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2026-04-28 - 14:50
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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 376 highest latencies:
System rackdslot3.osadl.org (updated Tue Apr 28, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1495723780,56sleep00-21swapper/019:06:060
1963623070,4sleep219585-21sh19:08:212
348322900,5sleep33492-21grep19:07:463
1670222390,18sleep10-21swapper/119:08:141
139391580,1ptp4l401ktimersoftd/319:50:253
167842550,1sleep30-21swapper/323:40:263
139391540,1ptp4l401ktimersoftd/321:12:133
139391540,0ptp4l401ktimersoftd/322:36:523
139391530,1ptp4l401ktimersoftd/319:15:303
139391510,1ptp4l401ktimersoftd/321:22:333
139391510,1ptp4l401ktimersoftd/300:32:593
67312470,3sleep00-21swapper/000:30:130
82812450,2sleep30-21swapper/323:25:183
57898440,9rtkit-daemon0-21swapper/000:08:560
139391430,0ptp4l401ktimersoftd/322:15:013
15106994237,2cyclictest9-21ksoftirqd/000:20:010
139391420,0ptp4l401ktimersoftd/323:00:563
139391420,0ptp4l401ktimersoftd/321:51:403
15107994035,3cyclictest25-21ksoftirqd/121:25:001
15107993935,3cyclictest25-21ksoftirqd/122:40:001
139391390,0ptp4l401ktimersoftd/320:20:323
15108993833,3cyclictest33-21ksoftirqd/221:50:012
15108993827,9cyclictest33-21ksoftirqd/221:35:152
15108993827,9cyclictest33-21ksoftirqd/221:35:152
15108993827,9cyclictest33-21ksoftirqd/220:10:262
15107993833,3cyclictest25-21ksoftirqd/121:45:011
15106993833,2cyclictest9-21ksoftirqd/022:45:000
15106993832,3cyclictest9-21ksoftirqd/021:00:110
15106993832,3cyclictest9-21ksoftirqd/000:20:150
139391380,1ptp4l401ktimersoftd/321:36:193
139391380,1ptp4l401ktimersoftd/321:36:183
15108993731,4cyclictest33-21ksoftirqd/222:23:432
15107993731,4cyclictest25-21ksoftirqd/121:05:191
15107993731,3cyclictest25-21ksoftirqd/100:20:141
15107993730,5cyclictest25-21ksoftirqd/119:37:381
15106993734,2cyclictest9-21ksoftirqd/022:20:000
15106993732,3cyclictest9-21ksoftirqd/020:25:000
15106993731,3cyclictest9-21ksoftirqd/023:40:000
15109993631,3cyclictest41-21ksoftirqd/322:45:013
15109993630,4cyclictest41-21ksoftirqd/323:45:523
15109993630,4cyclictest41-21ksoftirqd/323:45:513
15108993631,3cyclictest33-21ksoftirqd/223:51:432
15108993631,3cyclictest33-21ksoftirqd/221:05:002
15108993631,3cyclictest33-21ksoftirqd/219:15:002
15107993632,2cyclictest25-21ksoftirqd/121:20:011
15107993631,3cyclictest25-21ksoftirqd/120:45:201
15107993630,4cyclictest25-21ksoftirqd/123:12:001
15107993630,4cyclictest25-21ksoftirqd/123:02:051
15107993630,4cyclictest25-21ksoftirqd/120:15:531
15107993630,4cyclictest25-21ksoftirqd/119:51:381
15107993630,4cyclictest25-21ksoftirqd/100:19:551
15107993630,3cyclictest25-21ksoftirqd/119:30:181
15106993631,3cyclictest9-21ksoftirqd/023:45:210
15106993631,3cyclictest9-21ksoftirqd/023:45:200
