1#!/bin/sh
2# SPDX-License-Identifier: GPL-2.0
3# description: event trigger - test multiple histogram triggers
4# requires: set_event events/sched/sched_process_fork/trigger events/sched/sched_process_fork/hist
5# flags: instance
6
7fail() { #msg
8    echo $1
9    exit_fail
10}
11
12echo "Test histogram multiple triggers"
13
14echo 'hist:keys=parent_pid:vals=child_pid' > events/sched/sched_process_fork/trigger
15echo 'hist:keys=parent_comm:vals=child_pid' >> events/sched/sched_process_fork/trigger
16for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
17grep parent_pid events/sched/sched_process_fork/hist > /dev/null || \
18    fail "hist trigger on sched_process_fork did not work"
19grep child events/sched/sched_process_fork/hist > /dev/null || \
20    fail "hist trigger on sched_process_fork did not work"
21COMM=`cat /proc/$$/comm`
22grep "parent_comm: $COMM" events/sched/sched_process_fork/hist > /dev/null || \
23    fail "string key on sched_process_fork did not work"
24
25reset_trigger
26
27echo "Test histogram with its name"
28
29echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_fork/trigger
30for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
31grep test_hist events/sched/sched_process_fork/hist > /dev/null || \
32    fail "named event on sched_process_fork did not work"
33
34echo "Test same named histogram on different events"
35
36echo 'hist:name=test_hist:keys=common_pid' > events/sched/sched_process_exit/trigger
37for i in `seq 1 10` ; do ( echo "forked" > /dev/null); done
38grep test_hist events/sched/sched_process_exit/hist > /dev/null || \
39    fail "named event on sched_process_fork did not work"
40
41diffs=`diff events/sched/sched_process_exit/hist events/sched/sched_process_fork/hist | wc -l`
42test $diffs -eq 0 || fail "Same name histograms are not same"
43
44exit 0
45