_out 21
net.nic0.send_buffer_notifications 0
video.frames 544
disp_server - 19:13:47
mgmt.commands 22
mgmt.error_commands 0
 
CPU around 150% during Boot Camp Boot. Shortly after this, it spiked to 180% and my system became unresponsive for a while:

My Boot Camp - 19:16:40
devices.ide0.aligned_writes 0
devices.ide0.fsync 0
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 1752
devices.ide0.read_total 18312192
devices.ide0.unaligned_writes 2
devices.ide0.write_requests 2
devices.ide0.write_total 1024
devices.usb.ehci.activity 0
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 1
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 35818
kernel.paging.vcpu0.cr3_change 155
kernel.paging.vcpu0.cr3_flushtlb 1345
kernel.paging.vcpu0.cr3_read 1352
kernel.paging.vcpu0.cr3_write 1500
kernel.paging.vcpu0.pf.genexc 67
kernel.paging.vcpu0.pf.invalid 0
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 162406
kernel.paging.vcpu0.pf.prot 103043
kernel.paging.vcpu0.pf.success 59285
kernel.paging.vcpu0.pf.wmapped 11
kernel.paging.vcpu1.cr3_change 203
kernel.paging.vcpu1.cr3_flushtlb 4
kernel.paging.vcpu1.cr3_read 6
kernel.paging.vcpu1.cr3_write 207
kernel.paging.vcpu1.pf.genexc 1996
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 6901
kernel.paging.vcpu1.pf.prot 77
kernel.paging.vcpu1.pf.success 4817
kernel.paging.vcpu1.pf.wmapped 11
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 1
kernel.vcpu0.activity.idle_percent 100
kernel.vcpu0.activity.mon_artloop_halt 3580
kernel.vcpu0.activity.mon_mcs 35072956
kernel.vcpu0.activity.quest_acpi_halt 0
kernel.vcpu0.activity.send_halt_msg 2268
kernel.vcpu0.activity.send_halt_msg_delay 1
kernel.vcpu0.async_thr_activate 1793
kernel.vcpu0.guest_switch_sd 0
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 9120302
kernel.vcpu0.hardware_interrupt 95399
kernel.vcpu0.irq_process 1799
kernel.vcpu0.mode_switch 1251
kernel.vcpu0.mon_ret_to_host 114715
kernel.vcpu0.mon_ret_to_host_switch 114715
kernel.vcpu0.pic.setintrequest 37113
kernel.vcpu0.sendapirequest 982
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 13670
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 0
kernel.vcpu1.activity.idle_percent 100
kernel.vcpu1.activity.mon_artloop_halt 0
kernel.vcpu1.activity.mon_mcs 2899251
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 0
kernel.vcpu1.activity.send_halt_msg_delay 0
kernel.vcpu1.async_thr_activate 13
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 110053
kernel.vcpu1.hardware_interrupt 369
kernel.vcpu1.irq_process 1
kernel.vcpu1.mode_switch 1
kernel.vcpu1.mon_ret_to_host 2579
kernel.vcpu1.mon_ret_to_host_switch 2579
kernel.vcpu1.pic.setintrequest 5
kernel.vcpu1.sendapirequest 154
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 2295
kernel.ws.effective 18432
kernel.ws.pagein 16223
kernel.ws.pageout 0
kernel.ws.pages 16223
net.nic0.activate 5
net.nic0.bcast_in 4
net.nic0.bytes_in 1264
net.nic0.bytes_out 2360
net.nic0.mcast_in 0
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 4
net.nic0.pkts_out 4
net.nic0.send_buffer_notifications 0
video.frames 629
disp_server - 19:16:40
mgmt.commands 33
mgmt.error_commands 0
 
Once Boot Camp reaches login screen, the CPU usage drops to around 10%:

