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2026-09-06 - 00:06
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack0slot2.osadl.org (updated Sat Sep 05, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16539242640,1sleep71653925-21kthreadcore11:29:437
106399725444,7sleep50-21swapper/507:08:585
17709042520,1sleep50-21swapper/512:19:345
10630272493,38sleep70-21swapper/707:04:517
1064323994739,7cyclictest0-21swapper/711:49:227
106386624737,7sleep60-21swapper/607:07:076
106380424327,9sleep40-21swapper/407:06:174
1064323994139,1cyclictest17050irq/16-ehci_hcd:usb410:59:357
1064323993937,1cyclictest1520883-21ssh10:34:547
1064323993936,2cyclictest1785663-21grep12:24:387
1064313993834,3cyclictest1572890-21kworker/u16:2+events_unbound11:06:384
1064323993736,0cyclictest0-21swapper/709:49:227
1064323993727,8cyclictest1526317-21kthreadcore10:39:397
1064323993635,0cyclictest0-21swapper/712:31:547
1064323993534,0cyclictest0-21swapper/712:01:297
1064323993433,0cyclictest0-21swapper/710:15:107
1064323993432,1cyclictest0-21swapper/708:09:387
1064323993431,1cyclictest1621687-21ssh11:18:157
1064323993428,5cyclictest1819434-21latency_hist12:39:207
1064323993332,0cyclictest0-21swapper/712:16:317
1064323993331,1cyclictest0-21swapper/709:35:107
1064323993230,1cyclictest1684401-21ssh11:44:307
1064323993230,1cyclictest0-21swapper/711:38:077
1064323993229,2cyclictest1676449-21ps11:39:417
1064323993229,2cyclictest1458694-21ntpq10:09:507
1064323993229,2cyclictest1335493-21sensors09:19:507
1064323993130,0cyclictest0-21swapper/709:04:357
1064323993129,1cyclictest1634629-21ssh11:24:197
1064323993129,1cyclictest1343432-21ssh09:24:427
1064323993129,1cyclictest0-21swapper/712:21:037
13576782300,1chrt0-21swapper/609:29:456
1064323993029,0cyclictest0-21swapper/710:03:307
1064323993029,0cyclictest0-21swapper/709:39:227
1064323993027,2cyclictest17050irq/16-ehci_hcd:usb410:56:307
1064323992826,1cyclictest0-21swapper/712:07:307
1064323992726,0cyclictest0-21swapper/711:24:507
1064323992726,0cyclictest0-21swapper/711:24:507
1064313992725,2cyclictest1097533-21kworker/u16:2+events_unbound08:04:474
1064313992624,2cyclictest1054366-21kworker/u16:3+events_unbound08:29:364
1064323992523,1cyclictest0-21swapper/711:07:177
1064323992519,1cyclictest0-21swapper/710:33:427
1064313992523,2cyclictest1087672-21kworker/u16:1+events_unbound07:19:344
1064323992423,0cyclictest0-21swapper/710:04:587
1064323992422,1cyclictest0-21swapper/707:19:407
1064323992421,2cyclictest1486094-21sh10:23:347
1064313992422,2cyclictest1054366-21kworker/u16:3+flush-8:008:39:354
12794702230,0chrt0-21swapper/508:54:425
1064323992322,0cyclictest0-21swapper/710:26:347
1064323992322,0cyclictest0-21swapper/709:09:307
1064313992321,2cyclictest1324990-21kworker/u16:1+flush-8:010:04:154
1064313992321,2cyclictest1301061-21kworker/u16:5+events_unbound09:11:474
1064313992321,2cyclictest1097534-21kworker/u16:4+events_unbound07:44:514
17464322220,1chrt1746433-21/usr/sbin/munin12:09:357
1064323992218,3cyclictest1610021-21idleruntime-cro11:14:207
1064323992216,5cyclictest1233295-21latency_hist08:34:207
