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Expose the read-only `GetStats() -> s` D-Bus method in debug and release builds. It returns a JSON object containing the current tick and tracked VMs with their thread count, vCPU bound, manual sticky state, automatic- scaling eligibility, per-thread CPU utilisation, and cumulative I/O counters. Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
This allows calculating average vs. median CPU utilisation, which helps identifying load imbalances. This new piece of information is now printed in the per-VM periodic message (when enabled). Specifically, a new field is added in the 'cpu' field containing the median, before: INFO ... cpu=average per-thread/total worker CPU percent after: INFO ... cpu=average per-thread/median/total worker CPU percent Signed-off-by: Thanos Makatos <thanos.makatos@nutanix.com>
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This allows calculating average vs. median CPU utilisation, which helps
identifying load imbalances. This new piece of information is now
printed in the per-VM periodic message (when enabled). Specifically,
a new field is added in the 'cpu' field containing the median, before:
after:
Signed-off-by: Thanos Makatos thanos.makatos@nutanix.com
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