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> |
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> Compare realtime it to measured CPU time. If one realtime second is |
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> shorter than a |
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> CPU second then you know the host is pausing your VM. There are other ways |
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> to |
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> check, but this should always work if you can contact an asynchronous time |
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> standard. |
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> You may need to average the time over tens of seconds or a minute. |
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> |
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> This method will allow you to figure out that AWS spot instances are |
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> oversubscribed ~1.5x. |
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> |
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> |
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Nice. FWIW the guest is running NTP. |
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|
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So should I run something like: date ; time <some command that runs at |
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100%CPU for a minute> ; date ? |