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2026-05-13 - 08:18
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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 Wed May 13, 2026 00:45:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6102229166,51sleep20-21swapper/219:08:072
4342202168,22sleep30-21swapper/319:06:073
4382201168,22sleep10-21swapper/119:06:101
7032200166,23sleep00-21swapper/019:09:130
3182721500,1sleep10-21swapper/100:30:191
674621340,3sleep3106799cyclictest20:25:193
126782700,2sleep30-21swapper/321:40:243
248912650,4sleep20-21swapper/200:15:242
138491610,1ptp4l401ktimersoftd/322:18:213
70502570,2sleep20-21swapper/222:35:192
135191460,1getstats12920-1kworker/3:2H22:20:013
106499461,43cyclictest30892-21awk00:30:000
257072450,2sleep20-21swapper/221:05:002
135191430,1getstats0-21swapper/322:50:013
106499432,39cyclictest3378-21cron19:15:000
138491420,35ptp4l0-21swapper/319:10:003
138491420,0ptp4l401ktimersoftd/321:15:343
1064994136,3cyclictest9-21ksoftirqd/000:25:010
1064994035,3cyclictest9-21ksoftirqd/000:00:000
1066993928,9cyclictest33-21ksoftirqd/221:40:252
138491380,8ptp4l401ktimersoftd/319:33:553
106799381,35cyclictest9003-21kworker/3:221:02:233
1066993833,3cyclictest33-21ksoftirqd/200:10:002
1066993832,3cyclictest33-21ksoftirqd/219:39:592
1066993831,4cyclictest33-21ksoftirqd/220:04:322
1064993831,4cyclictest9-21ksoftirqd/020:54:270
135191370,1getstats0-21swapper/319:50:013
106799378,28cyclictest10134-21kworker/3:119:22:333
1067993731,4cyclictest41-21ksoftirqd/323:36:503
1067993730,4cyclictest41-21ksoftirqd/319:53:003
1066993733,2cyclictest33-21ksoftirqd/223:25:002
1066993731,4cyclictest33-21ksoftirqd/221:49:322
1066993731,4cyclictest33-21ksoftirqd/219:32:452
1065993731,4cyclictest25-21ksoftirqd/123:44:301
1065993730,5cyclictest25-21ksoftirqd/121:23:171
1064993733,3cyclictest9-21ksoftirqd/022:25:000
1064993732,3cyclictest9-21ksoftirqd/021:35:000
1064993732,3cyclictest9-21ksoftirqd/019:45:000
1064993731,3cyclictest9-21ksoftirqd/021:20:170
1064993731,3cyclictest9-21ksoftirqd/019:50:130
135191360,1getstats12920-1kworker/3:2H20:25:013
1067993630,4cyclictest41-21ksoftirqd/321:14:283
1067993630,4cyclictest41-21ksoftirqd/319:28:333
1067993630,4cyclictest41-21ksoftirqd/300:32:183
1066993631,3cyclictest33-21ksoftirqd/221:20:002
1066993630,4cyclictest33-21ksoftirqd/219:47:462
1065993630,4cyclictest25-21ksoftirqd/121:39:541
1065993630,4cyclictest25-21ksoftirqd/119:39:551
1065993630,4cyclictest25-21ksoftirqd/100:24:541
1064993632,3cyclictest9-21ksoftirqd/020:00:000
1064993632,3cyclictest9-21ksoftirqd/000:20:010
1064993631,3cyclictest9-21ksoftirqd/021:45:190
1064993630,4cyclictest9-21ksoftirqd/020:39:110
1064993630,3cyclictest9-21ksoftirqd/000:00:130
1064993629,5cyclictest9-21ksoftirqd/023:18:410
1067993530,3cyclictest41-21ksoftirqd/323:56:233
1067993529,4cyclictest41-21ksoftirqd/321:32:053
1067993529,4cyclictest41-21ksoftirqd/320:54:073
1067993529,4cyclictest41-21ksoftirqd/320:37:133
1067993529,4cyclictest41-21ksoftirqd/320:07:453
1067993528,4cyclictest41-21ksoftirqd/321:25:113
1066993529,4cyclictest33-21ksoftirqd/223:49:322
1066993529,4cyclictest33-21ksoftirqd/223:43:182
1066993529,4cyclictest33-21ksoftirqd/222:53:442
1066993529,4cyclictest33-21ksoftirqd/222:33:222
1066993529,4cyclictest33-21ksoftirqd/200:14:322