1064313992220,2cyclictest1348319-21kworker/u16:2+events_unbound10:10:014
1064313992220,2cyclictest1159955-21kworker/u16:5+events_unbound07:59:504
1064313992220,2cyclictest1054366-21kworker/u16:3+events_unbound08:24:354
1064313992220,2cyclictest1054366-21kworker/u16:3+events_unbound07:30:004
1064323992116,1cyclictest0-21swapper/709:32:437
1064313992119,2cyclictest1696382-21kworker/u16:4+flush-8:011:54:154
1064313992119,2cyclictest1672010-21kworker/u16:0+events_unbound11:59:574
1064313992119,2cyclictest1646971-21kworker/u16:2+flush-8:011:31:154
1064313992119,2cyclictest1595067-21kworker/u16:1+events_unbound11:19:434
1064313992119,2cyclictest1324990-21kworker/u16:1+events_unbound09:49:434
1064323992016,3cyclictest0-21swapper/707:44:317
1064313992018,2cyclictest1745550-21kworker/u16:1+events_unbound12:14:194
1064313992018,2cyclictest1596087-21kworker/u16:5+flush-8:011:39:064
1064313992018,2cyclictest1596087-21kworker/u16:5+flush-8:011:29:144
1064313992018,2cyclictest1596087-21kworker/u16:5+flush-8:011:29:144
1064313992018,2cyclictest1010090-21kworker/u16:4+events_unbound07:09:504
1064313992018,2cyclictest1010090-21kworker/u16:4+events_unbound07:09:504
1064323991917,1cyclictest17050irq/16-ehci_hcd:usb410:50:467
1064323991917,1cyclictest0-21swapper/709:46:387
1064323991916,2cyclictest1277-21snmpd11:58:347
1064323991910,8cyclictest1413759-21ssh09:54:377
106431899190,14cyclictest0-21swapper/611:37:266
1064313991917,2cyclictest1498327-21kworker/u16:4+events_unbound10:46:184
1064313991917,2cyclictest1498327-21kworker/u16:4+events_unbound10:46:184
1064313991917,2cyclictest1412228-21kworker/u16:3+events_unbound09:57:384
1064323991817,0cyclictest0-21swapper/707:29:497
1064323991810,7cyclictest0-21swapper/707:09:367
1064323991810,7cyclictest0-21swapper/707:09:367
1064313991816,2cyclictest1724798-21kworker/u16:2+events_unbound12:18:254
1064313991816,2cyclictest1696382-21kworker/u16:4+events_unbound12:08:154
1064313991816,2cyclictest1672010-21kworker/u16:0+flush-8:012:29:304
1064313991816,2cyclictest1595067-21kworker/u16:1+events_unbound11:17:074
1064313991816,2cyclictest1595067-21kworker/u16:1+events_unbound11:10:204
1064313991816,2cyclictest1449575-21kworker/u16:0+events_unbound10:26:104
1064313991816,2cyclictest1449575-21kworker/u16:0+events_unbound10:17:384
1064313991816,2cyclictest1412228-21kworker/u16:3+events_unbound10:20:304
1064313991816,2cyclictest1339814-21kworker/u16:0+events_unbound09:42:264
1064313991816,2cyclictest1324990-21kworker/u16:1+events_unbound09:49:044
1064323991716,0cyclictest0-21swapper/708:24:477
1064323991710,6cyclictest0-21swapper/708:14:477
1064318991715,2cyclictest1696382-21kworker/u16:4+flush-8:012:34:256
1064313991715,2cyclictest1672010-21kworker/u16:0+flush-8:011:44:334
1064313991715,2cyclictest1557447-21kworker/u16:3+events_unbound11:03:104
1064313991715,2cyclictest1498327-21kworker/u16:4+events_unbound10:31:234
1064313991715,2cyclictest1449575-21kworker/u16:0+events_unbound10:52:354
1064313991715,2cyclictest1324990-21kworker/u16:1+flush-8:009:20:314
1064313991715,2cyclictest1248468-21kworker/u16:4+events_unbound09:35:514
1064313991715,2cyclictest1248468-21kworker/u16:4+events_unbound09:31:354
