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problem in probing tcp !!
- From: ch huang <justlooks at gmail dot com>
- To: systemtap at sourceware dot org
- Date: Fri, 16 Mar 2012 16:26:07 +0800
- Subject: problem in probing tcp !!
i try probing tcp use following script,but get error ,this OS on our
production host,so i miss something?
# rpm -qa|grep kernel
kernel-devel-2.6.18-92.el5
kernel-xen-2.6.18-92.el5
kernel-debuginfo-2.6.18-92.el5
kernel-xen-devel-2.6.18-92.el5
kernel-headers-2.6.18-92.el5
kernel-debuginfo-common-2.6.18-92.el5
# cat test.stp
probe tcp.recvmsg {
printf("%s: socket %d, size %d\n",execname(),sock,size)
}
# stap test.stp
semantic error: missing x86_64 kernel/module debuginfo under
'/lib/modules/2.6.18-92.el5xen/build' while resolving probe point
kernel.function("tcp_recvmsg")
semantic error: no match while resolving probe point tcp.recvmsg
Pass 2: analysis failed. Try again with another '--vp 01' option.