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2026-08-17 - 19:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rackbslot4.osadl.org (updated Mon Aug 17, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301799753,65cyclictest26058-21/usr/sbin/munin07:21:583
301799752,67cyclictest6895-21memory08:52:073
301799733,25cyclictest11604-21ssh11:07:423
301799732,66cyclictest15916-21diskmemload10:46:403
301799723,35cyclictest2717-21taskset07:45:473
301799713,61cyclictest20416-21perl08:26:583
301799704,60cyclictest0-21swapper/311:13:223
301799703,62cyclictest0-21swapper/309:11:553
301799703,61cyclictest11093-21/usr/sbin/munin06:42:143
301799702,62cyclictest9223-21/usr/sbin/munin06:37:123
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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