1 #!/bin/bash 1 #!/bin/bash
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
3 3
4 # protect against multiple inclusion 4 # protect against multiple inclusion
5 if [ $FILE_CPUFREQ ]; then 5 if [ $FILE_CPUFREQ ]; then
6 return 0 6 return 0
7 else 7 else
8 FILE_CPUFREQ=DONE 8 FILE_CPUFREQ=DONE
9 fi 9 fi
10 10
11 source cpu.sh 11 source cpu.sh
12 12
13 13
14 # $1: cpu 14 # $1: cpu
15 cpu_should_have_cpufreq_directory() 15 cpu_should_have_cpufreq_directory()
16 { 16 {
17 if [ ! -d $CPUROOT/$1/cpufreq ]; then 17 if [ ! -d $CPUROOT/$1/cpufreq ]; then
18 printf "Warning: No cpufreq di 18 printf "Warning: No cpufreq directory present for $1\n"
19 fi 19 fi
20 } 20 }
21 21
22 cpu_should_not_have_cpufreq_directory() 22 cpu_should_not_have_cpufreq_directory()
23 { 23 {
24 if [ -d $CPUROOT/$1/cpufreq ]; then 24 if [ -d $CPUROOT/$1/cpufreq ]; then
25 printf "Warning: cpufreq direc 25 printf "Warning: cpufreq directory present for $1\n"
26 fi 26 fi
27 } 27 }
28 28
29 for_each_policy() 29 for_each_policy()
30 { 30 {
31 policies=$(ls $CPUFREQROOT| grep "poli 31 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*")
32 for policy in $policies; do 32 for policy in $policies; do
33 $@ $policy 33 $@ $policy
34 done 34 done
35 } 35 }
36 36
37 for_each_policy_concurrent() 37 for_each_policy_concurrent()
38 { 38 {
39 policies=$(ls $CPUFREQROOT| grep "poli 39 policies=$(ls $CPUFREQROOT| grep "policy[0-9].*")
40 for policy in $policies; do 40 for policy in $policies; do
41 $@ $policy & 41 $@ $policy &
42 done 42 done
43 } 43 }
44 44
45 # $1: Path 45 # $1: Path
46 read_cpufreq_files_in_dir() 46 read_cpufreq_files_in_dir()
47 { 47 {
48 local files=`ls $1` 48 local files=`ls $1`
49 49
50 printf "Printing directory: $1\n\n" 50 printf "Printing directory: $1\n\n"
51 51
52 for file in $files; do 52 for file in $files; do
53 if [ -f $1/$file ]; then 53 if [ -f $1/$file ]; then
54 printf "$file:" 54 printf "$file:"
55 cat $1/$file 55 cat $1/$file
56 else 56 else
57 printf "\n" 57 printf "\n"
58 read_cpufreq_files_in_ 58 read_cpufreq_files_in_dir "$1/$file"
59 fi 59 fi
60 done 60 done
61 printf "\n" 61 printf "\n"
62 } 62 }
63 63
64 64
65 read_all_cpufreq_files() 65 read_all_cpufreq_files()
66 { 66 {
67 printf "** Test: Running ${FUNCNAME[0] 67 printf "** Test: Running ${FUNCNAME[0]} **\n\n"
68 68
69 read_cpufreq_files_in_dir $CPUFREQROOT 69 read_cpufreq_files_in_dir $CPUFREQROOT
70 70
71 printf "%s\n\n" "--------------------- 71 printf "%s\n\n" "------------------------------------------------"
72 } 72 }
73 73
74 74
75 # UPDATE CPUFREQ FILES 75 # UPDATE CPUFREQ FILES
76 76
77 # $1: directory path 77 # $1: directory path
78 update_cpufreq_files_in_dir() 78 update_cpufreq_files_in_dir()
79 { 79 {
80 local files=`ls $1` 80 local files=`ls $1`
81 81
82 printf "Updating directory: $1\n\n" 82 printf "Updating directory: $1\n\n"
83 83
84 for file in $files; do 84 for file in $files; do
85 if [ -f $1/$file ]; then 85 if [ -f $1/$file ]; then
86 # file is writable ? 86 # file is writable ?
