WIP: DD_TRACE_DEBUG logs to info

[rachelyangdog]

DO NOT MERGE FOR TESTING PURPOSES

Checklist

• PR author has checked that all the criteria below are met
• The PR description includes an overview of the change
• The PR description articulates the motivation for the change
• The change includes tests OR the PR description describes a testing strategy
• The PR description notes risks associated with the change, if any
• Newly-added code is easy to change
• The change follows the library release note guidelines
• The change includes or references documentation updates if necessary
• Backport labels are set (if applicable)

Reviewer Checklist

• Reviewer has checked that all the criteria below are met
• Title is accurate
• All changes are related to the pull request's stated goal
• Avoids breaking API changes
• Testing strategy adequately addresses listed risks
• Newly-added code is easy to change
• Release note makes sense to a user of the library
• If necessary, author has acknowledged and discussed the performance implications of this PR as reported in the benchmarks PR comment
• Backport labels are set in a manner that is consistent with the release branch maintenance policy

[github-actions]

CODEOWNERS have been resolved as:

ddtrace/_trace/processor/__init__.py                                    @DataDog/apm-sdk-api-python
ddtrace/_trace/tracer.py                                                @DataDog/apm-sdk-api-python
ddtrace/internal/writer/writer.py                                       @DataDog/apm-core-python
ddtrace/settings/_config.py                                             @DataDog/apm-core-python

[github-actions]

Bootstrap import analysis

Comparison of import times between this PR and base.

Summary

The average import time from this PR is: 276 ± 3 ms.

The average import time from base is: 292 ± 9 ms.

The import time difference between this PR and base is: -16.7 ± 0.3 ms.

Import time breakdown

The following import paths have shrunk:

ddtrace.auto 14.000 ms (5.08%)

ddtrace 7.189 ms (2.61%)

ddtrace._logger 4.044 ms (1.47%)

ddtrace.internal.telemetry 3.836 ms (1.39%)

ddtrace.internal.telemetry.writer 2.064 ms (0.75%)

http.client 1.135 ms (0.41%)

email.parser 0.544 ms (0.20%)

email.feedparser 0.544 ms (0.20%)

email._policybase 0.544 ms (0.20%)

email.header 0.324 ms (0.12%)

email.charset 0.268 ms (0.10%)

email.utils 0.194 ms (0.07%)

random 0.066 ms (0.02%)

bisect 0.023 ms (0.01%)

_bisect 0.023 ms (0.01%)

email._parseaddr 0.055 ms (0.02%)

calendar 0.055 ms (0.02%)

datetime 0.031 ms (0.01%)

_datetime 0.031 ms (0.01%)

ssl 0.432 ms (0.16%)

_ssl 0.180 ms (0.07%)

email.message 0.039 ms (0.01%)

http 0.034 ms (0.01%)

ddtrace.internal.telemetry.data 0.273 ms (0.10%)

ddtrace.internal.packages 0.199 ms (0.07%)

_sysconfigdata__linux_x86_64-linux-gnu 0.083 ms (0.03%)

sysconfig 0.042 ms (0.02%)

ddtrace.internal.runtime.container 0.033 ms (0.01%)

ddtrace.internal.periodic 0.129 ms (0.05%)

ddtrace.internal._threads 0.129 ms (0.05%)

ddtrace.settings._telemetry 0.101 ms (0.04%)

ddtrace.settings._inferred_base_service 0.044 ms (0.02%)

ddtrace.internal.runtime 0.097 ms (0.04%)

uuid 0.097 ms (0.04%)

platform 0.054 ms (0.02%)

ddtrace.internal.encoding 0.079 ms (0.03%)

ddtrace.internal._encoding 0.062 ms (0.02%)

ddtrace.internal.telemetry.metrics_namespaces 0.066 ms (0.02%)

ddtrace.internal.utils.version 0.057 ms (0.02%)

ddtrace.vendor.packaging.version 0.057 ms (0.02%)

ddtrace.internal.forksafe 0.022 ms (0.01%)

ddtrace.internal.utils.time 0.019 ms (0.01%)

ddtrace.settings._agent 1.465 ms (0.53%)

ddtrace.settings 0.979 ms (0.36%)

ddtrace.settings.http 0.578 ms (0.21%)

ddtrace.internal.utils.cache 0.416 ms (0.15%)

inspect 0.416 ms (0.15%)

ast 0.106 ms (0.04%)

