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Re: Script run makes the system to hang


I gathered the results of each pass.
They are as follows:

root@nitin-desktop:/media/disk/kernel/Desktop/SystemTapProject/scripts/projectscripts#
stap -vvg /home/nitin/Desktop/demo/runqueue_time.stp > nitin
SystemTap translator/driver (version 0.9/0.131 non-git sources)
Copyright (C) 2005-2009 Red Hat, Inc. and others
This is free software; see the source for copying conditions.
Session arch: i686 release: 2.6.29-rc6-rt3
Created temporary directory "/tmp/stapnsNOYB"
Searched '/usr/local/share/systemtap/tapset/i686/*.stp', found 2
Searched '/usr/local/share/systemtap/tapset/*.stp', found 45
Pass 1: parsed user script and 47 library script(s) in 360usr/20sys/523real
ms.
probe finish_task_switch@kernel/sched.c:2850 kernel reloc=.dynamic
section=.text pc=0xc011ded2
probe activate_task@kernel/sched.c:1938 kernel reloc=.dynamic section=.text
pc=0xc011a9f7
probe deactivate_task@kernel/sched.c:1950 kernel reloc=.dynamic
section=.text pc=0xc011aa12
probe release_task@kernel/exit.c:176 kernel reloc=.dynamic section=.text
pc=0xc01257ec
probe release_task@kernel/exit.c:176 kernel reloc=.dynamic section=.text
pc=0xc01257ec
Pass 2: analyzed script: 10 probe(s), 14 function(s), 2 embed(s), 11
global(s) in 340usr/130sys/3487real ms.
Pass 3: using cached
/root/.systemtap/cache/29/stapconf_297666a7ea51531673cf30696f0e715a_117.h
probe_1389 locks nothing
probe_1390 locks runnabletime[w]
probe_1391 locks names[w] oncputime[w] runnabletime[rw] runqueuetime[rw]
probe_1392 locks runnabletime[w]
probe_1393 locks oncputime[rw] cputime[rw]
probe_1394 locks _dwarf_tvar_p_33_ctr[rw] _dwarf_tvar_p_33[rw]
_dwarf_tvar_p_32_ctr[rw] _dwarf_tvar_p_32[rw] names[r] cputime[rw]
runqueuetime[rw]
probe_1396 locks names[r] tstamp[rw] cputime[r] runqueuetime[rw]
probe_1399 locks _dwarf_tvar_p_33_ctr[rw] _dwarf_tvar_p_33[w]
_dwarf_tvar_p_32_ctr[rw] _dwarf_tvar_p_32[w]
dump_unwindsyms kernel index=0 base=0xc0100000
Found build-id in kernel, length 20, end at 0xc0451a1c
Pass 3: translated to C into
"/tmp/stapnsNOYB/stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.c" in
910usr/50sys/1054real ms.
Running make -C "/lib/modules/2.6.29-rc6-rt3/build" M="/tmp/stapnsNOYB"
modules >/dev/null
Pass 4: compiled C into "stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.ko" in
4180usr/600sys/11940real ms.
Copying /tmp/stapnsNOYB/stapconf_297666a7ea51531673cf30696f0e715a_117.h to
/root/.systemtap/cache/29/stapconf_297666a7ea51531673cf30696f0e715a_117.h
Copying /tmp/stapnsNOYB/stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.ko to
/root/.systemtap/cache/e3/stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.ko
Copying /tmp/stapnsNOYB/stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.c to
/root/.systemtap/cache/e3/stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.c
Cache cleaning successful, removed entries:
/root/.systemtap/cache/68/stap_680091c4cfee0edc4e5b1689fe769a86_7352
Pass 5: starting run.
Running /usr/local/bin/staprun -v
/tmp/stapnsNOYB/stap_e3664fa6333b76ce7d5e80e8de5bcdfb_8077.ko
WARNING: Number of errors: 0, skipped probes: 3
stapio:cleanup_and_exit:336 detach=0
stapio:cleanup_and_exit:353 closing control channel
Pass 5: run completed in 10usr/20sys/374real ms.
Running rm -rf /tmp/stapnsNOYB
-- 
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