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2026-06-09 - 01:04
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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 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
484899371,23cyclictest20622sleep212:28:372
484899370,23cyclictest24260-21chrt11:01:592
484899370,20cyclictest0-21swapper/210:33:012
484999365,4cyclictest41-21ksoftirqd/309:47:383
4848993630,4cyclictest33-21ksoftirqd/209:45:502
4848993630,4cyclictest33-21ksoftirqd/209:06:022
4848993630,4cyclictest33-21ksoftirqd/207:15:382
484899361,18cyclictest0-21swapper/212:00:172
4847993631,3cyclictest25-21ksoftirqd/111:45:011
4847993631,3cyclictest25-21ksoftirqd/110:57:181
4847993631,3cyclictest25-21ksoftirqd/107:10:121
4847993630,4cyclictest25-21ksoftirqd/111:28:581
4847993630,4cyclictest25-21ksoftirqd/108:59:031
4847993630,4cyclictest25-21ksoftirqd/108:42:221
4847993629,5cyclictest25-21ksoftirqd/107:56:171
4847993629,4cyclictest25-21ksoftirqd/110:05:111
484799360,1cyclictest0-21swapper/109:55:421
4846993631,3cyclictest9-21ksoftirqd/009:55:130
4846993630,4cyclictest9-21ksoftirqd/008:08:110
4846993629,5cyclictest9-21ksoftirqd/010:44:050
4846993629,4cyclictest9-21ksoftirqd/009:20:070
484999356,4cyclictest41-21ksoftirqd/311:30:123
4848993530,3cyclictest33-21ksoftirqd/207:28:052
4848993529,4cyclictest33-21ksoftirqd/212:32:022
4848993529,4cyclictest33-21ksoftirqd/210:59:152
4848993529,4cyclictest33-21ksoftirqd/210:25:542
4848993529,4cyclictest33-21ksoftirqd/210:20:312
484899350,22cyclictest7021-21taskset11:32:552
484899350,22cyclictest16768-21chrt08:36:212
484899350,21cyclictest24621-21seq09:58:032
484899350,19cyclictest0-21swapper/210:35:122
4847993530,3cyclictest25-21ksoftirqd/109:54:341
4847993529,4cyclictest25-21ksoftirqd/111:56:461
4846993529,4cyclictest9-21ksoftirqd/011:30:310
4846993529,4cyclictest9-21ksoftirqd/011:03:500
4846993529,4cyclictest9-21ksoftirqd/010:28:390
4846993529,4cyclictest9-21ksoftirqd/010:04:050
4846993529,4cyclictest9-21ksoftirqd/009:53:260
4846993529,4cyclictest9-21ksoftirqd/009:43:390
4846993529,4cyclictest9-21ksoftirqd/008:36:350
4846993529,4cyclictest9-21ksoftirqd/008:26:080
4846993528,5cyclictest9-21ksoftirqd/009:15:100
4846993513,19cyclictest27720-21cat09:00:130
484999346,4cyclictest41-21ksoftirqd/310:56:033
484999345,5cyclictest41-21ksoftirqd/307:57:513
4849993428,4cyclictest41-21ksoftirqd/308:28:403
4849993412,20cyclictest24398-21kworker/3:108:05:223
4848993428,4cyclictest33-21ksoftirqd/211:48:132
4848993428,4cyclictest33-21ksoftirqd/209:43:212
484899340,21cyclictest21543-21seq07:40:582
4847993429,3cyclictest25-21ksoftirqd/111:35:191
4847993429,3cyclictest25-21ksoftirqd/111:35:191
4847993429,3cyclictest25-21ksoftirqd/107:38:561
4847993428,4cyclictest25-21ksoftirqd/112:18:181
4847993428,4cyclictest25-21ksoftirqd/112:14:111
4847993428,4cyclictest25-21ksoftirqd/109:40:581
