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c0777c5aa8
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> |
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| .. | ||
| bench | ||
| Documentation | ||
| scripts/perl | ||
| util | ||
| .gitignore | ||
| builtin-annotate.c | ||
| builtin-bench.c | ||
| builtin-buildid-list.c | ||
| builtin-help.c | ||
| builtin-kmem.c | ||
| builtin-list.c | ||
| builtin-probe.c | ||
| builtin-record.c | ||
| builtin-report.c | ||
| builtin-sched.c | ||
| builtin-stat.c | ||
| builtin-timechart.c | ||
| builtin-top.c | ||
| builtin-trace.c | ||
| builtin.h | ||
| command-list.txt | ||
| CREDITS | ||
| design.txt | ||
| Makefile | ||
| perf.c | ||
| perf.h | ||