Messages in this thread | | | Date | Wed, 26 Aug 2009 12:52:22 -0700 | From | Darren Hart <> | Subject | trace-cmd memory corruption |
| |
Hi Steven,
From latest trace-cmd git as of today. prio-wake is from the LTP realtime testsuite testcases/realtime/func/prio-wake.
$ sudo ~/bin/trace-cmd record -p sched_switch -d ./prio-wake plugin sched_switch *** glibc detected *** /home/dvhart/bin/trace-cmd: malloc(): memory corruption: 0x00000000006cc0c0 *** ======= Backtrace: ========= /lib64/libc.so.6[0x7f80d34a14ac] /lib64/libc.so.6(__libc_malloc+0x7a)[0x7f80d34a302a] /home/dvhart/bin/trace-cmd[0x401893] /home/dvhart/bin/trace-cmd[0x401af1] /home/dvhart/bin/trace-cmd[0x401f11] /home/dvhart/bin/trace-cmd[0x403b24] /lib64/libc.so.6(__libc_start_main+0xf4)[0x7f80d344c974] /home/dvhart/bin/trace-cmd[0x4014b9] ======= Memory map: ======== 00400000-0040f000 r-xp 00000000 08:03 538635 /home/dvhart/bin/trace-cmd 0060e000-0060f000 rw-p 0000e000 08:03 538635 /home/dvhart/bin/trace-cmd 006cb000-006ec000 rw-p 00000000 00:00 0 [heap] 7f80cc000000-7f80cc021000 rw-p 00000000 00:00 0 7f80cc021000-7f80d0000000 ---p 00000000 00:00 0 7f80d3221000-7f80d322e000 r-xp 00000000 08:03 114522 /lib64/libgcc_s-4.1.2-20080825.so.1 7f80d322e000-7f80d342e000 ---p 0000d000 08:03 114522 /lib64/libgcc_s-4.1.2-20080825.so.1 7f80d342e000-7f80d342f000 rw-p 0000d000 08:03 114522 /lib64/libgcc_s-4.1.2-20080825.so.1 7f80d342f000-7f80d357b000 r-xp 00000000 08:03 114301 /lib64/libc-2.5.so 7f80d357b000-7f80d377b000 ---p 0014c000 08:03 114301 /lib64/libc-2.5.so 7f80d377b000-7f80d377f000 r--p 0014c000 08:03 114301 /lib64/libc-2.5.so 7f80d377f000-7f80d3780000 rw-p 00150000 08:03 114301 /lib64/libc-2.5.so 7f80d3780000-7f80d3785000 rw-p 00000000 00:00 0 7f80d3785000-7f80d37a1000 r-xp 00000000 08:03 114508 /lib64/ld-2.5.so 7f80d3987000-7f80d3989000 rw-p 00000000 00:00 0 7f80d399e000-7f80d39a0000 rw-p 00000000 00:00 0 7f80d39a0000-7f80d39a1000 r--p 0001b000 08:03 114508 /lib64/ld-2.5.so 7f80d39a1000-7f80d39a2000 rw-p 0001c000 08:03 114508 /lib64/ld-2.5.so 7fffcba0c000-7fffcba21000 rw-p 00000000 00:00 0 [stack] 7fffcba3c000-7fffcba3d000 r-xp 00000000 00:00 0 [vdso] ffffffffff600000-ffffffffff601000 r-xp 00000000 00:00 0 [vsyscall] Aborted
If it's relevant: $ cat /debug/tracing/available_tracers syscall blk power function_graph wakeup_rt wakeup function sysprof sched_switch nop
-- Darren Hart IBM Linux Technology Center Real-Time Linux Team
| |