[WIP - do not review] New socket tracer

[rafaelroquetto]

Summary

TODO

Validation

• I have read and followed the contributing guidelines
• If this enhances / fixes / changes a core feature, I have updated the features documentation and support matrix as needed.

[github-actions]

CI Supervisor: Test Docker build (attempt 1)

Job	Conclusion	Duration	Verdict
build (Dockerfile, linux/arm64, ubuntu-24.04-arm)	failure	4m	flaky
Action: Re-running failed jobs (attempt 2 of 2)

[github-actions]

CI Supervisor: Pull request checks (attempt 1)

Job	Conclusion	Duration	Verdict
Generate and checks	failure	3m	flaky
Action: Re-running failed jobs (attempt 2 of 2)

[codecov]

Codecov Report

❌ Patch coverage is 79.39394% with 136 lines in your changes missing coverage. Please review.
✅ Project coverage is 61.21%. Comparing base (f164bc4) to head (05ce376).

Files with missing lines	Patch %	Lines
pkg/internal/ebpf/socktracer/pid_backfill.go	72.76%	45 Missing and 16 partials ⚠️
pkg/ebpf/common/http2grpc_transform.go	80.10%	30 Missing and 8 partials ⚠️
pkg/internal/ebpf/socktracer/socktracer.go	83.53%	22 Missing and 5 partials ⚠️
pkg/ebpf/common/tcp_detect_transform.go	78.26%	5 Missing ⚠️
pkg/ebpf/common/kafka_detect_transform.go	66.66%	1 Missing and 2 partials ⚠️
pkg/ebpf/instrumenter.go	0.00%	2 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (f164bc4) and HEAD (05ce376). Click for more details.

HEAD has 10 uploads less than BASE

Flag	BASE (f164bc4)	HEAD (05ce376)
unittests	4	1
integration-test	10	3

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #1834       +/-   ##
===========================================
- Coverage   78.27%   61.21%   -17.06%     
===========================================
  Files         277      271        -6     
  Lines       33609    33916      +307     
===========================================
- Hits        26306    20763     -5543     
- Misses       6061    11608     +5547     
- Partials     1242     1545      +303     

Flag	Coverage Δ
integration-test	46.52% <76.81%> (-8.88%)	⬇️
integration-test-arm	29.72% <23.93%> (+0.04%)	⬆️
integration-test-vm-x86_64-5.15.152	28.14% <8.33%> (-0.69%)	⬇️
integration-test-vm-x86_64-6.10.6	28.24% <8.33%> (-0.69%)	⬇️
k8s-integration-test	41.16% <8.18%> (-0.29%)	⬇️
oats-test	36.71% <14.54%> (-0.84%)	⬇️
unittests	23.58% <ø> (-34.45%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

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[github-actions]

CI Supervisor: Pull request checks (attempt 2)

Job	Conclusion	Duration	Verdict
Generate and checks	failure	3m	flaky
Action: NOT re-running. Reason: Maximum re-run attempts reached (attempt 2 of 2)

[github-actions]

CI Supervisor: Pull request integration tests (attempt 1)

Job	Conclusion	Duration	Verdict
shard-6 (12 tests)	failure	25m	flaky
shard-1 (11 tests)	failure	29m	flaky
Action: Re-running failed jobs (attempt 2 of 2)

[github-actions]

CI Supervisor: Pull request integration tests on VM (attempt 1)

Job	Conclusion	Duration	Verdict
kernel 5.15.152 x86_64 shard-1 (1 tests)	failure	17m	flaky
Action: Re-running failed jobs (attempt 2 of 2)

[github-actions]

CI Supervisor: Pull request integration tests (attempt 2)

Job	Conclusion	Duration	Verdict
shard-6 (12 tests)	failure	23m	flaky
Action: NOT re-running. Reason: Maximum re-run attempts reached (attempt 2 of 2)

[github-actions]

CI Supervisor

Workflow	Job	Last state	Re-running?	Attempt
Pull request checks	Generate and checks	failure	No	2/2
Pull request integration tests ARM	shard-4 (3 tests)	failure	No	2/2
Pull request integration tests on VM	kernel 5.15.152 x86_64 shard-4 (3 tests)	failure	No	2/2
Pull request integration tests	shard-0 (11 tests)	failure	No	2/2
Pull request integration tests	shard-6 (12 tests)	failure	No	2/2
Pull request integration tests	shard-1 (12 tests)	failure	No	2/2
Pull request integration tests	shard-7 (12 tests)	failure	No	2/2