15106993631,3cyclictest9-21ksoftirqd/022:55:190
15106993631,3cyclictest9-21ksoftirqd/022:45:220
15106993630,3cyclictest9-21ksoftirqd/021:55:200
15109993529,4cyclictest41-21ksoftirqd/320:07:253
15109993528,5cyclictest41-21ksoftirqd/320:00:013
15108993531,2cyclictest33-21ksoftirqd/222:15:132
15108993529,4cyclictest33-21ksoftirqd/220:09:162
15108993529,4cyclictest33-21ksoftirqd/219:46:172
15108993529,3cyclictest33-21ksoftirqd/223:24:592
15108993529,3cyclictest33-21ksoftirqd/220:35:182
15108993529,3cyclictest33-21ksoftirqd/220:35:182
15108993526,7cyclictest33-21ksoftirqd/221:10:012
15107993530,3cyclictest25-21ksoftirqd/121:45:201
15107993530,3cyclictest25-21ksoftirqd/120:55:111
15107993529,4cyclictest25-21ksoftirqd/122:44:201
15107993529,4cyclictest25-21ksoftirqd/122:34:451
15107993529,4cyclictest25-21ksoftirqd/120:53:281
15107993529,4cyclictest25-21ksoftirqd/120:10:121
15107993529,4cyclictest25-21ksoftirqd/119:25:511
15107993529,4cyclictest25-21ksoftirqd/119:17:561
15106993530,3cyclictest9-21ksoftirqd/021:15:010
15106993530,3cyclictest9-21ksoftirqd/020:35:180
15106993530,3cyclictest9-21ksoftirqd/020:35:180
15106993530,3cyclictest9-21ksoftirqd/020:00:010
15106993529,3cyclictest9-21ksoftirqd/023:55:010
15109993430,3cyclictest41-21ksoftirqd/322:35:003
15109993429,3cyclictest41-21ksoftirqd/300:01:133
15109993428,4cyclictest41-21ksoftirqd/322:06:393
15109993428,4cyclictest41-21ksoftirqd/321:16:533
15109993428,4cyclictest41-21ksoftirqd/320:55:353
15109993428,4cyclictest41-21ksoftirqd/320:04:083
15109993428,4cyclictest41-21ksoftirqd/300:17:123
15108993430,2cyclictest33-21ksoftirqd/221:55:002
15108993429,3cyclictest33-21ksoftirqd/223:16:012
15108993429,3cyclictest33-21ksoftirqd/221:44:542
15108993428,4cyclictest33-21ksoftirqd/222:46:542
15108993428,4cyclictest33-21ksoftirqd/220:04:112
15108993428,4cyclictest33-21ksoftirqd/200:27:352
15107993429,3cyclictest25-21ksoftirqd/123:24:441
15107993429,3cyclictest25-21ksoftirqd/123:06:261
15107993429,3cyclictest25-21ksoftirqd/121:35:001
15107993429,3cyclictest25-21ksoftirqd/100:05:011
15107993428,4cyclictest25-21ksoftirqd/123:25:041
15107993428,4cyclictest25-21ksoftirqd/122:19:051
15107993428,4cyclictest25-21ksoftirqd/122:07:411
15107993428,4cyclictest25-21ksoftirqd/121:00:501
15107993428,4cyclictest25-21ksoftirqd/120:33:221
15107993428,4cyclictest25-21ksoftirqd/100:13:421
15107993427,4cyclictest25-21ksoftirqd/120:40:041
15107993426,5cyclictest25-21ksoftirqd/123:46:381
15107993426,5cyclictest25-21ksoftirqd/123:46:371
15106993429,3cyclictest9-21ksoftirqd/023:15:190
15106993429,3cyclictest9-21ksoftirqd/022:55:010
15106993429,3cyclictest9-21ksoftirqd/021:20:010
15106993429,3cyclictest9-21ksoftirqd/019:40:150
15106993429,3cyclictest9-21ksoftirqd/019:10:020
