From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 9518 invoked by alias); 17 Oct 2006 10:17:22 -0000 Received: (qmail 9501 invoked by uid 22791); 17 Oct 2006 10:17:17 -0000 X-Spam-Status: No, hits=-0.5 required=5.0 tests=AWL,BAYES_50,SPF_PASS X-Spam-Check-By: sourceware.org Received: from ausmtp05.au.ibm.com (HELO ausmtp05.au.ibm.com) (202.81.18.154) by sourceware.org (qpsmtpd/0.31) with ESMTP; Tue, 17 Oct 2006 10:17:10 +0000 Received: from sd0208e0.au.ibm.com (d23rh904.au.ibm.com [202.81.18.202]) by ausmtp05.au.ibm.com (8.13.8/8.13.6) with ESMTP id k9HAIm6t7397544 for ; Tue, 17 Oct 2006 20:18:54 +1000 Received: from d23av04.au.ibm.com (d23av04.au.ibm.com [9.190.250.237]) by sd0208e0.au.ibm.com (8.13.6/8.13.6/NCO v8.1.1) with ESMTP id k9HAIYil231036 for ; Tue, 17 Oct 2006 20:18:44 +1000 Received: from d23av04.au.ibm.com (loopback [127.0.0.1]) by d23av04.au.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id k9HAF8cZ019330 for ; Tue, 17 Oct 2006 20:15:08 +1000 Received: from [127.0.0.1] ([9.181.133.111]) by d23av04.au.ibm.com (8.12.11.20060308/8.12.11) with ESMTP id k9HAF3Q6019001 for ; Tue, 17 Oct 2006 20:15:06 +1000 Message-ID: <4534AD25.1050205@cn.ltcfwd.linux.ibm.com> Date: Tue, 17 Oct 2006 10:17:00 -0000 From: "Gui,Jian" User-Agent: Thunderbird 1.5.0.7 (Windows/20060909) MIME-Version: 1.0 To: systemtap@sources.redhat.com Subject: "no match" semantic error for some existing probe points Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-IsSubscribed: yes Mailing-List: contact systemtap-help@sourceware.org; run by ezmlm Precedence: bulk List-Subscribe: List-Post: List-Help: , Sender: systemtap-owner@sourceware.org X-SW-Source: 2006-q4/txt/msg00145.txt.bz2 In my ppc64/2.6.18: /root> stap -p2 -e 'probe kernel.function("ptrace_disable"){}' # probes kernel.function("ptrace_disable@arch/powerpc/kernel/ptrace.c:246") /root>stap -vvv -p2 -e 'probe kernel.function("ptrace_disable@arch/powerpc/kernel/ptrace.c:246"){}' Created temporary directory "/tmp/stapyDBwaZ" Searched '/usr/local/share/systemtap/tapset/2.6.18/ppc64/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/2.6.18/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/2.6/ppc64/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/2.6/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/ppc64/*.stp', match count 1 Searched '/usr/local/share/systemtap/tapset/*.stp', match count 33 Searched '/usr/local/share/systemtap/tapset/LKET/2.6.18/ppc64/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/LKET/2.6.18/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/LKET/2.6/ppc64/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/LKET/2.6/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/LKET/ppc64/*.stp', match count 0 Searched '/usr/local/share/systemtap/tapset/LKET/*.stp', match count 19 Pass 1: parsed user script and 53 library script(s) in 580usr/0sys/670real ms. parsed 'ptrace_disable@arch/powerpc/kernel/ptrace.c:246' -> func 'ptrace_disable', file 'arch/powerpc/kernel/ptrace.c', line 246 pattern 'kernel' matches module 'kernel' focused on module 'kernel' = [c000000000000000-c000000000801200, bias 0] selected source file 'arch/powerpc/kernel/ptrace.c' pattern 'ptrace_disable' matches function 'ptrace_disable' selected function ptrace_disable prologue searching function 'ptrace_disable' 0xc000000000009db0-0xc000000000009dec@arch/powerpc/kernel/ptrace.c:246 