LU-333: Make read_bytes in llite/*/stats report bytes read.

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

diff --git a/lustre/tests/sanity.sh b/lustre/tests/sanity.sh
index 750a825..38fcd12 100644 (file)
--- a/lustre/tests/sanity.sh
+++ b/lustre/tests/sanity.sh
@@ -6258,7 +6258,7 @@ test_126() { # bug 12829/13455
 }
 run_test 126 "check that the fsgid provided by the client is taken into account"
 
-test_127() { # bug 15521
+test_127a() { # bug 15521
         $SETSTRIPE -i 0 -c 1 $DIR/$tfile || error "setstripe failed"
         $LCTL set_param osc.*.stats=0
         FSIZE=$((2048 * 1024))
@@ -6294,7 +6294,47 @@ test_127() { # bug 15521
         [ "$read_bytes" != 0 ] || error "no read done"
         [ "$write_bytes" != 0 ] || error "no write done"
 }
-run_test 127 "verify the client stats are sane"
+run_test 127a "verify the client stats are sane"
+
+test_127b() { # bug LU-333
+        $LCTL set_param llite.*.stats=0
+        FSIZE=65536 # sized fixed to match PAGE_SIZE for most clients
+        # perform 2 reads and writes so MAX is different from SUM.
+        dd if=/dev/zero of=$DIR/$tfile bs=$FSIZE count=1
+        dd if=/dev/zero of=$DIR/$tfile bs=$FSIZE count=1
+        cancel_lru_locks osc
+        dd if=$DIR/$tfile of=/dev/null bs=$FSIZE count=1
+        dd if=$DIR/$tfile of=/dev/null bs=$FSIZE count=1
+
+        $LCTL get_param llite.*.stats | grep samples > $TMP/${tfile}.tmp
+        while read NAME COUNT SAMP UNIT MIN MAX SUM SUMSQ; do
+                echo "got $COUNT $NAME"
+                eval $NAME=$COUNT || error "Wrong proc format"
+
+        case $NAME in
+                read_bytes)
+                        [ $COUNT -ne 2 ] && error "count is not 2: $COUNT"
+                        [ $MIN -ne $FSIZE ] && error "min is not $FSIZE: $MIN"
+                        [ $MAX -ne $FSIZE ] && error "max is incorrect: $MAX"
+                        [ $SUM -ne $((FSIZE * 2)) ] && error "sum is wrong: $SUM"
+                        ;;
+                write_bytes)
+                        [ $COUNT -ne 2 ] && error "count is not 2: $COUNT"
+                        [ $MIN -ne $FSIZE ] && error "min is not $FSIZE: $MIN"
+                        [ $MAX -ne $FSIZE ] && error "max is incorrect: $MAX"
+                        [ $SUM -ne $((FSIZE * 2)) ] && error "sum is wrong: $SUM"
+                        ;;
+                        *) ;;
+                esac
+        done < $TMP/${tfile}.tmp
+
+        #check that we actually got some stats
+        [ "$read_bytes" ] || error "Missing read_bytes stats"
+        [ "$write_bytes" ] || error "Missing write_bytes stats"
+        [ "$read_bytes" != 0 ] || error "no read done"
+        [ "$write_bytes" != 0 ] || error "no write done"
+}
+run_test 127b "verify the llite client stats are sane"
 
 test_128() { # bug 15212
        touch $DIR/$tfile