15106993428,4cyclictest9-21ksoftirqd/000:11:590
15106993428,3cyclictest9-21ksoftirqd/023:40:130
15106993428,3cyclictest9-21ksoftirqd/020:10:130
139391340,0ptp4l401ktimersoftd/323:30:243
139391340,0ptp4l401ktimersoftd/319:45:083
15109993328,3cyclictest41-21ksoftirqd/320:25:043
15109993327,4cyclictest41-21ksoftirqd/323:16:473
15109993327,4cyclictest41-21ksoftirqd/322:59:063
15109993327,4cyclictest41-21ksoftirqd/322:00:293
15109993327,4cyclictest41-21ksoftirqd/321:59:403
15109993327,4cyclictest41-21ksoftirqd/321:40:033
15109993327,4cyclictest41-21ksoftirqd/321:26:313
15109993327,4cyclictest41-21ksoftirqd/320:51:373
15109993327,4cyclictest41-21ksoftirqd/319:43:343
15108993330,2cyclictest33-21ksoftirqd/222:40:192
15108993329,3cyclictest33-21ksoftirqd/200:05:342
15108993328,3cyclictest33-21ksoftirqd/221:59:342
15108993328,3cyclictest33-21ksoftirqd/220:45:002
15108993327,4cyclictest33-21ksoftirqd/223:33:342
15108993327,4cyclictest33-21ksoftirqd/223:12:162
15108993327,4cyclictest33-21ksoftirqd/222:26:162
15108993327,4cyclictest33-21ksoftirqd/219:30:532
15108993327,4cyclictest33-21ksoftirqd/200:37:092
15108993327,4cyclictest33-21ksoftirqd/200:21:252
15107993329,3cyclictest25-21ksoftirqd/100:34:001
15107993328,3cyclictest25-21ksoftirqd/120:09:511
15107993328,3cyclictest25-21ksoftirqd/120:00:561
15107993327,4cyclictest25-21ksoftirqd/120:27:481
15107993327,4cyclictest25-21ksoftirqd/120:24:281
15107993327,4cyclictest25-21ksoftirqd/100:39:581
15107993327,3cyclictest25-21ksoftirqd/123:40:081
15106993330,2cyclictest9-21ksoftirqd/019:20:120
15106993329,2cyclictest9-21ksoftirqd/021:10:010
15106993328,3cyclictest9-21ksoftirqd/023:20:180
15106993328,3cyclictest9-21ksoftirqd/022:20:190
15106993328,3cyclictest9-21ksoftirqd/020:50:170
15106993328,3cyclictest9-21ksoftirqd/000:40:000
15106993328,2cyclictest9-21ksoftirqd/021:40:190
15106993327,3cyclictest9-21ksoftirqd/023:15:000
15106993327,3cyclictest9-21ksoftirqd/021:55:000
15106993327,3cyclictest9-21ksoftirqd/020:45:200
15106993327,3cyclictest9-21ksoftirqd/000:29:430
139391330,0ptp4l401ktimersoftd/319:15:003
15109993227,3cyclictest41-21ksoftirqd/320:48:003
15109993226,4cyclictest41-21ksoftirqd/322:53:123
15109993226,4cyclictest41-21ksoftirqd/320:33:123
15109993226,4cyclictest41-21ksoftirqd/320:10:123
15109993226,4cyclictest41-21ksoftirqd/319:37:583
15109993226,4cyclictest41-21ksoftirqd/300:28:403
15108993229,2cyclictest33-21ksoftirqd/219:55:192
15108993227,3cyclictest33-21ksoftirqd/223:28:252
15108993227,3cyclictest33-21ksoftirqd/222:50:142
15108993227,3cyclictest33-21ksoftirqd/220:32:192
15108993227,3cyclictest33-21ksoftirqd/219:54:202
15108993227,3cyclictest33-21ksoftirqd/219:37:262
15108993227,3cyclictest33-21ksoftirqd/219:20:342
15108993226,4cyclictest33-21ksoftirqd/222:14:272
15108993226,4cyclictest33-21ksoftirqd/222:05:542
