NAME

       schedulerinfo - Displays extended scheduler tasks information.

SYNOPSIS

       torrus schedulerinfo --tree=TREENAME [options...]

DESCRIPTION

       This utility displays the extended scheduler tasks information for tree TREENAME on standard output. This
       might be useful for scheduler planning and analysis.

OPTIONS

       --config
           Reports scheduler's configuration. The values are explained below.

           Total collector/monitor leaves: N
                   Total number of datasources being processed by collector or monitor daemon.

           Scheduled leaves by type
                   Torrus supports arbitrary number of collector types, and this report shows how many
                   datasources belong to every type. Currently the monitor leaves are not divided into types.

           Least common period: N seconds
                   The report below shows how the tasks are distributed across the time line, and the least
                   common period shows the period of this time line.

           Tasks execution timeline
                   This report tells which task and how many datasources are involved in each task startup
                   event, and how these events are dispersed across the time.  The column Interval shows the
                   time interval from each task execution event to the next event on the timeline.

       --runtime
           Reports scheduler's runtime statistics, such as running cycle times, late starts etc. The meaning of
           the output values is as follows. Values that have zero values are usually not printed.

           Task: Name, Period: N seconds, Offset: M seconds
                   Each scheduler task is characterized by its name (usually Collector or Monitor), period, and
                   timeoffset. Fore example, if period is set to 300 seconds, and offset is 14 seconds, then the
                   task would be executed at 00:00:14, 00:05:14, 00:10:14, and so on for every hour in a day.

           N running cycles passed
                   How many times the task was executed since last reset. The counter is normally reset after
                   torrus_compilexml(8) successfully compiles the configuration.

           N late starts
                   How many times the task has started with a delay from its normal schedule.

           N too long runs
                   How many times the task execution time was longer than its period.

           N overrun periods
                   How many periods have been missed because of too long executions.

           N missed periods
                   How many periods were missed because of any reason (such as other tasks delaying).

           Min, Max, Average, Exp Average
                   The time values are displayed in four columns: Minimum, Maximum and Average values since last
                   reset, and Exponential decay value, which may be interpreted as the average for last several
                   values. With defaults defined in torrus-config.pl, 95% of the average is calculated from last
                   3 values.

           Running Time
                   How long the task executes each period.

           Late Start
                   How long the task start was delayed.

           Too Long
                   How much time the too long run took.

           RRD Queue
                   In a multithreaded environment, the RRD files are written in a background thread. This value
                   shows the length of the RRD update queue at the beginning of each update cycle.

       --help
           Displays a help message.

SEE ALSO

       torrus(8), torrus_compilexml(8)

NOTES

       See more documentation at Torrus home page: http://torrus.org

AUTHOR

       Stanislav Sinyagin <ssinyagin@k-open.com>