b=17839

[fs/lustre-release.git] / lustre / tests / run_iozone.sh

diff --git a/lustre/tests/run_iozone.sh b/lustre/tests/run_iozone.sh
new file mode 100755 (executable)
index 0000000..2b71118
--- /dev/null
+++ b/lustre/tests/run_iozone.sh
@@ -0,0 +1,77 @@
+#!/bin/bash
+set -x
+
+TMP=${TMP:-/tmp}
+
+TESTSUITELOG=${TESTSUITELOG:-$TMP/recovery-mds-scale}
+LOG=${TESTSUITELOG}_$(basename $0)-$(hostname)
+DEBUGLOG=${LOG}.debug
+
+mkdir -p ${LOG%/*}
+
+rm -f $LOG $DEBUGLOG
+exec 2>$DEBUGLOG
+
+if [ -z "$MOUNT" -o -z "$END_RUN_FILE" -o -z "$LOAD_PID_FILE" ]; then
+    echo "The following must be set: MOUNT END_RUN_FILE LOAD_PID_FILE"
+    exit 1
+fi
+
+echoerr () { echo "$@" 1>&2 ; }
+
+signaled() {
+    echoerr "$(date +'%F %H:%M:%S'): client load was signaled to terminate"
+    kill -TERM -$PPID
+    sleep 5
+    kill -KILL -$PPID
+}
+
+trap signaled TERM
+
+# recovery-mds-scale uses this to signal the client loads to die
+echo $$ >$LOAD_PID_FILE
+
+TESTDIR=$MOUNT/iozone-$(hostname)
+
+# needed to debug oom problem
+#echo 1 > /proc/sys/vm/vm_gfp_debug
+#killpids=""
+#vmstat 1 1000000 >$TMP/iozone.vmstat.out &
+#killpids="$killpids $!"
+#$LUSTRE_TESTS/runvmstat > $TMP/iozone.runvmstat.out &
+#killpids="$killpids $!"
+
+CONTINUE=true
+while [ ! -e "$END_RUN_FILE" ] && $CONTINUE; do
+    echoerr "$(date +'%F %H:%M:%S'): iozone run starting"
+    mkdir -p $TESTDIR
+    cd $TESTDIR
+    iozone -a -M -R -V 0xab -g 100M -q 512k -i0 -i1 -f $TESTDIR/iozone-file 1>$LOG &
+    load_pid=$!
+    wait $load_pid
+    if [ ${PIPESTATUS[0]} -eq 0 ]; then
+       echoerr "$(date +'%F %H:%M:%S'): iozone succeeded"
+       cd $TMP
+       rm -rf $TESTDIR
+        if [ -d $TESTDIR ]; then
+           echoerr "$(date +'%F %H:%M:%S'): failed to remove $TESTDIR"
+           echo $(hostname) >> $END_RUN_FILE
+            CONTINUE=false
+        fi
+       echoerr "$(date +'%F %H:%M:%S'): iozone run finished"
+    else
+       echoerr "$(date +'%F %H:%M:%S'): iozone failed"
+       if [ -z "$ERRORS_OK" ]; then
+           echo $(hostname) >> $END_RUN_FILE
+       fi
+       if [ $BREAK_ON_ERROR ]; then
+           # break
+            CONTINUE=false
+       fi
+    fi
+done
+
+echoerr "$(date +'%F %H:%M:%S'): iozone run exiting"
+#kill $killpids
+#sleep 5
+#kill -9 $killpids