15108993226,4cyclictest33-21ksoftirqd/220:59:062
15108993226,4cyclictest33-21ksoftirqd/220:20:472
15108993226,4cyclictest33-21ksoftirqd/220:17:592
15108993226,4cyclictest33-21ksoftirqd/200:31:232
15108993226,3cyclictest33-21ksoftirqd/221:05:192
15108993226,3cyclictest33-21ksoftirqd/219:25:182
15108993226,3cyclictest33-21ksoftirqd/200:15:212
15108993218,12cyclictest33-21ksoftirqd/221:31:442
15107993227,3cyclictest25-21ksoftirqd/122:47:511
15107993227,3cyclictest25-21ksoftirqd/100:09:491
15107993226,4cyclictest25-21ksoftirqd/123:55:081
15107993226,4cyclictest25-21ksoftirqd/123:39:321
15107993226,4cyclictest25-21ksoftirqd/122:53:061
15107993226,4cyclictest25-21ksoftirqd/121:29:381
15107993226,4cyclictest25-21ksoftirqd/119:47:091
15107993226,4cyclictest25-21ksoftirqd/119:13:551
15106993229,2cyclictest9-21ksoftirqd/020:25:190
15106993228,2cyclictest9-21ksoftirqd/020:30:180
15106993227,3cyclictest9-21ksoftirqd/023:30:160
15106993227,3cyclictest9-21ksoftirqd/022:25:130
15106993227,3cyclictest9-21ksoftirqd/020:55:250
15106993226,4cyclictest9-21ksoftirqd/023:28:070
15106993226,4cyclictest9-21ksoftirqd/022:38:240
15106993226,4cyclictest9-21ksoftirqd/022:04:520
15106993226,3cyclictest9-21ksoftirqd/020:45:010
15109993126,3cyclictest41-21ksoftirqd/322:20:093
15109993126,3cyclictest41-21ksoftirqd/300:07:303
15109993125,4cyclictest41-21ksoftirqd/323:39:023
15109993125,4cyclictest41-21ksoftirqd/319:20:433
15109993125,4cyclictest41-21ksoftirqd/300:22:173
15109993125,4cyclictest41-21ksoftirqd/300:12:033
15108993126,2cyclictest33-21ksoftirqd/222:55:192
15108993125,4cyclictest33-21ksoftirqd/223:56:182
15108993125,4cyclictest33-21ksoftirqd/222:02:092
15108993125,4cyclictest33-21ksoftirqd/220:48:442
15108993125,4cyclictest33-21ksoftirqd/200:02:272
15107993126,3cyclictest25-21ksoftirqd/119:59:551
15107993125,4cyclictest25-21ksoftirqd/122:21:251
15107993125,4cyclictest25-21ksoftirqd/119:22:061
15107993125,3cyclictest25-21ksoftirqd/123:20:011
1510699315,3cyclictest121rcu_preempt21:25:000
15106993126,3cyclictest9-21ksoftirqd/023:55:210
15106993126,3cyclictest9-21ksoftirqd/020:15:200
15106993126,3cyclictest9-21ksoftirqd/000:00:290
15106993125,4cyclictest9-21ksoftirqd/021:31:580
15106993125,3cyclictest9-21ksoftirqd/021:40:010
15106993125,3cyclictest9-21ksoftirqd/021:40:010
15106993125,3cyclictest9-21ksoftirqd/019:50:180
15106993124,5cyclictest9-21ksoftirqd/021:47:300
139391310,0ptp4l401ktimersoftd/323:50:373
139391310,0ptp4l401ktimersoftd/319:29:003
15109993025,3cyclictest41-21ksoftirqd/320:15:073
15109993024,4cyclictest41-21ksoftirqd/323:06:323
15109993024,4cyclictest41-21ksoftirqd/321:07:453
15109993024,4cyclictest41-21ksoftirqd/300:39:193
15108993025,3cyclictest33-21ksoftirqd/223:35:192
15108993025,3cyclictest33-21ksoftirqd/220:53:072