87 local wfile=$(ls -l $1 87 local wfile=$(ls -l $1/$file | awk '$1 ~ /^.*w.*/ { print $NF; }')
88 88
89 if [ ! -z $wfile ]; th 89 if [ ! -z $wfile ]; then
90 # scaling_sets 90 # scaling_setspeed is a special file and we
91 # should skip 91 # should skip updating it
92 if [ $file != 92 if [ $file != "scaling_setspeed" ]; then
93 local 93 local val=$(cat $1/$file)
94 printf 94 printf "Writing $val to: $file\n"
95 echo $ 95 echo $val > $1/$file
96 fi 96 fi
97 fi 97 fi
98 else 98 else
99 printf "\n" 99 printf "\n"
100 update_cpufreq_files_i 100 update_cpufreq_files_in_dir "$1/$file"
101 fi 101 fi
102 done 102 done
103 103
104 printf "\n" 104 printf "\n"
105 } 105 }
106 106
107 # Update all writable files with their existin 107 # Update all writable files with their existing values
108 update_all_cpufreq_files() 108 update_all_cpufreq_files()
109 { 109 {
110 printf "** Test: Running ${FUNCNAME[0] 110 printf "** Test: Running ${FUNCNAME[0]} **\n\n"
111 111
112 update_cpufreq_files_in_dir $CPUFREQRO 112 update_cpufreq_files_in_dir $CPUFREQROOT
113 113
114 printf "%s\n\n" "--------------------- 114 printf "%s\n\n" "------------------------------------------------"
115 } 115 }
116 116
117 117
118 # CHANGE CPU FREQUENCIES 118 # CHANGE CPU FREQUENCIES
119 119
120 # $1: policy 120 # $1: policy
121 find_current_freq() 121 find_current_freq()
122 { 122 {
123 cat $CPUFREQROOT/$1/scaling_cur_freq 123 cat $CPUFREQROOT/$1/scaling_cur_freq
124 } 124 }
125 125
126 # $1: policy 126 # $1: policy
127 # $2: frequency 127 # $2: frequency
128 set_cpu_frequency() 128 set_cpu_frequency()
129 { 129 {
130 printf "Change frequency for $1 to $2\ 130 printf "Change frequency for $1 to $2\n"
131 echo $2 > $CPUFREQROOT/$1/scaling_sets 131 echo $2 > $CPUFREQROOT/$1/scaling_setspeed
132 } 132 }
133 133
134 # $1: policy 134 # $1: policy
135 test_all_frequencies() 135 test_all_frequencies()
136 { 136 {
137 local filepath="$CPUFREQROOT/$1" 137 local filepath="$CPUFREQROOT/$1"
138 138
139 backup_governor $1 139 backup_governor $1
140 140
141 local found=$(switch_governor $1 "user 141 local found=$(switch_governor $1 "userspace")
142 if [ $found = 1 ]; then 142 if [ $found = 1 ]; then
143 printf "${FUNCNAME[0]}: usersp 143 printf "${FUNCNAME[0]}: userspace governor not available for: $1\n"
144 return; 144 return;
145 fi 145 fi
146 146
147 printf "Switched governor for $1 to us 147 printf "Switched governor for $1 to userspace\n\n"
148 148
149 local freqs=$(cat $filepath/scaling_av 149 local freqs=$(cat $filepath/scaling_available_frequencies)
150 printf "Available frequencies for $1: 150 printf "Available frequencies for $1: $freqs\n\n"
151 151
152 # Set all frequencies one-by-one 152 # Set all frequencies one-by-one
153 for freq in $freqs; do 153 for freq in $freqs; do
154 set_cpu_frequency $1 $freq 154 set_cpu_frequency $1 $freq
155 done 155 done
156 156
157 printf "\n" 157 printf "\n"
158 158
159 restore_governor $1 159 restore_governor $1
160 } 160 }
161 161
162 # $1: loop count 162 # $1: loop count
163 shuffle_frequency_for_all_cpus() 163 shuffle_frequency_for_all_cpus()
164 { 164 {
165 printf "** Test: Running ${FUNCNAME[0] 165 printf "** Test: Running ${FUNCNAME[0]} for $1 loops **\n\n"
166 166
167 for i in `seq 1 $1`; do 167 for i in `seq 1 $1`; do
168 for_each_policy test_all_frequ 168 for_each_policy test_all_frequencies
169 done 169 done
170 printf "\n%s\n\n" "------------------- 170 printf "\n%s\n\n" "------------------------------------------------"
