xref: /linux/tools/testing/selftests/rseq/run_param_test.sh (revision 4fd18fc38757217c746aa063ba9e4729814dc737) 
1#!/bin/bash
2# SPDX-License-Identifier: GPL-2.0+ or MIT
3
4NR_CPUS=`grep '^processor' /proc/cpuinfo | wc -l`
5
6EXTRA_ARGS=${@}
7
8OLDIFS="$IFS"
9IFS=$'\n'
10TEST_LIST=(
11	"-T s"
12	"-T l"
13	"-T b"
14	"-T b -M"
15	"-T m"
16	"-T m -M"
17	"-T i"
18	"-T r"
19)
20
21TEST_NAME=(
22	"spinlock"
23	"list"
24	"buffer"
25	"buffer with barrier"
26	"memcpy"
27	"memcpy with barrier"
28	"increment"
29	"membarrier"
30)
31IFS="$OLDIFS"
32
33REPS=1000
34SLOW_REPS=100
35NR_THREADS=$((6*${NR_CPUS}))
36
37function do_tests()
38{
39	local i=0
40	while [ "$i" -lt "${#TEST_LIST[@]}" ]; do
41		echo "Running test ${TEST_NAME[$i]}"
42		./param_test ${TEST_LIST[$i]} -r ${REPS} -t ${NR_THREADS} ${@} ${EXTRA_ARGS} || exit 1
43		echo "Running compare-twice test ${TEST_NAME[$i]}"
44		./param_test_compare_twice ${TEST_LIST[$i]} -r ${REPS} -t ${NR_THREADS} ${@} ${EXTRA_ARGS} || exit 1
45		let "i++"
46	done
47}
48
49echo "Default parameters"
50do_tests
51
52echo "Loop injection: 10000 loops"
53
54OLDIFS="$IFS"
55IFS=$'\n'
56INJECT_LIST=(
57	"1"
58	"2"
59	"3"
60	"4"
61	"5"
62	"6"
63	"7"
64	"8"
65	"9"
66)
67IFS="$OLDIFS"
68
69NR_LOOPS=10000
70
71i=0
72while [ "$i" -lt "${#INJECT_LIST[@]}" ]; do
73	echo "Injecting at <${INJECT_LIST[$i]}>"
74	do_tests -${INJECT_LIST[i]} ${NR_LOOPS}
75	let "i++"
76done
77NR_LOOPS=
78
79function inject_blocking()
80{
81	OLDIFS="$IFS"
82	IFS=$'\n'
83	INJECT_LIST=(
84		"7"
85		"8"
86		"9"
87	)
88	IFS="$OLDIFS"
89
90	NR_LOOPS=-1
91
92	i=0
93	while [ "$i" -lt "${#INJECT_LIST[@]}" ]; do
94		echo "Injecting at <${INJECT_LIST[$i]}>"
95		do_tests -${INJECT_LIST[i]} -1 ${@}
96		let "i++"
97	done
98	NR_LOOPS=
99}
100
101echo "Yield injection (25%)"
102inject_blocking -m 4 -y
103
104echo "Yield injection (50%)"
105inject_blocking -m 2 -y
106
107echo "Yield injection (100%)"
108inject_blocking -m 1 -y
109
110echo "Kill injection (25%)"
111inject_blocking -m 4 -k
112
113echo "Kill injection (50%)"
114inject_blocking -m 2 -k
115
116echo "Kill injection (100%)"
117inject_blocking -m 1 -k
118
119echo "Sleep injection (1ms, 25%)"
120inject_blocking -m 4 -s 1
121
122echo "Sleep injection (1ms, 50%)"
123inject_blocking -m 2 -s 1
124
125echo "Sleep injection (1ms, 100%)"
126inject_blocking -m 1 -s 1
127