1066993528,4cyclictest33-21ksoftirqd/223:15:422
1066993525,9cyclictest33-21ksoftirqd/222:25:262
1066993523,9cyclictest33-21ksoftirqd/219:25:272
106599356,27cyclictest0-21swapper/119:22:231
1065993530,3cyclictest25-21ksoftirqd/122:57:471
1065993530,3cyclictest25-21ksoftirqd/120:45:121
1065993530,3cyclictest25-21ksoftirqd/120:45:121
1065993530,3cyclictest25-21ksoftirqd/119:25:061
1065993529,4cyclictest25-21ksoftirqd/123:54:411
1065993529,4cyclictest25-21ksoftirqd/123:28:211
1065993529,4cyclictest25-21ksoftirqd/122:42:241
1065993529,4cyclictest25-21ksoftirqd/120:37:231
1065993529,4cyclictest25-21ksoftirqd/120:09:511
1065993529,4cyclictest25-21ksoftirqd/119:17:281
1065993529,4cyclictest25-21ksoftirqd/119:12:261
1064993530,3cyclictest9-21ksoftirqd/023:00:150
1064993530,3cyclictest9-21ksoftirqd/020:50:010
1064993530,3cyclictest9-21ksoftirqd/020:50:000
1064993530,3cyclictest9-21ksoftirqd/020:40:230
1064993530,3cyclictest9-21ksoftirqd/000:15:000
1064993529,4cyclictest9-21ksoftirqd/023:53:150
1064993529,4cyclictest9-21ksoftirqd/022:19:360
1064993529,4cyclictest9-21ksoftirqd/020:57:560
1064993529,4cyclictest9-21ksoftirqd/019:27:270
1064993529,3cyclictest5751-21turbostat.cron21:30:000
1067993429,3cyclictest41-21ksoftirqd/323:51:343
1067993429,3cyclictest41-21ksoftirqd/319:18:063
1067993429,3cyclictest20436-21sshd21:56:383
1067993428,4cyclictest41-21ksoftirqd/321:52:473
1067993420,3cyclictest41-21ksoftirqd/322:05:003
1066993429,3cyclictest33-21ksoftirqd/220:05:102
1066993428,4cyclictest33-21ksoftirqd/221:52:262
1066993428,4cyclictest33-21ksoftirqd/221:38:142
1066993428,4cyclictest33-21ksoftirqd/221:27:232
1066993428,4cyclictest33-21ksoftirqd/200:26:072
1066993428,4cyclictest33-21ksoftirqd/200:01:592
1066993428,3cyclictest6981-21irqrtprio19:20:192
1066993428,3cyclictest33-21ksoftirqd/220:36:302
1066993427,4cyclictest33-21ksoftirqd/223:40:002
1066993427,4cyclictest33-21ksoftirqd/222:15:102
1066993427,4cyclictest33-21ksoftirqd/221:55:042
1065993428,4cyclictest25-21ksoftirqd/123:37:361
1065993428,4cyclictest25-21ksoftirqd/123:24:491
1065993428,4cyclictest25-21ksoftirqd/121:10:051
1065993428,4cyclictest25-21ksoftirqd/120:58:591
1065993428,4cyclictest25-21ksoftirqd/120:00:581
1065993428,4cyclictest25-21ksoftirqd/100:00:261
1065993427,5cyclictest25-21ksoftirqd/123:14:411
1065993427,5cyclictest25-21ksoftirqd/120:31:351
1064993429,3cyclictest9-21ksoftirqd/022:50:180
1064993429,3cyclictest9-21ksoftirqd/021:12:230
1064993429,3cyclictest9-21ksoftirqd/020:25:000
1064993429,3cyclictest9-21ksoftirqd/019:20:140
1064993429,2cyclictest9-21ksoftirqd/023:15:010
1064993428,4cyclictest9-21ksoftirqd/023:45:130
1064993428,4cyclictest9-21ksoftirqd/022:26:180
1064993428,3cyclictest9-21ksoftirqd/021:55:190
1064993427,5cyclictest9-21ksoftirqd/022:57:230
106499341,2cyclictest121rcu_preempt00:05:120
138491330,0ptp4l401ktimersoftd/319:40:023
1067993328,3cyclictest41-21ksoftirqd/320:16:363
1067993327,4cyclictest41-21ksoftirqd/319:57:343
1067993327,3cyclictest41-21ksoftirqd/323:21:023
1067993326,5cyclictest41-21ksoftirqd/323:04:483
1067993326,4cyclictest41-21ksoftirqd/300:15:193
1066993329,3cyclictest33-21ksoftirqd/222:00:212
1066993328,3cyclictest33-21ksoftirqd/223:06:582
1066993328,3cyclictest33-21ksoftirqd/220:42:202
1066993328,3cyclictest33-21ksoftirqd/200:20:172