4847993428,4cyclictest25-21ksoftirqd/108:52:281
4847993428,4cyclictest25-21ksoftirqd/108:21:281
4847993428,4cyclictest25-21ksoftirqd/108:13:211
4847993428,4cyclictest25-21ksoftirqd/108:09:571
4847993428,4cyclictest25-21ksoftirqd/107:15:491
4847993427,5cyclictest25-21ksoftirqd/107:29:291
4846993429,3cyclictest9-21ksoftirqd/011:36:110
4846993429,3cyclictest9-21ksoftirqd/011:36:110
4846993428,4cyclictest9-21ksoftirqd/011:51:400
4846993428,4cyclictest9-21ksoftirqd/011:05:500
4846993428,4cyclictest9-21ksoftirqd/010:58:330
4846993428,4cyclictest9-21ksoftirqd/010:50:070
4846993428,4cyclictest9-21ksoftirqd/010:10:140
4846993428,4cyclictest9-21ksoftirqd/009:36:290
4846993428,4cyclictest9-21ksoftirqd/009:26:450
4846993428,4cyclictest9-21ksoftirqd/008:49:550
4846993428,4cyclictest9-21ksoftirqd/007:46:250
4846993427,5cyclictest9-21ksoftirqd/011:23:450
4846993427,5cyclictest9-21ksoftirqd/011:15:410
4846993427,4cyclictest9-21ksoftirqd/010:30:570
4846993411,3cyclictest17645-21expr11:55:140
484999337,4cyclictest41-21ksoftirqd/311:15:413
484999336,4cyclictest41-21ksoftirqd/312:30:263
484999336,4cyclictest41-21ksoftirqd/311:56:563
4848993327,4cyclictest33-21ksoftirqd/210:53:582
4848993327,4cyclictest33-21ksoftirqd/207:20:192
484899330,19cyclictest26611-21awk11:05:262
484899330,19cyclictest26034-21phc2sys12:10:232
4847993328,3cyclictest25-21ksoftirqd/109:35:181
4847993327,4cyclictest25-21ksoftirqd/112:03:361
4847993327,4cyclictest25-21ksoftirqd/110:34:311
4847993327,4cyclictest25-21ksoftirqd/109:12:111
4847993326,5cyclictest25-21ksoftirqd/110:25:041
4846993328,3cyclictest9-21ksoftirqd/009:33:120
4846993327,4cyclictest9-21ksoftirqd/012:37:500
4846993327,4cyclictest9-21ksoftirqd/012:37:490
4846993327,4cyclictest9-21ksoftirqd/011:28:540
4846993327,4cyclictest9-21ksoftirqd/008:55:570
4846993327,4cyclictest9-21ksoftirqd/008:31:050
4846993327,4cyclictest9-21ksoftirqd/008:00:090
4846993327,4cyclictest9-21ksoftirqd/007:55:110
4846993327,4cyclictest9-21ksoftirqd/007:51:340
4846993327,4cyclictest9-21ksoftirqd/007:41:470
4846993327,4cyclictest9-21ksoftirqd/007:24:060
4846993327,4cyclictest9-21ksoftirqd/007:17:000
4846993326,4cyclictest9-21ksoftirqd/011:45:000
4846993311,3cyclictest18075-21cut08:40:190
4849993226,4cyclictest41-21ksoftirqd/307:38:453
4848993226,4cyclictest33-21ksoftirqd/211:40:222
4848993226,4cyclictest33-21ksoftirqd/210:06:202
4848993226,4cyclictest33-21ksoftirqd/208:33:322
4848993226,4cyclictest33-21ksoftirqd/208:16:482
484899320,19cyclictest13555-21chrt10:40:222
4847993227,3cyclictest25-21ksoftirqd/108:36:151
4847993227,3cyclictest25-21ksoftirqd/108:28:051
4847993226,4cyclictest25-21ksoftirqd/112:31:011
4847993226,4cyclictest25-21ksoftirqd/111:47:331
4847993226,4cyclictest25-21ksoftirqd/109:02:201
4846993226,4cyclictest9-21ksoftirqd/010:08:180
4846993213,16cyclictest980-21latency09:10:200
4846993211,3cyclictest19493-21sed07:40:000
