X-Git-Url: http://git.iain.cx/?a=blobdiff_plain;f=performance_schema%2Ffile_summary_by_instance%2Ffile_summary_by_instance.go;h=737caa82c5351946f2ad471a6bacae0760ff3329;hb=6befaeecc9554be09177e699544d9573e699f1c8;hp=10ef5f45f93dc42e30be1e0e9c411d85d6206981;hpb=e0d7c6363deedafa29d8cc35e34cec6e056af2a9;p=pstop.git

diff --git a/performance_schema/file_summary_by_instance/file_summary_by_instance.go b/performance_schema/file_summary_by_instance/file_summary_by_instance.go
index 10ef5f4..737caa8 100644
--- a/performance_schema/file_summary_by_instance/file_summary_by_instance.go
+++ b/performance_schema/file_summary_by_instance/file_summary_by_instance.go
@@ -6,6 +6,7 @@ package file_summary_by_instance
 
 import (
 	"database/sql"
+	"fmt"
 	"time"
 
 	"github.com/sjmudd/pstop/lib"
@@ -139,7 +140,8 @@ func (t File_summary_by_instance) EmptyRowContent() string {
 }
 
 func (t File_summary_by_instance) Description() string {
-	return "File I/O by filename (file_summary_by_instance)"
+	count := t.count_rows()
+	return fmt.Sprintf("File I/O by filename (file_summary_by_instance) %4d row(s)    ", count)
 }
 
 // create a new structure and include various variable values:
@@ -152,3 +154,13 @@ func NewFileSummaryByInstance(global_variables map[string]string) *File_summary_
 
 	return n
 }
+
+func (t File_summary_by_instance) count_rows() int {
+	var count int
+	for row := range t.results {
+		if t.results[row].SUM_TIMER_WAIT > 0 {
+			count++
+		}
+	}
+	return count
+}