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2025-11-22 - 19:42
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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 Sat Nov 22, 2025 12:45:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
427791204171,22phc2sys0-21swapper/307:06:183
52082202168,23sleep20-21swapper/207:07:392
52392201167,23sleep10-21swapper/107:08:021
50692199165,22sleep00-21swapper/007:05:480
1313721780,5sleep0568899cyclictest08:29:590
637221530,6sleep2569099cyclictest09:20:162
539628560,16sleep30-21swapper/307:10:003
427291620,9ptp4l401ktimersoftd/310:17:073
279202610,4sleep3569199cyclictest08:59:593
5689996027,7cyclictest25-21ksoftirqd/110:20:001
5689995927,4cyclictest25-21ksoftirqd/108:34:591
5689995824,4cyclictest25-21ksoftirqd/112:00:011
5689995726,4cyclictest25-21ksoftirqd/108:20:171
5689995623,4cyclictest25-21ksoftirqd/109:35:291
5689995621,4cyclictest25-21ksoftirqd/109:00:241
95412550,1sleep29543-21uname07:15:242
5689995517,9cyclictest25-21ksoftirqd/109:09:591
5689995427,7cyclictest25-21ksoftirqd/110:45:171
5689995425,6cyclictest25-21ksoftirqd/111:15:241
5689995421,3cyclictest25-21ksoftirqd/112:05:151
5689995413,6cyclictest25-21ksoftirqd/110:00:251
5689995322,4cyclictest25-21ksoftirqd/108:55:191
5689995321,4cyclictest25-21ksoftirqd/109:55:161
5689995318,7cyclictest25-21ksoftirqd/110:20:261
5689995318,7cyclictest25-21ksoftirqd/108:05:291
5689995317,4cyclictest25-21ksoftirqd/107:40:251
5689995317,3cyclictest25-21ksoftirqd/111:50:201
5689995313,7cyclictest25-21ksoftirqd/109:10:221
5689995311,7cyclictest25-21ksoftirqd/108:15:191
5689995223,7cyclictest25-21ksoftirqd/112:20:211
5689995220,4cyclictest25-21ksoftirqd/107:45:211
5689995218,4cyclictest25-21ksoftirqd/112:25:281
5689995218,4cyclictest25-21ksoftirqd/111:40:181
5689995217,4cyclictest25-21ksoftirqd/110:10:391
5689995216,4cyclictest25-21ksoftirqd/108:25:181
5689995215,4cyclictest25-21ksoftirqd/107:50:281
5689995214,8cyclictest25-21ksoftirqd/110:30:221
5689995213,8cyclictest25-21ksoftirqd/112:10:291
5689995213,8cyclictest25-21ksoftirqd/108:00:151
568899524,45cyclictest227-21systemd-journal12:25:000
5689995120,8cyclictest25-21ksoftirqd/112:30:581
5689995120,4cyclictest25-21ksoftirqd/108:40:111
5689995117,7cyclictest25-21ksoftirqd/111:45:291
5689995116,6cyclictest25-21ksoftirqd/109:45:191
5689995116,4cyclictest25-21ksoftirqd/109:30:201
5689995115,4cyclictest25-21ksoftirqd/110:25:121
5689995114,8cyclictest25-21ksoftirqd/110:55:151
5689995114,4cyclictest25-21ksoftirqd/112:00:141
5689995113,4cyclictest25-21ksoftirqd/107:20:001
5689995112,7cyclictest25-21ksoftirqd/109:50:161
5688995144,4cyclictest5578-21cron08:15:010
5688995144,4cyclictest5578-21cron08:15:010
137382510,2sleep20-21swapper/209:35:172
568999509,7cyclictest25-21ksoftirqd/107:10:151
