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fix(test): avoid parsing broken metrics lines #4613

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pb8o
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@pb8o pb8o commented May 13, 2024

Changes

Ignore metric lines that cannot be parsed.

Reason

Improve the stability of tests.

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PR Checklist

  • If a specific issue led to this PR, this PR closes the issue.
  • The description of changes is clear and encompassing.
  • Any required documentation changes (code and docs) are included in this
    PR.
  • API changes follow the Runbook for Firecracker API changes.
  • User-facing changes are mentioned in CHANGELOG.md.
  • All added/changed functionality is tested.
  • New TODOs link to an issue.
  • Commits meet
    contribution quality standards.

  • This functionality cannot be added in rust-vmm.

@pb8o pb8o added Priority: Low Indicates that an issue or pull request should be resolved behind issues or pull requests labelled ` Status: Awaiting author Indicates that an issue or pull request requires author action labels May 13, 2024
@pb8o pb8o self-assigned this May 13, 2024
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codecov bot commented May 13, 2024

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 82.13%. Comparing base (c98ecc8) to head (af79a89).

Additional details and impacted files
@@           Coverage Diff           @@
##             main    #4613   +/-   ##
=======================================
  Coverage   82.13%   82.13%           
=======================================
  Files         255      255           
  Lines       31267    31267           
=======================================
  Hits        25682    25682           
  Misses       5585     5585           
Flag Coverage Δ
4.14-c5n.metal 79.63% <ø> (ø)
4.14-c7g.metal ?
4.14-m5n.metal 79.61% <ø> (-0.01%) ⬇️
4.14-m6a.metal 78.84% <ø> (-0.01%) ⬇️
4.14-m6g.metal 76.68% <ø> (ø)
4.14-m6i.metal 79.61% <ø> (ø)
4.14-m7g.metal 76.68% <ø> (?)
5.10-c5n.metal 82.15% <ø> (ø)
5.10-c7g.metal ?
5.10-m5n.metal 82.14% <ø> (+<0.01%) ⬆️
5.10-m6a.metal 81.44% <ø> (ø)
5.10-m6g.metal 79.46% <ø> (ø)
5.10-m6i.metal 82.13% <ø> (+<0.01%) ⬆️
5.10-m7g.metal 79.46% <ø> (?)
6.1-c5n.metal 82.15% <ø> (+<0.01%) ⬆️
6.1-m5n.metal 82.13% <ø> (-0.01%) ⬇️
6.1-m6a.metal 81.45% <ø> (ø)
6.1-m6g.metal 79.45% <ø> (ø)
6.1-m6i.metal 82.13% <ø> (ø)
6.1-m7g.metal 79.45% <ø> (?)

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@pb8o pb8o force-pushed the test-fix-broken-metrics-lines branch 2 times, most recently from 397ebd4 to 22efacf Compare May 13, 2024 09:07
Since we expect the process to get killed by seccomp, it can happen that
we get a partially written line that we cannot parse as
JSON ([example][1]).

[1]: https://buildkite.com/firecracker/pablob-perf-tests/builds/2362#018f6e9c-107a-4bab-9896-c6b761209e06/49-1183

Signed-off-by: Pablo Barbáchano <pablob@amazon.com>
@pb8o pb8o force-pushed the test-fix-broken-metrics-lines branch from 22efacf to af79a89 Compare May 13, 2024 09:25
@pb8o pb8o added Status: Awaiting review Indicates that a pull request is ready to be reviewed and removed Status: Awaiting author Indicates that an issue or pull request requires author action labels May 13, 2024
@pb8o pb8o changed the title Fix broken metrics lines fix(test): avoid parsing broken metrics lines May 13, 2024
@bchalios bchalios merged commit 9adc059 into firecracker-microvm:main May 13, 2024
8 checks passed
@pb8o pb8o deleted the test-fix-broken-metrics-lines branch May 13, 2024 11:37
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3 participants