Debugging

Observe the behaviour of your code with tracing, logging, and telemetry.

75 results

Check out Package Feeds

@hackage/traced
Simple evaluation trace
BSD-3-Clausev3000Sun, 8 Mar 2015
@hackage/opentelemetry-lightstep
Apache-2.0v0.8.0Thu, 7 Apr 2022
@hackage/GHood
A graphical viewer for Hood
BSD-3-Clausev0.0.7Mon, 14 May 2018
@hackage/vacuum
Graph representation of the GHC heap
LGPL-3.0-onlyv2.2.0.0Tue, 13 May 2014
@hackage/hs-opentelemetry-vendor-honeycomb
Optional OpenTelemetry integration for Honeycomb
BSD-3-Clausev0.0.1.2Sun, 24 Nov 2024
@hackage/ap-reflect
Partial evaluation reflection a la simple-reflect.
BSD-3-Clausev0.3Mon, 3 Oct 2016
@hackage/nonfree
Free structures sans laws
MITv0.1.0.4Tue, 24 Jul 2018
@hackage/hpc-strobe
Hpc-generated strobes for a running Haskell program
BSD-3-Clausev0.1Fri, 8 May 2009
@hackage/opentelemetry-wai
Apache-2.0v0.8.0Thu, 7 Apr 2022
@hackage/linux-perf
Read files generated by perf on Linux
BSD-3-Clausev0.3Sat, 3 Nov 2012
@hackage/hs-opentelemetry-propagator-b3
Trace propagation via HTTP headers following the b3 tracestate spec.
BSD-3-Clausev0.0.1.2Sun, 24 Nov 2024
@hackage/data-prometheus
Prometheus metrics text format
BSD-3-Clausev0.1.0.0Sat, 29 Mar 2025
@hackage/network-metrics
Send metrics to Ganglia, Graphite, and statsd.
LicenseRef-OtherLicensev0.4Wed, 6 Aug 2014
@hackage/trace-function-call
Easy lightweight tracing of function arguments and results for ad hoc debugging
BSD-3-Clausev0.1Tue, 20 Dec 2011
@hackage/remote-debugger
Interface to ghci debugger
BSD-3-Clausev0.2.2Thu, 6 Aug 2015
@hackage/hs-opentelemetry-exporter-otlp
OpenTelemetry exporter supporting the standard OTLP protocol
BSD-3-Clausev0.1.0.0Sun, 24 Nov 2024
@hackage/isevaluated
Check whether a value has been evaluated
MITv0.3.0.2Mon, 23 Jul 2012
@hackage/asn1dump
Dump ASN1 structure
BSD-3-Clausev0.1.0Sun, 23 Feb 2014
@hackage/todo
A replacement for undefined that gives warnings.
BSD-3-Clausev0.2.0.3Fri, 16 Dec 2022
@hackage/ghc-vis
Live visualization of data structures in GHCi
BSD-3-Clausev0.9.3.1Sun, 7 Jan 2024
@hackage/debug
Simple trace-based debugger
BSD-3-Clausev0.1.1Mon, 19 Mar 2018
@hackage/KiCS-debugger
debug features for kics
LicenseRef-OtherLicensev0.1.1Fri, 23 Oct 2009
@hackage/opentelemetry
Apache-2.0v0.8.0Thu, 7 Apr 2022
@hackage/hs-opentelemetry-otlp
OpenTelemetry protocol buffer modules generated for the OTLP protocol by the proto-lens package
BSD-3-Clausev0.1.0.0Sun, 24 Nov 2024
@hackage/repr-tree-syb
Tree representation and pretty-printing of data structures based on SYB
MITv0.1.1Thu, 22 Sep 2016
@hackage/statsdi
A lovely [Dog]StatsD implementation
MITv0.2.0.0Thu, 25 Oct 2018
@hackage/DebugTraceHelpers
Convenience functions and instances for Debug.Trace
LicenseRef-GPLv0.12Tue, 11 Nov 2008
@hackage/hs-opentelemetry-instrumentation-wai
WAI instrumentation middleware for OpenTelemetry
BSD-3-Clausev0.1.1.0Sun, 24 Nov 2024
@hackage/debug-print
A structured alternative to Show
MITv0.2.1.0Mon, 7 Jul 2025
@hackage/nagios-check
Package for writing monitoring plugins
MITv0.3.2Tue, 1 Sep 2015
@hackage/hs-opentelemetry-sdk
OpenTelemetry SDK for use in applications.
BSD-3-Clausev0.1.0.0Sun, 24 Nov 2024
@hackage/Hoed
Lightweight algorithmic debugging.
BSD-3-Clausev0.5.1Sat, 17 Mar 2018
@hackage/simple-reflect
Simple reflection of expressions containing variables
BSD-3-Clausev0.3.3Wed, 14 Mar 2018
@hackage/debug-dump
File-based debug output
BSD-3-Clausev0.1.1.0Mon, 3 Jun 2019
@hackage/ghc-events
Library and tool for parsing .eventlog files from GHC
BSD-3-Clausev0.20.0.0Mon, 3 Mar 2025
@hackage/KiCS-prophecy
a transformation used by the kics debugger
LicenseRef-OtherLicensev0.1.1Fri, 23 Oct 2009
@hackage/debug-trace-var
You do not have to write variable names twice in Debug.Trace
MITv0.2.0Sat, 9 Jun 2018
@hackage/tracer
Tracing utilities for Functor/Applicative/Monad types