5689995031,9cyclictest25-21ksoftirqd/112:20:001
5689995021,4cyclictest25-21ksoftirqd/110:44:471
5689995020,7cyclictest25-21ksoftirqd/110:35:281
5689995014,4cyclictest25-21ksoftirqd/111:00:271
5689995013,8cyclictest25-21ksoftirqd/109:20:281
5689995012,6cyclictest25-21ksoftirqd/110:05:211
568999498,10cyclictest25-21ksoftirqd/108:45:171
5689994921,3cyclictest25-21ksoftirqd/107:25:171
5689994917,4cyclictest25-21ksoftirqd/108:37:381
5689994916,9cyclictest25-21ksoftirqd/110:50:161
5689994916,9cyclictest25-21ksoftirqd/110:50:161
5689994916,7cyclictest25-21ksoftirqd/107:55:281
5689994914,7cyclictest25-21ksoftirqd/107:20:191
5689994914,7cyclictest25-21ksoftirqd/107:20:191
5689994911,7cyclictest25-21ksoftirqd/111:10:211
5689994819,3cyclictest25-21ksoftirqd/109:19:511
5689994813,9cyclictest25-21ksoftirqd/111:25:141
5689994813,7cyclictest25-21ksoftirqd/111:05:281
5689994812,7cyclictest25-21ksoftirqd/107:30:271
5689994811,9cyclictest25-21ksoftirqd/111:35:221
5689994810,4cyclictest25-21ksoftirqd/112:35:291
5689994712,7cyclictest25-21ksoftirqd/108:50:191
5689994711,8cyclictest25-21ksoftirqd/107:35:241
5689994620,6cyclictest25-21ksoftirqd/109:40:181
5689994612,3cyclictest25-21ksoftirqd/108:10:251
5689994612,3cyclictest25-21ksoftirqd/108:10:241
427291450,0ptp4l401ktimersoftd/312:35:013
5690994439,3cyclictest33-21ksoftirqd/211:39:592
5690994438,3cyclictest33-21ksoftirqd/211:20:002
5690994437,4cyclictest33-21ksoftirqd/207:54:592
427291440,0ptp4l401ktimersoftd/310:48:243
5690994333,8cyclictest33-21ksoftirqd/208:25:002
5690994325,15cyclictest33-21ksoftirqd/212:30:262
568999439,4cyclictest25-21ksoftirqd/111:20:201
568999439,4cyclictest25-21ksoftirqd/111:20:201
568999431,9cyclictest25-21ksoftirqd/109:25:011
427291430,0ptp4l401ktimersoftd/311:35:063
427291430,0ptp4l401ktimersoftd/310:12:303
427291430,0ptp4l401ktimersoftd/309:41:163
427291430,0ptp4l401ktimersoftd/309:35:393
427291430,0ptp4l401ktimersoftd/308:21:223
427291420,0ptp4l401ktimersoftd/307:40:293
5689994135,3cyclictest25-21ksoftirqd/111:30:191
5690994030,7cyclictest33-21ksoftirqd/212:08:332
5691993934,3cyclictest41-21ksoftirqd/308:35:133
5691993933,4cyclictest41-21ksoftirqd/311:22:383
5691993933,4cyclictest41-21ksoftirqd/311:22:373
5691993933,4cyclictest41-21ksoftirqd/308:05:003
5690993934,3cyclictest33-21ksoftirqd/210:20:002
5691993833,3cyclictest41-21ksoftirqd/312:11:413
5691993832,4cyclictest41-21ksoftirqd/312:02:133
5691993831,4cyclictest41-21ksoftirqd/308:15:113
5690993833,3cyclictest33-21ksoftirqd/209:30:192
5690993832,4cyclictest33-21ksoftirqd/210:57:292
5690993831,5cyclictest33-21ksoftirqd/209:53:102
5690993827,10cyclictest33-21ksoftirqd/210:05:262
5688993832,4cyclictest9-21ksoftirqd/010:08:570
5688993832,4cyclictest9-21ksoftirqd/009:20:390
