RRDtool
- Introduction
- Installing/Configuring
- Predefined Constants
- Examples
- RRD Functions
- rrd_create - Creates rrd database file
- rrd_error - Gets latest error message.
- rrd_fetch - Fetch the data for graph as array.
- rrd_first - Gets the timestamp of the first sample from rrd file.
- rrd_graph - Creates image from a data.
- rrd_info - Gets information about rrd file
- rrd_last - Gets unix timestamp of the last sample.
- rrd_lastupdate - Gets information about last updated data.
- rrd_restore - Restores the RRD file from XML dump.
- rrd_tune - Tunes some RRD database file header options.
- rrd_update - Updates the RRD database.
- rrd_version - Gets information about underlying rrdtool library
- rrd_xport - Exports the information about RRD database.
- RRDCreator - The RRDCreator class
- RRDCreator::addArchive - Adds RRA - archive of data values for each data source.
- RRDCreator::addDataSource - Adds data source definition for RRD database.
- RRDCreator::__construct - Creates new RRDCreator instance
- RRDCreator::save - Saves the RRD database to a file
- RRDGraph - The RRDGraph class
- RRDGraph::__construct - Creates new RRDGraph instance
- RRDGraph::save - Saves the result of query into image
- RRDGraph::saveVerbose - Saves the RRD database query into image and returns the verbose information about generated graph.
- RRDGraph::setOptions - Sets the options for rrd graph export
- RRDUpdater - The RRDUpdater class
- RRDUpdater::__construct - Creates new RRDUpdater instance
- RRDUpdater::update - Update the RRD database file