make plot-iostat.sh just work

fengguang · Dec 13, 2011 · 16634e9 · 16634e9
1 parent 71f47e3
commit 16634e9
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/plot-iostat.sh b/plot-iostat.sh
@@ -65,6 +65,9 @@ cd $dir
 
 test -s iostat || exit
 
+[[ -f iostat-disk ]] || grep ${IOSTAT_DISK:-sda} iostat > iostat-disk
+[[ -f iostat-cpu  ]] || grep -A1 avg-cpu iostat | grep -v '[a-z-]' > iostat-cpu
+
 plot iostat-disk iostat-cpu
 
 lines=$(wc -l iostat-disk | cut -f1 -d' ')