1064313991715,2cyclictest1010090-21kworker/u16:4+flush-8:007:14:304
1064313991714,2cyclictest1054366-21kworker/u16:3+flush-8:007:34:224
1064313991713,2cyclictest1758045-21kworker/u16:3+events_unbound12:36:204
1064323991615,0cyclictest0-21swapper/709:18:237
1064318991613,3cyclictest0-21swapper/611:33:016
1064313991614,2cyclictest1557447-21kworker/u16:3+events_unbound10:56:344
1064313991614,2cyclictest1449575-21kworker/u16:0+events_unbound10:42:104
1064313991614,2cyclictest1324990-21kworker/u16:1+flush-8:009:17:584
1064313991614,2cyclictest1054366-21kworker/u16:3+events_unbound07:39:464
1064323991514,0cyclictest0-21swapper/708:04:367
1064323991514,0cyclictest0-21swapper/707:24:277
1064323991513,1cyclictest0-21swapper/710:44:257
1064323991513,1cyclictest0-21swapper/710:44:257
1064323991511,3cyclictest1277-21snmpd07:18:507
106431899159,2cyclictest86-21ksoftirqd/608:39:496
106431899159,2cyclictest1261472-21needreboot08:44:426
106431899159,2cyclictest1261472-21needreboot08:44:426
106431899154,7cyclictest0-21swapper/607:19:346
1064318991513,2cyclictest0-21swapper/609:49:086
1064318991513,2cyclictest0-21swapper/609:40:186
1064318991511,1cyclictest0-21swapper/611:51:096
106431899150,15cyclictest0-21swapper/611:48:196
106431899150,15cyclictest0-21swapper/610:44:006
1064313991513,2cyclictest1724798-21kworker/u16:2+events_unbound12:27:504
1064313991513,2cyclictest1696382-21kworker/u16:4+events_unbound11:56:594
1064313991513,2cyclictest1498327-21kworker/u16:4+events_unbound10:36:424
1064313991513,2cyclictest1433867-21kworker/u16:5+events_unbound10:06:104
1064313991510,4cyclictest1205362-21cat08:19:364
106432399149,4cyclictest1273413-21cat08:54:357
106432399147,6cyclictest5994-21gmain08:34:387
1064323991411,2cyclictest1165231-21munin-run07:59:207
1064323991410,3cyclictest1277-21snmpd08:52:507
1064318991413,1cyclictest0-21swapper/611:40:166
1064318991413,1cyclictest0-21swapper/608:54:456
1064318991411,1cyclictest0-21swapper/611:28:376
1064318991411,1cyclictest0-21swapper/611:28:376
106431899140,1cyclictest0-21swapper/608:34:346
106431899140,14cyclictest0-21swapper/612:08:306
106431899140,14cyclictest0-21swapper/610:58:306
106431899140,14cyclictest0-21swapper/609:14:556
1064317991413,1cyclictest0-21swapper/512:11:175
106431799140,14cyclictest0-21swapper/511:54:535
1064313991413,1cyclictest0-21swapper/408:59:444
1064313991412,2cyclictest1724798-21kworker/u16:2+events_unbound12:22:494
1064313991412,2cyclictest1595067-21kworker/u16:1+events_unbound11:42:534
1064313991412,2cyclictest1135754-21kworker/u16:0+flush-8:007:54:154
106432399139,3cyclictest1277-21snmpd07:41:097
1064323991310,2cyclictest0-21swapper/708:44:357
1064323991310,2cyclictest0-21swapper/708:44:357
106431899139,3cyclictest1078890-21cat07:14:356
106431899134,1cyclictest86-21ksoftirqd/611:17:366
1064318991312,1cyclictest0-21swapper/611:10:106
1064318991312,1cyclictest0-21swapper/611:05:456
1064318991312,1cyclictest0-21swapper/610:50:276
1064318991312,1cyclictest0-21swapper/610:31:326
1064318991312,1cyclictest0-21swapper/609:36:416
1064317991312,1cyclictest0-21swapper/511:36:555
