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| author | Xiao Guangrong <xiaoguangrong@cn.fujitsu.com> | 2009-12-07 04:04:49 (GMT) |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-12-07 05:26:22 (GMT) |
| commit | c0777c5aa835a97ccc77d82e55388940f0140a61 (patch) | |
| tree | c81079cba831d221c13ae8ce427fe329bff40e78 /lib/bust_spinlocks.c | |
| parent | b9b1e1c71a9481c0c34ed5bed42f1bfa730fd39e (diff) | |
| download | linux-c0777c5aa835a97ccc77d82e55388940f0140a61.tar.xz | |
perf/sched: Fix 'perf sched trace'
If we use 'perf sched trace', it will call symbol__init() again,
and can lead to a perf tool crash:
[root@localhost perf]# ./perf sched trace
*** glibc detected *** ./perf: free(): invalid next size (normal): 0x094c1898 ***
======= Backtrace: =========
/lib/libc.so.6[0xb7602404]
/lib/libc.so.6(cfree+0x96)[0xb76043b6]
./perf[0x80730fe]
./perf[0x8074c97]
./perf[0x805eb59]
./perf[0x80536fd]
./perf[0x804b618]
./perf[0x804bdc3]
/lib/libc.so.6(__libc_start_main+0xe5)[0xb75a9735]
./perf[0x804af81]
======= Memory map: ========
08048000-08158000 r-xp 00000000 fe:00 556831 /home/eric/....
08158000-08168000 rw-p 0010f000 fe:00 556831 /home/eric/...
08168000-085fe000 rw-p 00000000 00:00 0
094ab000-094cc000 rw-p 00000000 00:00 0 [heap]
Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
LKML-Reference: <4B1C7EE1.8030906@cn.fujitsu.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'lib/bust_spinlocks.c')
0 files changed, 0 insertions, 0 deletions