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2026-06-05 - 10:22
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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 all highest latencies:
System rackdslot2.osadl.org (updated Fri Jun 05, 2026 00:45:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278642234168,22sleep00-21swapper/019:08:180
278642234168,22sleep00-21swapper/019:08:180
139591219171,37phc2sys0-21swapper/319:05:593
139591219171,37phc2sys0-21swapper/319:05:593
279342208141,22sleep20-21swapper/219:09:122
279342208141,22sleep20-21swapper/219:09:122
277402203169,23sleep10-21swapper/119:06:421
277402203169,23sleep10-21swapper/119:06:421
28292998333,6cyclictest41-21ksoftirqd/300:05:263
28292996536,13cyclictest41-21ksoftirqd/320:15:233
28292996440,2cyclictest41-21ksoftirqd/319:40:263
28292996332,7cyclictest41-21ksoftirqd/319:55:003
28292996330,6cyclictest41-21ksoftirqd/323:35:013
28292996130,4cyclictest41-21ksoftirqd/300:25:243
28292996126,4cyclictest41-21ksoftirqd/319:35:163
28292996126,4cyclictest41-21ksoftirqd/319:35:163
28292996124,7cyclictest41-21ksoftirqd/322:20:013
28290996157,2cyclictest25-21ksoftirqd/120:50:001
28292996028,4cyclictest41-21ksoftirqd/322:45:003
28292995927,6cyclictest41-21ksoftirqd/300:35:143
254952590,4sleep125-21ksoftirqd/122:25:201
28292995824,4cyclictest41-21ksoftirqd/300:30:153
28292995822,8cyclictest41-21ksoftirqd/323:50:013
220682580,1sleep122069-21awk21:10:221
28292995724,4cyclictest41-21ksoftirqd/319:30:123
28292995722,8cyclictest41-21ksoftirqd/320:25:013
28292995627,6cyclictest41-21ksoftirqd/319:15:013
28292995627,4cyclictest41-21ksoftirqd/320:05:233
28292995624,4cyclictest41-21ksoftirqd/321:50:263
28292995624,3cyclictest41-21ksoftirqd/320:30:153
139291560,1ptp4l401ktimersoftd/320:03:043
28292995528,6cyclictest41-21ksoftirqd/322:45:143
28292995528,6cyclictest41-21ksoftirqd/322:45:143
28292995522,4cyclictest41-21ksoftirqd/321:40:133
28292995516,4cyclictest41-21ksoftirqd/319:50:013
28292995511,4cyclictest41-21ksoftirqd/323:57:043
28292995426,6cyclictest41-21ksoftirqd/319:20:193
28292995424,7cyclictest41-21ksoftirqd/323:04:593
28292995424,6cyclictest41-21ksoftirqd/322:40:003
28292995424,4cyclictest41-21ksoftirqd/323:10:153
28292995421,4cyclictest41-21ksoftirqd/323:43:423
28292995420,3cyclictest41-21ksoftirqd/320:50:203
28292995419,3cyclictest41-21ksoftirqd/300:12:363
28292995417,7cyclictest41-21ksoftirqd/319:25:243
28292995340,3cyclictest41-21ksoftirqd/300:25:013
28292995327,6cyclictest41-21ksoftirqd/321:35:003
28292995327,6cyclictest41-21ksoftirqd/321:25:153
28292995324,6cyclictest41-21ksoftirqd/321:10:193
28292995322,7cyclictest41-21ksoftirqd/323:25:233
28292995322,4cyclictest41-21ksoftirqd/320:30:013
28292995321,4cyclictest41-21ksoftirqd/323:50:203
94412520,1sleep0101ktimersoftd/019:35:250
94412520,1sleep0101ktimersoftd/019:35:250
28292995224,6cyclictest41-21ksoftirqd/321:55:263
28292995219,8cyclictest41-21ksoftirqd/323:36:403
28292995219,7cyclictest41-21ksoftirqd/322:55:253
28292995218,8cyclictest41-21ksoftirqd/322:50:263
28292995217,4cyclictest41-21ksoftirqd/322:25:273
28292995213,4cyclictest41-21ksoftirqd/320:55:063
28292995118,3cyclictest41-21ksoftirqd/321:00:203
2829299509,7cyclictest41-21ksoftirqd/322:00:213
28292995024,7cyclictest41-21ksoftirqd/323:20:183
28292995019,6cyclictest41-21ksoftirqd/320:35:153
28292995015,4cyclictest41-21ksoftirqd/321:45:193
28292995012,4cyclictest41-21ksoftirqd/322:33:553
28292995012,4cyclictest41-21ksoftirqd/321:08:183
28292995011,4cyclictest41-21ksoftirqd/319:17:453
2829099504,43cyclictest1-21systemd20:01:221
2829299497,6cyclictest41-21ksoftirqd/300:15:173
28292994923,6cyclictest41-21ksoftirqd/322:20:273
28292994914,7cyclictest41-21ksoftirqd/323:05:253
28292994912,4cyclictest41-21ksoftirqd/321:16:173
28292994815,7cyclictest41-21ksoftirqd/320:10:123
28292994813,4cyclictest41-21ksoftirqd/322:09:403
28292994810,4cyclictest41-21ksoftirqd/322:13:463
28292994712,3cyclictest41-21ksoftirqd/321:20:193
28292994710,4cyclictest41-21ksoftirqd/319:59:213
2829299468,10cyclictest41-21ksoftirqd/320:43:273
2829299453,2cyclictest41-21ksoftirqd/323:15:203
2829299453,2cyclictest41-21ksoftirqd/323:15:203
2829299453,2cyclictest41-21ksoftirqd/300:00:223
28289994438,3cyclictest9-21ksoftirqd/021:00:000
28292994310,3cyclictest41-21ksoftirqd/321:37:513
2829099424,3cyclictest121rcu_preempt19:35:391
2829099424,3cyclictest121rcu_preempt19:35:391
28290994136,3cyclictest25-21ksoftirqd/123:50:011
28290994135,3cyclictest7293-21dump-pmu-power00:05:011
28289994136,3cyclictest9-21ksoftirqd/020:20:000
28289994135,3cyclictest9-21ksoftirqd/023:30:010
2829299404,2cyclictest121rcu_preempt20:45:173
28289994035,3cyclictest9-21ksoftirqd/023:00:010
28290993934,3cyclictest12912-21df_abs22:00:151
28290993932,4cyclictest25-21ksoftirqd/121:26:111
41298380,6rtkit-daemon0-21swapper/119:20:111
28291993833,3cyclictest33-21ksoftirqd/222:35:242
28291993831,4cyclictest8749-21cron23:00:012
28290993833,3cyclictest25-21ksoftirqd/123:45:001
28290993833,3cyclictest25-21ksoftirqd/121:55:191
28290993832,3cyclictest25-21ksoftirqd/120:15:001
28290993832,3cyclictest25-21ksoftirqd/119:35:001
28291993732,3cyclictest33-21ksoftirqd/223:39:592
28291993732,3cyclictest33-21ksoftirqd/219:51:222
2829199370,2cyclictest121rcu_preempt20:50:182
28290993733,3cyclictest25-21ksoftirqd/123:20:011
28290993733,3cyclictest25-21ksoftirqd/123:20:001
28290993732,3cyclictest25-21ksoftirqd/123:55:011
28290993732,3cyclictest25-21ksoftirqd/120:54:591
28290993731,4cyclictest25-21ksoftirqd/100:12:111
28290993731,3cyclictest25-21ksoftirqd/121:45:001
28290993731,3cyclictest25-21ksoftirqd/120:30:191
28289993731,3cyclictest9-21ksoftirqd/023:05:190
28291993632,2cyclictest311rcuc/219:45:182
28291993631,3cyclictest33-21ksoftirqd/222:25:072
28291993631,3cyclictest33-21ksoftirqd/220:29:342
28291993630,4cyclictest33-21ksoftirqd/223:08:052
28291993630,4cyclictest33-21ksoftirqd/200:31:012
28291993630,4cyclictest33-21ksoftirqd/200:27:122
28291993630,4cyclictest33-21ksoftirqd/200:20:582
28290993632,2cyclictest25-21ksoftirqd/120:40:011
28290993631,3cyclictest25-21ksoftirqd/123:30:191
28290993631,3cyclictest25-21ksoftirqd/123:04:591
28290993631,3cyclictest25-21ksoftirqd/120:20:131
28290993631,3cyclictest25-21ksoftirqd/100:20:011
28290993631,3cyclictest25-21ksoftirqd/100:19:011
28290993630,4cyclictest25-21ksoftirqd/121:54:261
28290993630,4cyclictest25-21ksoftirqd/121:04:151
28290993630,4cyclictest25-21ksoftirqd/119:44:251
28290993624,4cyclictest25-21ksoftirqd/121:15:171
2828999369,3cyclictest9-21ksoftirqd/000:05:250
28289993631,3cyclictest9-21ksoftirqd/022:25:190
28289993631,3cyclictest9-21ksoftirqd/019:20:110
28289993631,3cyclictest9-21ksoftirqd/000:10:170
28289993630,4cyclictest9-21ksoftirqd/022:40:590
28289993630,4cyclictest9-21ksoftirqd/021:52:050
28289993630,4cyclictest9-21ksoftirqd/020:48:510
28289993630,4cyclictest9-21ksoftirqd/020:30:280
28289993630,4cyclictest9-21ksoftirqd/019:31:560
28289993629,4cyclictest9-21ksoftirqd/000:02:260
28291993530,3cyclictest33-21ksoftirqd/222:32:262
28291993530,3cyclictest33-21ksoftirqd/221:12:042
28291993530,3cyclictest33-21ksoftirqd/221:05:222
28291993529,4cyclictest33-21ksoftirqd/223:34:122
28291993529,4cyclictest33-21ksoftirqd/222:47:192
28291993529,4cyclictest33-21ksoftirqd/222:47:192
28291993529,4cyclictest33-21ksoftirqd/222:05:002
28291993529,4cyclictest33-21ksoftirqd/220:34:192
28290993532,2cyclictest25-21ksoftirqd/122:25:011
28290993531,3cyclictest25-21ksoftirqd/120:15:171
28290993531,3cyclictest25-21ksoftirqd/119:30:001
28290993530,3cyclictest25-21ksoftirqd/123:25:001
28290993530,3cyclictest25-21ksoftirqd/122:51:431
28290993530,3cyclictest25-21ksoftirqd/122:30:171
28290993529,4cyclictest25-21ksoftirqd/122:19:461
28290993529,4cyclictest25-21ksoftirqd/121:09:261
28290993529,4cyclictest25-21ksoftirqd/100:30:281
28290993528,4cyclictest25-21ksoftirqd/120:26:331
28289993529,4cyclictest9-21ksoftirqd/022:02:320
28289993529,4cyclictest9-21ksoftirqd/000:30:350
28289993529,3cyclictest9-21ksoftirqd/022:10:000
28289993529,3cyclictest9-21ksoftirqd/021:05:000
28289993528,4cyclictest9-21ksoftirqd/021:58:150
28289993528,4cyclictest9-21ksoftirqd/021:45:030
28289993527,5cyclictest9-21ksoftirqd/021:05:030
28291993430,3cyclictest33-21ksoftirqd/223:22:272
28291993429,3cyclictest33-21ksoftirqd/223:13:232
28291993429,3cyclictest33-21ksoftirqd/222:43:182
28291993429,3cyclictest33-21ksoftirqd/222:20:002
28291993429,3cyclictest33-21ksoftirqd/222:08:042
28291993429,3cyclictest33-21ksoftirqd/219:59:022
28291993428,4cyclictest33-21ksoftirqd/220:48:372
28291993428,4cyclictest33-21ksoftirqd/200:11:452
28290993430,3cyclictest25-21ksoftirqd/100:25:151
28290993429,3cyclictest25-21ksoftirqd/122:40:001
28290993429,3cyclictest25-21ksoftirqd/100:40:001
28290993428,4cyclictest25-21ksoftirqd/123:40:001
28290993428,4cyclictest25-21ksoftirqd/122:59:371
28290993428,4cyclictest25-21ksoftirqd/122:08:351
28290993428,4cyclictest25-21ksoftirqd/121:30:121
28290993428,3cyclictest25-21ksoftirqd/119:50:011
28290993427,4cyclictest25-21ksoftirqd/121:20:091
28289993429,3cyclictest9-21ksoftirqd/021:10:110
28289993429,3cyclictest9-21ksoftirqd/000:40:000
28289993428,4cyclictest9-21ksoftirqd/023:49:510
28289993428,4cyclictest9-21ksoftirqd/023:34:360
28289993428,4cyclictest9-21ksoftirqd/020:53:040
28289993428,4cyclictest9-21ksoftirqd/020:03:330
28289993428,4cyclictest9-21ksoftirqd/000:29:180
28289993428,4cyclictest9-21ksoftirqd/000:23:400
28289993428,3cyclictest9-21ksoftirqd/022:20:190
28289993427,5cyclictest9-21ksoftirqd/023:13:170
28291993328,3cyclictest33-21ksoftirqd/223:51:512
28291993328,3cyclictest33-21ksoftirqd/222:21:332
28291993328,3cyclictest33-21ksoftirqd/221:32:032
28291993328,3cyclictest33-21ksoftirqd/220:20:382
28291993327,4cyclictest33-21ksoftirqd/223:49:532
28291993327,4cyclictest33-21ksoftirqd/223:27:152
28291993327,4cyclictest33-21ksoftirqd/221:25:382
28291993327,4cyclictest33-21ksoftirqd/221:01:482
28291993327,4cyclictest33-21ksoftirqd/220:44:072
28291993327,4cyclictest33-21ksoftirqd/200:39:592
28291993327,4cyclictest33-21ksoftirqd/200:09:542
28290993329,2cyclictest25-21ksoftirqd/119:20:001
28290993328,3cyclictest25-21ksoftirqd/123:30:001
28290993328,3cyclictest25-21ksoftirqd/120:45:011
28290993327,4cyclictest25-21ksoftirqd/123:08:321
28290993327,4cyclictest25-21ksoftirqd/121:36:221
28290993327,3cyclictest25-21ksoftirqd/119:10:151
28290993327,3cyclictest25-21ksoftirqd/100:10:011
28289993328,3cyclictest9-21ksoftirqd/022:35:180
28289993328,3cyclictest9-21ksoftirqd/021:35:190
28289993328,3cyclictest9-21ksoftirqd/000:15:190
28289993327,4cyclictest9-21ksoftirqd/023:55:480
28289993327,4cyclictest9-21ksoftirqd/023:02:460
28289993327,4cyclictest9-21ksoftirqd/022:48:460
28289993327,4cyclictest9-21ksoftirqd/022:48:460
28289993327,4cyclictest9-21ksoftirqd/020:41:000
28289993327,4cyclictest9-21ksoftirqd/019:52:380
28289993327,3cyclictest9-21ksoftirqd/019:19:080
28291993228,2cyclictest33-21ksoftirqd/220:00:122
28291993227,3cyclictest33-21ksoftirqd/221:57:252
28291993227,3cyclictest33-21ksoftirqd/221:20:002
28291993227,3cyclictest33-21ksoftirqd/220:55:092
28291993227,3cyclictest33-21ksoftirqd/220:37:212
28291993227,3cyclictest33-21ksoftirqd/219:30:562
28291993226,4cyclictest33-21ksoftirqd/223:02:202
28291993226,4cyclictest33-21ksoftirqd/219:10:122
28290993228,2cyclictest25-21ksoftirqd/122:45:131
28290993228,2cyclictest25-21ksoftirqd/122:45:131
28290993227,3cyclictest25-21ksoftirqd/120:05:261
28290993226,4cyclictest25-21ksoftirqd/122:40:191
28290993226,4cyclictest25-21ksoftirqd/120:56:371
28290993226,3cyclictest25-21ksoftirqd/100:00:011
28289993227,3cyclictest9-21ksoftirqd/021:30:190
28289993227,3cyclictest9-21ksoftirqd/020:20:110
28289993227,3cyclictest9-21ksoftirqd/020:06:540
28289993227,3cyclictest30319-21apt-key21:30:000
28289993226,4cyclictest9-21ksoftirqd/023:51:270
28289993226,4cyclictest9-21ksoftirqd/023:23:120
28289993226,4cyclictest9-21ksoftirqd/022:51:550
28289993226,4cyclictest9-21ksoftirqd/019:57:480
28291993126,3cyclictest33-21ksoftirqd/221:21:312
28291993125,4cyclictest33-21ksoftirqd/219:40:532
28291993125,4cyclictest33-21ksoftirqd/200:18:172
28291993125,3cyclictest33-21ksoftirqd/220:07:232
28290993126,3cyclictest25-21ksoftirqd/119:55:171
28289993126,3cyclictest9-21ksoftirqd/023:40:130
28289993126,3cyclictest9-21ksoftirqd/019:45:270
28289993125,4cyclictest9-21ksoftirqd/021:40:380
28289993125,3cyclictest9-21ksoftirqd/022:15:000
18722310,2sleep20-21swapper/219:20:232
28291993025,3cyclictest33-21ksoftirqd/221:47:542
28291993025,3cyclictest33-21ksoftirqd/200:01:362
28291993024,4cyclictest33-21ksoftirqd/221:36:592
28290993026,3cyclictest25-21ksoftirqd/119:50:181
28290993024,4cyclictest25-21ksoftirqd/122:12:441
28289993026,3cyclictest9-21ksoftirqd/019:15:010
28289993025,3cyclictest9-21ksoftirqd/023:38:190
28289993025,3cyclictest9-21ksoftirqd/020:25:070
28289993025,3cyclictest9-21ksoftirqd/020:10:400
28289993023,4cyclictest9-21ksoftirqd/021:22:480
28291992924,3cyclictest33-21ksoftirqd/222:10:192
28291992924,3cyclictest33-21ksoftirqd/219:29:062
28291992923,4cyclictest33-21ksoftirqd/222:53:092
28291992923,4cyclictest33-21ksoftirqd/220:11:142
2829099295,3cyclictest25-21ksoftirqd/121:45:271
28290992924,3cyclictest25-21ksoftirqd/123:10:131
28289992925,3cyclictest9-21ksoftirqd/022:34:590
28289992925,3cyclictest9-21ksoftirqd/022:15:180
28289992923,4cyclictest9-21ksoftirqd/019:43:020
28289992922,4cyclictest9-21ksoftirqd/019:26:270
28291992823,3cyclictest33-21ksoftirqd/223:59:052
28291992823,3cyclictest33-21ksoftirqd/220:15:102
28291992823,3cyclictest33-21ksoftirqd/219:17:042
28289992823,3cyclictest9-21ksoftirqd/021:15:270
28291992722,3cyclictest33-21ksoftirqd/221:52:432
28291992721,4cyclictest33-21ksoftirqd/221:41:122
28289992721,4cyclictest9-21ksoftirqd/023:15:050
28289992721,4cyclictest9-21ksoftirqd/023:15:050
28291992621,3cyclictest33-21ksoftirqd/219:39:452
28291992621,3cyclictest33-21ksoftirqd/219:39:452
28289992622,3cyclictest9-21ksoftirqd/020:35:190
2829199234,16cyclictest30140-21latency_hist23:45:002
28291992319,3cyclictest33-21ksoftirqd/223:15:192
28291992319,3cyclictest33-21ksoftirqd/223:15:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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