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2026-04-16 - 09:15
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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 792 highest latencies:
System rackdslot3.osadl.org (updated Thu Apr 16, 2026 00:45:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
139491229164,22phc2sys0-21swapper/319:06:493
168072205172,22sleep20-21swapper/219:05:502
168112201168,22sleep10-21swapper/119:05:531
168052201168,22sleep00-21swapper/019:05:480
171362162125,13sleep30-21swapper/319:10:003
57898690,2rtkit-daemon577-21rtkit-daemon22:10:261
139391560,1ptp4l401ktimersoftd/320:05:533
52662520,2sleep0111rcuc/000:20:180
139391510,1ptp4l391rcuc/319:53:453
223622480,1sleep30-21swapper/323:50:123
17430994537,5cyclictest12170-21dump-pmu-power21:15:011
139391440,1ptp4l401ktimersoftd/321:38:043
139391440,0ptp4l401ktimersoftd/320:38:513
17429994135,3cyclictest9-21ksoftirqd/023:45:000
1742999410,38cyclictest15902-21cron22:30:000
139391410,1ptp4l401ktimersoftd/321:56:473
1742999401,37cyclictest11027-21cron20:05:000
139391400,0ptp4l401ktimersoftd/320:03:453
17431993932,5cyclictest33-21ksoftirqd/220:30:012
17430993932,5cyclictest25-21ksoftirqd/121:27:371
17432993833,3cyclictest41-21ksoftirqd/322:25:003
17431993832,4cyclictest33-21ksoftirqd/221:35:012
17430993833,3cyclictest25-21ksoftirqd/122:50:001
17430993833,3cyclictest25-21ksoftirqd/122:02:121
17432993732,3cyclictest41-21ksoftirqd/321:15:013
17430993732,3cyclictest25-21ksoftirqd/100:05:001
17430993731,4cyclictest25-21ksoftirqd/121:01:491
17429993732,3cyclictest9-21ksoftirqd/022:05:010
17429993732,3cyclictest9-21ksoftirqd/019:39:590
17429993730,4cyclictest9-21ksoftirqd/022:10:010
17432993630,4cyclictest41-21ksoftirqd/322:06:223
17431993631,3cyclictest11820-21fschecks_count22:20:142
17431993630,4cyclictest33-21ksoftirqd/223:26:582
17431993630,4cyclictest33-21ksoftirqd/221:56:192
17430993631,3cyclictest25-21ksoftirqd/123:30:011
17430993630,4cyclictest25-21ksoftirqd/122:27:031
17430993630,4cyclictest25-21ksoftirqd/122:23:381
17430993630,4cyclictest25-21ksoftirqd/121:58:501
17430993630,4cyclictest25-21ksoftirqd/120:31:101
17430993630,4cyclictest25-21ksoftirqd/120:23:501
17430993630,4cyclictest25-21ksoftirqd/100:17:071
17432993530,3cyclictest41-21ksoftirqd/322:58:183
17432993529,4cyclictest41-21ksoftirqd/323:00:113
17432993529,4cyclictest41-21ksoftirqd/323:00:113
17432993529,4cyclictest41-21ksoftirqd/319:43:183
17431993530,3cyclictest33-21ksoftirqd/223:13:132
17431993530,3cyclictest33-21ksoftirqd/220:49:002
17431993530,3cyclictest33-21ksoftirqd/200:25:102
17431993529,4cyclictest33-21ksoftirqd/223:49:312
17431993529,4cyclictest33-21ksoftirqd/222:52:592
17431993529,4cyclictest33-21ksoftirqd/222:07:302
17430993531,2cyclictest25-21ksoftirqd/123:00:011
17430993530,3cyclictest25-21ksoftirqd/123:20:121