_ast 0.046 ms (0.02%)

dis 0.025 ms (0.01%)

opcode 0.025 ms (0.01%)

_opcode 0.025 ms (0.01%)

ddtrace.internal.utils.http 0.162 ms (0.06%)

email.encoders 0.053 ms (0.02%)

base64 0.053 ms (0.02%)

struct 0.029 ms (0.01%)

_struct 0.029 ms (0.01%)

binascii 0.024 ms (0.01%)

dataclasses 0.039 ms (0.01%)

ddtrace.settings.integration 0.401 ms (0.15%)

ddtrace.vendor.debtcollector 0.385 ms (0.14%)

ddtrace.vendor 0.310 ms (0.11%)

ddtrace.internal.module 0.310 ms (0.11%)

ddtrace.internal.wrapping.context 0.270 ms (0.10%)

ddtrace.internal.wrapping 0.150 ms (0.05%)

bytecode 0.129 ms (0.05%)

bytecode.bytecode 0.091 ms (0.03%)

bytecode.flags 0.091 ms (0.03%)

bytecode.instr 0.091 ms (0.03%)

bytecode.cfg 0.038 ms (0.01%)

ddtrace.internal.utils.inspection 0.058 ms (0.02%)

ddtrace.internal.safety 0.032 ms (0.01%)

wrapt 0.032 ms (0.01%)

wrapt.__wrapt__ 0.032 ms (0.01%)

wrapt._wrappers 0.032 ms (0.01%)

contextvars 0.021 ms (0.01%)

_contextvars 0.021 ms (0.01%)

ddtrace.vendor.debtcollector.moves 0.048 ms (0.02%)

socket 0.266 ms (0.10%)

_socket 0.103 ms (0.04%)

array 0.039 ms (0.01%)

ddtrace.settings._core 0.187 ms (0.07%)

envier 0.079 ms (0.03%)

envier.env 0.079 ms (0.03%)

ddtrace.internal.native 0.062 ms (0.02%)

ddtrace.internal.native._native 0.062 ms (0.02%)

ddtrace.internal.utils.formats 0.178 ms (0.06%)

ddtrace.internal.compat 0.145 ms (0.05%)

pathlib 0.097 ms (0.04%)

urllib.parse 0.047 ms (0.02%)

ntpath 0.011 ms (0.00%)

ipaddress 0.048 ms (0.02%)

ddtrace.internal.constants 0.033 ms (0.01%)

ddtrace.constants 0.033 ms (0.01%)

ddtrace.internal.telemetry.constants 0.030 ms (0.01%)

ddtrace.settings._otel_remapper 0.026 ms (0.01%)

logging 0.122 ms (0.04%)

traceback 0.053 ms (0.02%)

linecache 0.027 ms (0.01%)

tokenize 0.027 ms (0.01%)

typing 0.086 ms (0.03%)

ddtrace.trace 0.925 ms (0.34%)

ddtrace._trace.filters 0.582 ms (0.21%)

ddtrace._trace.processor 0.582 ms (0.21%)

ddtrace._trace.sampler 0.252 ms (0.09%)

ddtrace._trace.span 0.252 ms (0.09%)

ddtrace.internal.sampling 0.058 ms (0.02%)

ddtrace.internal.rate_limiter 0.035 ms (0.01%)

ddtrace._trace.sampling_rule 0.023 ms (0.01%)

ddtrace.internal._rand 0.055 ms (0.02%)

ddtrace._trace._span_pointer 0.037 ms (0.01%)

pprint 0.029 ms (0.01%)

ddtrace.internal.dogstatsd 0.139 ms (0.05%)

ddtrace.vendor.dogstatsd 0.139 ms (0.05%)

ddtrace.vendor.dogstatsd.base 0.139 ms (0.05%)

ddtrace.vendor.dogstatsd.container 0.031 ms (0.01%)