1064317991312,1cyclictest0-21swapper/511:28:335
1064317991312,1cyclictest0-21swapper/511:28:335
1064317991312,1cyclictest0-21swapper/510:36:225
1064317991312,1cyclictest0-21swapper/509:14:055
1064317991312,1cyclictest0-21swapper/509:04:375
1064317991311,1cyclictest0-21swapper/508:49:395
106431799130,13cyclictest0-21swapper/510:43:565
106431799130,13cyclictest0-21swapper/510:02:485
1064313991312,1cyclictest0-21swapper/408:09:364
1064313991311,2cyclictest1248468-21kworker/u16:4+flush-8:008:54:424
1064313991311,2cyclictest1248468-21kworker/u16:4+events_unbound09:26:034
1064313991311,2cyclictest1097533-21kworker/u16:2+events_unbound09:04:584
106432399128,3cyclictest1277-21snmpd09:00:237
1064318991211,1cyclictest0-21swapper/611:58:246
1064318991211,1cyclictest0-21swapper/610:46:506
1064318991211,1cyclictest0-21swapper/610:46:506
1064318991211,1cyclictest0-21swapper/610:17:496
1064318991211,1cyclictest0-21swapper/610:10:346
1064318991211,1cyclictest0-21swapper/609:25:016
1064318991211,1cyclictest0-21swapper/608:00:406
1064318991211,1cyclictest0-21swapper/607:54:506
1064317991211,1cyclictest0-21swapper/511:43:415
1064317991211,1cyclictest0-21swapper/511:01:555
1064317991211,1cyclictest0-21swapper/510:07:135
1064317991211,1cyclictest0-21swapper/509:53:115
1064313991210,2cyclictest1248468-21kworker/u16:4+events_unbound08:52:304
1064313991210,2cyclictest1155685-21kworker/u16:1+flush-8:007:58:264
1064313991210,2cyclictest1054366-21kworker/u16:3+flush-8:008:44:304
1064313991210,2cyclictest1054366-21kworker/u16:3+flush-8:008:44:304
106432399117,3cyclictest1277-21snmpd08:19:497
106432399117,3cyclictest1277-21snmpd08:00:557
106432399117,3cyclictest1277-21snmpd07:51:007
106432399114,6cyclictest6275-21gmain08:39:467
106431899118,2cyclictest86-21ksoftirqd/607:39:346
106431899117,3cyclictest1185909-21cat08:09:356
1064318991110,1cyclictest0-21swapper/612:25:036
1064318991110,1cyclictest0-21swapper/612:21:256
1064318991110,1cyclictest0-21swapper/611:24:126
1064318991110,1cyclictest0-21swapper/609:54:486
106431899110,0cyclictest0-21swapper/609:01:506
1064317991110,1cyclictest0-21swapper/512:29:155
1064317991110,1cyclictest0-21swapper/510:54:215
1064317991110,1cyclictest0-21swapper/510:49:095
1064317991110,1cyclictest0-21swapper/510:49:095
1064317991110,1cyclictest0-21swapper/507:52:165
1064317991110,1cyclictest0-21swapper/507:14:355
106431799110,1cyclictest0-21swapper/509:01:285
106431799110,11cyclictest0-21swapper/507:57:185
106431799110,11cyclictest0-21swapper/507:40:365
106431399119,2cyclictest1097534-21kworker/u16:4+flush-8:007:28:344
106431399110,11cyclictest0-21swapper/408:37:594
106431899109,1cyclictest0-21swapper/612:17:486
106431899109,1cyclictest0-21swapper/612:01:146
106431899109,1cyclictest0-21swapper/611:01:206
106431899109,1cyclictest0-21swapper/610:27:556
106431899109,1cyclictest0-21swapper/610:20:406
106431899109,1cyclictest0-21swapper/610:07:446
106431899109,1cyclictest0-21swapper/610:01:166
106431899109,1cyclictest0-21swapper/607:34:586
106431899109,1cyclictest0-21swapper/607:25:596
106431899108,2cyclictest86-21ksoftirqd/612:33:246
106431899108,2cyclictest86-21ksoftirqd/612:09:306
