support cgroups v2 in process stats

[qrort]

Changelog entry

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Changelog category

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Description for reviewers

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[github-actions]

⚪ 2025-08-25 20:21:53 UTC Pre-commit check linux-x86_64-relwithdebinfo for 3e97312 has started.
⚪ 2025-08-25 20:22:09 UTC Artifacts will be uploaded here
⚪ 2025-08-25 20:25:10 UTC ya make is running...
🟡 2025-08-25 21:35:08 UTC Some tests failed, follow the links below. Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
28523	25997	0	3	2457	66

⚪ 2025-08-25 21:37:45 UTC ya make is running... (failed tests rerun, try 2)
🟢 2025-08-25 21:57:57 UTC Tests successful.

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
132 (only retried tests)	72	0	0	1	59

🟢 2025-08-25 21:58:04 UTC Build successful.
🟢 2025-08-25 21:58:25 UTC ydbd size 2.1 GiB changed* by +5.4 KiB, which is < 100.0 KiB vs stream-nb-25-1: OK

ydbd size dash	stream-nb-25-1: 7d26888	merge: 3e97312	diff	diff %
ydbd size	2 270 609 840 Bytes	2 270 615 360 Bytes	+5.4 KiB	+0.000%
ydbd stripped size	480 025 624 Bytes	480 026 072 Bytes	+448 Bytes	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}

[github-actions]

⚪ 2025-08-25 20:22:19 UTC Pre-commit check linux-x86_64-release-asan for 3e97312 has started.
⚪ 2025-08-25 20:22:32 UTC Artifacts will be uploaded here
⚪ 2025-08-25 20:25:23 UTC ya make is running...
🟡 2025-08-25 21:45:54 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

Test history | Ya make output | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
14476	14354	0	25	62	35

⚪ 2025-08-25 21:47:05 UTC ya make is running... (failed tests rerun, try 2)
🟡 2025-08-25 22:10:09 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet Going to retry failed tests...

Details

Test history | Ya make output | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
162 (only retried tests)	62	0	7	59	34

⚪ 2025-08-25 22:10:17 UTC ya make is running... (failed tests rerun, try 3)
🟡 2025-08-25 22:30:06 UTC Some tests failed, follow the links below. This fail is not in blocking policy yet

Test history | Ya make output | Test bloat | Test bloat | Test bloat

TESTS	PASSED	ERRORS	FAILED	SKIPPED	MUTED?
129 (only retried tests)	42	0	7	46	34

🟢 2025-08-25 22:30:13 UTC Build successful.
🟢 2025-08-25 22:30:43 UTC ydbd size 3.7 GiB changed* by +15.7 KiB, which is < 100.0 KiB vs stream-nb-25-1: OK

ydbd size dash	stream-nb-25-1: 7d26888	merge: 3e97312	diff	diff %
ydbd size	3 951 584 504 Bytes	3 951 600 568 Bytes	+15.7 KiB	+0.000%
ydbd stripped size	1 383 275 280 Bytes	1 383 279 440 Bytes	+4.1 KiB	+0.000%

^{*please be aware that the difference is based on comparing your commit and the last completed build from the post-commit, check comparation}