17430993530,3cyclictest25-21ksoftirqd/122:05:181
17430993530,3cyclictest25-21ksoftirqd/120:20:001
17430993530,3cyclictest25-21ksoftirqd/120:19:591
17430993530,3cyclictest25-21ksoftirqd/119:30:151
17430993529,4cyclictest25-21ksoftirqd/123:16:241
17430993529,4cyclictest25-21ksoftirqd/122:33:001
17430993529,4cyclictest25-21ksoftirqd/122:33:001
17430993529,4cyclictest25-21ksoftirqd/121:53:581
17430993529,4cyclictest25-21ksoftirqd/121:07:441
17429993530,3cyclictest9-21ksoftirqd/021:45:000
17429993529,4cyclictest9-21ksoftirqd/020:05:530
17429993529,4cyclictest9-21ksoftirqd/019:18:160
17429993529,3cyclictest9-21ksoftirqd/020:00:010
57898340,8rtkit-daemon0-21swapper/119:27:341
17432993428,4cyclictest41-21ksoftirqd/323:41:433
17432993428,4cyclictest41-21ksoftirqd/323:36:333
17432993428,4cyclictest41-21ksoftirqd/323:29:113
17432993428,4cyclictest41-21ksoftirqd/323:10:333
17431993429,3cyclictest33-21ksoftirqd/223:50:572
17431993428,4cyclictest33-21ksoftirqd/220:11:362
17430993429,3cyclictest25-21ksoftirqd/100:13:341
17430993428,4cyclictest25-21ksoftirqd/123:56:161
17430993428,4cyclictest25-21ksoftirqd/123:45:451
17430993428,4cyclictest25-21ksoftirqd/122:38:171
17430993428,4cyclictest25-21ksoftirqd/119:54:421
17429993429,3cyclictest9-21ksoftirqd/021:25:000
17429993429,3cyclictest9-21ksoftirqd/020:40:000
17429993429,3cyclictest9-21ksoftirqd/000:35:190
17429993428,4cyclictest9-21ksoftirqd/022:21:320
17429993428,4cyclictest9-21ksoftirqd/022:16:220
17429993428,4cyclictest9-21ksoftirqd/019:30:000
17429993428,3cyclictest9-21ksoftirqd/020:50:050
139391340,0ptp4l401ktimersoftd/300:05:123
17432993328,3cyclictest41-21ksoftirqd/322:13:573
17432993327,4cyclictest41-21ksoftirqd/323:33:443
17432993327,4cyclictest41-21ksoftirqd/323:33:443
17432993327,4cyclictest41-21ksoftirqd/300:38:263
17431993328,3cyclictest33-21ksoftirqd/221:16:592
17431993328,3cyclictest33-21ksoftirqd/200:36:152
17431993328,3cyclictest33-21ksoftirqd/200:14:582
17431993327,4cyclictest33-21ksoftirqd/223:35:352
17431993327,4cyclictest33-21ksoftirqd/223:22:232
17431993327,4cyclictest33-21ksoftirqd/221:41:302
17431993327,4cyclictest33-21ksoftirqd/220:18:552
17431993327,4cyclictest33-21ksoftirqd/220:18:552
17430993329,2cyclictest25-21ksoftirqd/123:05:181
17430993329,2cyclictest25-21ksoftirqd/120:10:001
17430993328,3cyclictest25-21ksoftirqd/123:13:071
17430993327,4cyclictest25-21ksoftirqd/123:02:171
17430993327,4cyclictest25-21ksoftirqd/123:02:161
17430993327,4cyclictest25-21ksoftirqd/122:52:101
17430993327,4cyclictest25-21ksoftirqd/121:40:461
17430993327,4cyclictest25-21ksoftirqd/121:17:511
17430993327,4cyclictest25-21ksoftirqd/120:25:521
17430993327,4cyclictest25-21ksoftirqd/100:39:241
17430993327,3cyclictest25-21ksoftirqd/119:45:181
17429993329,2cyclictest9-21ksoftirqd/021:49:590
17429993328,3cyclictest9-21ksoftirqd/023:28:150
