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2026-08-17 - 05:53
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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, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rackbslot6.osadl.org (updated Mon Aug 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2633521620,4sleep03092199cyclictest22:22:100
2786821530,3sleep33094099cyclictest00:35:423
2786821530,3sleep33094099cyclictest00:35:423
1068911000,4ptp4l401ktimersoftd/321:25:113
320482740,2sleep10-21swapper/101:45:341
105382600,2sleep00-21swapper/002:28:130
193402580,1sleep30-21swapper/302:37:233
221652550,4sleep022167-21missed_timers22:12:140
3092799530,3cyclictest121rcu_preempt02:47:151
30921995325,3cyclictest9-21ksoftirqd/002:36:590
30921995225,3cyclictest9-21ksoftirqd/001:51:590
30921995224,4cyclictest9-21ksoftirqd/000:56:570
246862520,2sleep00-21swapper/002:42:300
30921995124,4cyclictest9-21ksoftirqd/021:31:540
30921995124,14cyclictest9-21ksoftirqd/001:42:200
30921995030,5cyclictest9-21ksoftirqd/021:26:520
30921995025,4cyclictest9-21ksoftirqd/002:47:150
30921995016,4cyclictest9-21ksoftirqd/000:07:130
30921994924,3cyclictest9-21ksoftirqd/002:17:160
30927994829,10cyclictest25-21ksoftirqd/101:22:251
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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