profiling: move echion to dd-trace-py #14949

KowalskiThomas · 2025-10-20T13:54:31Z

Description

Testing

Risks

Additional Notes

github-actions · 2025-10-20T13:55:15Z

CODEOWNERS have been resolved as:

ddtrace/internal/datadog/profiling/echion/.clang-format                 @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/.gitignore                    @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/cache.h                @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/config.h               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/cpython/tasks.h        @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/errors.h               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/frame.cc               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/frame.h                @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/greenlets.h            @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/interp.h               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/long.h                 @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/mirrors.h              @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/render.h               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/signals.h              @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/stack_chunk.h          @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/stacks.h               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/state.h                @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/strings.h              @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/tasks.h                @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/threads.h              @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/timing.h               @DataDog/profiling-python
ddtrace/internal/datadog/profiling/echion/echion/vm.h                   @DataDog/profiling-python
ddtrace/internal/datadog/profiling/stack_v2/CMakeLists.txt              @DataDog/profiling-python

github-actions · 2025-10-20T14:20:43Z

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 246 ± 4 ms.

The average import time from base is: 242 ± 3 ms.

The import time difference between this PR and base is: 4.1 ± 0.2 ms.

Import time breakdown

The following import paths have grown:

ddtrace.auto 2.159 ms (0.88%)

ddtrace 1.382 ms (0.56%)

ddtrace._logger 0.852 ms (0.35%)

ddtrace.internal.telemetry 0.852 ms (0.35%)

ddtrace.internal.telemetry.writer 0.454 ms (0.18%)

ddtrace.settings._telemetry 0.170 ms (0.07%)

http.client 0.056 ms (0.02%)

ssl 0.056 ms (0.02%)

_ssl 0.056 ms (0.02%)

ddtrace.internal.endpoints 0.049 ms (0.02%)

ddtrace.internal.packages 0.044 ms (0.02%)

_sysconfigdata__linux_x86_64-linux-gnu 0.044 ms (0.02%)

ddtrace.internal.periodic 0.040 ms (0.02%)

ddtrace.internal._threads 0.040 ms (0.02%)

ddtrace.internal.encoding 0.035 ms (0.01%)

ddtrace.internal._encoding 0.035 ms (0.01%)

ddtrace.internal.telemetry.metrics_namespaces 0.031 ms (0.01%)

ddtrace.internal.runtime 0.029 ms (0.01%)

uuid 0.029 ms (0.01%)

platform 0.029 ms (0.01%)

ddtrace.settings._agent 0.252 ms (0.10%)

ddtrace.settings 0.151 ms (0.06%)

ddtrace.vendor.debtcollector 0.151 ms (0.06%)

ddtrace.vendor 0.151 ms (0.06%)

ddtrace.internal.module 0.151 ms (0.06%)

ddtrace.internal.wrapping.context 0.151 ms (0.06%)

ddtrace.internal.utils.inspection 0.131 ms (0.05%)

ddtrace.internal.safety 0.131 ms (0.05%)

wrapt 0.131 ms (0.05%)

wrapt.importer 0.115 ms (0.05%)

importlib.metadata 0.115 ms (0.05%)

importlib.metadata._adapters 0.115 ms (0.05%)

email.message 0.115 ms (0.05%)

email.utils 0.115 ms (0.05%)

email.charset 0.093 ms (0.04%)

email.encoders 0.093 ms (0.04%)

socket 0.023 ms (0.01%)

_socket 0.023 ms (0.01%)

wrapt.__wrapt__ 0.016 ms (0.01%)

wrapt._wrappers 0.016 ms (0.01%)

ddtrace.internal.wrapping 0.020 ms (0.01%)

bytecode 0.020 ms (0.01%)

bytecode.cfg 0.020 ms (0.01%)

bytecode.concrete 0.020 ms (0.01%)

struct 0.020 ms (0.01%)

_struct 0.020 ms (0.01%)

ddtrace.settings._core 0.101 ms (0.04%)

ddtrace.internal.native 0.061 ms (0.02%)

ddtrace.internal.native._native 0.061 ms (0.02%)

ddtrace.internal.utils.formats 0.097 ms (0.04%)

ddtrace.internal.compat 0.097 ms (0.04%)

pathlib 0.097 ms (0.04%)

ddtrace.settings._otel_remapper 0.049 ms (0.02%)

ddtrace.trace 0.488 ms (0.20%)

ddtrace._trace.filters 0.385 ms (0.16%)

ddtrace._trace.processor 0.385 ms (0.16%)

ddtrace.internal.writer 0.270 ms (0.11%)

ddtrace.internal.writer.writer 0.270 ms (0.11%)

ddtrace.internal.dist_computing.utils 0.156 ms (0.06%)

ddtrace.internal.dist_computing 0.156 ms (0.06%)

ddtrace.internal.dogstatsd 0.039 ms (0.02%)

ddtrace.vendor.dogstatsd 0.039 ms (0.02%)

ddtrace.vendor.dogstatsd.base 0.039 ms (0.02%)

gzip 0.027 ms (0.01%)

ddtrace._trace.sampler 0.115 ms (0.05%)

ddtrace._trace.span 0.115 ms (0.05%)

ddtrace._trace._span_pointer 0.052 ms (0.02%)

hashlib 0.052 ms (0.02%)