1066993327,4cyclictest33-21ksoftirqd/221:09:012
1066993327,4cyclictest33-21ksoftirqd/220:47:042
1066993327,4cyclictest33-21ksoftirqd/220:47:032
1066993326,4cyclictest33-21ksoftirqd/222:48:342
1065993328,3cyclictest25-21ksoftirqd/123:46:251
1065993328,3cyclictest25-21ksoftirqd/122:45:111
1065993328,3cyclictest25-21ksoftirqd/122:20:121
1065993328,3cyclictest25-21ksoftirqd/122:10:001
1065993328,3cyclictest25-21ksoftirqd/119:56:541
1065993328,3cyclictest25-21ksoftirqd/100:17:061
1065993327,4cyclictest25-21ksoftirqd/122:36:141
1065993327,4cyclictest25-21ksoftirqd/122:12:351
1065993327,4cyclictest25-21ksoftirqd/119:40:591
1065993327,4cyclictest25-21ksoftirqd/100:05:081
1065993326,5cyclictest25-21ksoftirqd/122:53:471
1065993326,4cyclictest25-21ksoftirqd/122:02:441
1065993326,4cyclictest25-21ksoftirqd/100:37:091
1064993328,3cyclictest9-21ksoftirqd/023:27:380
1064993328,3cyclictest9-21ksoftirqd/021:04:380
1064993328,3cyclictest9-21ksoftirqd/020:13:390
1064993327,4cyclictest9-21ksoftirqd/021:51:560
1064993327,4cyclictest9-21ksoftirqd/019:46:510
1064993327,4cyclictest9-21ksoftirqd/019:32:430
1064993327,4cyclictest9-21ksoftirqd/000:35:160
1064993326,4cyclictest9-21ksoftirqd/022:45:190
138491320,9ptp4l0-21swapper/319:39:423
138491320,0ptp4l401ktimersoftd/321:22:203
1067993228,3cyclictest41-21ksoftirqd/322:35:343
1067993227,3cyclictest41-21ksoftirqd/300:01:023
1067993226,4cyclictest41-21ksoftirqd/323:11:343
1067993226,4cyclictest41-21ksoftirqd/323:08:373
1067993226,4cyclictest41-21ksoftirqd/322:29:473
1067993226,4cyclictest41-21ksoftirqd/300:39:083
1067993226,3cyclictest41-21ksoftirqd/300:10:563
1066993228,2cyclictest33-21ksoftirqd/222:10:232
1066993228,2cyclictest33-21ksoftirqd/200:00:002
1066993227,3cyclictest33-21ksoftirqd/223:28:242
1066993227,3cyclictest33-21ksoftirqd/221:12:232
1066993227,3cyclictest33-21ksoftirqd/200:30:212
1066993226,4cyclictest33-21ksoftirqd/220:24:532
1066993226,4cyclictest33-21ksoftirqd/200:39:152
1066993226,3cyclictest33-21ksoftirqd/220:10:122
1066993224,3cyclictest33-21ksoftirqd/219:44:542
1065993227,3cyclictest25-21ksoftirqd/121:08:551
1065993227,3cyclictest25-21ksoftirqd/119:50:121
1065993226,4cyclictest25-21ksoftirqd/123:06:231
1065993226,4cyclictest25-21ksoftirqd/122:33:021
1065993226,4cyclictest25-21ksoftirqd/122:27:111
1065993226,4cyclictest25-21ksoftirqd/122:18:011
1065993226,4cyclictest25-21ksoftirqd/120:29:061
1065993226,4cyclictest25-21ksoftirqd/120:17:211
1065993226,4cyclictest25-21ksoftirqd/119:47:581
1065993225,4cyclictest25-21ksoftirqd/119:33:501
1064993227,3cyclictest9-21ksoftirqd/021:40:100
1064993227,3cyclictest9-21ksoftirqd/020:31:140
1064993226,4cyclictest9-21ksoftirqd/023:09:310
1064993226,4cyclictest9-21ksoftirqd/020:09:370
1064993226,4cyclictest9-21ksoftirqd/019:15:470
1064993226,3cyclictest9-21ksoftirqd/023:20:130
138491310,8ptp4l0-21swapper/322:58:043
138491310,0ptp4l401ktimersoftd/322:45:203
1067993126,3cyclictest41-21ksoftirqd/320:40:233
1067993125,4cyclictest41-21ksoftirqd/321:48:383
1067993125,4cyclictest41-21ksoftirqd/320:56:043
1067993124,4cyclictest41-21ksoftirqd/300:08:553
1066993126,3cyclictest33-21ksoftirqd/223:30:132
1066993126,3cyclictest33-21ksoftirqd/219:10:112
1066993125,4cyclictest33-21ksoftirqd/220:52:212
1066993124,4cyclictest33-21ksoftirqd/220:17:222