17429993328,3cyclictest9-21ksoftirqd/020:55:120
17429993327,4cyclictest9-21ksoftirqd/023:37:050
17429993327,4cyclictest9-21ksoftirqd/022:58:540
17429993327,4cyclictest9-21ksoftirqd/022:32:120
17429993327,4cyclictest9-21ksoftirqd/022:32:110
17429993327,4cyclictest9-21ksoftirqd/019:47:440
17429993327,3cyclictest9173-21acpi00:30:130
1742999330,2cyclictest121rcu_preempt21:55:180
139391330,28ptp4l41-21ksoftirqd/321:05:193
17432993227,3cyclictest41-21ksoftirqd/300:33:543
17432993227,3cyclictest41-21ksoftirqd/300:19:233
17432993227,3cyclictest41-21ksoftirqd/300:01:023
17432993226,4cyclictest41-21ksoftirqd/321:52:473
17432993226,4cyclictest41-21ksoftirqd/320:52:373
17432993226,4cyclictest41-21ksoftirqd/320:46:193
17432993226,4cyclictest41-21ksoftirqd/320:40:103
17432993226,4cyclictest41-21ksoftirqd/320:17:203
17432993226,4cyclictest41-21ksoftirqd/320:17:193
17432993226,4cyclictest41-21ksoftirqd/320:11:023
17432993226,4cyclictest41-21ksoftirqd/319:56:463
17432993226,4cyclictest41-21ksoftirqd/300:28:473
17431993226,4cyclictest33-21ksoftirqd/223:55:422
17431993226,4cyclictest33-21ksoftirqd/219:44:332
17431993226,4cyclictest33-21ksoftirqd/200:22:082
17430993227,3cyclictest25-21ksoftirqd/121:37:121
17430993227,3cyclictest25-21ksoftirqd/121:20:181
17430993227,3cyclictest25-21ksoftirqd/120:38:271
17430993227,3cyclictest25-21ksoftirqd/119:43:561
17430993226,4cyclictest25-21ksoftirqd/122:15:361
17430993226,4cyclictest25-21ksoftirqd/120:46:141
17430993226,4cyclictest25-21ksoftirqd/120:41:161
17430993226,4cyclictest25-21ksoftirqd/100:08:441
17429993227,3cyclictest9-21ksoftirqd/023:20:000
17429993227,3cyclictest9-21ksoftirqd/023:14:160
17429993226,4cyclictest9-21ksoftirqd/023:55:360
17429993226,4cyclictest9-21ksoftirqd/021:08:420
17429993226,4cyclictest9-21ksoftirqd/020:26:390
17429993226,3cyclictest9-21ksoftirqd/022:35:190
17429993226,3cyclictest9-21ksoftirqd/020:20:180
139391320,0ptp4l401ktimersoftd/323:06:323
139391320,0ptp4l401ktimersoftd/320:30:233
139391320,0ptp4l401ktimersoftd/300:20:203
139391320,0ptp4l401ktimersoftd/300:10:253
17432993126,3cyclictest41-21ksoftirqd/322:38:523
17432993126,3cyclictest41-21ksoftirqd/319:47:183
17432993125,4cyclictest41-21ksoftirqd/321:49:463
17431993128,2cyclictest16578-21kworker/2:022:40:172
17431993125,4cyclictest33-21ksoftirqd/223:07:122
17431993125,4cyclictest33-21ksoftirqd/223:03:352
17431993125,4cyclictest33-21ksoftirqd/223:03:342
17431993125,4cyclictest33-21ksoftirqd/221:05:012
17431993125,4cyclictest33-21ksoftirqd/219:10:512
17430993126,3cyclictest25-21ksoftirqd/123:40:181
17430993126,3cyclictest25-21ksoftirqd/123:32:291
17430993126,3cyclictest25-21ksoftirqd/123:32:291
17430993125,4cyclictest25-21ksoftirqd/120:57:041
17429993127,3cyclictest9-21ksoftirqd/019:50:170
17429993127,2cyclictest9-21ksoftirqd/023:05:000
