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registration error + probe overhead exceeded threshold error.....
- From: Peter Teoh <htmldeveloper at gmail dot com>
- To: SystemTAP <systemtap at sources dot redhat dot com>
- Date: Sun, 12 Apr 2009 12:09:40 -0400
- Subject: registration error + probe overhead exceeded threshold error.....
While stap my script, i got the following errors - can someone explain why?
error 1: registration error
error 2: ERROR: probe overhead exceeded threshold
Thanks!!!
WARNING: probe module("kvm").function("kvm_vcpu_init@arch/x86/kvm/../../../virt/kvm/kvm_main.c:617").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=153
WARNING: probe module("kvm").function("kvm_handle_fault_on_reboot@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2103").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=143
WARNING: probe module("kvm").function("kvm_vcpu_release@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1517").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=147
WARNING: probe module("kvm").function("kvm_free_physmem_slot@arch/x86/kvm/../../../virt/kvm/kvm_main.c:840").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=139
WARNING: probe module("kvm").function("kvm_vm_fault@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1931").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=139
WARNING: probe module("kvm").function("kvm_vm_ioctl@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1793").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=95
WARNING: probe module("kvm").function("kvm_io_bus_init").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=95
WARNING: probe module("kvm").function("kvm_is_mmio_pfn").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=145
WARNING: probe module("kvm").function("kvm_set_page_dirty@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1279").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=135
WARNING: probe module("kvm").function("kvm_exit@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2389").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=142
WARNING: probe module("kvm").function("kvm_free_physmem@arch/x86/kvm/../../../virt/kvm/kvm_main.c:857").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=147
WARNING: probe module("kvm").function("kvm_set_pfn_accessed@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1295").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=144
WARNING: probe module("kvm").function("kvm_set_pfn_dirty@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1285").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=140
WARNING: probe module("kvm").function("kvm_dev_ioctl@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2001").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=138
WARNING: probe module("kvm").function("kvm_suspend@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2238").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=139
WARNING: probe module("kvm").function("kvm_sched_in@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2270").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=141
WARNING: probe module("kvm").function("kvm_exit_debug@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2229").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=142
WARNING: probe module("kvm").function("kvm_cpu_hotplug@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2077").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=141
WARNING: probe module("kvm").function("kvm_vcpu_block@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1453").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=163
WARNING: probe module("kvm").function("kvm_mmu_notifier_invalidate_range_end@arch/x86/kvm/../../../virt/kvm/kvm_main.c:723").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=164
WARNING: probe module("kvm").function("kvm_assigned_dev_interrupt_work_handler@arch/x86/kvm/../../../virt/kvm/kvm_main.c:99").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=141
WARNING: probe module("kvm").function("kvm_read_guest@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1333").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=145
WARNING: probe module("kvm").function("kvm_io_bus_destroy@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2139").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=148
WARNING: probe module("kvm").function("kvm_read_guest_atomic@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1354").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=147
WARNING: probe module("kvm").function("kvm_write_guest_page@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1374").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=147
WARNING: probe module("kvm").function("kvm_flush_remote_tlbs@arch/x86/kvm/../../../virt/kvm/kvm_main.c:606").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=148
WARNING: probe module("kvm").function("kvm_reload_remote_mmus@arch/x86/kvm/../../../virt/kvm/kvm_main.c:612").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=158
WARNING: probe module("kvm").function("kvm_mmu_notifier_invalidate_page@arch/x86/kvm/../../../virt/kvm/kvm_main.c:662").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=140
WARNING: probe module("kvm").function("kvm_vcpu_mmap@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1511").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=148
WARNING: probe module("kvm").function("kvm_release_pfn_dirty@arch/x86/kvm/../../../virt/kvm/kvm_main.c:1272").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=150
WARNING: probe module("kvm").function("kvm_io_bus_register_dev@arch/x86/kvm/../../../virt/kvm/kvm_main.c:2165").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=150
WARNING: probe module("kvm").function("kvm_mmu_notifier_release@arch/x86/kvm/../../../virt/kvm/kvm_main.c:764").call
registration error (rc -22)
stapio:stp_main_loop:443 nb=46
ERROR: probe overhead exceeded threshold
--
Regards,
Peter Teoh