sdcardtester als Scriptbeispiel.

teil15/sdcardtester

@@ -0,0 +1,59 @@
+#! /usr/bin/bash
+
+MOUNTPOINT='/mnt/speedtest'
+
+# number of threads used during testing
+nproc=4
+
+if [ "$EUID" -ne 0 ]
+  then echo "Please run as root"
+  exit 1
+fi
+
+if [ "${1}" ]; then
+ DEVICE=${1}
+ PARTITION=${DEVICE}1
+ echo "using device ${DEVICE}"
+else
+ echo "using default device ${DEVICE}"
+fi
+
+# check if sd card is inserted
+if [ -e ${DEVICE} ]; then
+  echo "card inserted"
+else
+  echo "no sd card found"
+  exit 2
+fi
+
+echo "deleting partion #1"
+sfdisk --delete -w ${DEVICE} 1 && sync
+
+echo "creating new ext4 partition"
+echo ",," |sfdisk ${DEVICE} && sync
+
+echo "creating ext4 filesystem on ${PARTITION}"
+echo "y" |mkfs.ext4 ${PARTITION}
+
+#check if mount point is available, create otherwise
+if [ ! -d "${MOUNTPOINT}" ]; then mkdir "${MOUNTPOINT}"; fi
+mount -t ext4 "${PARTITION}" "${MOUNTPOINT}"
+cd "${MOUNTPOINT}"
+echo "preparing tests"
+sysbench fileio --file-total-size=8G prepare > /dev/null
+
+# Test with 16K block size, random read/write
+echo "run test with 16K block size"
+sysbench fileio --file-block-size=16K --file-total-size=8G --file-test-mode=rndrw --threads=$(nproc) run
+
+# Test with 1M  block size, random read/write
+echo "run test with 1M block size"
+sysbench fileio --file-block-size=1M --file-total-size=8G --file-test-mode=rndrw --threads=$(nproc) run
+
+# cleanup the test files
+echo "cleaning up test files"
+sysbench fileio --file-total-size=8G cleanup
+cd - >/dev/null
+umount ${PARTITION}
+
+