GetOpenmetricsLabelMap creates a map of label keys and values It takes roachtest parameters and create relevant labels.

GetOpenmetricsLabelString creates a string that follows the openmetrics labels format.

NewClusterStatStreamer returns an implementation of StatsStreamer.

NewStatsCollector returns an implementation of the StatCollector interface.

SetupCollectorPromClient instantiates a prometheus client for the given configuration.

TrimTaggedSeries returns a map of labeled time series values that have equal start times, end times, and length.

AggQuery represents a two tier query, that (1) provides a query generating multiple labeled timeseries results (AggQuery.Stat) and (2) a method to aggregate the multiple time series in (1).

ClusterStat represents a filtered query by the given LabelName.

ClusterStatRun holds the summary value for a test run as well as per stat information collected during the run.

Interval represents a start and end time.

StatEvent represents a prometheus statistic point-in-time result, for a query.

StatPoint represents a cluster metric value at a point in time.

StatSummary holds the timeseries of some cluster aggregate statistic.

StatCollector provides a wrapper over PromQL, to query and return interval and point in time statistics.

StatExporter defines an interface to export statistics to roachperf.

StatStreamer collects registered point-in-time stats at an interval and reports them for processing.

AggregateFn processes a map of labeled series', aggregating into a single series.

ProcessStatEventFn processes a collection of stat events.

StatSeries is a collection of StatPoints, sorted in ascending order by StatPoint.Time.