15108993025,3cyclictest33-21ksoftirqd/200:11:132
15108993024,3cyclictest33-21ksoftirqd/222:30:172
15107993025,3cyclictest25-21ksoftirqd/122:10:181
15107993024,4cyclictest25-21ksoftirqd/123:33:301
15107993024,3cyclictest29640-21cpuspeed_turbos19:40:141
15106993025,3cyclictest9-21ksoftirqd/022:35:000
15106993025,3cyclictest9-21ksoftirqd/022:15:000
15106993025,3cyclictest9-21ksoftirqd/022:10:000
15106993025,3cyclictest9-21ksoftirqd/020:10:000
15106993025,3cyclictest9-21ksoftirqd/019:45:160
15106993024,4cyclictest9-21ksoftirqd/019:29:590
15106993024,3cyclictest9-21ksoftirqd/019:35:140
139391300,0ptp4l401ktimersoftd/321:48:353
15109992924,3cyclictest41-21ksoftirqd/323:24:313
15108992924,3cyclictest33-21ksoftirqd/221:25:152
15108992924,3cyclictest33-21ksoftirqd/221:16:532
15108992923,4cyclictest33-21ksoftirqd/223:49:042
15108992923,4cyclictest33-21ksoftirqd/223:49:032
15108992923,4cyclictest33-21ksoftirqd/220:29:022
15106992924,3cyclictest9-21ksoftirqd/023:03:200
15106992924,3cyclictest9-21ksoftirqd/021:25:180
15106992924,3cyclictest9-21ksoftirqd/020:00:270
15106992924,3cyclictest9-21ksoftirqd/019:30:140
15106992923,3cyclictest9-21ksoftirqd/019:15:280
15109992823,3cyclictest41-21ksoftirqd/322:25:453
15109992823,3cyclictest41-21ksoftirqd/321:03:343
15108992823,3cyclictest33-21ksoftirqd/223:06:392
15108992823,3cyclictest33-21ksoftirqd/222:35:102
15108992823,3cyclictest33-21ksoftirqd/219:17:492
15108992822,4cyclictest33-21ksoftirqd/219:43:042
15107992825,2cyclictest25-21ksoftirqd/121:59:591
15107992824,2cyclictest25-21ksoftirqd/121:10:191
15107992823,3cyclictest25-21ksoftirqd/122:55:221
15107992823,3cyclictest25-21ksoftirqd/120:36:311
15107992823,3cyclictest25-21ksoftirqd/120:36:311
15107992822,4cyclictest25-21ksoftirqd/122:26:461
15107992822,4cyclictest25-21ksoftirqd/121:36:441
15107992822,4cyclictest25-21ksoftirqd/121:36:431
15106992823,2cyclictest9-21ksoftirqd/023:05:220
139391280,0ptp4l401ktimersoftd/323:59:093
15109992722,3cyclictest41-21ksoftirqd/322:47:343
15109992721,4cyclictest41-21ksoftirqd/320:37:173
15109992721,4cyclictest41-21ksoftirqd/320:37:173
15108992724,2cyclictest33-21ksoftirqd/223:45:002
15108992722,3cyclictest33-21ksoftirqd/223:01:402
15109992621,3cyclictest41-21ksoftirqd/321:33:293
15109992621,3cyclictest41-21ksoftirqd/319:32:533
15108992621,3cyclictest33-21ksoftirqd/221:24:592
15107992622,3cyclictest25-21ksoftirqd/121:50:191
15107992621,3cyclictest25-21ksoftirqd/122:04:481
15109992520,3cyclictest41-21ksoftirqd/320:41:583
15107992519,4cyclictest25-21ksoftirqd/123:51:181
15107992519,4cyclictest25-21ksoftirqd/100:26:001
139391250,0ptp4l401ktimersoftd/322:10:123
139391240,0ptp4l401ktimersoftd/323:10:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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