1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
3 # 3 #
4 # Special test cases reported by people 4 # Special test cases reported by people
5 5
6 # Testcase 1: Reported here: http://marc.info/ 6 # Testcase 1: Reported here: http://marc.info/?l=linux-pm&m=140618592709858&w=2
7 7
8 # protect against multiple inclusion 8 # protect against multiple inclusion
9 if [ $FILE_SPECIAL ]; then 9 if [ $FILE_SPECIAL ]; then
10 return 0 10 return 0
11 else 11 else
12 FILE_SPECIAL=DONE 12 FILE_SPECIAL=DONE
13 fi 13 fi
14 14
15 source cpu.sh 15 source cpu.sh
16 source cpufreq.sh 16 source cpufreq.sh
17 source governor.sh 17 source governor.sh
18 18
19 # Test 1 19 # Test 1
20 # $1: policy 20 # $1: policy
21 __simple_lockdep() 21 __simple_lockdep()
22 { 22 {
23 # switch to ondemand 23 # switch to ondemand
24 __switch_governor $1 "ondemand" 24 __switch_governor $1 "ondemand"
25 25
26 # cat ondemand files 26 # cat ondemand files
27 local ondir=$(find_gov_directory $1 "o 27 local ondir=$(find_gov_directory $1 "ondemand")
28 if [ -z $ondir ]; then 28 if [ -z $ondir ]; then
29 printf "${FUNCNAME[0]}Ondemand 29 printf "${FUNCNAME[0]}Ondemand directory not created, quit"
30 return 30 return
31 fi 31 fi
32 32
33 cat $ondir/* 33 cat $ondir/*
34 34
35 # switch to conservative 35 # switch to conservative
36 __switch_governor $1 "conservative" 36 __switch_governor $1 "conservative"
37 } 37 }
38 38
39 simple_lockdep() 39 simple_lockdep()
40 { 40 {
41 printf "** Test: Running ${FUNCNAME[0] 41 printf "** Test: Running ${FUNCNAME[0]} **\n"
42 42
43 for_each_policy __simple_lockdep 43 for_each_policy __simple_lockdep
44 } 44 }
45 45
46 # Test 2 46 # Test 2
47 # $1: policy 47 # $1: policy
48 __concurrent_lockdep() 48 __concurrent_lockdep()
49 { 49 {
50 for i in `seq 0 100`; do 50 for i in `seq 0 100`; do
51 __simple_lockdep $1 51 __simple_lockdep $1
52 done 52 done
53 } 53 }
54 54
55 concurrent_lockdep() 55 concurrent_lockdep()
56 { 56 {
57 printf "** Test: Running ${FUNCNAME[0] 57 printf "** Test: Running ${FUNCNAME[0]} **\n"
58 58
59 for_each_policy_concurrent __concurren 59 for_each_policy_concurrent __concurrent_lockdep
60 } 60 }
61 61
62 # Test 3 62 # Test 3
63 quick_shuffle() 63 quick_shuffle()
64 { 64 {
65 # this is called concurrently from gov 65 # this is called concurrently from governor_race
66 for I in `seq 1000` 66 for I in `seq 1000`
67 do 67 do
68 echo ondemand | sudo tee $CPUF 68 echo ondemand | sudo tee $CPUFREQROOT/policy*/scaling_governor &
69 echo userspace | sudo tee $CPU 69 echo userspace | sudo tee $CPUFREQROOT/policy*/scaling_governor &
70 done 70 done
71 } 71 }
72 72
73 governor_race() 73 governor_race()
74 { 74 {
75 printf "** Test: Running ${FUNCNAME[0] 75 printf "** Test: Running ${FUNCNAME[0]} **\n"
76 76
77 # run 8 concurrent instances 77 # run 8 concurrent instances
78 for I in `seq 8` 78 for I in `seq 8`
79 do 79 do
80 quick_shuffle & 80 quick_shuffle &
81 done 81 done
82 } 82 }
83 83
84 # Test 4 84 # Test 4
85 # $1: cpu 85 # $1: cpu
86 hotplug_with_updates_cpu() 86 hotplug_with_updates_cpu()
87 { 87 {
88 local filepath="$CPUROOT/$1/cpufreq" 88 local filepath="$CPUROOT/$1/cpufreq"
89 89
90 # switch to ondemand 90 # switch to ondemand
91 __switch_governor_for_cpu $1 "ondemand 91 __switch_governor_for_cpu $1 "ondemand"
92 92
93 for i in `seq 1 5000` 93 for i in `seq 1 5000`
94 do 94 do
95 reboot_cpu $1 95 reboot_cpu $1
96 done & 96 done &
97 97
98 local freqs=$(cat $filepath/scaling_av 98 local freqs=$(cat $filepath/scaling_available_frequencies)
99 local oldfreq=$(cat $filepath/scaling_ 99 local oldfreq=$(cat $filepath/scaling_min_freq)
100 100
101 for j in `seq 1 5000` 101 for j in `seq 1 5000`
102 do 102 do
103 # Set all frequencies one-by-o 103 # Set all frequencies one-by-one
104 for freq in $freqs; do 104 for freq in $freqs; do
105 echo $freq > $filepath 105 echo $freq > $filepath/scaling_min_freq
106 done 106 done
107 done 107 done
108 108
109 # restore old freq 109 # restore old freq
110 echo $oldfreq > $filepath/scaling_min_ 110 echo $oldfreq > $filepath/scaling_min_freq
111 } 111 }
112 112
113 hotplug_with_updates() 113 hotplug_with_updates()
114 { 114 {
115 for_each_non_boot_cpu hotplug_with_upd 115 for_each_non_boot_cpu hotplug_with_updates_cpu
116 } 116 }
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