BSD-3-Clausev0.1Sat, 22 Mar 2014
@hackage/trace-call
functions for logging the arguments and results of function calls
BSD-3-Clausev0.1Wed, 14 Dec 2011
@hackage/DataTreeView
A GTK widget for displaying arbitrary Data.Data.Data instances
BSD-3-Clausev0.1.1Mon, 18 Jun 2012
@hackage/prometheus
Prometheus Haskell Client
BSD-3-Clausev2.3.0Wed, 7 Aug 2024
@hackage/box-tuples
A hack to use GHC.Prim primitives in GHCi
MITv0.2.0.4Sat, 6 Feb 2021
@hackage/haskell-stack-trace-plugin
haskell-stack-trace-plugin
MITv0.1.3.0Tue, 25 May 2021
@hackage/hs-opentelemetry-api
OpenTelemetry API for use by libraries for direct instrumentation or wrapper packages.
BSD-3-Clausev0.2.0.0Sun, 24 Nov 2024
@hackage/NoHoed
Placeholder package to preserve debug ability via conditional builds
BSD-3-Clausev0.1.1Thu, 31 Aug 2017
@hackage/ghc-events-parallel
Library and tool for parsing .eventlog files from parallel GHC
BSD-3-Clausev0.5.0.1Fri, 18 Jul 2014
@hackage/vacuum-graphviz
A library for transforming vacuum graphs into GraphViz output
LGPL-3.0-onlyv2.1.0.1Sat, 15 Sep 2012
@hackage/metricsd-client
Client for the metrics aggregator Metricsd
BSD-3-Clausev0.1Thu, 2 Jan 2014
@hackage/debug-time
Debug.Trace equivalent for timing computations
MITv0.1.0.1Sat, 9 Jan 2016
@hackage/opentelemetry-extra
Apache-2.0v0.8.0Thu, 7 Apr 2022
@hackage/htrace
Hierarchical tracing for debugging of lazy evaluation
BSD-3-Clausev0.1Wed, 25 Jan 2012
@hackage/aws-xray-client
A client for AWS X-Ray.
MITv0.1.0.2Wed, 6 Apr 2022
@hackage/hood
Debugging by observing in place
BSD-3-Clausev0.3.1Fri, 19 Jan 2018
@hackage/debug-diff
Display a colorized diff between two Haskell values
BSD-3-Clausev0.1Wed, 14 Sep 2011
@hackage/arbor-monad-metric-datadog
Metric library backend for datadog.
MITv1.1.2Mon, 18 Nov 2019
@hackage/debug-pp
A preprocessor for the debug package
BSD-3-Clausev0.1.1Sat, 20 Jan 2018
@hackage/arbor-monad-metric
Core metric library for publishing metrics.
MITv1.2.1Thu, 17 Oct 2019
@hackage/hs-opentelemetry-instrumentation-yesod
Yesod middleware for providing OpenTelemetry instrumentation
BSD-3-Clausev0.1.1.0Sun, 24 Nov 2024
@hackage/recover-rtti
Recover run-time type information from the GHC heap
BSD-3-Clausev0.5.0Tue, 11 Mar 2025
@hackage/bytedump
Flexible byte dump helpers for human readers.
BSD-3-Clausev1.0Thu, 6 Sep 2012
@hackage/freckle-otel
...
MITv0.0.0.2Fri, 9 Aug 2024
@hackage/guarded-allocation
Memory allocation with added stress tests and integrity checks
BSD-3-Clausev0.0.1Tue, 22 Jan 2019
@hackage/print-debugger
Debug print formatting library.
LicenseRef-PublicDomainv1.1.9Sun, 14 Feb 2016
@hackage/opentelemetry-http-client
Apache-2.0v0.2.0Sat, 7 Mar 2020
@hackage/ghcitui
A Terminal User Interface (TUI) for GHCi
BSD-3-Clausev0.4.1.1Thu, 26 Jun 2025
@hackage/hs-opentelemetry-propagator-w3c
Trace propagation via HTTP headers following the w3c tracestate spec.
BSD-3-Clausev0.0.1.4Sun, 24 Nov 2024
@hackage/ghc-dup
Explicitly prevent sharing
BSD-3-Clausev0.1Fri, 28 Sep 2012
@hackage/heapsize
Determine the size of runtime data structures
BSD-3-Clausev0.3.0.1Wed, 9 Dec 2020
@hackage/jdi
Implementation of Java Debug Interface
GPL-2.0-onlyv0.0.3Sun, 28 Oct 2012
@hackage/ghci-history-parser
parse output of ghci ":history" command
LicenseRef-PublicDomainv0.1.0.2Thu, 14 Jul 2016
@hackage/ghc-heap-view
Extract the heap representation of Haskell values and thunks
BSD-3-Clausev0.6.4.1Sat, 6 Jan 2024
@hackage/debug-trace-file
Like Debug.Trace but writing to files.
MITv1.0.0.1Fri, 30 Jun 2023
@hackage/ghc-datasize
Determine the size of data structures in GHC's memory
BSD-3-Clausev0.2.7Thu, 22 Aug 2024
@hackage/hood2
Debugging by observing in place
BSD-3-Clausev0.2.1Thu, 7 May 2015
@hackage/hood-off
Dummy package to disable Hood without having to remove all the calls to observe
BSD-3-Clausev0.2Tue, 6 May 2014