171 } 171 }
172 172
173 # Basic cpufreq tests 173 # Basic cpufreq tests
174 cpufreq_basic_tests() 174 cpufreq_basic_tests()
175 { 175 {
176 printf "*** RUNNING CPUFREQ SANITY TES 176 printf "*** RUNNING CPUFREQ SANITY TESTS ***\n"
177 printf "============================== 177 printf "====================================\n\n"
178 178
179 count=$(count_cpufreq_managed_cpus) 179 count=$(count_cpufreq_managed_cpus)
180 if [ $count = 0 ]; then 180 if [ $count = 0 ]; then
181 ktap_exit_fail_msg "No cpu is 181 ktap_exit_fail_msg "No cpu is managed by cpufreq core, exiting\n"
182 else 182 else
183 printf "CPUFreq manages: $coun 183 printf "CPUFreq manages: $count CPUs\n\n"
184 fi 184 fi
185 185
186 # Detect & print which CPUs are not ma 186 # Detect & print which CPUs are not managed by cpufreq
187 print_unmanaged_cpus 187 print_unmanaged_cpus
188 188
189 # read/update all cpufreq files 189 # read/update all cpufreq files
190 read_all_cpufreq_files 190 read_all_cpufreq_files
191 update_all_cpufreq_files 191 update_all_cpufreq_files
192 192
193 # hotplug cpus 193 # hotplug cpus
194 reboot_cpus 5 194 reboot_cpus 5
195 195
196 # Test all frequencies 196 # Test all frequencies
197 shuffle_frequency_for_all_cpus 2 197 shuffle_frequency_for_all_cpus 2
198 198
199 # Test all governors 199 # Test all governors
200 shuffle_governors_for_all_cpus 1 200 shuffle_governors_for_all_cpus 1
201 } 201 }
202 202
203 # Suspend/resume 203 # Suspend/resume
204 # $1: "suspend" or "hibernate", $2: loop count 204 # $1: "suspend" or "hibernate", $2: loop count
205 do_suspend() 205 do_suspend()
206 { 206 {
207 printf "** Test: Running ${FUNCNAME[0] 207 printf "** Test: Running ${FUNCNAME[0]}: Trying $1 for $2 loops **\n\n"
208 208
209 # Is the directory available 209 # Is the directory available
210 if [ ! -d $SYSFS/power/ -o ! -f $SYSFS 210 if [ ! -d $SYSFS/power/ -o ! -f $SYSFS/power/state ]; then
211 printf "$SYSFS/power/state not 211 printf "$SYSFS/power/state not available\n"
212 return 1 212 return 1
213 fi 213 fi
214 214
215 if [ $1 = "suspend" ]; then 215 if [ $1 = "suspend" ]; then
216 filename="mem" 216 filename="mem"
217 elif [ $1 = "hibernate" ]; then 217 elif [ $1 = "hibernate" ]; then
218 filename="disk" 218 filename="disk"
219 else 219 else
220 printf "$1 is not a valid opti 220 printf "$1 is not a valid option\n"
221 return 1 221 return 1
222 fi 222 fi
223 223
224 if [ -n $filename ]; then 224 if [ -n $filename ]; then
225 present=$(cat $SYSFS/power/sta 225 present=$(cat $SYSFS/power/state | grep $filename)
226 226
227 if [ -z "$present" ]; then 227 if [ -z "$present" ]; then
228 printf "Tried to $1 bu 228 printf "Tried to $1 but $filename isn't present in $SYSFS/power/state\n"
229 return 1; 229 return 1;
230 fi 230 fi
231 231
232 for i in `seq 1 $2`; do 232 for i in `seq 1 $2`; do
233 printf "Starting $1\n" 233 printf "Starting $1\n"
234 <<
235 if [ "$3" = "rtc" ]; t <<
236 if ! command - <<
237 printf <<
238 return <<
239 fi <<
240 <<
241 rtcwake -m $fi <<
242 <<
243 if [ $? -ne 0 <<
244 printf <<
245 return <<
246 fi <<
247 fi <<
248 <<
249 echo $filename > $SYSF 234 echo $filename > $SYSFS/power/state
250 printf "Came out of $1 235 printf "Came out of $1\n"
251 236
252 printf "Do basic tests 237 printf "Do basic tests after finishing $1 to verify cpufreq state\n\n"
253 cpufreq_basic_tests 238 cpufreq_basic_tests
254 done 239 done
255 fi 240 fi
256 } 241 }
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.