Be able to collect some usage metrics

[pstop.git] / performance_schema / table_io_waits_summary_by_table / table_io_waits_summary_by_table.go

diff --git a/performance_schema/table_io_waits_summary_by_table/table_io_waits_summary_by_table.go b/performance_schema/table_io_waits_summary_by_table/table_io_waits_summary_by_table.go
index 0ef79dc..ab1166b 100644 (file)
--- a/performance_schema/table_io_waits_summary_by_table/table_io_waits_summary_by_table.go
+++ b/performance_schema/table_io_waits_summary_by_table/table_io_waits_summary_by_table.go
@@ -7,6 +7,7 @@ package table_io_waits_summary_by_table
 import (
        "database/sql"
        "fmt"
+       "time"
 
        "github.com/sjmudd/pstop/lib"
        ps "github.com/sjmudd/pstop/performance_schema"
@@ -35,6 +36,7 @@ func (t Table_io_waits_summary_by_table) WantsLatency() bool {
 // values if needed, and then subtracting initial values if we want
 // relative values, after which it stores totals.
 func (t *Table_io_waits_summary_by_table) Collect(dbh *sql.DB) {
+       start := time.Now()
        lib.Logger.Println("Table_io_waits_summary_by_table.Collect() BEGIN")
        t.current = select_tiwsbt_rows(dbh)
        lib.Logger.Println("- t.current set from", len(t.current), "collected row(s) from SELECT")
@@ -58,7 +60,7 @@ func (t *Table_io_waits_summary_by_table) Collect(dbh *sql.DB) {
        // lib.Logger.Println( "t.current:", t.current )
        lib.Logger.Println("t.results:", t.results)
        lib.Logger.Println("t.totals:", t.totals)
-       lib.Logger.Println("Table_io_waits_summary_by_table.Collect() END")
+       lib.Logger.Println("Table_io_waits_summary_by_table.Collect() END, took:", time.Duration(time.Since(start)).String())
 }
 
 func (t *Table_io_waits_summary_by_table) make_results() {