106431899100,9cyclictest0-21swapper/608:24:406
106431899100,3cyclictest1227272-21cut08:29:406
106431899100,3cyclictest1148937-21cut07:49:376
106431899100,3cyclictest1111513-21kthreadcore07:29:406
106431899100,0cyclictest0-21swapper/609:07:216
106431799109,1cyclictest0-21swapper/511:18:375
106431799109,1cyclictest0-21swapper/510:23:365
106431799109,1cyclictest0-21swapper/510:12:255
106431799109,1cyclictest0-21swapper/509:19:175
106431799109,1cyclictest0-21swapper/507:33:115
106431799109,1cyclictest0-21swapper/507:10:205
106431799109,1cyclictest0-21swapper/507:10:205
106431799107,3cyclictest1412228-21kworker/u16:3+flush-8:010:14:565
106431399108,2cyclictest1054366-21kworker/u16:3+events_unbound08:14:454
10643239995,3cyclictest6275-21gmain07:34:547
10643189997,2cyclictest86-21ksoftirqd/609:49:506
10643189990,8cyclictest1264535-21kthreadcore08:49:396
10643189990,8cyclictest0-21swapper/608:04:426
10643189990,3cyclictest1071138-21cut07:09:426
10643189990,3cyclictest1071138-21cut07:09:426
10643179998,1cyclictest0-21swapper/512:16:295
10643179998,1cyclictest0-21swapper/509:47:115
10643179998,1cyclictest0-21swapper/509:30:295
10643179990,8cyclictest0-21swapper/507:34:405
10643189986,2cyclictest86-21ksoftirqd/609:19:356
10643189986,2cyclictest86-21ksoftirqd/609:11:016
10643189985,2cyclictest0-21swapper/610:34:326
10643189983,4cyclictest1136897-21expr07:44:336
10643189981,1cyclictest0-21swapper/608:19:346
10643189980,1cyclictest1196108-21kthreadcore08:14:366
10643179987,1cyclictest0-21swapper/511:48:545
10643179985,3cyclictest1097534-21kworker/u16:4+events_unbound07:44:355
10643179985,2cyclictest0-21swapper/508:19:405
10643179984,3cyclictest1237382-21kthreadcore08:34:405
10643179983,4cyclictest1254826-21cut08:44:375
10643179983,4cyclictest1254826-21cut08:44:375
10643179983,4cyclictest1202132-21cut08:14:395
10643179982,2cyclictest0-21swapper/512:07:015
10643179980,7cyclictest0-21swapper/508:13:355
1657499273,1sleep5681rcuog/411:31:115
10643179976,1cyclictest0-21swapper/511:08:425
10643179976,1cyclictest0-21swapper/510:28:485
10643179976,1cyclictest0-21swapper/509:38:505
10643179975,1cyclictest0-21swapper/507:19:315
10643179974,2cyclictest1099268-21kthreadcore07:24:395
10643179973,3cyclictest1214264-21cpu08:24:345
10643179973,3cyclictest1175379-21cpu08:04:335
10643179973,3cyclictest1166304-21grep07:59:355
10643179972,4cyclictest1243697-21expr08:39:335
10643179972,4cyclictest1224403-21cat08:29:345
10643179970,6cyclictest1632152-21taskset11:19:565
10643179963,2cyclictest17312682sleep512:00:445
10643179963,2cyclictest14226602sleep509:55:335
10643179962,2cyclictest0-21swapper/511:10:025
10643179962,2cyclictest0-21swapper/509:21:555
10643179960,2cyclictest1500186-21chrt10:29:395
10643179960,2cyclictest0-21swapper/512:29:495
10643179960,1cyclictest0-21swapper/509:42:465
10643179953,1cyclictest0-21swapper/511:49:215
10643179950,4cyclictest1807585-21chrt12:34:255
10643179950,4cyclictest1548990-21chrt10:49:345
10643179950,4cyclictest1348452-21chrt09:25:115
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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