charts.d.plugin gives a chart per charts.d plugin for its execution time

diff --git a/plugins.d/charts.d.plugin b/plugins.d/charts.d.plugin
index bae94135cb45d7e98963d3fa44475f86be1e6715..ba2c3fc35cf17872c0ac06189a5cffd7ab4b9288 100755 (executable)
--- a/plugins.d/charts.d.plugin
+++ b/plugins.d/charts.d.plugin
@@ -420,7 +420,7 @@ fi
 declare -A charts_last_update=() charts_min_dt=()
 global_update() {
        local exit_after=$((restart_timeout / update_every)) \
-               c=0 dt \
+               c=0 dt ret exec_start_ms exec_end_ms \
                chart now_charts=() next_charts=($run_charts)
 
        # return the current time in ms in $now_ms
@@ -431,6 +431,9 @@ global_update() {
                eval "charts_min_dt[$chart]=\$$chart$suffix_update_every"
                test -z "${charts_min_dt[$chart]}" && charts_min_dt[$charts]=$update_every
                charts_last_update[$chart]=$((now_ms - (charts_min_dt[$chart] * 1000) ))
+
+               echo "CHART netdata.plugin_$chart '' 'Execution time for $chart plugin' 'milliseconds / run' netdata netdata area 90000 ${charts_min_dt[$chart]}"
+               echo "DIMENSION run_time 'run time' absolute 1 1"
        done
 
        # the main loop
@@ -444,7 +447,6 @@ global_update() {
                do
                        # return the current time in ms in $now_ms
                        current_time_ms
-
                        dt=$(( (now_ms - charts_last_update[$chart]) * 1000 ))
                        if [ $dt -ge $(( charts_min_dt[$chart] * 1000000 )) ]
                        then
@@ -454,13 +456,21 @@ global_update() {
                                # so that netdata calibrates to current time
                                test $c -eq 1 && dt=
 
+                               exec_start_ms=$now_ms
                                $chart$charts_update $dt
-                               if [ $? -eq 0 ]
+                               ret=$?
+                               current_time_ms; exec_end_ms=$now_ms
+
+                               echo "BEGIN netdata.plugin_$chart $dt"
+                               if [ $ret -eq 0 ]
                                then
+                                       echo "SET run_time = $(( exec_end_ms - exec_start_ms ))"
                                        next_charts+=($chart)
                                else
+                                       echo "SET run_time = $(( (exec_end_ms - exec_start_ms) * -1 ))"
                                        echo >&2 "$PROGRAM_NAME: chart '$chart' update() function reports failure. Disabling it."
                                fi
+                               echo "END"
                        else
                                next_charts+=($chart)
                        fi