Add traces sampling function support for Windows and Linux #1057
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mujacica
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Aug 27, 2025
plugin-dev/Source/Sentry/Private/GenericPlatform/GenericPlatformSentrySubsystem.cpp
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| if (settings->EnableTracing && settings->SamplingType == ESentryTracesSamplingType::TracesSampler) | ||
| { | ||
| UE_LOG(LogSentrySdk, Warning, TEXT("The Native SDK doesn't currently support sampling functions")); | ||
| sentry_options_set_traces_sampler(options, HandleTraceSampling); |
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Can we make HandleTraceSampling non-static and forward "this" here. We could get rid of the static pointer to the class then?
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Unlike other Native SDK callbacks sentry_options_set_traces_sampler doesn’t provide a user_data parameter which normally acts as a closure allowing access to the subsystem implementation within the handler.
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plugin-dev/Source/Sentry/Private/GenericPlatform/GenericPlatformSentrySubsystem.h
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jpnurmi
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Aug 28, 2025
tustanivsky
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Aug 28, 2025
This PR updates `Sampling` section for Unreal SDK docs: - Removed notice that trace sampling function is not supported on Windows and Linux - Updated custom trace sampler example Related to: - getsentry/sentry-unreal#1057
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This PR adds Unreal Engine SDK migration guide for the upcoming `1.0.0` plugin release. Related to: - getsentry/sentry-unreal#928 - getsentry/sentry-unreal#971 - getsentry/sentry-unreal#1051 - getsentry/sentry-unreal#1018 - getsentry/sentry-unreal#886 - getsentry/sentry-unreal#745 - getsentry/sentry-unreal#436 - getsentry/sentry-unreal#589 - getsentry/sentry-unreal#1057 - getsentry/sentry-unreal#669 --------- Co-authored-by: Bruno Garcia <[email protected]>
mujacica
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* Rework creating transaction with options * Add trace sampler support for Windows/Linux * Format code * Move global ref under platform define * Clean up * Update changelog * Update package snapshot * Reset global static pointer on subsystem close * Remove static global subsystem pointer * Format code * Add engine null check * Format code * Add tests * Update packeage snapshot * Format code --------- Co-authored-by: Sentry Github Bot <[email protected]>
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This PR introduces traces sampling function support for platforms where the Unreal plugin relies on
sentry-native(enabled by getsentry/sentry-native#1108)Key changes:
FSentryTransactionOptionsstruct to hold custom sampling context (intended to be extended in future)USentrySubsystem::StartTransactionWithContextAndOptionsnow acceptsFSentryTransactionOptionsinstead ofTMap<FString, FString>FSentryVariantinstead ofFStringRelated docs update: