1#!/bin/sh
2# description: event trigger - test multiple histogram triggers
3
4do_reset() {
5    reset_trigger
6    echo > set_event
7    clear_trace
8}
9
10fail() { #msg
11    do_reset
12    echo $1
13    exit $FAIL
14}
15
16if [ ! -f set_event -o ! -d events/sched ]; then
17    echo "event tracing is not supported"
18    exit_unsupported
19fi
20
21if [ ! -f events/sched/sched_process_fork/trigger ]; then
22    echo "event trigger is not supported"
23    exit_unsupported
24fi
25
26if [ ! -f events/sched/sched_process_fork/hist ]; then
27    echo "hist trigger is not supported"
28    exit_unsupported
29fi
30
31reset_tracer
32do_reset
33
34reset_trigger
35
36echo "Test histogram multiple tiggers"
37
38echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
39echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger
40for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
41grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
42    fail "hist trigger on sched_process_fork did not work"
43grep child events/sched/sched_process_fork/hist > /dev/null || \
44    fail "hist trigger on sched_process_fork did not work"
45COMM=`cat /proc/$$/comm`
46grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
47    fail "string key on sched_process_fork did not work"
48
49reset_trigger
50
51echo "Test histogram with its name"
52
53echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger
54for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
55grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
56    fail "named event on sched_process_fork did not work"
57
58echo "Test same named histogram on different events"
59
60echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger
61for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
62grep test_hist events/sched/sched_process_exit/hist > /dev/null || \
63    fail "named event on sched_process_fork did not work"
64
65diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
66test $diffs -eq 0 || fail "Same name histograms are not same"
67
68reset_trigger
69
70do_reset
71
72exit 0
73