17429993127,2cyclictest9-21ksoftirqd/023:05:000
17429993127,2cyclictest9-21ksoftirqd/022:45:010
17429993127,2cyclictest9-21ksoftirqd/019:20:120
17429993126,3cyclictest9-21ksoftirqd/020:45:170
17429993125,4cyclictest9-21ksoftirqd/023:52:500
17429993125,4cyclictest9-21ksoftirqd/020:32:170
17432993025,3cyclictest41-21ksoftirqd/322:31:213
17432993025,3cyclictest41-21ksoftirqd/322:31:213
17432993025,3cyclictest41-21ksoftirqd/321:25:383
17432993025,3cyclictest41-21ksoftirqd/319:35:103
17432993024,4cyclictest41-21ksoftirqd/322:47:153
17431993027,2cyclictest33-21ksoftirqd/200:19:592
17431993025,3cyclictest33-21ksoftirqd/221:27:112
17431993025,3cyclictest33-21ksoftirqd/220:53:302
17431993025,3cyclictest33-21ksoftirqd/220:40:002
17431993025,3cyclictest33-21ksoftirqd/220:31:562
17431993024,4cyclictest33-21ksoftirqd/223:34:582
17431993024,4cyclictest33-21ksoftirqd/223:34:582
17431993024,4cyclictest33-21ksoftirqd/222:15:562
17431993024,4cyclictest33-21ksoftirqd/221:23:422
17431993024,4cyclictest33-21ksoftirqd/220:41:002
17431993024,4cyclictest33-21ksoftirqd/220:24:212
17430993025,3cyclictest25-21ksoftirqd/121:49:391
17430993025,3cyclictest25-21ksoftirqd/119:16:531
17429993025,3cyclictest9-21ksoftirqd/023:49:130
17429993025,3cyclictest9-21ksoftirqd/000:30:000
17429993024,4cyclictest9-21ksoftirqd/023:21:570
17429993024,4cyclictest9-21ksoftirqd/022:08:130
17429993024,4cyclictest9-21ksoftirqd/019:30:310
17429993024,4cyclictest9-21ksoftirqd/000:12:160
17429993024,3cyclictest9-21ksoftirqd/020:40:120
139391300,0ptp4l401ktimersoftd/323:45:123
139391300,0ptp4l401ktimersoftd/322:42:273
139391300,0ptp4l401ktimersoftd/320:25:063
17432992924,3cyclictest41-21ksoftirqd/323:17:113
17432992924,3cyclictest41-21ksoftirqd/321:03:583
17432992924,3cyclictest41-21ksoftirqd/320:56:073
17432992924,3cyclictest41-21ksoftirqd/319:21:283
17432992923,4cyclictest41-21ksoftirqd/321:41:123
17432992923,4cyclictest41-21ksoftirqd/321:34:573
17432992923,4cyclictest41-21ksoftirqd/319:15:213
17431992924,3cyclictest33-21ksoftirqd/223:44:052
17431992924,3cyclictest33-21ksoftirqd/222:25:272
17431992924,3cyclictest33-21ksoftirqd/222:01:422
17431992924,3cyclictest33-21ksoftirqd/219:28:462
17431992924,3cyclictest33-21ksoftirqd/200:01:292
17431992923,4cyclictest33-21ksoftirqd/222:34:222
17431992923,4cyclictest33-21ksoftirqd/222:34:212
17431992923,4cyclictest33-21ksoftirqd/220:57:542
17430992924,3cyclictest25-21ksoftirqd/119:10:101
17430992923,4cyclictest25-21ksoftirqd/120:12:321
17430992923,4cyclictest25-21ksoftirqd/120:01:171
17430992923,3cyclictest25-21ksoftirqd/123:51:121
17429992925,3cyclictest10023-21kworker/0:021:15:200
17429992925,2cyclictest16221-21cstates20:15:140
17429992925,2cyclictest16221-21cstates20:15:140
17429992924,3cyclictest9-21ksoftirqd/023:34:040
17429992924,3cyclictest9-21ksoftirqd/023:34:040
17429992924,3cyclictest9-21ksoftirqd/022:51:280
