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2026-06-26 - 19:59
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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
Characteristics of the 100 highest latencies:
System rackdslot4.osadl.org (updated Fri Jun 26, 2026 12:45:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591234167,22phc2sys0-21swapper/307:05:093
155622228162,23sleep10-21swapper/107:07:421
156242205172,22sleep00-21swapper/007:08:280
157912202169,22sleep20-21swapper/207:09:512
138491960,1ptp4l7545-21ptp4l11:10:233
280222600,2sleep00-21swapper/010:45:270
1609499555,18cyclictest8050-21seq11:11:040
238432540,1sleep20-21swapper/210:40:122
149992520,2sleep10-21swapper/108:10:241
142512520,1sleep30-21swapper/308:10:183
311492500,2sleep10-21swapper/108:45:131
166232460,1sleep316625-21cut08:15:153
16096994336,3cyclictest3585-21cron12:09:592
16095994315,26cyclictest0-21swapper/109:40:531
1609499438,21cyclictest15470-21seq11:26:240
138491430,0ptp4l401ktimersoftd/310:24:453
16096994237,3cyclictest33-21ksoftirqd/208:00:012
16096994236,3cyclictest33-21ksoftirqd/211:00:012
16096994231,9cyclictest33-21ksoftirqd/208:25:282
1609699421,38cyclictest3434-21cron07:50:002
16095994213,27cyclictest0-21swapper/110:40:341
138491420,0ptp4l401ktimersoftd/309:09:193
16097994136,3cyclictest21040-21sh10:35:013
16096994136,3cyclictest33-21ksoftirqd/212:35:002
16096994136,3cyclictest33-21ksoftirqd/211:35:012
16096994129,9cyclictest33-21ksoftirqd/208:00:272
1609699410,3cyclictest121rcu_preempt09:30:232
1609699405,4cyclictest33-21ksoftirqd/211:50:002
16096993935,2cyclictest33-21ksoftirqd/207:30:002
16096993928,9cyclictest33-21ksoftirqd/207:50:172
16095993926,11cyclictest25-21ksoftirqd/111:17:521
16095993911,27cyclictest0-21swapper/110:30:231
1609499398,18cyclictest1303-21runrttasks07:57:380
1609499396,19cyclictest18308-21seq07:14:460
16094993923,7cyclictest9-21ksoftirqd/010:03:480
1609499390,3cyclictest28255-21seq07:33:230
16097993833,3cyclictest41-21ksoftirqd/311:24:193
1609699386,5cyclictest33-21ksoftirqd/208:40:172
16096993834,3cyclictest33-21ksoftirqd/208:39:592
16096993833,3cyclictest33-21ksoftirqd/210:45:112
16096993832,3cyclictest33-21ksoftirqd/210:10:252
16096993810,4cyclictest33-21ksoftirqd/211:05:222
1609499380,3cyclictest18251-21seq12:38:080
1609499380,3cyclictest15079-21switchtime08:10:250
1385913830,4phc2sys0-21swapper/307:10:003
50798370,3rtkit-daemon16486-21df07:10:131
16097993732,3cyclictest41-21ksoftirqd/311:07:493
16097993730,4cyclictest41-21ksoftirqd/309:00:593
1609699377,6cyclictest33-21ksoftirqd/208:30:222
16096993732,3cyclictest33-21ksoftirqd/212:00:262
16096993732,3cyclictest33-21ksoftirqd/211:30:012
16096993732,3cyclictest33-21ksoftirqd/211:10:262
16096993732,3cyclictest33-21ksoftirqd/210:39:592
16096993731,4cyclictest33-21ksoftirqd/212:10:202
16096993731,4cyclictest33-21ksoftirqd/211:44:432
16096993731,4cyclictest33-21ksoftirqd/207:40:012
16096993731,3cyclictest33-21ksoftirqd/211:00:132
16096993727,8cyclictest33-21ksoftirqd/209:55:162
16095993731,4cyclictest25-21ksoftirqd/109:28:551
16094993729,5cyclictest9-21ksoftirqd/009:40:570
1609499370,3cyclictest933-21runrttasks09:54:200
1609499370,3cyclictest933-21runrttasks09:54:200
1609499370,3cyclictest17925-21seq08:15:510
16097993630,4cyclictest41-21ksoftirqd/310:26:413
16097993630,4cyclictest41-21ksoftirqd/307:19:343
16097993629,4cyclictest41-21ksoftirqd/310:10:373
16096993632,2cyclictest33-21ksoftirqd/212:20:252
16096993632,2cyclictest33-21ksoftirqd/209:35:222
16096993632,2cyclictest33-21ksoftirqd/208:20:262
16096993632,2cyclictest33-21ksoftirqd/208:20:262
16096993631,3cyclictest33-21ksoftirqd/210:20:002
16096993631,3cyclictest33-21ksoftirqd/208:10:122
16096993631,2cyclictest33-21ksoftirqd/209:05:152
16096993630,4cyclictest33-21ksoftirqd/212:38:342
16096993630,4cyclictest33-21ksoftirqd/212:15:082
16096993630,4cyclictest33-21ksoftirqd/211:24:182
16096993630,4cyclictest33-21ksoftirqd/207:22:152
16096993630,3cyclictest33-21ksoftirqd/211:55:022
16096993630,3cyclictest33-21ksoftirqd/207:15:002
16096993629,5cyclictest33-21ksoftirqd/210:09:072
16096993629,5cyclictest33-21ksoftirqd/210:05:012
16096993628,6cyclictest33-21ksoftirqd/209:00:252
16095993631,3cyclictest25-21ksoftirqd/112:30:001
16095993631,3cyclictest25-21ksoftirqd/111:04:181
16095993631,3cyclictest25-21ksoftirqd/108:40:111
16095993630,4cyclictest25-21ksoftirqd/108:01:201
16095993628,6cyclictest25-21ksoftirqd/111:00:001
1609599360,2cyclictest121rcu_preempt10:03:471
16094993630,4cyclictest9-21ksoftirqd/012:18:390
16094993630,4cyclictest9-21ksoftirqd/009:34:420
1609499360,3cyclictest5574-21seq11:05:460
16097993530,3cyclictest41-21ksoftirqd/307:43:573
16097993530,3cyclictest41-21ksoftirqd/307:27:173
16097993529,4cyclictest41-21ksoftirqd/311:52:023
16097993529,4cyclictest41-21ksoftirqd/311:46:333
16097993529,4cyclictest41-21ksoftirqd/308:07:253
16097993528,4cyclictest41-21ksoftirqd/307:21:153
16096993531,2cyclictest33-21ksoftirqd/209:47:212
16096993530,3cyclictest33-21ksoftirqd/212:30:002
16096993530,3cyclictest33-21ksoftirqd/211:35:282
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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