PAL.C.T MINI SHELL
#!/usr/bin/stap
global nfsd_unlink_active, vsf_unlink_success
probe nfsd.unlink
{
nfsd_unlink_active[tid()] = 1;
}
probe nfsd.unlink.return
{
if (vsf_unlink_success[tid()]) {
printf("address %s unlinks %s\n",
ip_ntop(addr_from_rqst($rqstp)),
kernel_string($fname))
delete vsf_unlink_success[tid()]
}
delete nfsd_unlink_active[tid()]
}
probe kernel.function("vfs_unlink").return
{
if (nfsd_unlink_active[tid()] && $return == 0)
vsf_unlink_success[tid()] = 1
}
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