427291380,1ptp4l401ktimersoftd/307:46:083
5691993731,4cyclictest41-21ksoftirqd/312:21:153
5691993731,4cyclictest41-21ksoftirqd/311:18:413
5691993731,4cyclictest41-21ksoftirqd/310:54:333
5691993731,4cyclictest41-21ksoftirqd/310:54:333
5691993731,4cyclictest41-21ksoftirqd/307:33:473
5690993732,3cyclictest33-21ksoftirqd/210:55:012
5690993732,3cyclictest33-21ksoftirqd/210:55:002
5690993732,3cyclictest33-21ksoftirqd/210:10:212
5690993732,3cyclictest33-21ksoftirqd/208:45:012
5690993732,3cyclictest33-21ksoftirqd/208:05:212
5690993731,4cyclictest33-21ksoftirqd/211:12:292
5690993731,4cyclictest33-21ksoftirqd/207:11:272
5688993732,3cyclictest9-21ksoftirqd/012:05:000
5688993731,4cyclictest9-21ksoftirqd/007:37:450
5688993731,3cyclictest9-21ksoftirqd/009:15:130
5691993631,3cyclictest41-21ksoftirqd/311:11:313
5691993631,3cyclictest13020-21cron08:29:593
5691993630,4cyclictest41-21ksoftirqd/311:27:183
5691993630,4cyclictest41-21ksoftirqd/311:08:143
5691993630,4cyclictest41-21ksoftirqd/308:50:573
5691993630,4cyclictest41-21ksoftirqd/308:45:403
5691993629,4cyclictest41-21ksoftirqd/309:05:113
5691993612,21cyclictest24042-21expr12:05:143
5690993632,2cyclictest33-21ksoftirqd/211:05:002
5690993631,3cyclictest33-21ksoftirqd/210:47:512
5690993631,3cyclictest33-21ksoftirqd/210:25:002
5690993631,3cyclictest33-21ksoftirqd/210:00:202
5690993631,3cyclictest33-21ksoftirqd/208:55:002
5690993631,2cyclictest33-21ksoftirqd/208:20:002
5690993630,4cyclictest33-21ksoftirqd/211:44:472
5690993630,4cyclictest33-21ksoftirqd/210:28:442
5690993630,3cyclictest33-21ksoftirqd/212:25:192
5690993629,4cyclictest33-21ksoftirqd/211:24:132
5690993629,4cyclictest33-21ksoftirqd/211:24:132
5688993630,4cyclictest9-21ksoftirqd/011:56:280
5688993630,4cyclictest9-21ksoftirqd/011:27:280
5688993630,4cyclictest9-21ksoftirqd/008:51:260
5688993630,4cyclictest9-21ksoftirqd/008:08:420
5688993629,4cyclictest9-21ksoftirqd/012:25:370
5691993530,3cyclictest41-21ksoftirqd/311:31:403
5691993530,3cyclictest41-21ksoftirqd/310:25:383
5691993530,3cyclictest41-21ksoftirqd/309:15:143
5691993530,3cyclictest41-21ksoftirqd/307:35:113
5691993529,4cyclictest41-21ksoftirqd/309:58:253
5691993529,4cyclictest41-21ksoftirqd/309:53:403
5691993528,4cyclictest41-21ksoftirqd/310:41:333
5691993512,20cyclictest13149-21sshd07:25:093
5690993531,3cyclictest33-21ksoftirqd/207:25:192
5690993530,3cyclictest33-21ksoftirqd/211:05:122
5690993530,3cyclictest33-21ksoftirqd/210:35:202
5690993530,3cyclictest33-21ksoftirqd/207:42:302
5690993529,4cyclictest33-21ksoftirqd/212:21:252
5690993529,4cyclictest33-21ksoftirqd/212:17:242
5690993529,4cyclictest33-21ksoftirqd/211:27:382
5690993529,4cyclictest33-21ksoftirqd/209:57:432
5690993529,4cyclictest33-21ksoftirqd/209:10:422
5688993530,3cyclictest9-21ksoftirqd/012:38:000
