I believe enable systemtap will be very helpful for debugging.But I
encountered belowing error when enable systemtap support:
*emantic error: probe point mismatch at position 0 (alternatives: __nfs
__scheduler __signal __tcpmib __vm _linuxmib _signal _sunrpc _syscall
_vfs begin begin(number) end end(number) error error(number) generic
ioblock ioblock_trace ioscheduler ioscheduler_trace ipmib irq_handler
kernel kprobe kprocess linuxmib module(string) nd_syscall netdev never
nfs nfsd perf process process(number) process(string) procfs
procfs(string) scheduler scsi signal socket softirq stap staprun sunrpc
syscall tcp tcpmib timer tty udp vfs vm workqueue): identifier 'libvirt'
at :130:7 while resolving probe point libvirt.event_poll.run
source: probe libvirt.event_poll.run {
^
Pass 2: analysis failed. Try again with another '--vp 01' option.
*Here's my environment:
* Ubuntu 11.04 amd64
configured --with-dtrace --enable-shared=no --with-pic(fPIC flag
also tried)
dtrace installed and compile probe with dtrace -64*
Would somebody pls give me some advice with this systemtap issue?
Thanks a lot!
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