2 # SPDX-License-Identifier: GPL-2.0
3 # description: event trigger - test multiple histogram triggers
18 if [ ! -f set_event -o ! -d events/sched ]; then
19 echo "event tracing is not supported"
23 if [ ! -f events/sched/sched_process_fork/trigger ]; then
24 echo "event trigger is not supported"
28 if [ ! -f events/sched/sched_process_fork/hist ]; then
29 echo "hist trigger is not supported"
38 echo "Test histogram multiple tiggers"
40 echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
41 echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger
42 for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
43 grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
44 fail "hist trigger on sched_process_fork did not work"
45 grep child events/sched/sched_process_fork/hist > /dev/null || \
46 fail "hist trigger on sched_process_fork did not work"
47 COMM=`cat /proc/$$/comm`
48 grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
49 fail "string key on sched_process_fork did not work"
53 echo "Test histogram with its name"
55 echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger
56 for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
57 grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
58 fail "named event on sched_process_fork did not work"
60 echo "Test same named histogram on different events"
62 echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger
63 for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
64 grep test_hist events/sched/sched_process_exit/hist > /dev/null || \
65 fail "named event on sched_process_fork did not work"
67 diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
68 test $diffs -eq 0 || fail "Same name histograms are not same"