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2025-11-14 - 14:55
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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 50 highest latencies:
System rack1slot3.osadl.org (updated Fri Nov 14, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
43061299130,12cyclictest0-21swapper/307:40:113
43061299130,11cyclictest0-21swapper/309:40:133
43061299130,11cyclictest0-21swapper/309:20:123
430612991211,0cyclictest0-21swapper/311:25:153
430612991211,0cyclictest0-21swapper/311:15:193
43061299120,8cyclictest0-21swapper/307:20:133
43061299120,1cyclictest0-21swapper/311:20:113
43061299120,11cyclictest69450irq/121-eno112:10:213
43061299120,11cyclictest69450irq/121-eno112:05:143
43061299120,11cyclictest0-21swapper/309:30:133
43061299120,10cyclictest69450irq/121-eno109:50:173
43061299120,10cyclictest69450irq/121-eno108:10:143
43061299118,2cyclictest0-21swapper/308:20:123
430612991111,0cyclictest69450irq/121-eno111:30:233
430612991111,0cyclictest69450irq/121-eno109:45:143
430612991110,0cyclictest0-21swapper/312:35:143
430612991110,0cyclictest0-21swapper/311:05:223
430612991110,0cyclictest0-21swapper/310:50:013
430612991110,0cyclictest0-21swapper/310:45:003
430612991110,0cyclictest0-21swapper/308:35:143
43061299110,10cyclictest69450irq/121-eno112:19:543
43061299110,10cyclictest69450irq/121-eno110:13:153
43061299110,10cyclictest69450irq/121-eno107:15:013
43061299110,0cyclictest0-21swapper/312:30:123
43061299110,0cyclictest0-21swapper/312:25:223
43061299110,0cyclictest0-21swapper/312:00:013
43061299110,0cyclictest0-21swapper/310:50:213
43061299110,0cyclictest0-21swapper/310:20:233
43061299109,0cyclictest69450irq/121-eno107:35:223
43061299109,0cyclictest0-21swapper/308:05:133
430612991010,0cyclictest69450irq/121-eno110:55:253
430612991010,0cyclictest0-21swapper/310:30:123
43061299100,9cyclictest69450irq/121-eno112:00:203
43061299100,9cyclictest69450irq/121-eno111:52:353
43061299100,9cyclictest0-21swapper/309:00:023
43061299100,9cyclictest0-21swapper/309:00:023
4306129999,0cyclictest69450irq/121-eno110:05:123
4306129999,0cyclictest69450irq/121-eno110:01:333
4306129999,0cyclictest69450irq/121-eno108:49:083
4306129999,0cyclictest69450irq/121-eno108:03:423
4306129999,0cyclictest69450irq/121-eno107:25:163
4306129999,0cyclictest0-21swapper/311:35:183
4306129999,0cyclictest0-21swapper/309:30:013
4306129999,0cyclictest0-21swapper/309:16:043
4306129998,0cyclictest69450irq/121-eno111:02:423
4306129990,8cyclictest69450irq/121-eno110:37:523
4306129990,8cyclictest69450irq/121-eno109:55:143
4306129988,0cyclictest69450irq/121-eno111:45:473
4306129988,0cyclictest69450irq/121-eno111:40:053
4306129988,0cyclictest69450irq/121-eno111:10:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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