See stack_XIP.txt file.
When I do strace look like:
xi-ap2:~ # strace -cf -p 7592
Process 7592 attached - interrupt to quit
^CProcess 7592 detached
% time seconds usecs/call calls errors syscall
------ ----------- ----------- --------- --------- ----------------
100.00 0.016001 1333 12 io_submit
0.00 0.000000 0 8 read
0.00 0.000000 0 10 write
0.00 0.000000 0 16 open
0.00 0.000000 0 16 close
0.00 0.000000 0 6 stat
0.00 0.000000 0 9 lstat
0.00 0.000000 0 3 mmap
0.00 0.000000 0 3 munmap
0.00 0.000000 0 5 rt_sigprocmask
0.00 0.000000 0 1 1 rt_sigreturn
0.00 0.000000 0 19 pread
0.00 0.000000 0 2 pwrite
0.00 0.000000 0 3 select
0.00 0.000000 0 5 semctl
0.00 0.000000 0 6 fcntl
0.00 0.000000 0 164 getrusage
0.00 0.000000 0 350 times
0.00 0.000000 0 1 getuid
0.00 0.000000 0 1 geteuid
0.00 0.000000 0 1 getppid
0.00 0.000000 0 12 io_getevents
0.00 0.000000 0 84 82 semtimedop
------ ----------- ----------- --------- --------- ----------------
100.00 0.016001 737
but, when system crash, strace suspend, and show nothink.
Best regards
Paweł