5688993530,3cyclictest9-21ksoftirqd/011:45:160
5688993530,3cyclictest9-21ksoftirqd/011:17:410
5688993529,4cyclictest9-21ksoftirqd/011:30:080
5688993529,4cyclictest9-21ksoftirqd/011:00:400
5688993529,4cyclictest9-21ksoftirqd/010:24:210
5688993529,4cyclictest9-21ksoftirqd/009:46:140
5688993529,4cyclictest9-21ksoftirqd/008:39:350
5688993529,4cyclictest9-21ksoftirqd/007:14:420
36998350,7rtkit-daemon0-21swapper/012:19:170
5691993429,3cyclictest41-21ksoftirqd/312:19:553
5691993429,3cyclictest41-21ksoftirqd/307:50:173
5691993428,4cyclictest41-21ksoftirqd/311:59:563
5691993428,4cyclictest41-21ksoftirqd/309:13:043
5691993428,4cyclictest41-21ksoftirqd/309:02:403
5691993416,16cyclictest30432-21sh08:00:003
5690993429,3cyclictest33-21ksoftirqd/212:00:002
5690993429,3cyclictest33-21ksoftirqd/208:35:002
5690993429,3cyclictest33-21ksoftirqd/207:45:182
5690993428,4cyclictest33-21ksoftirqd/212:03:482
5690993428,4cyclictest33-21ksoftirqd/209:42:062
5690993428,4cyclictest33-21ksoftirqd/209:16:032
5690993428,4cyclictest33-21ksoftirqd/207:57:562
5688993429,3cyclictest9-21ksoftirqd/012:31:040
5688993429,3cyclictest9-21ksoftirqd/012:10:130
5688993429,3cyclictest9-21ksoftirqd/009:40:130
5688993429,3cyclictest9-21ksoftirqd/008:49:570
5688993429,3cyclictest9-21ksoftirqd/007:15:540
5688993428,4cyclictest9-21ksoftirqd/012:08:570
5688993428,4cyclictest9-21ksoftirqd/011:54:310
5688993428,4cyclictest9-21ksoftirqd/010:35:360
5688993428,4cyclictest9-21ksoftirqd/010:29:260
5688993428,4cyclictest9-21ksoftirqd/010:01:340
5688993428,4cyclictest9-21ksoftirqd/009:53:080
5688993428,4cyclictest9-21ksoftirqd/009:11:040
5688993427,4cyclictest9-21ksoftirqd/010:54:230
5688993427,4cyclictest9-21ksoftirqd/010:54:220
5691993328,3cyclictest41-21ksoftirqd/309:46:263
5691993328,3cyclictest41-21ksoftirqd/309:30:333
5691993328,3cyclictest41-21ksoftirqd/308:30:033
5691993328,3cyclictest41-21ksoftirqd/308:06:313
5691993327,4cyclictest41-21ksoftirqd/312:31:493
5691993327,4cyclictest41-21ksoftirqd/308:14:593
5691993327,4cyclictest41-21ksoftirqd/308:14:583
5691993316,15cyclictest41-21ksoftirqd/310:02:503
5691993312,18cyclictest2192-21hddtemp_smartct12:25:173
5690993329,3cyclictest33-21ksoftirqd/211:52:412
5690993329,2cyclictest33-21ksoftirqd/208:04:592
5690993328,3cyclictest33-21ksoftirqd/211:30:272
5690993328,3cyclictest33-21ksoftirqd/207:38:512
5690993327,4cyclictest33-21ksoftirqd/208:26:172
5688993328,3cyclictest9-21ksoftirqd/010:42:470
5688993328,3cyclictest9-21ksoftirqd/008:31:450
5688993328,3cyclictest9-21ksoftirqd/008:17:070
5688993328,3cyclictest9-21ksoftirqd/007:31:500
5688993327,4cyclictest9-21ksoftirqd/011:36:100
5688993327,4cyclictest9-21ksoftirqd/011:08:460
5688993327,4cyclictest9-21ksoftirqd/008:58:080
5688993327,4cyclictest9-21ksoftirqd/007:28:130
