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Stressng and jitter benchmark (Depends on PR: https://github.com/avocado-framework/aautils/pull/107) - #3218

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Stressng and jitter benchmark (Depends on PR: https://github.com/avocado-framework/aautils/pull/107)#3218
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@Sumitupadhyay1 Sumitupadhyay1 commented Jul 3, 2026

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Add an Avocado test that runs stress-ng CPU workload on all CPUs and
reports how long it takes for every CPU to reach a target busy
percentage, derived from the mpstat monitor samples collected during
the run. cpu_saturation_max_seconds fails the test when saturation
takes longer than the configured limit.

Add an Avocado test that runs the Intel lkp-tests "jitter" PMA
instruction-jitter microbenchmark on the local host and asserts on the
maximum instruction jitter (in cycles).

These 2 tests depend on avocado/utils: - PR: avocado-framework/aautils#107

How to run:
avocado run cpu/jitter.py -m cpu/jitter.py.data/jitter.yaml
avocdao run cpu/lkp_stressng_cpu.py -m cpu/lkp_stressng_cpu.py.data/stressng_cpu.yaml

@narasimhan-v narasimhan-v self-assigned this Jul 6, 2026
@Sumitupadhyay1 Sumitupadhyay1 changed the title Stressng and jitter benchmark Stressng and jitter benchmark (Depends on PR: avocado-framework/avocado#6314) Jul 6, 2026
@Sumitupadhyay1
Sumitupadhyay1 force-pushed the stressng_and_jitter_benchmark branch from b36a1ab to 25172c2 Compare July 23, 2026 15:35
Add an Avocado test that runs stress-ng CPU workload on all CPUs and
reports how long it takes for every CPU to reach a target busy
percentage, derived from the mpstat monitor samples collected during
the run. cpu_saturation_max_seconds fails the test when saturation
takes longer than the configured limit.

Add an Avocado test that runs the Intel lkp-tests "jitter" PMA
instruction-jitter microbenchmark on the local host and asserts on the
maximum instruction jitter (in cycles).

Signed-off-by: Sumit Kumar <sumitkum@amd.com>
Co-authored-by: Cursor <cursoragent@cursor.com>
@Sumitupadhyay1
Sumitupadhyay1 force-pushed the stressng_and_jitter_benchmark branch from 25172c2 to 990ac2f Compare July 24, 2026 09:18
@Sumitupadhyay1 Sumitupadhyay1 changed the title Stressng and jitter benchmark (Depends on PR: avocado-framework/avocado#6314) Stressng and jitter benchmark (Depends on PR: https://github.com/avocado-framework/aautils/pull/107) Jul 30, 2026
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2 participants