contention

package
Version: v3.3.9+incompatible Latest Latest
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Published: Sep 3, 2018 License: Apache-2.0 Imports: 2 Imported by: 0

Documentation

Overview

Package contention provides facilities for detecting system contention.

Index

Constants

This section is empty.

Variables

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Functions

This section is empty.

Types

type TimeoutDetector

type TimeoutDetector struct {
	// contains filtered or unexported fields
}

TimeoutDetector detects routine starvations by observing the actual time duration to finish an action or between two events that should happen in a fixed interval. If the observed duration is longer than the expectation, the detector will report the result.

func NewTimeoutDetector

func NewTimeoutDetector(maxDuration time.Duration) *TimeoutDetector

NewTimeoutDetector creates the TimeoutDetector.

func (*TimeoutDetector) Observe

func (td *TimeoutDetector) Observe(which uint64) (bool, time.Duration)

Observe observes an event for given id. It returns false and exceeded duration if the interval is longer than the expectation.

func (*TimeoutDetector) Reset

func (td *TimeoutDetector) Reset()

Reset resets the NewTimeoutDetector.

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