queue 0.018 ms (0.01%)

heapq 0.018 ms (0.01%)

ddtrace.internal.writer 0.134 ms (0.05%)

ddtrace.internal.writer.writer 0.118 ms (0.04%)

gzip 0.041 ms (0.01%)

ddtrace._trace.tracer 0.136 ms (0.05%)

ddtrace.internal.processor.endpoint_call_counter 0.047 ms (0.02%)

ddtrace.internal.debug 0.033 ms (0.01%)

ddtrace._trace.context 0.079 ms (0.03%)

ddtrace._trace._span_link 0.045 ms (0.02%)

ddtrace.settings._config 0.796 ms (0.29%)

ddtrace.internal.gitmetadata 0.506 ms (0.18%)

ddtrace.ext.ci 0.506 ms (0.18%)

ddtrace.ext.git 0.453 ms (0.16%)

tempfile 0.304 ms (0.11%)

shutil 0.094 ms (0.03%)

zlib 0.026 ms (0.01%)

ddtrace.ext 0.021 ms (0.01%)

ddtrace.internal._file_queue 0.084 ms (0.03%)

secrets 0.084 ms (0.03%)

hmac 0.084 ms (0.03%)

_hashlib 0.084 ms (0.03%)

ddtrace.internal.schema 0.052 ms (0.02%)

ddtrace.internal.schema.span_attribute_schema 0.027 ms (0.01%)

ddtrace.internal._unpatched 0.412 ms (0.15%)

subprocess 0.247 ms (0.09%)

contextlib 0.197 ms (0.07%)

fcntl 0.016 ms (0.01%)

json 0.119 ms (0.04%)

json.decoder 0.119 ms (0.04%)

re 0.096 ms (0.03%)

enum 0.096 ms (0.03%)

types 0.040 ms (0.01%)

json.scanner 0.024 ms (0.01%)

_json 0.024 ms (0.01%)

threading 0.046 ms (0.02%)

ddtrace._monkey 0.324 ms (0.12%)

ddtrace.appsec._listeners 0.126 ms (0.05%)

ddtrace.internal.core 0.126 ms (0.05%)

ddtrace.internal.core.event_hub 0.091 ms (0.03%)

ddtrace.vendor.packaging.specifiers 0.090 ms (0.03%)

ddtrace.settings.asm 0.062 ms (0.02%)

ddtrace.bootstrap.sitecustomize 6.811 ms (2.47%)

ddtrace.bootstrap.preload 5.433 ms (1.97%)

ddtrace.internal.remoteconfig.client 0.918 ms (0.33%)

ddtrace.settings.profiling 0.669 ms (0.24%)

ddtrace.vendor.psutil 0.461 ms (0.17%)

ddtrace.vendor.psutil._pslinux 0.202 ms (0.07%)

ddtrace.vendor.psutil._psutil_linux 0.035 ms (0.01%)

glob 0.027 ms (0.01%)

ddtrace.vendor.psutil._common 0.095 ms (0.03%)

ddtrace.vendor.psutil._compat 0.023 ms (0.01%)

pwd 0.012 ms (0.00%)

ddtrace.internal.datadog.profiling.ddup 0.077 ms (0.03%)

ddtrace.internal.datadog.profiling.ddup._ddup 0.077 ms (0.03%)

ddtrace.internal.datadog.profiling.stack_v2 0.042 ms (0.02%)

ddtrace.internal.datadog.profiling.stack_v2._stack_v2 0.042 ms (0.02%)

ddtrace.internal.products 0.651 ms (0.24%)

importlib.metadata 0.623 ms (0.23%)

zipfile 0.365 ms (0.13%)

zipfile._path 0.274 ms (0.10%)

csv 0.072 ms (0.03%)

