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2026-06-08 - 23:25
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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 Mon Jun 08, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
44982228161,22sleep00-21swapper/007:09:150
43602204170,22sleep20-21swapper/207:07:282
138591204171,22phc2sys0-21swapper/307:06:583
42192202170,22sleep10-21swapper/107:05:381
1385918662,16phc2sys0-21swapper/307:10:013
484899720,30cyclictest23556-21cut12:05:242
484899626,19cyclictest319782sleep208:02:272
484899621,24cyclictest19184-21chrt07:37:282
164762620,1sleep10-21swapper/111:50:251
484899610,28cyclictest24324-21chrt08:50:502
484899570,23cyclictest16588-21chrt07:30:382
484899541,22cyclictest19436-21chrt11:58:572
484899540,24cyclictest21888-21taskset08:46:042
484899530,28cyclictest31539-21awk11:15:262
484899530,22cyclictest7021-21chrt07:14:132
4849995221,3cyclictest41-21ksoftirqd/307:45:053
484899520,22cyclictest27128-21chrt10:02:432
484999519,5cyclictest41-21ksoftirqd/309:24:033
4849995117,3cyclictest41-21ksoftirqd/310:51:523
4849995115,4cyclictest41-21ksoftirqd/310:49:313
484899510,21cyclictest29408-21chrt07:59:022
294942510,3sleep00-21swapper/012:20:000
484999509,6cyclictest41-21ksoftirqd/307:15:503
484999508,5cyclictest41-21ksoftirqd/309:41:033
4849995010,5cyclictest41-21ksoftirqd/310:40:203
484899500,22cyclictest9489-21seq11:38:082
484899500,22cyclictest9489-21seq11:38:082
484999499,5cyclictest41-21ksoftirqd/307:44:223
484999498,6cyclictest41-21ksoftirqd/309:01:493
484999498,5cyclictest41-21ksoftirqd/309:11:083
4849994910,5cyclictest41-21ksoftirqd/311:29:513
484999489,6cyclictest41-21ksoftirqd/311:48:303
484999489,5cyclictest41-21ksoftirqd/310:20:403
484999489,4cyclictest41-21ksoftirqd/312:15:003
484999489,4cyclictest41-21ksoftirqd/308:24:103
484999489,4cyclictest41-21ksoftirqd/307:20:313
484999488,6cyclictest41-21ksoftirqd/308:34:053
484999488,5cyclictest41-21ksoftirqd/308:36:423
484999487,5cyclictest41-21ksoftirqd/307:29:063
4849994819,9cyclictest41-21ksoftirqd/310:13:333
484799480,46cyclictest0-21swapper/109:17:531
484999479,5cyclictest41-21ksoftirqd/310:25:373
484999479,4cyclictest41-21ksoftirqd/310:07:483
484999479,4cyclictest41-21ksoftirqd/309:38:073
484999478,5cyclictest41-21ksoftirqd/311:38:033
484999478,5cyclictest41-21ksoftirqd/311:38:033
484999478,5cyclictest41-21ksoftirqd/311:14:163
484999477,5cyclictest41-21ksoftirqd/311:20:043
4849994710,4cyclictest41-21ksoftirqd/309:50:273
484899471,44cyclictest0-21swapper/209:50:232
484899470,20cyclictest8193-21smartctl09:25:152
484799470,46cyclictest0-21swapper/108:00:331
484999469,5cyclictest41-21ksoftirqd/310:02:393
484999468,5cyclictest41-21ksoftirqd/308:11:343
484999468,5cyclictest41-21ksoftirqd/307:54:293
4849994617,3cyclictest41-21ksoftirqd/309:16:413
4849994616,4cyclictest41-21ksoftirqd/308:53:253
4849994610,4cyclictest41-21ksoftirqd/308:15:243
484899461,20cyclictest4663-21seq11:29:142
4849994519,3cyclictest41-21ksoftirqd/312:35:283
4849994519,3cyclictest41-21ksoftirqd/312:35:283
484799451,2cyclictest0-21swapper/109:05:431
4849994310,4cyclictest41-21ksoftirqd/309:05:193
484899430,21cyclictest26740-21runrttasks07:51:142
138491430,0ptp4l401ktimersoftd/312:20:493
50798420,8rtkit-daemon0-21swapper/112:29:041
484899421,24cyclictest1319-21snmpd11:13:192
484899420,22cyclictest0-21swapper/209:24:192
138491420,1ptp4l401ktimersoftd/310:35:543
138491420,0ptp4l401ktimersoftd/312:18:253
484899410,19cyclictest0-21swapper/211:50:332
138491410,0ptp4l401ktimersoftd/311:04:273
138491410,0ptp4l401ktimersoftd/307:31:083
484999404,5cyclictest41-21ksoftirqd/308:55:183
4849994033,4cyclictest2182-21sh12:30:003
484899401,21cyclictest0-21swapper/209:14:182
484899400,25cyclictest12497-21chrt09:35:032
484899400,24cyclictest9664-21chrt08:24:462
484899400,21cyclictest0-21swapper/208:11:112
484899400,20cyclictest0-21swapper/212:17:022
484799400,38cyclictest0-21swapper/110:48:021
484899391,23cyclictest1944-21chrt10:15:462
484799390,37cyclictest0-21swapper/111:24:531
484799390,37cyclictest0-21swapper/110:15:331
4848993831,5cyclictest33-21ksoftirqd/211:24:112
484899381,23cyclictest32413-21taskset08:05:102
484899381,22cyclictest5515-21smartctl12:35:172
484899381,22cyclictest5515-21smartctl12:35:162
484899381,22cyclictest11999-21chrt09:31:302
484899380,24cyclictest4563-21seq09:18:432
484899380,23cyclictest31861-21taskset10:10:312
484899380,23cyclictest29345-21taskset09:01:172
4847993833,3cyclictest25-21ksoftirqd/110:05:001
484799380,36cyclictest0-21swapper/111:34:541
484799380,36cyclictest0-21swapper/109:30:231
484999377,5cyclictest41-21ksoftirqd/308:00:173
484999376,4cyclictest41-21ksoftirqd/310:15:263
484999374,5cyclictest41-21ksoftirqd/311:50:143
4848993731,4cyclictest33-21ksoftirqd/208:57:362
484899371,25cyclictest23431-21taskset07:45:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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