1065993126,3cyclictest25-21ksoftirqd/121:41:381
1065993126,3cyclictest25-21ksoftirqd/100:27:411
1065993125,4cyclictest25-21ksoftirqd/121:56:301
1065993125,4cyclictest25-21ksoftirqd/121:29:391
1064993127,2cyclictest9-21ksoftirqd/021:15:210
1064993126,3cyclictest9-21ksoftirqd/022:35:000
1064993126,3cyclictest9-21ksoftirqd/022:10:000
1064993125,4cyclictest9-21ksoftirqd/023:38:390
1064993125,4cyclictest9-21ksoftirqd/022:42:270
138491300,1ptp4l0-21swapper/300:22:333
138491300,0ptp4l401ktimersoftd/322:31:113
138491300,0ptp4l401ktimersoftd/320:02:103
138491300,0ptp4l401ktimersoftd/300:29:323
1067993025,3cyclictest41-21ksoftirqd/322:11:493
1067993025,3cyclictest41-21ksoftirqd/320:11:303
1067993024,4cyclictest41-21ksoftirqd/322:05:393
1066993025,3cyclictest33-21ksoftirqd/221:30:192
1066993025,3cyclictest33-21ksoftirqd/220:27:532
1066993025,3cyclictest33-21ksoftirqd/219:54:522
1066993018,9cyclictest33-21ksoftirqd/222:40:162
1065993025,3cyclictest25-21ksoftirqd/120:12:471
1065993022,5cyclictest25-21ksoftirqd/120:41:281
1064993025,3cyclictest9-21ksoftirqd/021:08:070
1064993025,3cyclictest9-21ksoftirqd/020:25:350
1064993025,3cyclictest9-21ksoftirqd/000:30:200
1064993024,3cyclictest9-21ksoftirqd/022:35:190
1067992924,3cyclictest41-21ksoftirqd/320:30:163
1067992923,4cyclictest41-21ksoftirqd/323:48:213
1066992924,3cyclictest33-21ksoftirqd/222:20:462
1066992924,3cyclictest33-21ksoftirqd/219:55:112
1066992923,4cyclictest33-21ksoftirqd/222:59:062
1065992922,5cyclictest25-21ksoftirqd/123:30:341
1065992922,5cyclictest25-21ksoftirqd/123:03:141
1064992924,3cyclictest9-21ksoftirqd/023:30:210
1064992924,3cyclictest9-21ksoftirqd/021:35:190
1064992924,3cyclictest9-21ksoftirqd/020:00:250
1067992824,2cyclictest41-21ksoftirqd/322:40:213
1067992823,3cyclictest41-21ksoftirqd/323:16:343
1067992822,4cyclictest41-21ksoftirqd/321:35:433
1067992822,4cyclictest41-21ksoftirqd/320:45:083
1067992822,4cyclictest41-21ksoftirqd/320:45:083
1066992823,3cyclictest33-21ksoftirqd/223:51:552
1066992823,3cyclictest33-21ksoftirqd/221:24:052
1066992822,4cyclictest33-21ksoftirqd/220:33:032
1065992823,3cyclictest25-21ksoftirqd/121:50:081
1065992822,4cyclictest25-21ksoftirqd/121:31:151
1064992824,2cyclictest9-21ksoftirqd/019:35:180
1064992823,3cyclictest9-21ksoftirqd/020:17:560
1064992822,3cyclictest9-21ksoftirqd/022:00:290
138491270,0ptp4l401ktimersoftd/323:41:573
1066992721,4cyclictest33-21ksoftirqd/223:03:562
1066992721,3cyclictest33-21ksoftirqd/222:08:012
1065992722,3cyclictest25-21ksoftirqd/121:19:561
1065992721,4cyclictest25-21ksoftirqd/123:56:251
1065992721,4cyclictest25-21ksoftirqd/120:54:251
1064992722,3cyclictest9-21ksoftirqd/022:14:550
1064992721,3cyclictest9-21ksoftirqd/023:40:360
138491260,0ptp4l401ktimersoftd/323:30:313
1067992621,3cyclictest41-21ksoftirqd/323:28:123
1066992620,4cyclictest33-21ksoftirqd/223:10:492
1065992621,3cyclictest25-21ksoftirqd/120:21:591
1065992620,3cyclictest25-21ksoftirqd/100:14:051
138491250,0ptp4l401ktimersoftd/321:05:293
1066992520,3cyclictest33-21ksoftirqd/219:17:322
1065992520,3cyclictest25-21ksoftirqd/123:18:021
1065992520,3cyclictest25-21ksoftirqd/121:04:031
1065992318,3cyclictest25-21ksoftirqd/121:49:291
1066992216,4cyclictest33-21ksoftirqd/220:55:052
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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