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2025-11-24 - 16:01
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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 Mon Nov 24, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
22262299130,12cyclictest0-21swapper/311:50:123
222622991211,0cyclictest0-21swapper/309:55:003
222622991211,0cyclictest0-21swapper/309:05:143
22262299120,11cyclictest69450irq/121-eno112:14:113
22262299120,11cyclictest69450irq/121-eno108:54:213
22262299120,11cyclictest0-21swapper/312:20:133
22262299118,2cyclictest69450irq/121-eno108:45:143
222622991110,0cyclictest0-21swapper/308:55:113
22262299110,11cyclictest0-21swapper/309:20:193
22262299110,10cyclictest69450irq/121-eno110:14:263
22262299110,10cyclictest69450irq/121-eno107:44:353
22262299110,10cyclictest0-21swapper/310:55:183
22262299110,10cyclictest0-21swapper/308:00:183
22262299110,10cyclictest0-21swapper/307:55:013
22262299110,0cyclictest0-21swapper/311:20:203
22262299110,0cyclictest0-21swapper/309:00:313
22262299109,1cyclictest69450irq/121-eno112:26:203
22262299109,1cyclictest69450irq/121-eno107:35:123
22262299109,0cyclictest0-21swapper/308:35:133
222622991010,0cyclictest69450irq/121-eno112:08:453
222622991010,0cyclictest69450irq/121-eno110:02:143
222622991010,0cyclictest69450irq/121-eno107:45:173
222622991010,0cyclictest0-21swapper/312:35:143
222622991010,0cyclictest0-21swapper/310:45:013
22262299100,9cyclictest69450irq/121-eno111:59:593
22262299100,9cyclictest69450irq/121-eno111:45:153
22262299100,9cyclictest69450irq/121-eno108:31:203
22262299100,0cyclictest0-21swapper/311:25:003
22262299100,0cyclictest0-21swapper/310:50:123
22262299100,0cyclictest0-21swapper/310:30:013
2224712101,4sleep30-21swapper/307:09:563
2226229999,0cyclictest69450irq/121-eno111:15:173
2226229999,0cyclictest69450irq/121-eno111:14:053
2226229999,0cyclictest69450irq/121-eno109:55:133
2226229999,0cyclictest69450irq/121-eno109:30:133
2226229999,0cyclictest69450irq/121-eno108:15:163
2226229999,0cyclictest0-21swapper/310:35:133
2226229999,0cyclictest0-21swapper/308:40:143
2226229999,0cyclictest0-21swapper/308:10:183
2226229998,0cyclictest69450irq/121-eno110:46:573
2226229998,0cyclictest0-21swapper/309:10:123
2226229990,9cyclictest0-21swapper/309:45:163
2226229990,8cyclictest69450irq/121-eno112:01:533
2226229990,8cyclictest69450irq/121-eno112:01:523
2226229990,8cyclictest69450irq/121-eno108:29:583
2226229990,0cyclictest0-21swapper/311:30:173
2226229990,0cyclictest0-21swapper/309:40:193
2226229988,0cyclictest69450irq/121-eno112:15:203
2226229988,0cyclictest69450irq/121-eno110:05:203
2226229988,0cyclictest69450irq/121-eno107:27:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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