2 # description: event trigger - test multiple histogram triggers
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"
36 echo "Test histogram multiple tiggers"
38 echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
39 echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger
40 for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
41 grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
42 fail "hist trigger on sched_process_fork did not work"
43 grep child events/sched/sched_process_fork/hist > /dev/null || \
44 fail "hist trigger on sched_process_fork did not work"
45 COMM=`cat /proc/$$/comm`
46 grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
47 fail "string key on sched_process_fork did not work"
51 echo "Test histogram with its name"
53 echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger
54 for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
55 grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
56 fail "named event on sched_process_fork did not work"
58 echo "Test same named histogram on different events"
60 echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger
61 for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
62 grep test_hist events/sched/sched_process_exit/hist > /dev/null || \
63 fail "named event on sched_process_fork did not work"
65 diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
66 test $diffs -eq 0 || fail "Same name histograms are not same"