1 #!/bin/bash 2 3 PERF="rand_emmc_perf" 4 PERF_LOC=/dev 5 STATS_FILE="/data/local/tmp/stats_test" 6 STATS_MODE=0 7 USERBUILD_MODE=0 8 9 if [ "$1" = "-s" ] 10 then 11 STATS_MODE=1 12 elif [ "$1" = "-u" ] 13 then 14 USERBUILD_MODE=1 15 fi 16 17 if [ ! -r "$PERF" ] 18 then 19 echo "Cannot read $PERF test binary" 20 fi 21 22 if ! adb shell true >/dev/null 2>&1 23 then 24 echo "No device detected over adb" 25 fi 26 27 HARDWARE=`adb shell getprop ro.hardware | tr -d "\r"` 28 29 case "$HARDWARE" in 30 tuna | steelhead) 31 CPUFREQ="/sys/devices/system/cpu/cpu0/cpufreq" 32 CACHE="/dev/block/platform/omap/omap_hsmmc.0/by-name/cache" 33 MMCDEV="mmcblk0" 34 ;; 35 36 stingray | wingray) 37 CPUFREQ="/sys/devices/system/cpu/cpu0/cpufreq" 38 CACHE="/dev/block/platform/sdhci-tegra.3/by-name/cache" 39 MMCDEV="mmcblk0" 40 ;; 41 42 herring) 43 echo "This test will wipe the userdata partition on $HARDWARE devices." 44 read -p "Do you want to proceed? " ANSWER 45 46 if [ "$ANSWER" != "yes" ] 47 then 48 echo "aborting test" 49 exit 1 50 fi 51 52 CPUFREQ="/sys/devices/system/cpu/cpu0/cpufreq" 53 CACHE="/dev/block/platform/s3c-sdhci.0/by-name/userdata" 54 MMCDEV="mmcblk0" 55 ;; 56 57 grouper) 58 CPUFREQ="/sys/devices/system/cpu/cpu0/cpufreq" 59 CACHE="/dev/block/platform/sdhci-tegra.3/by-name/CAC" 60 MMCDEV="mmcblk0" 61 ;; 62 63 manta) 64 CPUFREQ="/sys/devices/system/cpu/cpu0/cpufreq" 65 CACHE="/dev/block/platform/dw_mmc.0/by-name/cache" 66 MMCDEV="mmcblk0" 67 ;; 68 69 flo) 70 CPUFREQ="/sys/devices/system/cpu/cpu0/cpufreq" 71 CACHE="dev/block/platform/msm_sdcc.1/by-name/cache" 72 MMCDEV="mmcblk0" 73 ;; 74 75 *) 76 echo "Unknown hardware $HARDWARE. Exiting." 77 exit 1 78 esac 79 80 # We cannot stop and unmount stuff in a user build, so don't even try. 81 if [ "$USERBUILD_MODE" -eq 0 ] 82 then 83 # prepare the device 84 adb root 85 adb wait-for-device 86 adb push "$PERF" /dev 87 adb shell stop 88 adb shell stop sdcard 89 adb shell stop ril-daemon 90 adb shell stop media 91 adb shell stop drm 92 adb shell stop keystore 93 adb shell stop tf_daemon 94 adb shell stop bluetoothd 95 adb shell stop hciattach 96 adb shell stop p2p_supplicant 97 adb shell stop wpa_supplicant 98 adb shell stop mobicore 99 adb shell umount /sdcard >/dev/null 2>&1 100 adb shell umount /mnt/sdcard >/dev/null 2>&1 101 adb shell umount /mnt/shell/sdcard0 >/dev/null 2>&1 102 adb shell umount /mnt/shell/emulated >/dev/null 2>&1 103 adb shell umount /cache >/dev/null 2>&1 104 if [ "$STATS_MODE" -ne 1 ] 105 then 106 adb shell umount /data >/dev/null 2>&1 107 fi 108 else 109 # For user builds, put the $PERF binary in /data/local/tmp, 110 # and also setup CACHE to point to a file on /data/local/tmp, 111 # and create that file 112 PERF_LOC=/data/local/tmp 113 adb push "$PERF" "$PERF_LOC" 114 CACHE=/data/local/tmp/testfile 115 echo "Creating testfile for user builds (can take up to 60 seconds)" 116 adb shell dd if=/dev/zero of=$CACHE bs=1048576 count=512 117 fi 118 119 # Add more services here that other devices need to stop. 120 # So far, this list is sufficient for: 121 # Prime 122 123 if [ "$USERBUILD_MODE" -eq 0 ] 124 then 125 # At this point, the device is quiescent, need to crank up the cpu speed, 126 # then run tests 127 adb shell "cat $CPUFREQ/cpuinfo_max_freq > $CPUFREQ/scaling_max_freq" 128 adb shell "cat $CPUFREQ/cpuinfo_max_freq > $CPUFREQ/scaling_min_freq" 129 fi 130 131 # Start the tests 132 133 if [ "$STATS_MODE" -eq 1 ] 134 then 135 # This test looks for the average and max random write times for the emmc 136 # chip. It should be run with the emmc chip full for worst case numbers, 137 # and after fstrim for best case numbers. So first fill the chip, twice, 138 # then run the test, then remove the large file, run fstrim, and run the 139 # test again. 140 141 # Remove the test file if it exists, then make it anew. 142 echo "Filling userdata" 143 adb shell rm -f "$STATS_FILE" 144 adb shell dd if=/dev/zero of="$STATS_FILE" bs=1048576 145 adb shell sync 146 147 # Do it again to make sure to fill up all the reserved blocks used for 148 # wear levelling, plus any unused blocks in the other partitions. Yes, 149 # this is not precise, just a good heuristic. 