Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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