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2026-06-16 - 21:23
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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 Tue Jun 16, 2026 12:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
138591206175,21phc2sys0-21swapper/307:06:583
173422202172,20sleep20-21swapper/207:07:592
173362202168,23sleep10-21swapper/107:07:531
174252200168,21sleep00-21swapper/007:08:580
185632590,2sleep10-21swapper/112:35:161
138491590,1ptp4l401ktimersoftd/308:10:433
138491580,1ptp4l401ktimersoftd/309:49:433
138491570,1ptp4l401ktimersoftd/308:01:393
138491560,1ptp4l401ktimersoftd/307:18:113
301232530,2sleep00-21swapper/008:40:110
103352500,4sleep21780199cyclictest12:20:012
17801994917,6cyclictest33-21ksoftirqd/211:55:152
303232480,27sleep125-21ksoftirqd/107:35:011
17801994815,8cyclictest33-21ksoftirqd/209:45:172
17801994720,6cyclictest33-21ksoftirqd/211:20:212
17801994717,6cyclictest33-21ksoftirqd/212:30:162
17801994717,6cyclictest33-21ksoftirqd/212:30:162
17801994716,6cyclictest33-21ksoftirqd/208:30:142
17801994715,7cyclictest33-21ksoftirqd/209:30:012
17801994712,6cyclictest33-21ksoftirqd/207:35:202
17800994711,23cyclictest32004-21sed09:45:241
17801994616,7cyclictest33-21ksoftirqd/211:40:282
70742450,2sleep20-21swapper/207:50:262
17801994518,7cyclictest33-21ksoftirqd/209:20:162
17801994516,3cyclictest33-21ksoftirqd/210:35:132
17801994515,4cyclictest33-21ksoftirqd/210:00:152
17801994514,6cyclictest33-21ksoftirqd/212:20:142
17801994513,5cyclictest33-21ksoftirqd/209:30:192
17801994513,4cyclictest33-21ksoftirqd/210:55:232
17801994510,6cyclictest33-21ksoftirqd/212:05:142
17801994415,4cyclictest33-21ksoftirqd/210:45:132
17801994412,5cyclictest33-21ksoftirqd/207:55:252
17801994411,6cyclictest33-21ksoftirqd/210:50:222
17801994315,3cyclictest33-21ksoftirqd/209:05:102
17801994312,6cyclictest33-21ksoftirqd/211:30:122
17801994312,4cyclictest33-21ksoftirqd/207:30:192
17801994312,4cyclictest33-21ksoftirqd/207:30:182
17801994310,6cyclictest33-21ksoftirqd/209:10:142
17799994337,4cyclictest2793-21idleruntime-cro09:54:590
138491430,1ptp4l401ktimersoftd/310:52:483
17801994237,3cyclictest33-21ksoftirqd/208:15:012
17801994228,11cyclictest33-21ksoftirqd/212:00:222
17801994217,6cyclictest33-21ksoftirqd/211:35:272
17801994214,6cyclictest33-21ksoftirqd/208:55:012
17801994213,3cyclictest33-21ksoftirqd/208:20:052
17801994212,4cyclictest33-21ksoftirqd/209:15:202
17801994211,4cyclictest33-21ksoftirqd/207:15:002
17800994212,18cyclictest1303-21runrttasks11:02:051
138491420,0ptp4l401ktimersoftd/307:25:173
1780199419,4cyclictest33-21ksoftirqd/212:30:002
1780199419,3cyclictest33-21ksoftirqd/211:15:132
1780199418,5cyclictest33-21ksoftirqd/210:05:192
1780199416,5cyclictest33-21ksoftirqd/208:00:262
17801994112,4cyclictest33-21ksoftirqd/210:10:162
17801994110,5cyclictest33-21ksoftirqd/207:15:112
17801994110,3cyclictest33-21ksoftirqd/212:35:272
17801994110,3cyclictest33-21ksoftirqd/208:45:142
138491410,1ptp4l401ktimersoftd/312:04:393
138491410,0ptp4l401ktimersoftd/310:49:123
138491410,0ptp4l401ktimersoftd/310:00:153
1780199408,3cyclictest33-21ksoftirqd/212:10:102
17801994035,3cyclictest33-21ksoftirqd/209:00:002
17801994034,3cyclictest33-21ksoftirqd/211:45:192
17801994015,7cyclictest33-21ksoftirqd/207:50:012
17801994012,4cyclictest33-21ksoftirqd/209:35:142
17801994010,4cyclictest33-21ksoftirqd/209:55:002
138491400,0ptp4l401ktimersoftd/312:30:133
138491400,0ptp4l401ktimersoftd/312:30:133
1780199397,6cyclictest33-21ksoftirqd/211:10:172
17801993911,3cyclictest33-21ksoftirqd/208:05:192
17801993910,3cyclictest33-21ksoftirqd/208:40:262
17800993912,26cyclictest0-21swapper/111:45:231
138491390,1ptp4l401ktimersoftd/308:05:143
17802993833,3cyclictest41-21ksoftirqd/310:15:013
17802993832,3cyclictest41-21ksoftirqd/308:00:013
1780199388,4cyclictest33-21ksoftirqd/211:10:002
1780199386,4cyclictest33-21ksoftirqd/208:35:132
1780199382,8cyclictest33-21ksoftirqd/208:29:162
17801993828,8cyclictest33-21ksoftirqd/209:59:162
17801993812,7cyclictest33-21ksoftirqd/208:15:162
138491380,0ptp4l401ktimersoftd/312:25:193
17802993732,3cyclictest41-21ksoftirqd/312:35:213
17802993731,4cyclictest41-21ksoftirqd/309:52:153
17802993731,3cyclictest41-21ksoftirqd/311:00:183
1780199377,2cyclictest33-21ksoftirqd/211:25:482
1780199375,2cyclictest33-21ksoftirqd/211:03:022
17801993734,2cyclictest33-21ksoftirqd/207:25:252
17801993724,4cyclictest33-21ksoftirqd/207:20:162
138491370,0ptp4l401ktimersoftd/308:50:263
50798360,2rtkit-daemon0-21swapper/307:41:373
17802993632,2cyclictest41-21ksoftirqd/309:20:153
17802993631,3cyclictest41-21ksoftirqd/308:20:003
17802993630,4cyclictest41-21ksoftirqd/311:59:203
17802993630,4cyclictest41-21ksoftirqd/307:13:573
17802993620,13cyclictest41-21ksoftirqd/311:50:003
1780199365,5cyclictest33-21ksoftirqd/211:50:202
1780199365,5cyclictest33-21ksoftirqd/210:40:142
1780199364,3cyclictest121rcu_preempt10:15:172
1780199362,4cyclictest33-21ksoftirqd/210:30:132
1780199361,4cyclictest33-21ksoftirqd/207:40:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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