4849993126,3cyclictest41-21ksoftirqd/311:06:303
4849993125,4cyclictest41-21ksoftirqd/308:48:133
4849993125,4cyclictest41-21ksoftirqd/308:41:163
4849993124,4cyclictest41-21ksoftirqd/312:07:313
484899310,17cyclictest16799-21runrttasks10:46:012
4847993126,3cyclictest25-21ksoftirqd/110:50:521
4847993125,4cyclictest25-21ksoftirqd/110:42:041
4847993125,4cyclictest25-21ksoftirqd/110:12:291
4847993125,4cyclictest25-21ksoftirqd/109:24:391
4847993125,4cyclictest25-21ksoftirqd/108:16:061
4847993125,4cyclictest25-21ksoftirqd/107:43:571
484699319,4cyclictest25364-21wc12:10:170
4846993126,3cyclictest9-21ksoftirqd/008:23:280
4846993125,4cyclictest9-21ksoftirqd/010:47:420
4846993125,4cyclictest9-21ksoftirqd/009:08:130
4846993125,3cyclictest9-21ksoftirqd/012:34:080
4846993125,3cyclictest9-21ksoftirqd/008:53:110
4846993118,4cyclictest9-21ksoftirqd/009:45:520
4846993110,3cyclictest14280-21seq11:45:500
484999306,4cyclictest41-21ksoftirqd/311:41:093
4849993027,2cyclictest391rcuc/310:31:253
4849993025,3cyclictest41-21ksoftirqd/309:58:363
4848993025,3cyclictest33-21ksoftirqd/212:20:122
4847993025,3cyclictest25-21ksoftirqd/107:48:491
4847993024,4cyclictest25-21ksoftirqd/111:11:101
4847993023,4cyclictest25-21ksoftirqd/111:16:521
484799300,28cyclictest0-21swapper/107:21:431
4846993025,3cyclictest9-21ksoftirqd/012:26:550
4846993025,3cyclictest9-21ksoftirqd/012:20:120
4846993024,4cyclictest9-21ksoftirqd/012:05:570
4846993024,4cyclictest9-21ksoftirqd/011:14:050
4846993023,4cyclictest9-21ksoftirqd/007:27:470
4846993010,2cyclictest1303-21runrttasks10:22:010
484999295,7cyclictest41-21ksoftirqd/312:00:173
4847992925,2cyclictest25-21ksoftirqd/110:36:061
4847992924,3cyclictest25-21ksoftirqd/111:06:141
4847992923,4cyclictest25-21ksoftirqd/112:35:101
4847992923,4cyclictest25-21ksoftirqd/112:35:101
4847992923,4cyclictest25-21ksoftirqd/111:02:511
4847992922,4cyclictest25-21ksoftirqd/110:23:001
4846992924,3cyclictest9-21ksoftirqd/008:12:120
4846992923,4cyclictest9-21ksoftirqd/012:00:070
4846992923,4cyclictest9-21ksoftirqd/007:11:140
138491290,23ptp4l35792irq/125-enp1s0-09:25:043
4847992823,3cyclictest25-21ksoftirqd/108:35:001
4847992823,3cyclictest25-21ksoftirqd/107:54:201
4847992822,4cyclictest25-21ksoftirqd/112:08:301
4846992822,4cyclictest9-21ksoftirqd/008:16:050
4848992722,3cyclictest33-21ksoftirqd/208:41:512
4847992721,4cyclictest25-21ksoftirqd/109:26:391
4847992711,14cyclictest5314-21kworker/1:108:45:041
4846992721,4cyclictest9-21ksoftirqd/007:31:160
4848992610,13cyclictest10148-21cstates08:25:122
4847992621,3cyclictest25-21ksoftirqd/112:22:061
4847992620,3cyclictest25-21ksoftirqd/107:32:571
484799260,5cyclictest174592grep09:45:111
138491250,1ptp4l401ktimersoftd/309:30:103
4846992116,3cyclictest9-21ksoftirqd/010:35:590
4846992115,3cyclictest369-21df10:15:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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