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RRDtool
RRDtool
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Procedural PECL/rrd example
OOP PECL/rrd example
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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
rrdc_disconnect
— Close any outstanding connection to rrd caching daemon
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