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2026-03-10 - 05:37
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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 rack5slot2.osadl.org (updated Tue Mar 10, 2026 00:44:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13472202186,11sleep10-21swapper/119:07:471
12082189172,12sleep00-21swapper/019:06:020
11962180164,11sleep30-21swapper/319:05:533
11952176158,13sleep20-21swapper/219:05:522
101352490,0sleep30-21swapper/323:54:213
203352460,0sleep10-21swapper/123:10:521
153422420,0sleep10-21swapper/121:50:011
164182410,0sleep10-21swapper/120:40:181
137082410,0sleep00-21swapper/022:35:480
15672110,0sleep00-21swapper/023:34:090
22123280,0sleep20-21swapper/221:52:582
17099971,5cyclictest0-21swapper/020:00:010
17099971,3cyclictest10366-21basename22:35:000
17169960,5cyclictest0-21swapper/322:45:143
17109965,1cyclictest0-21swapper/121:19:351
30915250,0sleep10-21swapper/100:35:511
17169955,0cyclictest0-21swapper/323:36:503
17169955,0cyclictest0-21swapper/323:30:073
17169955,0cyclictest0-21swapper/321:34:443
17169955,0cyclictest0-21swapper/320:00:003
17169955,0cyclictest0-21swapper/300:29:043
17169955,0cyclictest0-21swapper/300:01:243
17169954,1cyclictest17964-21df_inode19:40:133
17169953,1cyclictest25493-21perf21:55:023
17169952,3cyclictest25173-21dump-pmu-power23:30:003
17169950,5cyclictest0-21swapper/323:55:263
17169950,4cyclictest8227-21ssh21:15:133
17169950,4cyclictest29214-21ssh21:25:133
17169950,4cyclictest0-21swapper/320:40:113
17129955,0cyclictest31-21ksoftirqd/223:45:122
17129953,2cyclictest31-21ksoftirqd/219:10:122
17129950,5cyclictest0-21swapper/222:25:032
17129950,5cyclictest0-21swapper/221:43:292
17129950,5cyclictest0-21swapper/200:16:332
17129950,4cyclictest20382-21df20:50:132
17129950,4cyclictest0-21swapper/200:25:102
17129950,0cyclictest0-21swapper/223:00:182
17129950,0cyclictest0-21swapper/222:49:062
17109950,5cyclictest0-21swapper/122:21:331
17099952,3cyclictest21803-21ssh22:55:370
17099952,2cyclictest0-21swapper/021:00:090
17099951,4cyclictest22156-21munin-run22:25:010
17099951,3cyclictest0-21swapper/021:35:120
17099950,5cyclictest0-21swapper/023:45:110
17099950,5cyclictest0-21swapper/022:46:070
17099950,5cyclictest0-21swapper/022:05:480
17099950,1cyclictest11927-21basename22:20:020
16352250,0sleep329534-21diskmemload00:13:123
5408240,0sleep10-21swapper/123:35:181
26217240,0sleep10-21swapper/122:42:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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