My Boot Camp - 19:24:38
devices.ide0.aligned_writes 57515
devices.ide0.fsync 110
devices.ide0.new_blocks_created 0
devices.ide0.read_requests 15455
devices.ide0.read_total 432880640
devices.ide0.unaligned_writes 251
devices.ide0.write_requests 5926
devices.ide0.write_total 243192832
devices.usb.ehci.activity 2
devices.usb.ehci.ioasynccallback 0
devices.usb.ehci.process_frame 0
devices.usb.ehci.processpkt 0
devices.usb.ehci.vcpusignal 0
devices.usb.ehci.vcpusignal.aa 0
devices.usb.ehci.vcpusignal.flr 0
devices.usb.ehci.vcpusignal.int 0
devices.usb.ehci.vcpusignal.pcd 0
devices.usb.ehci.vcpusignal.ue 0
devices.usb.uhci.activity 2
devices.usb.uhci.ioasynccallback 0
devices.usb.uhci.process_frame 0
devices.usb.uhci.processpkt 0
devices.usb.uhci.vcpusignal.total 0
kernel.ide.irqs 56629
kernel.paging.vcpu0.cr3_change 128462
kernel.paging.vcpu0.cr3_flushtlb 1345
kernel.paging.vcpu0.cr3_read 1352
kernel.paging.vcpu0.cr3_write 129807
kernel.paging.vcpu0.pf.genexc 361272
kernel.paging.vcpu0.pf.invalid 0
kernel.paging.vcpu0.pf.mspc 0
kernel.paging.vcpu0.pf.pagefault 2773607
kernel.paging.vcpu0.pf.prot 1146568
kernel.paging.vcpu0.pf.success 1264482
kernel.paging.vcpu0.pf.wmapped 1115
kernel.paging.vcpu1.cr3_change 131628
kernel.paging.vcpu1.cr3_flushtlb 4
kernel.paging.vcpu1.cr3_read 6
kernel.paging.vcpu1.cr3_write 131632
kernel.paging.vcpu1.pf.genexc 233213
kernel.paging.vcpu1.pf.invalid 0
kernel.paging.vcpu1.pf.mspc 0
kernel.paging.vcpu1.pf.pagefault 1408480
kernel.paging.vcpu1.pf.prot 336497
kernel.paging.vcpu1.pf.success 838403
kernel.paging.vcpu1.pf.wmapped 366
kernel.usb.ehc.irqs 0
kernel.usb.uhc.irqs 0
kernel.vcpu0.activity.guest_mcs 0
kernel.vcpu0.activity.guest_proc_halt 54643
kernel.vcpu0.activity.idle_percent 97
kernel.vcpu0.activity.mon_artloop_halt 93497
kernel.vcpu0.activity.mon_mcs 204324021
kernel.vcpu0.activity.quest_acpi_halt 0
kernel.vcpu0.activity.send_halt_msg 89655
kernel.vcpu0.activity.send_halt_msg_delay 4
kernel.vcpu0.async_thr_activate 17010
kernel.vcpu0.guest_switch_sd 0
kernel.vcpu0.guest_switch_svm 0
kernel.vcpu0.guest_switch_vtx 14259120
kernel.vcpu0.hardware_interrupt 136959
kernel.vcpu0.irq_process 13636
kernel.vcpu0.mode_switch 1251
kernel.vcpu0.mon_ret_to_host 504973
kernel.vcpu0.mon_ret_to_host_switch 504973
kernel.vcpu0.pic.setintrequest 87787
kernel.vcpu0.sendapirequest 11292
kernel.vcpu0.sendapirequest_lastcmd 0
kernel.vcpu0.vtx_interrupth 193665
kernel.vcpu1.activity.guest_mcs 0
kernel.vcpu1.activity.guest_proc_halt 60830
kernel.vcpu1.activity.idle_percent 99
kernel.vcpu1.activity.mon_artloop_halt 118094
kernel.vcpu1.activity.mon_mcs 162871029
kernel.vcpu1.activity.quest_acpi_halt 0
kernel.vcpu1.activity.send_halt_msg 113513
kernel.vcpu1.activity.send_halt_msg_delay 4
kernel.vcpu1.async_thr_activate 5440
kernel.vcpu1.guest_switch_sd 0
kernel.vcpu1.guest_switch_svm 0
kernel.vcpu1.guest_switch_vtx 3375953
kernel.vcpu1.hardware_interrupt 26969
kernel.vcpu1.irq_process 10338
kernel.vcpu1.mode_switch 1
kernel.vcpu1.mon_ret_to_host 295557
kernel.vcpu1.mon_ret_to_host_switch 295557
kernel.vcpu1.pic.setintrequest 9597
kernel.vcpu1.sendapirequest 6025
kernel.vcpu1.sendapirequest_lastcmd 0
kernel.vcpu1.vtx_interrupth 167717
kernel.ws.effective 0
kernel.ws.pagein 199828
kernel.ws.pageout 70094
kernel.ws.pages 129734
net.nic0.activate 190
net.nic0.bcast_in 22
net.nic0.bytes_in 152777
net.nic0.bytes_out 87114
net.nic0.mcast_in 26
net.nic0.pkt_dropped_in 0
net.nic0.pkt_err_in 0
net.nic0.pkt_err_out 0
net.nic0.pkts_in 212
net.nic0.pkts_out 240
net.nic0.send_buffer_notifications 0
video.frames 1665
disp_server - 19:24:38
mgmt.commands 35
mgmt.error_commands 0
 
You don't need to download the new drivers... If you are familiar with Device Manager, just double-click on the processor device in Windows Device Manager, select the driver tab, and then choose update (you could even try roll-back as well). Let windows search for the driver itself. It worked for me. Nic.
 
This has been happening to me too. I do not see any problems in the Device manager, but all my upgraded VMs show at least 100% CPU useage. None of my new VMs do. I also had problems upgrading them and had to do this manually. I would certainly be nice if the Parallels folks actually responded to this.
 
All,

I hope you have all raised a support case on the support site (which was what I did... and even though they didn't solve the problem for me - I found a solution myself - they did eventually respond) so you will get a one-to-one support.

Can I suggest, that even if there is no exclamation point in the Windows Device Manager, that you at least try reinstalling the driver for the CPUs... maybe by letting Windows go to the update site (this time only) and install automatically. Or even rollback. Just because there is no exclamation point, doesn't mean it is not the same issue.

One last thing... I assume you have all checked Windows Task Manager and made sure nothing is running on the VM? This is the first thing I checked... I had virtually NO CPU utilisation within Windows, yet the parallels app was taking 100 (or 200) % of my Mac O
 
All,

I hope you have all raised a support case on the support site (which was what I did... and even though they didn't solve the problem for me - I found a solution myself - they did eventually respond) so you will get a one-to-one support.

Can I suggest, that even if there is no exclamation point in the Windows Device Manager, that you at least try reinstalling the driver for the CPUs... maybe by letting Windows go to the update site (this time only) and install automatically. Or even rollback. Just because there is no exclamation point, doesn't mean it is not the same issue.

One last thing... I assume you have all checked Windows Task Manager and made sure nothing is running on the VM? This is the first thing I checked... I had virtually NO CPU utilisation within Windows, yet the parallels app was taking 100 (or 200) % of my Mac OS X.

Not sure I can help any further!

Nic.
 
I had the same problem, after I activated 2 CPUs yesterday. Repairing the CPU driver in XP also solved this issue for my installation.

Hi!

Kindly advise how to repair the CPU driver? I have tried to update the CPU driver but Windows asked me to put the CD to do it. Do I need to really put the Windows CD for this purpose?

For roll-back to the CPU driver, it said there is no roll-back one for me to do it.

Please help!
 
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