_csv 0.044 ms (0.02%)

importlib.abc 0.030 ms (0.01%)

importlib.resources 0.030 ms (0.01%)

importlib.resources._common 0.030 ms (0.01%)

importlib.metadata._meta 0.028 ms (0.01%)

importlib.metadata._adapters 0.024 ms (0.01%)

multiprocessing.sharedctypes 0.387 ms (0.14%)

multiprocessing.heap 0.351 ms (0.13%)

mmap 0.319 ms (0.12%)

multiprocessing.util 0.032 ms (0.01%)

ddtrace.internal.symbol_db.remoteconfig 0.229 ms (0.08%)

ddtrace.internal.symbol_db.symbols 0.131 ms (0.05%)

multiprocessing 0.217 ms (0.08%)

multiprocessing.context 0.217 ms (0.08%)

multiprocessing.reduction 0.160 ms (0.06%)

pickle 0.133 ms (0.05%)

_pickle 0.029 ms (0.01%)

_compat_pickle 0.027 ms (0.01%)

multiprocessing.process 0.024 ms (0.01%)

ddtrace.settings.crashtracker 0.179 ms (0.06%)

ddtrace.internal.datadog.profiling.crashtracker 0.136 ms (0.05%)

ddtrace.internal.datadog.profiling.crashtracker._crashtracker 0.136 ms (0.05%)

ddtrace.internal.remoteconfig._connectors 0.161 ms (0.06%)

ctypes 0.135 ms (0.05%)

_ctypes 0.071 ms (0.03%)

ddtrace.internal.flare.flare 0.137 ms (0.05%)

logging.handlers 0.077 ms (0.03%)

ddtrace.appsec._remoteconfiguration 0.115 ms (0.04%)

ddtrace.appsec._capabilities 0.039 ms (0.01%)

ddtrace.debugging._import 0.076 ms (0.03%)

ddtrace.debugging._function.discovery 0.057 ms (0.02%)

ddtrace.internal.remoteconfig.worker 0.060 ms (0.02%)

ddtrace.settings.dynamic_instrumentation 0.048 ms (0.02%)

ddtrace.settings.code_origin 0.032 ms (0.01%)

ddtrace.appsec._common_module_patches 0.468 ms (0.17%)

ddtrace.appsec._asm_request_context 0.428 ms (0.16%)

ddtrace.appsec._utils 0.368 ms (0.13%)

ddtrace._trace.trace_handlers 0.459 ms (0.17%)

ddtrace._trace._inferred_proxy 0.222 ms (0.08%)

ddtrace.propagation.http 0.222 ms (0.08%)

ddtrace.internal._tagset 0.069 ms (0.03%)

ddtrace.contrib.trace_utils 0.105 ms (0.04%)

ddtrace.contrib.internal.trace_utils 0.084 ms (0.03%)

ddtrace.contrib.internal.trace_utils_base 0.043 ms (0.02%)

ddtrace.contrib.internal.redis_utils 0.021 ms (0.01%)

shlex 0.039 ms (0.01%)

[pr-commenter]

Benchmarks

Benchmark execution time: 2025-07-17 23:54:57

Comparing candidate commit 927e50d in PR branch rachel.yang/incident with baseline commit 1f8c272 in branch 3.10.

Found 0 performance improvements and 36 performance regressions! Performance is the same for 512 metrics, 2 unstable metrics.

scenario:djangosimple-appsec

• 🟥 execution_time [+6.829ms; +6.995ms] or [+31.780%; +32.552%]

scenario:djangosimple-exception-replay-enabled

• 🟥 execution_time [+747.124µs; +831.472µs] or [+54.339%; +60.474%]

scenario:djangosimple-iast

• 🟥 execution_time [+6.785ms; +6.918ms] or [+31.486%; +32.103%]

scenario:djangosimple-span-code-origin

• 🟥 execution_time [+10.886ms; +11.059ms] or [+39.993%; +40.627%]

scenario:djangosimple-tracer

• 🟥 execution_time [+6.724ms; +6.891ms] or [+31.149%; +31.921%]

scenario:djangosimple-tracer-and-profiler

• 🟥 execution_time [+7.233ms; +7.367ms] or [+30.133%; +30.693%]

scenario:djangosimple-tracer-no-caches

• 🟥 execution_time [+3.945ms; +4.082ms] or [+20.809%; +21.534%]

scenario:djangosimple-tracer-no-databases

• 🟥 execution_time [+5.095ms; +5.219ms] or [+26.247%; +26.887%]

