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2026-07-06 - 15:23
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot6.osadl.org (updated Mon Jul 06, 2026 12:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2454021320,6sleep024543-21unixbench_singl11:05:360
2454021320,6sleep024543-21unixbench_singl11:05:360
30759911078,20cyclictest26-21ksoftirqd/107:15:141
30759910978,18cyclictest26-21ksoftirqd/112:20:121
30759910977,20cyclictest26-21ksoftirqd/112:10:131
30759910977,20cyclictest26-21ksoftirqd/109:35:141
30759910678,19cyclictest26-21ksoftirqd/110:20:231
30759910475,18cyclictest26-21ksoftirqd/111:45:121
30759910373,20cyclictest26-21ksoftirqd/109:55:141
2646210318,39sleep00-21swapper/007:07:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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