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2026-05-05 - 20:11
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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 rackdslot3.osadl.org (updated Tue May 05, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310992204171,22sleep20-21swapper/207:08:462
139491204171,22phc2sys0-21swapper/307:06:243
309422203169,22sleep10-21swapper/107:06:431
310332201168,22sleep00-21swapper/007:07:560
1435421700,6sleep33149699cyclictest08:45:263
31496996429,7cyclictest41-21ksoftirqd/308:00:263
31496996424,8cyclictest41-21ksoftirqd/311:20:013
31496996228,5cyclictest41-21ksoftirqd/310:25:253
31496996129,4cyclictest41-21ksoftirqd/312:20:193
31496996128,7cyclictest41-21ksoftirqd/311:40:013
158322610,4sleep315836-21idleruntime-cro07:45:013
31496996026,3cyclictest41-21ksoftirqd/310:35:233
31496995929,6cyclictest41-21ksoftirqd/309:45:003
31496995732,7cyclictest41-21ksoftirqd/308:55:013
31496995723,8cyclictest41-21ksoftirqd/307:20:003
31496995629,8cyclictest41-21ksoftirqd/311:45:183
31496995629,6cyclictest41-21ksoftirqd/311:55:003
31496995627,4cyclictest41-21ksoftirqd/311:40:263
31496995626,4cyclictest41-21ksoftirqd/309:55:193
79852550,4sleep37990-21cpuspeed08:35:123
79852550,4sleep37990-21cpuspeed08:35:123
31496995427,6cyclictest41-21ksoftirqd/308:10:003
31496995427,6cyclictest41-21ksoftirqd/308:10:003
31496995427,4cyclictest41-21ksoftirqd/311:01:063
31496995422,4cyclictest41-21ksoftirqd/309:15:243
31496995422,4cyclictest41-21ksoftirqd/307:35:183
31496995422,4cyclictest41-21ksoftirqd/307:35:183
139391540,1ptp4l401ktimersoftd/308:30:193
31496995330,3cyclictest41-21ksoftirqd/307:55:173
31496995326,3cyclictest41-21ksoftirqd/311:05:153
31496995325,4cyclictest41-21ksoftirqd/312:19:363
31496995322,3cyclictest41-21ksoftirqd/311:35:003
31496995319,8cyclictest41-21ksoftirqd/310:20:223
31496995319,8cyclictest41-21ksoftirqd/309:55:003
31496995317,8cyclictest41-21ksoftirqd/312:35:233
139391530,1ptp4l401ktimersoftd/312:00:203
3149699525,8cyclictest41-21ksoftirqd/310:55:083
31496995225,7cyclictest41-21ksoftirqd/310:50:203
31496995225,6cyclictest41-21ksoftirqd/307:10:163
31496995222,4cyclictest41-21ksoftirqd/311:57:083
31496995217,9cyclictest41-21ksoftirqd/307:30:003
31496995217,3cyclictest41-21ksoftirqd/312:25:223
31496995124,7cyclictest41-21ksoftirqd/308:55:143
31496995124,6cyclictest41-21ksoftirqd/310:05:193
31496995123,6cyclictest41-21ksoftirqd/312:10:173
31496995123,4cyclictest41-21ksoftirqd/309:35:203
31496995117,4cyclictest41-21ksoftirqd/307:45:183
31496995026,4cyclictest41-21ksoftirqd/309:33:153
31496995022,7cyclictest41-21ksoftirqd/309:15:003
31496995021,4cyclictest41-21ksoftirqd/312:30:273
31496995021,4cyclictest41-21ksoftirqd/309:05:493
31496995017,8cyclictest41-21ksoftirqd/310:45:253
31496994921,4cyclictest41-21ksoftirqd/311:30:003
31496994916,4cyclictest41-21ksoftirqd/310:30:183
31496994911,10cyclictest41-21ksoftirqd/308:40:233
3149699484,3cyclictest41-21ksoftirqd/311:10:143
31496994819,4cyclictest41-21ksoftirqd/310:15:143
31496994810,4cyclictest41-21ksoftirqd/311:20:233
3149699474,3cyclictest41-21ksoftirqd/308:10:183
31496994721,3cyclictest41-21ksoftirqd/310:40:283
31496994720,7cyclictest41-21ksoftirqd/309:25:143
31496994717,9cyclictest41-21ksoftirqd/312:05:133
31496994716,3cyclictest41-21ksoftirqd/308:15:163
31496994713,4cyclictest41-21ksoftirqd/309:45:133
3149699462,3cyclictest41-21ksoftirqd/309:00:173
31496994617,9cyclictest41-21ksoftirqd/308:20:183
31496994612,8cyclictest41-21ksoftirqd/307:50:243
31496994612,7cyclictest41-21ksoftirqd/308:25:163
3149699459,4cyclictest41-21ksoftirqd/307:24:053
3149699454,3cyclictest41-21ksoftirqd/309:20:193
31496994511,7cyclictest41-21ksoftirqd/307:30:003
3149399451,41cyclictest1874-21cron12:00:000
31496994234,2cyclictest41-21ksoftirqd/310:02:353
31496994034,3cyclictest41-21ksoftirqd/310:15:013
31494993935,2cyclictest25-21ksoftirqd/110:00:001
3149599388,28cyclictest16599-21kworker/2:110:20:232
31495993731,4cyclictest33-21ksoftirqd/211:07:582
31494993732,3cyclictest25-21ksoftirqd/108:30:001
31494993731,4cyclictest25-21ksoftirqd/111:36:331
31494993731,4cyclictest25-21ksoftirqd/110:55:111
31495993631,3cyclictest33-21ksoftirqd/211:53:332
31495993630,4cyclictest33-21ksoftirqd/207:26:272
31494993630,4cyclictest25-21ksoftirqd/111:22:331
31494993630,4cyclictest25-21ksoftirqd/110:53:371
31494993630,4cyclictest25-21ksoftirqd/107:47:521
31494993630,4cyclictest25-21ksoftirqd/107:17:141
31495993531,3cyclictest33-21ksoftirqd/211:04:252
31495993529,4cyclictest33-21ksoftirqd/209:13:052
31495993511,3cyclictest19694-21date09:00:012
31494993529,4cyclictest25-21ksoftirqd/111:43:141
31494993529,4cyclictest25-21ksoftirqd/110:20:311
31494993529,4cyclictest25-21ksoftirqd/108:04:371
31494993529,4cyclictest25-21ksoftirqd/107:13:331
31493993530,3cyclictest9-21ksoftirqd/008:05:190
31493993530,3cyclictest9-21ksoftirqd/008:05:190
31493993529,4cyclictest9-21ksoftirqd/008:04:310
31493993527,6cyclictest9-21ksoftirqd/007:45:000
31495993429,3cyclictest33-21ksoftirqd/211:47:372
31495993429,3cyclictest33-21ksoftirqd/210:47:192
31495993428,4cyclictest33-21ksoftirqd/212:38:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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