5688993326,4cyclictest9-21ksoftirqd/010:10:020
5691993227,3cyclictest41-21ksoftirqd/311:02:373
5691993226,4cyclictest41-21ksoftirqd/307:22:073
5691993226,4cyclictest41-21ksoftirqd/307:22:073
5690993228,2cyclictest17081-21proc_pri08:35:262
5690993227,3cyclictest33-21ksoftirqd/211:47:092
5690993227,3cyclictest33-21ksoftirqd/210:30:152
5690993227,3cyclictest33-21ksoftirqd/209:06:272
5690993226,4cyclictest33-21ksoftirqd/209:47:082
5690993226,4cyclictest33-21ksoftirqd/209:01:282
5690993222,9cyclictest33-21ksoftirqd/208:45:242
5690993220,10cyclictest33-21ksoftirqd/210:40:282
5688993227,3cyclictest9-21ksoftirqd/010:59:030
5688993227,3cyclictest9-21ksoftirqd/009:55:400
5688993227,3cyclictest9-21ksoftirqd/007:40:130
5688993225,4cyclictest9-21ksoftirqd/011:41:520
5691993126,3cyclictest41-21ksoftirqd/310:36:423
5691993126,3cyclictest41-21ksoftirqd/310:05:043
5691993125,4cyclictest41-21ksoftirqd/311:47:533
5691993125,4cyclictest41-21ksoftirqd/309:27:033
569199311,7cyclictest1264-21snmpd10:30:143
5691993111,18cyclictest21375-21/usr/sbin/munin10:55:273
5690993127,2cyclictest33-21ksoftirqd/207:30:262
5690993126,3cyclictest33-21ksoftirqd/212:35:212
5690993126,3cyclictest33-21ksoftirqd/208:58:172
5690993126,3cyclictest33-21ksoftirqd/208:10:352
5690993126,3cyclictest33-21ksoftirqd/208:10:352
5690993125,4cyclictest33-21ksoftirqd/212:12:512
5690993125,4cyclictest33-21ksoftirqd/209:28:122
5688993126,3cyclictest9-21ksoftirqd/010:16:350
5688993126,3cyclictest9-21ksoftirqd/007:53:250
5688993125,4cyclictest9-21ksoftirqd/011:24:470
5688993125,4cyclictest9-21ksoftirqd/011:24:470
5688993125,4cyclictest9-21ksoftirqd/010:46:200
569199307,3cyclictest18694-21cat11:55:013
5691993024,4cyclictest41-21ksoftirqd/308:43:153
5691993010,3cyclictest4021-21df_abs10:20:153
5690993017,10cyclictest33-21ksoftirqd/207:20:262
5690993017,10cyclictest33-21ksoftirqd/207:20:252
5688993025,3cyclictest9-21ksoftirqd/011:14:400
5688993025,3cyclictest9-21ksoftirqd/010:31:390
5688992924,3cyclictest9-21ksoftirqd/007:47:270
5688992923,4cyclictest9-21ksoftirqd/009:31:260
5688992923,4cyclictest9-21ksoftirqd/007:20:200
5688992923,4cyclictest9-21ksoftirqd/007:20:200
5691992823,3cyclictest41-21ksoftirqd/311:40:113
5691992823,3cyclictest41-21ksoftirqd/309:20:493
5688992721,4cyclictest9-21ksoftirqd/009:28:040
5688992721,4cyclictest9-21ksoftirqd/008:01:270
5688992621,3cyclictest9-21ksoftirqd/009:01:410
5688992621,3cyclictest9-21ksoftirqd/008:44:510
5688992621,3cyclictest9-21ksoftirqd/007:56:210
5688992620,4cyclictest9-21ksoftirqd/009:05:110
5688992520,3cyclictest9-21ksoftirqd/009:36:520
427291250,0ptp4l401ktimersoftd/307:15:123
5688992419,3cyclictest9-21ksoftirqd/008:20:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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