rename bw_mean to bw, other fixes
diff --git a/report.py b/report.py
index bce6690..62489f1 100644
--- a/report.py
+++ b/report.py
@@ -176,7 +176,7 @@
             #('hdd_test_rws4k', ('concurence', 'lat', 'iops')),
             #('hdd_test_rrs4k', ('concurence', 'lat', 'iops')),
             ('hdd_test_rrd4k', ('concurence', 'lat', 'iops')),
-            ('hdd_test_swd1m', ('concurence', 'lat', 'bw_mean')),
+            ('hdd_test_swd1m', ('concurence', 'lat', 'bw')),
         ]
 
         for name_filter, fields in name_filters: