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2026-05-04 - 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 376 highest latencies:
System rackdslot3.osadl.org (updated Mon May 04, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
133952206173,22sleep30-21swapper/319:09:343
133952206173,22sleep30-21swapper/319:09:343
133322203169,23sleep20-21swapper/219:08:462
133322203169,23sleep20-21swapper/219:08:462
133002202168,22sleep00-21swapper/019:08:190
133002202168,22sleep00-21swapper/019:08:190
132742202170,20sleep10-21swapper/119:07:591
132742202170,20sleep10-21swapper/119:07:591
139391540,1ptp4l401ktimersoftd/323:16:033
1394915336,10phc2sys0-21swapper/319:10:003
65532500,2sleep30-21swapper/323:25:153
89792470,3sleep28982-21idleruntime23:30:162
13724994627,8cyclictest41-21ksoftirqd/320:00:163
139391430,0ptp4l401ktimersoftd/321:29:513
139391430,0ptp4l401ktimersoftd/319:19:173
13721994327,5cyclictest9-21ksoftirqd/020:50:190
139391420,0ptp4l401ktimersoftd/322:03:133
139391420,0ptp4l401ktimersoftd/320:30:053
139391420,0ptp4l401ktimersoftd/300:22:163
139391410,0ptp4l401ktimersoftd/322:00:003
139391400,0ptp4l401ktimersoftd/321:45:133
13723994019,19cyclictest33-21ksoftirqd/221:50:002
13721994034,4cyclictest8468-21sh21:15:000
13723993833,3cyclictest22944-21sh21:45:002
13722993830,5cyclictest25-21ksoftirqd/100:30:001
139391370,0ptp4l401ktimersoftd/322:16:563
139391370,0ptp4l401ktimersoftd/300:25:273
13722993732,2cyclictest17039-21sh20:24:591
13724993630,4cyclictest41-21ksoftirqd/319:48:133
13724993629,4cyclictest41-21ksoftirqd/321:45:003
1372399364,3cyclictest121rcu_preempt20:00:162
13723993630,4cyclictest33-21ksoftirqd/223:07:162
13723993630,4cyclictest33-21ksoftirqd/221:20:342
13723993630,4cyclictest33-21ksoftirqd/200:31:292
13723993630,4cyclictest33-21ksoftirqd/200:31:292
13722993631,3cyclictest25-21ksoftirqd/119:50:121
13722993630,4cyclictest25-21ksoftirqd/123:12:461
13721993631,3cyclictest9-21ksoftirqd/022:03:590
13721993630,4cyclictest9-21ksoftirqd/023:30:010
13721993630,4cyclictest9-21ksoftirqd/000:19:240
13724993529,4cyclictest41-21ksoftirqd/323:55:113
13724993529,4cyclictest41-21ksoftirqd/320:48:263
13724993529,4cyclictest41-21ksoftirqd/320:18:333
13724993529,4cyclictest41-21ksoftirqd/319:55:463
13723993530,3cyclictest33-21ksoftirqd/220:42:592
13723993530,3cyclictest33-21ksoftirqd/200:30:002
13723993529,4cyclictest33-21ksoftirqd/222:28:382
13723993529,4cyclictest33-21ksoftirqd/220:32:212
13723993529,4cyclictest33-21ksoftirqd/220:15:592
13723993529,4cyclictest33-21ksoftirqd/219:56:182
13723993529,4cyclictest33-21ksoftirqd/219:48:432
13723993529,4cyclictest33-21ksoftirqd/219:15:472
13723993528,5cyclictest33-21ksoftirqd/223:50:002
13723993521,5cyclictest33-21ksoftirqd/220:39:112
13722993530,3cyclictest25-21ksoftirqd/121:57:181
13722993530,3cyclictest25-21ksoftirqd/119:15:111
13722993529,4cyclictest25-21ksoftirqd/122:11:481
13722993529,4cyclictest25-21ksoftirqd/120:47:481
13722993529,4cyclictest25-21ksoftirqd/100:06:051
13722993528,4cyclictest25-21ksoftirqd/100:22:451
13722993527,5cyclictest25-21ksoftirqd/119:50:011
13721993529,4cyclictest9-21ksoftirqd/021:20:280
13721993529,4cyclictest9-21ksoftirqd/020:32:140
13721993529,4cyclictest9-21ksoftirqd/019:14:240
13721993520,5cyclictest9-21ksoftirqd/000:02:190
13724993429,3cyclictest41-21ksoftirqd/323:14:203
13724993428,4cyclictest41-21ksoftirqd/323:04:413
13724993428,4cyclictest41-21ksoftirqd/321:53:533
13723993429,3cyclictest33-21ksoftirqd/223:30:002
13723993428,4cyclictest33-21ksoftirqd/222:46:552
13723993428,4cyclictest33-21ksoftirqd/221:08:472
13723993428,4cyclictest33-21ksoftirqd/220:21:372
13722993429,3cyclictest25-21ksoftirqd/122:25:101
13722993428,4cyclictest25-21ksoftirqd/123:43:021
13722993428,4cyclictest25-21ksoftirqd/123:02:231
13722993428,4cyclictest25-21ksoftirqd/121:42:131
13722993428,4cyclictest25-21ksoftirqd/121:04:121
13722993428,4cyclictest25-21ksoftirqd/120:18:231
13722993428,4cyclictest25-21ksoftirqd/120:00:021
13722993428,4cyclictest25-21ksoftirqd/119:29:131
13722993428,3cyclictest25-21ksoftirqd/100:30:111
13722993428,3cyclictest25-21ksoftirqd/100:30:111
13721993429,3cyclictest9-21ksoftirqd/022:15:000
13721993428,4cyclictest9-21ksoftirqd/020:36:520
13721993428,4cyclictest9-21ksoftirqd/019:26:240
13721993428,4cyclictest9-21ksoftirqd/019:16:290
13721993428,4cyclictest9-21ksoftirqd/000:09:010
13724993328,3cyclictest41-21ksoftirqd/323:23:473
13724993328,3cyclictest41-21ksoftirqd/319:21:083
13724993328,3cyclictest41-21ksoftirqd/300:08:433
13724993327,4cyclictest41-21ksoftirqd/323:37:273
13724993327,4cyclictest41-21ksoftirqd/322:25:543
13724993327,4cyclictest41-21ksoftirqd/322:12:103
13724993327,4cyclictest41-21ksoftirqd/300:31:343
13724993327,4cyclictest41-21ksoftirqd/300:31:343
13723993328,3cyclictest33-21ksoftirqd/223:04:102
13723993327,4cyclictest33-21ksoftirqd/223:12:542
13723993327,4cyclictest33-21ksoftirqd/220:51:342
13723993327,4cyclictest33-21ksoftirqd/220:46:522
13723993327,4cyclictest33-21ksoftirqd/219:29:022
13723993327,4cyclictest12310-21sort20:15:002
13722993328,3cyclictest25-21ksoftirqd/123:35:121
13722993328,3cyclictest25-21ksoftirqd/122:09:101
13722993328,3cyclictest25-21ksoftirqd/120:55:141
13722993328,3cyclictest25-21ksoftirqd/120:30:181
13722993327,4cyclictest25-21ksoftirqd/123:16:271
13722993327,4cyclictest25-21ksoftirqd/122:23:591
13722993327,4cyclictest25-21ksoftirqd/121:19:341
13722993327,4cyclictest25-21ksoftirqd/119:23:431
13722993326,5cyclictest25-21ksoftirqd/123:27:061
1372299332,2cyclictest121rcu_preempt20:27:411
13721993328,3cyclictest9-21ksoftirqd/019:50:000
13721993328,3cyclictest9-21ksoftirqd/000:36:200
13721993327,4cyclictest9-21ksoftirqd/023:55:530
13721993327,4cyclictest9-21ksoftirqd/023:34:380
13721993327,4cyclictest9-21ksoftirqd/021:58:110
13721993327,4cyclictest9-21ksoftirqd/021:02:030
13721993327,4cyclictest9-21ksoftirqd/019:23:390
13721993327,4cyclictest9-21ksoftirqd/000:30:590
13721993327,4cyclictest9-21ksoftirqd/000:30:580
139391320,0ptp4l401ktimersoftd/322:45:193
13724993229,1cyclictest139391ptp4l20:20:433
13724993227,3cyclictest41-21ksoftirqd/321:32:513
13724993226,4cyclictest8473-21turbostat21:15:003
13724993226,4cyclictest41-21ksoftirqd/323:06:023
13724993226,4cyclictest41-21ksoftirqd/319:38:133
13724993226,4cyclictest41-21ksoftirqd/319:25:103
13723993227,3cyclictest33-21ksoftirqd/222:04:432
13723993226,4cyclictest33-21ksoftirqd/223:52:182
13723993226,4cyclictest33-21ksoftirqd/222:54:452
13723993226,4cyclictest33-21ksoftirqd/220:56:432
13723993226,4cyclictest33-21ksoftirqd/219:52:322
13723993226,4cyclictest33-21ksoftirqd/219:23:212
13723993226,4cyclictest33-21ksoftirqd/200:20:062
13723993226,3cyclictest3444-21sh23:20:002
13722993227,3cyclictest25-21ksoftirqd/123:53:101
13722993227,3cyclictest25-21ksoftirqd/122:56:351
13722993227,3cyclictest25-21ksoftirqd/120:15:001
13722993226,4cyclictest25-21ksoftirqd/122:42:011
13722993226,4cyclictest25-21ksoftirqd/122:19:261
13722993226,4cyclictest25-21ksoftirqd/121:52:181
13722993226,4cyclictest25-21ksoftirqd/121:30:481
13722993226,4cyclictest25-21ksoftirqd/119:34:301
13722993226,4cyclictest25-21ksoftirqd/100:18:321
13721993227,3cyclictest9-21ksoftirqd/022:58:090
13721993227,3cyclictest9-21ksoftirqd/022:35:000
13721993226,4cyclictest9-21ksoftirqd/022:54:150
13721993226,4cyclictest9-21ksoftirqd/022:08:100
13721993226,4cyclictest9-21ksoftirqd/020:03:220
139391310,0ptp4l401ktimersoftd/323:45:173
139391310,0ptp4l401ktimersoftd/323:31:403
13724993126,3cyclictest41-21ksoftirqd/321:37:103
13724993126,3cyclictest41-21ksoftirqd/300:14:413
13724993125,4cyclictest41-21ksoftirqd/323:51:023
13724993125,4cyclictest41-21ksoftirqd/321:19:203
13724993125,4cyclictest41-21ksoftirqd/320:42:323
13724993125,4cyclictest41-21ksoftirqd/320:27:203
13724993125,4cyclictest41-21ksoftirqd/320:05:433
13724993125,4cyclictest41-21ksoftirqd/319:52:143
13724993125,4cyclictest41-21ksoftirqd/319:31:193
13724993124,5cyclictest41-21ksoftirqd/300:16:213
13723993127,3cyclictest33-21ksoftirqd/200:08:432
13723993125,4cyclictest33-21ksoftirqd/223:22:542
13723993125,4cyclictest33-21ksoftirqd/222:57:462
13722993126,3cyclictest25-21ksoftirqd/119:10:111
13722993125,4cyclictest25-21ksoftirqd/122:45:421
13722993125,4cyclictest25-21ksoftirqd/122:34:261
13722993125,4cyclictest25-21ksoftirqd/121:05:051
13722993124,5cyclictest25-21ksoftirqd/120:39:571
13721993126,3cyclictest9-21ksoftirqd/023:22:150
13721993126,3cyclictest9-21ksoftirqd/022:46:490
13721993126,3cyclictest9-21ksoftirqd/020:16:420
13721993126,3cyclictest9-21ksoftirqd/019:50:420
13721993126,3cyclictest9-21ksoftirqd/000:12:460
13721993125,4cyclictest9-21ksoftirqd/021:47:320
13721993125,4cyclictest9-21ksoftirqd/021:15:310
139391300,0ptp4l401ktimersoftd/323:40:483
13724993025,3cyclictest41-21ksoftirqd/321:24:223
13724993025,3cyclictest41-21ksoftirqd/321:07:363
13724993025,3cyclictest41-21ksoftirqd/321:01:513
13724993025,3cyclictest41-21ksoftirqd/300:03:503
13724993024,4cyclictest41-21ksoftirqd/322:50:593
13724993024,4cyclictest41-21ksoftirqd/322:07:573
13724993024,4cyclictest41-21ksoftirqd/319:43:433
13723993025,3cyclictest33-21ksoftirqd/220:07:102
13723993025,3cyclictest33-21ksoftirqd/200:17:272
13723993025,3cyclictest10861-21ls21:20:002
13723993024,4cyclictest33-21ksoftirqd/221:35:302
13723993024,4cyclictest33-21ksoftirqd/221:10:112
13723993024,4cyclictest33-21ksoftirqd/220:29:152
13722993025,3cyclictest25-21ksoftirqd/123:24:331
13722993025,3cyclictest25-21ksoftirqd/120:41:061
13722993024,4cyclictest25-21ksoftirqd/121:46:291
13722993024,4cyclictest25-21ksoftirqd/121:12:591
13722993024,4cyclictest25-21ksoftirqd/100:00:341
13721993025,3cyclictest9-21ksoftirqd/023:02:320
13721993025,3cyclictest9-21ksoftirqd/022:36:380
13721993025,3cyclictest9-21ksoftirqd/021:44:310
13721993025,3cyclictest9-21ksoftirqd/021:31:510
13721993025,3cyclictest9-21ksoftirqd/020:59:540
13721993024,4cyclictest9-21ksoftirqd/023:17:500
13721993024,4cyclictest9-21ksoftirqd/023:12:560
13721993024,4cyclictest9-21ksoftirqd/022:17:170
13721993024,4cyclictest9-21ksoftirqd/020:49:430
13721993024,4cyclictest9-21ksoftirqd/020:13:120
13721993024,4cyclictest9-21ksoftirqd/019:36:540
139391290,0ptp4l401ktimersoftd/322:58:563
139391290,0ptp4l401ktimersoftd/320:54:033
139391290,0ptp4l401ktimersoftd/320:14:093
139391290,0ptp4l401ktimersoftd/300:37:363
13724992923,4cyclictest41-21ksoftirqd/320:57:363
13724992923,4cyclictest41-21ksoftirqd/320:37:553
13723992924,3cyclictest33-21ksoftirqd/223:40:002
13723992924,3cyclictest33-21ksoftirqd/222:05:032
13723992923,4cyclictest33-21ksoftirqd/219:33:032
13723992923,4cyclictest33-21ksoftirqd/219:11:542
13723992922,5cyclictest33-21ksoftirqd/222:24:002
13722992924,3cyclictest25-21ksoftirqd/122:00:331
13722992924,3cyclictest25-21ksoftirqd/121:20:421
13722992923,4cyclictest25-21ksoftirqd/123:56:451
13722992923,4cyclictest25-21ksoftirqd/121:25:341
13722992923,4cyclictest25-21ksoftirqd/120:52:091
13722992923,4cyclictest25-21ksoftirqd/120:05:511
13721992924,3cyclictest9-21ksoftirqd/023:48:270
13721992923,4cyclictest9-21ksoftirqd/021:51:490
13721992923,4cyclictest9-21ksoftirqd/019:57:240
13721992923,4cyclictest9-21ksoftirqd/000:25:420
13721992923,3cyclictest9-21ksoftirqd/020:07:380
13724992823,3cyclictest41-21ksoftirqd/322:31:253
13724992822,4cyclictest41-21ksoftirqd/322:38:063
13724992822,4cyclictest41-21ksoftirqd/322:22:413
13723992823,3cyclictest33-21ksoftirqd/223:41:232
13723992823,3cyclictest33-21ksoftirqd/222:40:582
13723992822,4cyclictest33-21ksoftirqd/221:54:122
13723992822,4cyclictest33-21ksoftirqd/200:36:302
13722992824,3cyclictest25-21ksoftirqd/119:55:121
13722992822,4cyclictest25-21ksoftirqd/119:43:171
13722992822,4cyclictest25-21ksoftirqd/119:36:511
13721992823,4cyclictest9-21ksoftirqd/022:43:100
13721992823,3cyclictest9-21ksoftirqd/023:07:110
13721992823,3cyclictest9-21ksoftirqd/020:28:250
13721992823,3cyclictest9-21ksoftirqd/019:34:570
13721992822,4cyclictest9-21ksoftirqd/023:50:320
13723992722,3cyclictest33-21ksoftirqd/223:58:522
13723992722,3cyclictest33-21ksoftirqd/222:33:432
13723992721,4cyclictest33-21ksoftirqd/222:19:272
13723992721,4cyclictest33-21ksoftirqd/219:42:052
13721992723,3cyclictest9-21ksoftirqd/020:24:560
13721992722,3cyclictest9-21ksoftirqd/021:29:150
13721992721,4cyclictest9-21ksoftirqd/020:43:580
13721992721,4cyclictest9-21ksoftirqd/000:24:490
13723992622,3cyclictest33-21ksoftirqd/200:10:172
13723992620,4cyclictest33-21ksoftirqd/221:30:092
13723992619,5cyclictest33-21ksoftirqd/219:35:522
13722992621,3cyclictest25-21ksoftirqd/123:05:201
13722992620,4cyclictest25-21ksoftirqd/100:38:141
13721992620,4cyclictest9-21ksoftirqd/021:37:170
139391250,0ptp4l401ktimersoftd/322:43:593
13723992520,3cyclictest33-21ksoftirqd/222:10:452
13723992519,4cyclictest33-21ksoftirqd/200:01:372
13722992520,3cyclictest25-21ksoftirqd/100:13:291
13722992519,4cyclictest25-21ksoftirqd/121:39:471
13721992520,3cyclictest9-21ksoftirqd/023:40:070
13721992520,3cyclictest9-21ksoftirqd/022:26:570
13721992520,3cyclictest9-21ksoftirqd/019:42:560
1372399243,18cyclictest3740-21latency_hist21:05:002
13723992420,3cyclictest33-21ksoftirqd/222:35:202
13723992418,4cyclictest33-21ksoftirqd/221:56:492
13722992419,3cyclictest25-21ksoftirqd/123:34:151
13721992419,3cyclictest9-21ksoftirqd/022:20:090
13722992318,3cyclictest25-21ksoftirqd/123:45:211
13722992318,3cyclictest25-21ksoftirqd/122:53:301
13722992216,4cyclictest25-21ksoftirqd/122:35:591
13723992116,3cyclictest33-21ksoftirqd/221:25:142
13721992116,3cyclictest9-21ksoftirqd/023:35:300
13721991712,3cyclictest3976-21acpi21:05:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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