_hashlib 0.052 ms (0.02%)

ddtrace.internal._rand 0.021 ms (0.01%)

ddtrace._trace.tracer 0.036 ms (0.01%)

ddtrace._monkey 0.042 ms (0.02%)

ddtrace.appsec._listeners 0.042 ms (0.02%)

ddtrace.inte
8000
rnal.core

0.042 ms (0.02%)

ddtrace.internal.core.event_hub 0.042 ms (0.02%)

ddtrace.bootstrap.sitecustomize 0.778 ms (0.32%)

ddtrace.bootstrap.preload 0.623 ms (0.25%)

multiprocessing 0.258 ms (0.11%)

multiprocessing.context 0.258 ms (0.11%)

multiprocessing.reduction 0.236 ms (0.10%)

pickle 0.236 ms (0.10%)

_pickle 0.185 ms (0.08%)

multiprocessing.process 0.022 ms (0.01%)

ddtrace.internal.symbol_db.remoteconfig 0.132 ms (0.05%)

ddtrace.internal.symbol_db.symbols 0.086 ms (0.04%)

ddtrace.internal.core.crashtracking 0.088 ms (0.04%)

ddtrace.settings.profiling 0.064 ms (0.03%)

ddtrace.internal.datadog.profiling.ddup 0.041 ms (0.02%)

ddtrace.internal.datadog.profiling.ddup._ddup 0.041 ms (0.02%)

ddtrace.internal.datadog.profiling.stack_v2 0.023 ms (0.01%)

ddtrace.internal.datadog.profiling.stack_v2._stack_v2 0.023 ms (0.01%)

ddtrace.settings.dynamic_instrumentation 0.031 ms (0.01%)

ddtrace.internal.products 0.018 ms (0.01%)

ddtrace.internal.remoteconfig._publishers 0.017 ms (0.01%)

ddtrace.internal.remoteconfig._pubsub 0.016 ms (0.01%)

ddtrace.internal.remoteconfig._subscribers 0.016 ms (0.01%)

ddtrace._trace.trace_handlers 0.155 ms (0.06%)

ddtrace._trace._inferred_proxy 0.094 ms (0.04%)

ddtrace.propagation.http 0.094 ms (0.04%)

ddtrace.internal._tagset 0.035 ms (0.01%)

The following import paths have shrunk:

ddtrace.auto 1.169 ms (0.48%)

ddtrace 0.671 ms (0.27%)

ddtrace.internal._unpatched 0.027 ms (0.01%)

json 0.027 ms (0.01%)

json.decoder 0.027 ms (0.01%)

re 0.027 ms (0.01%)

enum 0.027 ms (0.01%)

types 0.027 ms (0.01%)

ddtrace.bootstrap.sitecustomize 0.498 ms (0.20%)

ddtrace.bootstrap.preload 0.498 ms (0.20%)

ddtrace.internal.remoteconfig.client 0.498 ms (0.20%)

KowalskiThomas force-pushed the kowalski/move-echion-to-dd-trace-py branch from f207676 to 0b4c5bf Compare October 20, 2025 13:55

KowalskiThomas force-pushed the kowalski/move-echion-to-dd-trace-py branch 2 times, most recently from 525724d to 527f6af Compare October 20, 2025 13:56

KowalskiThomas added 2 commits October 20, 2025 16:05

profiling: copy echion over

98eb289

profiling: remove unneeded files from echion

ec94439

KowalskiThomas force-pushed the kowalski/fix-profiling-adapt-stack-v2-to-exception-free-echion branch from 495f060 to 5c8cf13 Compare October 20, 2025 14:05

KowalskiThomas force-pushed the kowalski/move-echion-to-dd-trace-py branch from 527f6af to a9b23b9 Compare October 20, 2025 14:05

profiling: remove unneeded files from echion

7f14a83

KowalskiThomas force-pushed the kowalski/move-echion-to-dd-trace-py branch from a9b23b9 to 7f14a83 Compare October 20, 2025 14:22

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Description

Testing

Risks

Additional Notes

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Bootstrap import analysis

Summary

Import time breakdown

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