150 echo "Filling userdata again" 151 adb shell rm "$STATS_FILE" 152 adb shell sync 153 adb shell dd if=/dev/zero of="$STATS_FILE" bs=1048576 154 adb shell sync 155 156 # Run the test 157 echo "Running stats test after filling emmc chip" 158 adb shell /dev/$PERF -w -o -s 20000 -f /dev/full_stats 400 "$CACHE" 159 160 # Remove the file, and have vold do fstrim 161 adb shell rm "$STATS_FILE" 162 adb shell sync 163 # Make sure fstrim knows there is work to do 164 sleep 10 165 166 # Get the current number of FSTRIM complete lines in thh logcat 167 ORIGCNT=`adb shell logcat -d | grep -c "Finished fstrim work"` 168 169 # Attempt to start fstrim 170 OUT=`adb shell vdc fstrim dotrim | grep "Command not recognized"` 171 172 if [ -z "$OUT" ] 173 then 174 # Wait till we see another fstrim finished line 175 sleep 10 176 let T=10 177 NEWCNT=`adb shell logcat -d |grep -c "Finished fstrim work"` 178 while [ "$NEWCNT" -eq "$ORIGCNT" ] 179 do 180 sleep 10 181 let T=T+10 182 if [ "$T" -ge 300 ] 183 then 184 echo "Error: FSTRIM did not complete in 300 seconds, continuing" 185 break 186 fi 187 NEWCNT=`adb shell logcat -d |grep -c "Finished fstrim work"` 188 done 189 190 echo "FSTRIM took "$T" seconds" 191 192 # Run the test again 193 echo "Running test after fstrim" 194 adb shell /dev/$PERF -w -o -s 20000 -f /dev/fstrimmed_stats 400 "$CACHE" 195 196 # Retrieve the full data logs 197 adb pull /dev/fstrimmed_stats $HARDWARE-fstrimmed_stats 198 adb pull /dev/full_stats $HARDWARE-full_stats 199 else 200 echo "Device doesn't support fstrim, not running test a second time" 201 fi 202 203 else 204 205 # Sequential read test 206 if [ "$USERBUILD_MODE" -eq 0 ] 207 then 208 # There is no point in running this in USERBUILD mode, because 209 # we can't drop caches, and the numbers are ludicrously high 210 for I in 1 2 3 211 do 212 adb shell "echo 3 > /proc/sys/vm/drop_caches" 213 echo "Sequential read test $I" 214 adb shell dd if="$CACHE" of=/dev/null bs=1048576 count=200 215 done 216 fi 217 218 # Sequential write test 219 for I in 1 2 3 220 do 221 echo "Sequential write test $I" 222 # It's unclear if this test is useful on USERBUILDS, given the 223 # caching on the filesystem 224 adb shell dd if=/dev/zero conv=notrunc of="$CACHE" bs=1048576 count=200 225 done 226 227 if [ "$USERBUILD_MODE" -eq 0 ] 228 then 229 # Random read tests require that we read from a much larger range of offsets 230 # into the emmc chip than the write test. If we only read though 100 Megabytes 231 # (and with a read-ahead of 128K), we quickly fill the buffer cache with 100 232 # Megabytes of data, and subsequent reads are nearly instantaneous. Since 233 # reading is non-destructive, and we've never shipped a device with less than 234 # 8 Gbytes, for this test we read from the raw emmc device, and randomly seek 235 # in the first 6 Gbytes. That is way more memory than any device we currently 236 # have and it should keep the cache from being poluted with entries from 237 # previous random reads. 238 # 239 # Also, test with the read-ahead set very low at 4K, and at the default 240 241 # Random read test, 4K read-ahead 242 ORIG_READAHEAD=`adb shell cat /sys/block/$MMCDEV/queue/read_ahead_kb | tr -d "\r"` 243 adb shell "echo 4 > /sys/block/$MMCDEV/queue/read_ahead_kb" 244 for I in 1 2 3 245 do 246 adb shell "echo 3 > /proc/sys/vm/drop_caches" 247 echo "Random read (4K read-ahead) test $I" 248 adb shell "$PERF_LOC"/"$PERF" -r 6000 "/dev/block/$MMCDEV" 249 done 250 251 # Random read test, default read-ahead 252 adb shell "echo $ORIG_READAHEAD > /sys/block/$MMCDEV/queue/read_ahead_kb" 253 for I in 1 2 3 254 do 255 adb shell "echo 3 > /proc/sys/vm/drop_caches" 256 echo "Random read (default read-ahead of ${ORIG_READAHEAD}K) test $I" 257 adb shell "$PERF_LOC"/"$PERF" -r 6000 "/dev/block/$MMCDEV" 258 done 259 fi 260 261 # Random write test 262 for I in 1 2 3 263 do 264 echo "Random write test $I" 265 adb shell "$PERF_LOC"/"$PERF" -w 100 "$CACHE" 266 done 267 268 # Random write test with O_SYNC 269 for I in 1 2 3 270 do 271 echo "Random write with o_sync test $I" 272 adb shell "$PERF_LOC"/"$PERF" -w -o 100 "$CACHE" 273 done 274 fi 275 276 # cleanup 277 if [ "$USERBUILD_MODE" -eq 0 ] 278 then 279 # Make a new empty /cache filesystem 280 adb shell make_ext4fs -w "$CACHE" 281 else 282 adb shell rm -f "$CACHE" "$PERF_LOC"/"$PERF" 283 fi 284 285
