Hello Fio team,
Just some information.
Fio is always stuck several hours later. It takes a lot of cpu (62 % of the server) but do nothing concerning IO against hdisk and hba card.
If you need more information don't hesitate to ask.
Below output from topas and gdb:
Topas:
--------------------------------------------
Topas Monitor for host: XVIOS16
Tue Dec 29 15:00:31 2015 Interval: 2
CPU User% Kern% Wait% Idle% Physc Entc
ALL 60.1 3.0 0.0 36.8 1.01 101.3
Network KBPS I-Pack O-Pack KB-In KB-Out
Total 3.6 63.0 2.5 3.3 0.2
EVENTS/QUEUES FILE/TTY
Cswitch 722 Readch 2386
Syscall 22916 Writech 386
Reads 10 Rawin 0
Writes 3 Ttyout 272
Forks 0 Igets 0
Execs 0 Namei 212
Runqueue 1.0 Dirblk 0
Waitqueue 0.0
MEMORY
PAGING Real,MB 16384
Faults 40 % Comp 18
Steals 0 % Noncomp 50
PgspIn 0 % Client 50
PgspOut 0
PageIn 0 PAGING SPACE
PageOut 0 Size,MB 512
Sios 0 % Used 4
% Free 96
Disk Busy% KBPS TPS KB-Read KB-Writ
hdisk3 0.0 0.0 0.0 0.0 0.0
hdisk2 0.0 0.0 0.0 0.0 0.0
hdisk4 0.0 0.0 0.0 0.0 0.0
hdisk1 0.0 0.0 0.0 0.0 0.0
hdisk0 0.0 0.0 0.0 0.0 0.0
hdisk6 0.0 0.0 0.0 0.0 0.0
hdisk9 0.0 0.0 0.0 0.0 0.0
hdisk10 0.0 0.0 0.0 0.0 0.0
hdisk5 0.0 0.0 0.0 0.0 0.0
hdisk7 0.0 0.0 0.0 0.0 0.0
NFS (calls/sec)
SerV2 0 WPAR Activ 0
CliV2 0 WPAR Total 0
SerV3 0 Press: "h"-help
CliV3 0 "q"-quit
SerV4 0
CliV4 0
FileSystem KBPS TPS KB-Read KB-Writ
Total 2.3 9.5 2.3 0.0
Name PID CPU% PgSp Owner
fio 11468956 62.6 4.3 root
sched 196614 0.0 0.4 root
vio_daem 10682558 0.0 46.1 root
seaproc 3997822 0.0 1.0 root
java 9764964 0.0 84.1 root
syncd 3538998 0.0 0.6 root
getty 9830486 0.0 0.7 root
sshd 9306218 0.0 1.2 padmin
solid 7995450 0.0 40.0 root
gil 2555982 0.0 0.9 root
posix_ai 53411958 0.0 0.4 root
posix_ai 19529906 0.0 0.4 root
posix_ai 58982424 0.0 0.4 root
fio 3015098 0.0 2.7 root
posix_ai 64946350 0.0 0.4 root
posix_ai 39976972 0.0 0.4 root
topas 1180092 0.0 8.7 root
posix_ai 57737462 0.0 0.4 root
posix_ai 27787362 0.0 0.4 root
posix_ai 44302422 0.0 0.4 root
gdb output:
-----------------------------
# ps -ef | grep fio
root 11468956 39518300 120 02:47:26 pts/1 468:59 /home/padmin/fio/fio-2c2c93d/fio myfio.fio
root 44105746 11206870 0 15:23:58 pts/0 0:00 grep fio
root 3015098 11141224 0 03:24:48 pts/0 0:28 fio myfio.fio
# gdb /home/padmin/fio/fio-2c2c93d/fio 3015098
GNU gdb (GDB) 7.8.1
Copyright (C) 2014 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
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There is NO WARRANTY, to the extent permitted by law. Type "show copying"
and "show warranty" for details.
This GDB was configured as "powerpc-ibm-aix5.1.0.0".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<http://www.gnu.org/software/gdb/bugs/>.
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For help, type "help".
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Reading symbols from /home/padmin/fio/fio-2c2c93d/fio...done.
Attaching to program: /home/padmin/fio/fio-2c2c93d/fio, process 3015098
[New Thread 1]
[New Thread 258]
[Switching to Thread 258]
0xd051d470 in _p_nsleep () from /usr/lib/libpthread.a(shr_xpg5.o)
(gdb) bt
#0 0xd051d470 in _p_nsleep () from /usr/lib/libpthread.a(shr_xpg5.o)
#1 0xd011f3e8 in nsleep () from /usr/lib/libc.a(shr.o)
#2 0xd011ee38 in usleep () from /usr/lib/libc.a(shr.o)
#3 0x10001110 in fio_set_fd_nonblocking (fd=805309560, who=0x0) at libfio.c:285
#4 0xd0505c10 in _pthread_body () from /usr/lib/libpthread.a(shr_xpg5.o)
#5 0x00000000 in ?? ()
(gdb)
Regards,
Thierry--
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