2 # description: event trigger - test histogram modifiers
16 if [ ! -f set_event
-o ! -d events
/sched
]; then
17 echo "event tracing is not supported"
21 if [ ! -f events
/sched
/sched_process_fork
/trigger
]; then
22 echo "event trigger is not supported"
26 if [ ! -f events
/sched
/sched_process_fork
/hist
]; then
27 echo "hist trigger is not supported"
34 echo "Test histogram with execname modifier"
36 echo 'hist:keys=common_pid.execname' > events
/sched
/sched_process_fork
/trigger
37 for i
in `seq 1 10` ; do ( echo "forked" > /dev
/null
); done
38 COMM
=`cat /proc/$$/comm`
39 grep "common_pid: $COMM" events
/sched
/sched_process_fork
/hist
> /dev
/null || \
40 fail
"execname modifier on sched_process_fork did not work"
44 echo "Test histogram with hex modifier"
46 echo 'hist:keys=parent_pid.hex' > events
/sched
/sched_process_fork
/trigger
47 for i
in `seq 1 10` ; do ( echo "forked" > /dev
/null
); done
48 # Note that $$ is the parent pid. $PID is current PID.
50 grep "parent_pid: $HEX" events
/sched
/sched_process_fork
/hist
> /dev
/null || \
51 fail
"hex modifier on sched_process_fork did not work"
55 echo "Test histogram with syscall modifier"
57 echo 'hist:keys=id.syscall' > events
/raw_syscalls
/sys_exit
/trigger
58 for i
in `seq 1 10` ; do ( echo "forked" > /dev
/null
); done
59 grep "id: sys_" events
/raw_syscalls
/sys_exit
/hist
> /dev
/null || \
60 fail
"syscall modifier on raw_syscalls/sys_exit did not work"
65 echo "Test histgram with log2 modifier"
67 echo 'hist:keys=bytes_req.log2' > events
/kmem
/kmalloc
/trigger
68 for i
in `seq 1 10` ; do ( echo "forked" > /dev
/null
); done
69 grep 'bytes_req: ~ 2^[0-9]*' events
/kmem
/kmalloc
/hist
> /dev
/null || \
70 fail
"log2 modifier on kmem/kmalloc did not work"
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