17429992924,3cyclictest9-21ksoftirqd/000:16:050
139391290,0ptp4l401ktimersoftd/323:20:133
139391290,0ptp4l401ktimersoftd/320:24:563
139391290,0ptp4l401ktimersoftd/319:26:583
17432992823,3cyclictest41-21ksoftirqd/323:58:593
17432992823,3cyclictest41-21ksoftirqd/322:16:503
17431992823,3cyclictest33-21ksoftirqd/222:55:122
17431992823,3cyclictest33-21ksoftirqd/219:31:302
17431992822,4cyclictest33-21ksoftirqd/221:10:292
17431992822,4cyclictest33-21ksoftirqd/219:53:322
17431992822,4cyclictest33-21ksoftirqd/219:36:582
17430992823,3cyclictest25-21ksoftirqd/123:37:191
17430992822,4cyclictest25-21ksoftirqd/100:30:461
17429992824,3cyclictest9-21ksoftirqd/021:10:170
17429992822,4cyclictest9-21ksoftirqd/021:31:020
17429992822,4cyclictest9-21ksoftirqd/021:27:530
17429992822,3cyclictest9-21ksoftirqd/022:47:350
17429992822,3cyclictest9-21ksoftirqd/019:10:180
139391280,0ptp4l401ktimersoftd/322:01:093
139391280,0ptp4l401ktimersoftd/321:22:183
17432992722,3cyclictest41-21ksoftirqd/319:30:513
17431992723,3cyclictest33-21ksoftirqd/222:46:112
17431992721,4cyclictest33-21ksoftirqd/220:06:182
17430992723,2cyclictest25-21ksoftirqd/119:55:161
17430992722,3cyclictest25-21ksoftirqd/119:35:181
17430992722,3cyclictest25-21ksoftirqd/119:22:561
17430992721,4cyclictest25-21ksoftirqd/122:41:381
17430992721,4cyclictest25-21ksoftirqd/121:32:421
17430992721,4cyclictest25-21ksoftirqd/100:26:131
17429992723,2cyclictest9-21ksoftirqd/021:40:010
17429992722,3cyclictest9-21ksoftirqd/021:54:280
17429992722,3cyclictest9-21ksoftirqd/020:12:540
17429992722,3cyclictest9-21ksoftirqd/000:09:410
17429992722,3cyclictest9-21ksoftirqd/000:04:420
17429992721,4cyclictest9-21ksoftirqd/023:09:060
17432992621,3cyclictest41-21ksoftirqd/322:51:413
17432992621,3cyclictest41-21ksoftirqd/321:19:083
17431992620,4cyclictest33-21ksoftirqd/222:14:122
17431992620,4cyclictest33-21ksoftirqd/221:47:482
17430992622,2cyclictest25-21ksoftirqd/100:20:191
17429992619,5cyclictest9-21ksoftirqd/019:44:540
17431992520,3cyclictest33-21ksoftirqd/221:06:572
17431992519,4cyclictest33-21ksoftirqd/219:24:272
139391250,0ptp4l401ktimersoftd/322:25:233
17431992419,3cyclictest33-21ksoftirqd/223:18:432
17431992419,3cyclictest33-21ksoftirqd/222:35:112
17431992419,3cyclictest33-21ksoftirqd/219:19:452
17431992419,3cyclictest33-21ksoftirqd/200:31:202
17431992418,4cyclictest33-21ksoftirqd/220:03:102
17431992418,4cyclictest33-21ksoftirqd/219:59:132
17431992418,4cyclictest33-21ksoftirqd/200:07:562
17431992318,3cyclictest33-21ksoftirqd/221:54:592
17431992318,3cyclictest33-21ksoftirqd/221:37:202
17429992318,3cyclictest9-21ksoftirqd/021:05:010
17430992215,5cyclictest25-21ksoftirqd/120:50:141
1743199212,17cyclictest20013-21kworker/2:219:48:542
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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