scenario:djangosimple-tracer-no-middleware

• 🟥 execution_time [+6.541ms; +6.682ms] or [+30.664%; +31.325%]

scenario:djangosimple-tracer-no-templates

• 🟥 execution_time [+6.606ms; +6.746ms] or [+31.026%; +31.682%]

scenario:errortrackingdjangosimple-errortracking-enabled-all

• 🟥 execution_time [+3.937ms; +4.075ms] or [+21.168%; +21.910%]

scenario:errortrackingdjangosimple-errortracking-enabled-user

• 🟥 execution_time [+3.976ms; +4.103ms] or [+21.343%; +22.025%]

scenario:errortrackingdjangosimple-tracer-enabled

• 🟥 execution_time [+3.959ms; +4.099ms] or [+21.264%; +22.012%]

scenario:errortrackingflasksqli-errortracking-enabled-all

• 🟥 execution_time [+1.464ms; +1.489ms] or [+67.964%; +69.101%]

scenario:errortrackingflasksqli-errortracking-enabled-user

• 🟥 execution_time [+1.448ms; +1.462ms] or [+67.244%; +67.866%]

scenario:errortrackingflasksqli-tracer-enabled

• 🟥 execution_time [+1.464ms; +1.488ms] or [+67.837%; +68.945%]

scenario:flasksimple-appsec-get

• 🟥 execution_time [+1.692ms; +1.718ms] or [+36.355%; +36.907%]

scenario:flasksimple-appsec-post

• 🟥 execution_time [+1.465ms; +1.488ms] or [+23.307%; +23.664%]

scenario:flasksimple-appsec-telemetry

• 🟥 execution_time [+1.687ms; +1.704ms] or [+36.148%; +36.515%]

scenario:flasksimple-tracer

• 🟥 execution_time [+1.497ms; +1.513ms] or [+43.579%; +44.041%]

scenario:flasksqli-appsec-enabled

• 🟥 execution_time [+1.646ms; +1.665ms] or [+41.157%; +41.625%]

scenario:flasksqli-iast-enabled

• 🟥 execution_time [+1.448ms; +1.498ms] or [+55.122%; +57.022%]

scenario:flasksqli-tracer-enabled

• 🟥 execution_time [+1.446ms; +1.467ms] or [+67.440%; +68.439%]

scenario:otelspan-start-finish

• 🟥 execution_time [+241.585ms; +243.173ms] or [+293.690%; +295.622%]

scenario:otelspan-start-finish-telemetry

• 🟥 execution_time [+242.819ms; +244.897ms] or [+289.423%; +291.900%]

scenario:recursivecomputation-deep

• 🟥 execution_time [+50.223ms; +51.685ms] or [+16.247%; +16.720%]

scenario:recursivecomputation-deep-profiled

• 🟥 execution_time [+56.642ms; +59.325ms] or [+16.450%; +17.229%]

scenario:recursivecomputation-medium

• 🟥 execution_time [+6.681ms; +6.753ms] or [+94.633%; +95.659%]

scenario:recursivecomputation-shallow

• 🟥 execution_time [+1.601ms; +1.614ms] or [+168.035%; +169.447%]

scenario:span-start-finish

• 🟥 execution_time [+229.645ms; +232.031ms] or [+454.185%; +458.905%]

scenario:span-start-finish-telemetry

• 🟥 execution_time [+230.234ms; +231.674ms] or [+439.774%; +442.524%]

scenario:span-start-finish-traceid128

• 🟥 execution_time [+233.907ms; +235.520ms] or [+429.329%; +432.290%]

scenario:telemetryaddmetric-1-distribution-metric-1-times

• 🟥 execution_time [+392.096ns; +423.216ns] or [+13.322%; +14.379%]

scenario:tracer-large

• 🟥 execution_time [+96.052ms; +97.715ms] or [+316.298%; +321.775%]

scenario:tracer-medium

• 🟥 execution_time [+9.645ms; +9.721ms] or [+321.014%; +323.527%]

scenario:tracer-small

• 🟥 execution_time [+1.130ms; +1.146ms] or [+332.919%; +337.532%]