Debugging

@hackage/traced

@hackage/opentelemetry-lightstep

@hackage/GHood

@hackage/vacuum

@hackage/hs-opentelemetry-vendor-honeycomb

@hackage/ap-reflect

@hackage/nonfree

@hackage/hpc-strobe

@hackage/opentelemetry-wai

@hackage/linux-perf

@hackage/hs-opentelemetry-propagator-b3

@hackage/data-prometheus

@hackage/network-metrics

@hackage/trace-function-call

@hackage/remote-debugger

@hackage/hs-opentelemetry-exporter-otlp

@hackage/isevaluated

@hackage/asn1dump

@hackage/todo

@hackage/ghc-vis

@hackage/debug

@hackage/KiCS-debugger

@hackage/opentelemetry

@hackage/hs-opentelemetry-otlp

@hackage/repr-tree-syb

@hackage/statsdi

@hackage/DebugTraceHelpers

@hackage/hs-opentelemetry-instrumentation-wai

@hackage/debug-print

@hackage/nagios-check

@hackage/hs-opentelemetry-sdk

@hackage/Hoed

@hackage/simple-reflect

@hackage/debug-dump

@hackage/ghc-events

@hackage/KiCS-prophecy

@hackage/debug-trace-var

@hackage/tracer

@hackage/trace-call

@hackage/DataTreeView

@hackage/prometheus

@hackage/box-tuples

@hackage/haskell-stack-trace-plugin

@hackage/hs-opentelemetry-api

@hackage/NoHoed

@hackage/ghc-events-parallel

@hackage/vacuum-graphviz

@hackage/metricsd-client

@hackage/debug-time

@hackage/opentelemetry-extra

@hackage/htrace

@hackage/aws-xray-client

@hackage/hood

@hackage/debug-diff

@hackage/arbor-monad-metric-datadog

@hackage/debug-pp

@hackage/arbor-monad-metric

@hackage/hs-opentelemetry-instrumentation-yesod

@hackage/recover-rtti

@hackage/bytedump

@hackage/freckle-otel

@hackage/guarded-allocation

@hackage/print-debugger

@hackage/opentelemetry-http-client

@hackage/ghcitui

@hackage/hs-opentelemetry-propagator-w3c

@hackage/ghc-dup

@hackage/heapsize

@hackage/jdi

@hackage/ghci-history-parser

@hackage/ghc-heap-view

@hackage/debug-trace-file

@hackage/ghc-datasize

@hackage/hood2

@hackage/hood-off