* How to interpret stacktrace
@ 2012-10-06 10:19 domenico.dileo
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From: domenico.dileo @ 2012-10-06 10:19 UTC (permalink / raw)
To: systemtap
When executing the command print_stack we get something like:
0xc0191730 : fget_light+0x0/0xb0 [kernel]
0xc04f4243 : kretprobe_trampoline+0x0/0x3d [kernel]
0xda64efa0
0xc019cfd9 : do_sys_poll+0x179/0x380 [kernel]
0xc019cfd9 : do_sys_poll+0x179/0x380 [kernel]
0xc04f4243 : kretprobe_trampoline+0x0/0x3d [kernel]
0xc018c880 : kmem_cache_alloc+0x0/0x110 [kernel]
0xc04f4243 : kretprobe_trampoline+0x0/0x3d [kernel]
0xc04f4243 : kretprobe_trampoline+0x0/0x3d [kernel]
0xdde8bdc8
0xddd06388
Firstly, what addresses 0xd... refer to?
I tried to find them among the kernel symbols with no success.
Sometimes I also have addresses like 0xc... that I can't find among symbols.
Secondly, Why do_sys_poll (similarly other functions) appear twice?
Thank you.
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