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From: Wenji Huang <wenji.huang@oracle.com>
To: systemTAP <systemtap@sources.redhat.com>
Subject: strange fail in examples/proc_snoop.stp
Date: Wed, 26 Sep 2007 12:04:00 -0000	[thread overview]
Message-ID: <46FA2913.1080307@oracle.com> (raw)

Hi,

Found strange error in my box  i686, 2.6.22.6, gcc 4.1.1 20070105

stap -vv proc_snoop.stp
SystemTap translator/driver (version 0.6/0.127 built 2007-09-07)
Copyright (C) 2005-2007 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
Created temporary directory "/tmp/stapZmhzGJ"
Searched '/usr/local/share/systemtap/tapset/i686/*.stp', found 1
Searched '/usr/local/share/systemtap/tapset/*.stp', found 36
Pass 1: parsed user script and 37 library script(s) in 
20usr/280sys/311real ms.
probe copy_process@kernel/fork.c:961 kernel section=.text pc=0xc0118f08
probe schedule_tail@kernel/sched.c:1932 kernel section=.text pc=0xc0117a11
probe do_execve@fs/exec.c:1154 kernel section=.text pc=0xc0159c3a
probe do_execve@fs/exec.c:1154 kernel section=.text pc=0xc0159c3a
probe do_exit@kernel/exit.c:863 kernel section=.text pc=0xc011d276
probe release_task@kernel/exit.c:154 kernel section=.text pc=0xc011c579
probe __group_send_sig_info@kernel/signal.c:912 kernel section=.text 
pc=0xc0122d65
probe send_group_sigqueue@kernel/signal.c:1337 kernel section=.text 
pc=0xc01231fc
probe send_sigqueue@kernel/signal.c:1281 kernel section=.text pc=0xc01249fa
probe specific_send_sig_info@kernel/signal.c:724 kernel section=.text 
pc=0xc01235eb
probe handle_signal@arch/i386/kernel/signal.c:512 kernel section=.text 
pc=0xc01027db
semantic error: failed to retrieve location attribute for local 'sig' 
(dieoffset: 0x60941): identifier '$sig' at 
/usr/local/share/systemtap/tapset/signal.stp:390:11
semantic error: failed to retrieve location attribute for local 'sig' 
(dieoffset: 0x60941): identifier '$sig' at 
/usr/local/share/systemtap/tapset/signal.stp:391:29
semantic error: failed to retrieve location attribute for local 'info' 
(dieoffset: 0x6093c): identifier '$info' at 
/usr/local/share/systemtap/tapset/signal.stp:392:13
semantic error: failed to retrieve location attribute for local 'info' 
(dieoffset: 0x6093c): identifier '$info' at 
/usr/local/share/systemtap/tapset/signal.stp:393:16

Same error in x86_64, 2.6.23-rc4.

Couldn't find handle_signal in cat /proc/kallsyms or nm vmlinux. Seems 
no probe point match should be reported.

So very weird.

Thanks,
wenji

             reply	other threads:[~2007-09-26  9:46 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2007-09-26 12:04 Wenji Huang [this message]
2007-09-26 14:49 ` Andy Gospodarek
2007-09-26 15:33 ` Frank Ch. Eigler

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