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chore(antithesis): Intake v3 - #2167

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chore(antithesis): Intake v3#2167
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blt/chore_antithesis_intake_v3

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@blt blt commented Jul 20, 2026

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Summary

Change Type

  • Bug fix
  • New feature
  • Non-functional (chore, refactoring, docs)
  • Performance

How did you test this PR?

References

@dd-octo-sts dd-octo-sts Bot added the area/test All things testing: unit/integration, correctness, SMP regression, etc. label Jul 20, 2026

blt commented Jul 20, 2026

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@datadog-datadog-prod-us1-2

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Binary Size Analysis (Agent Data Plane)

Baseline: e4cba81 · Comparison: 64fa342 · diff
Analysis Configuration: stripped binaries · Pass/Fail Threshold: +5%
Sizes: 40.86 MiB (baseline) vs 40.86 MiB (comparison)
Size Change: +0 B (+0.00%)

✅ Binary size difference within threshold

Changes by Module
Module File Size Symbols
anon.44a0faa3240fa409baa379409d152aec.1.llvm.11452058974845090346 +130 B 1
anon.44a0faa3240fa409baa379409d152aec.1.llvm.18163430659783575214 -130 B 1
anon.44a0faa3240fa409baa379409d152aec.4.llvm.11452058974845090346 +114 B 1
anon.44a0faa3240fa409baa379409d152aec.4.llvm.18163430659783575214 -114 B 1
anon.44a0faa3240fa409baa379409d152aec.3.llvm.11452058974845090346 +109 B 1
anon.44a0faa3240fa409baa379409d152aec.3.llvm.18163430659783575214 -109 B 1
anon.44a0faa3240fa409baa379409d152aec.0.llvm.11452058974845090346 +97 B 1
anon.44a0faa3240fa409baa379409d152aec.0.llvm.18163430659783575214 -97 B 1
anon.44a0faa3240fa409baa379409d152aec.2.llvm.11452058974845090346 +95 B 1
anon.44a0faa3240fa409baa379409d152aec.2.llvm.18163430659783575214 -95 B 1
Detailed Symbol Changes
    FILE SIZE        VM SIZE    
 --------------  -------------- 
  [NEW]    +130  [NEW]     +40    anon.44a0faa3240fa409baa379409d152aec.1.llvm.11452058974845090346
  [NEW]    +114  [NEW]     +24    anon.44a0faa3240fa409baa379409d152aec.4.llvm.11452058974845090346
  [NEW]    +109  [NEW]     +19    anon.44a0faa3240fa409baa379409d152aec.3.llvm.11452058974845090346
  [NEW]     +97  [NEW]      +7    anon.44a0faa3240fa409baa379409d152aec.0.llvm.11452058974845090346
  [NEW]     +95  [NEW]      +5    anon.44a0faa3240fa409baa379409d152aec.2.llvm.11452058974845090346
  [DEL]     -95  [DEL]      -5    anon.44a0faa3240fa409baa379409d152aec.2.llvm.18163430659783575214
  [DEL]     -97  [DEL]      -7    anon.44a0faa3240fa409baa379409d152aec.0.llvm.18163430659783575214
  [DEL]    -109  [DEL]     -19    anon.44a0faa3240fa409baa379409d152aec.3.llvm.18163430659783575214
  [DEL]    -114  [DEL]     -24    anon.44a0faa3240fa409baa379409d152aec.4.llvm.18163430659783575214
  [DEL]    -130  [DEL]     -40    anon.44a0faa3240fa409baa379409d152aec.1.llvm.18163430659783575214
  [ = ]       0  [ = ]       0    TOTAL

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Regression Detector (Agent Data Plane)

Run ID: 2e2bf11c-b022-4359-8236-ace372e3e166
Baseline: e4cba812 · Comparison: 64fa342d · diff

Optimization Goals: ✅ No significant changes detected

Fine details of change detection per experiment (3)

Experiments configured erratic: true are tagged (ignored) and skipped when determining which experiments regressed or improved. Experiments which are detected as erratic at runtime are tagged (erratic) to flag that the run's sample dispersion was high, but their regression / improvement signal still counts.

experiment goal Δ mean % links
quality_gates_rss_idle memory ⚪ +0.32 metrics profiles logs
quality_gates_rss_dsd_low memory ⚪ +0.18 metrics profiles logs
quality_gates_rss_dsd_medium memory ⚪ +0.08 metrics profiles logs
Bounds Checks: ✅ Passed (3)
experiment check replicates observed links
quality_gates_rss_dsd_low memory_usage 10/10 ✅ 45.4 MiB ≤ 50 MiB metrics profiles logs
quality_gates_rss_dsd_medium memory_usage 10/10 ✅ 67 MiB ≤ 75 MiB metrics profiles logs
quality_gates_rss_idle memory_usage 10/10 ✅ 31.4 MiB ≤ 40 MiB metrics profiles logs
Explanation

A change is flagged as a regression when |Δ mean %| > 5.00% in the regressing direction for its optimization goal AND SMP marks the experiment as a regression (is_regression: true). Improvements use the matching criteria for the improving direction. Experiments configured erratic: true (tagged (ignored)) are skipped outright; experiments detected as erratic at runtime (tagged (erratic)) still count, since that flag describes sample dispersion rather than directional certainty. The Δ mean % cell is colored accordingly: 🟢 = improvement, 🔴 = regression, ⚪ = neutral. Reduction in CPU or memory is an improvement; reduction in ingress throughput is a regression.

This is a WIP commit
@blt
blt changed the base branch from blt/chore_antithesis_diffeq_count_total_contexts_emitted to graphite-base/2167 July 22, 2026 22:23
@blt
blt force-pushed the graphite-base/2167 branch from 54fb12c to e4cba81 Compare July 22, 2026 22:23
@blt
blt force-pushed the blt/chore_antithesis_intake_v3 branch from cf654d8 to 64fa342 Compare July 22, 2026 22:23
@blt
blt changed the base branch from graphite-base/2167 to main July 22, 2026 22:23
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