checking line record 0xc000000000009db0@arch/powerpc/kernel/ptrace-common.h:67 prologue found function 'ptrace_disable' (naked) = 0xc000000000009db0 pattern 'kernel' matches module 'kernel' semantic error: no match for probe point while: resolving probe point kernel.function("ptrace_disable@arch/powerpc/kernel/ptrace.c:246") Pass 2: analyzed script: 0 probe(s), 0 function(s), 0 global(s) in 640usr/60sys/789real ms. Pass 2: analysis failed. Try again with more '-v' (verbose) options. Running rm -rf /tmp/stapyDBwaZ It also failed in ppc64/2.6.17.9, but succeeded in i686/2.6.18.1. Did anyone encouter similar problem before? In addition to ptrace_disable, the following probe points also have the same problem: kernel.function("module_arch_cleanup@arch/powerpc/kernel/module_64.c:446") kernel.function("pcibus_to_node@arch/powerpc/kernel/pci_64.c:1449") kernel.function("iowrite16@arch/powerpc/kernel/iomap.c:46") kernel.function("iowrite32@arch/powerpc/kernel/iomap.c:54") kernel.function("flush_dcache_page@arch/powerpc/mm/mem.c:414") kernel.function("mpic_end_ipi@arch/powerpc/sysdev/mpic.c:629") kernel.function("oops_exit@kernel/panic.c:270") kernel.function("sys_waitpid@kernel/exit.c:1649") kernel.function("thread_cpu_nsleep@kernel/posix-cpu-timers.c:1544") kernel.function("rt_mutex_destroy@kernel/rtmutex.c:910") kernel.function("_spin_unlock@kernel/spinlock.c:306") kernel.function("_read_unlock@kernel/spinlock.c:322") kernel.function("_read_unlock_irq@kernel/spinlock.c:366") kernel.function("nr_free_pagecache_pages@mm/page_alloc.c:1186") kernel.function("kern_mount@fs/super.c:882") kernel.function("page_symlink@fs/namei.c:2701") kernel.function("get_inotify_watch@fs/inotify.c:103") kernel.function("inotify_rm_watch@fs/inotify.c:714") kernel.function("reiserfs_update_inode_transaction@fs/reiserfs/journal.c:3703") kernel.function("indirect_decrement_key@fs/reiserfs/item_ops.c:225") kernel.function("direntry_decrement_key@fs/reiserfs/item_ops.c:370") kernel.function("ext3_follow_link@fs/ext3/symlink.c:27") kernel.function("jbd_sync_bh@fs/jbd/checkpoint.c:148") kernel.function("ext2_follow_link@fs/ext2/symlink.c:25") kernel.function("ext2_init_security@fs/ext2/xattr_security.c:51") kernel.function("nfs_increment_lock_seqid@fs/nfs/nfs4state.c:732") kernel.function("blk_queue_free_tags@block/ll_rw_blk.c:891") kernel.function("noop_merged_requests@block/noop-iosched.c:16") kernel.function("exit_as_io_context@block/as-iosched.c:210") kernel.function("fb_pad_aligned_buffer@drivers/video/fbmem.c:89") kernel.function("fb_firmware_edid@drivers/video/fbmon.c:1329") kernel.function("dummycon_dummy@drivers/video/console/dummycon.c:48") kernel.function("MGA1064_reset@drivers/video/matrox/matroxfb_DAC1064.c:684") kernel.function("mdio_write@drivers/net/3c59x.c:3061") kernel.function("tg3_write32@drivers/net/tg3.c:360") kernel.function("ide_mm_outb@drivers/ide/ide-iops.c:137") kernel.function("ide_mm_outw@drivers/ide/ide-iops.c:147") kernel.function("ide_mm_outl@drivers/ide/ide-iops.c:157") kernel.function("usb_kick_khubd@drivers/usb/core/hub.c:288") kernel.function("mon_stat_release@drivers/usb/mon/mon_stat.c:61") kernel.function("input_link_handle@drivers/input/input.c:300") kernel.function("dm_get@drivers/md/dm.c:1109") kernel.function("tcp_rtt_estimator@net/ipv4/tcp_input.c:555") kernel.function("tcp_v4_reqsk_send_ack@net/ipv4/tcp_ipv4.c:630")