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2026-04-13 - 16:41
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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 the highest latencies:
System rack0slot2.osadl.org (updated Mon Apr 13, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23430982990,1sleep72343099-21ssh09:14:287
207449525836,7sleep60-21swapper/606:58:546
2074995995451,2cyclictest2646248-21kworker/u16:2+flush-8:012:26:515
207452125342,7sleep50-21swapper/506:59:175
2074991994947,2cyclictest2393197-21kworker/u16:0+flush-8:010:02:054
2075001994742,4cyclictest2356454-21latency_hist09:21:517
207455824736,7sleep40-21swapper/406:59:494
2075000994542,3cyclictest2002714-21kworker/u16:1+flush-8:007:24:056
2074995994441,2cyclictest2289113-21kworker/u16:1+flush-8:009:41:515
2075000994240,2cyclictest2332463-21kworker/u16:3+events_unbound09:22:146
2075000994240,2cyclictest2332463-21kworker/u16:3+events_unbound09:22:146
2075001994135,4cyclictest2658320-21latency_hist11:26:507
2075001994034,5cyclictest2320273-21latency_hist09:06:517
2074995994036,3cyclictest2440259-21kworker/u16:2+flush-8:010:32:095
2075001993937,1cyclictest2308216-21diskmemload12:16:047
20745802394,31sleep70-21swapper/707:00:087
2075001993735,1cyclictest0-21swapper/709:31:377
2075001993634,1cyclictest2667894-21ssh11:27:257
2075001993634,1cyclictest2667894-21ssh11:27:257
2074991993634,2cyclictest2477475-21kworker/u16:0+events_unbound11:17:054
2075001993527,2cyclictest2789068-21ssh12:18:437
2075000993532,2cyclictest2440259-21kworker/u16:2+flush-8:009:56:516
2075000993532,2cyclictest2308641-21kworker/u16:2+flush-8:009:07:116
207500199340,33cyclictest6184-21gvfs-afc-volume12:00:367
2075001993332,0cyclictest0-21swapper/710:24:097
2075001993331,1cyclictest2476950-21ssh10:11:047
2075001993330,2cyclictest2501279-21ssh10:21:237
2075000993330,2cyclictest2393197-21kworker/u16:0+flush-8:009:51:466
2075001993231,0cyclictest0-21swapper/710:37:257
2075001993231,0cyclictest0-21swapper/710:37:257
2074995993230,2cyclictest1341679-21kworker/u16:0+events_unbound07:07:065
2075001993129,1cyclictest0-21swapper/707:42:177
2075001993030,0cyclictest0-21swapper/710:36:127
207500199300,28cyclictest2402551-21sh09:37:357
2074995993029,1cyclictest2646248-21kworker/u16:2+events_unbound12:12:415
2074995993028,2cyclictest2778683-21kworker/u16:0+events_unbound12:27:135
2074995993027,3cyclictest2126301-21kworker/u16:5+flush-8:009:17:175
2074991993028,2cyclictest2646248-21kworker/u16:2+flush-8:011:52:164
2074991993028,2cyclictest2550258-21kworker/u16:3+flush-8:011:36:504
2074991993028,2cyclictest2550258-21kworker/u16:3+events_unbound11:37:054
2074991993028,2cyclictest2145858-21kworker/u16:0+events_unbound07:37:064
2075001992929,0cyclictest0-21swapper/712:23:207
2075001992929,0cyclictest0-21swapper/710:03:407
2075001992929,0cyclictest0-21swapper/709:09:247
2075001992928,1cyclictest0-21swapper/711:38:277
2075001992925,3cyclictest124-21kswapd011:52:047
2074995992926,2cyclictest2719029-21kworker/u16:4+flush-8:011:56:565
2075001992828,0cyclictest0-21swapper/712:27:357
2075001992828,0cyclictest0-21swapper/709:25:087
2075001992828,0cyclictest0-21swapper/709:25:087
2075001992827,1cyclictest0-21swapper/710:31:477
2075001992827,0cyclictest0-21swapper/711:02:247
2075001992827,0cyclictest0-21swapper/708:56:427
2075001992826,1cyclictest0-21swapper/711:09:367
2075001992823,4cyclictest650-21systemd-journal07:56:467
2075000992826,2cyclictest2126301-21kworker/u16:5+flush-8:008:11:516
2075000992825,2cyclictest2477475-21kworker/u16:0+events_unbound11:02:086
2074991992826,2cyclictest2619669-21kworker/u16:1+events_unbound11:27:054
2074991992826,2cyclictest2619669-21kworker/u16:1+events_unbound11:27:054
2074991992826,2cyclictest2126301-21kworker/u16:5+events_unbound09:42:554
2075001992727,0cyclictest0-21swapper/709:35:377
2075001992726,0cyclictest0-21swapper/708:16:077
2075001992726,0cyclictest0-21swapper/707:10:277
207500199270,25cyclictest2203014-21latency_hist08:06:517
2075000992725,2cyclictest2002714-21kworker/u16:1+events_unbound07:52:096
2074995992725,2cyclictest2289113-21kworker/u16:1+flush-8:010:17:225
2074995992725,2cyclictest2126301-21kworker/u16:5+flush-8:009:32:215
2074995992724,2cyclictest2718981-21kworker/u16:3+flush-8:012:02:075
2074991992725,2cyclictest2646248-21kworker/u16:2+flush-8:011:42:494
2075001992626,0cyclictest0-21swapper/710:45:007
2075001992626,0cyclictest0-21swapper/710:14:487
2075001992625,0cyclictest0-21swapper/709:47:267
2075000992624,2cyclictest2145858-21kworker/u16:0+events_unbound08:37:106
2074995992623,2cyclictest2289113-21kworker/u16:1+events_unbound09:02:145
2075001992525,0cyclictest0-21swapper/712:10:207
2075001992525,0cyclictest0-21swapper/710:59:047
2075001992524,0cyclictest0-21swapper/707:20:067
2075000992523,2cyclictest2719029-21kworker/u16:4+flush-8:011:57:086
2075000992523,2cyclictest2145858-21kworker/u16:0+events_unbound07:37:106
2074995992523,2cyclictest2477475-21kworker/u16:0+flush-8:010:57:065
2074995992522,2cyclictest2477475-21kworker/u16:0+flush-8:010:37:165
2074995992522,2cyclictest2477475-21kworker/u16:0+flush-8:010:37:165
2074991992523,2cyclictest2778683-21kworker/u16:0+flush-8:012:17:154
2074991992523,2cyclictest2145858-21kworker/u16:0+events_unbound08:52:034
2074991992523,2cyclictest2046327-21kworker/u16:3+flush-8:007:23:574
2075001992423,0cyclictest0-21swapper/708:39:037
2075001992423,0cyclictest0-21swapper/708:35:477
2075001992423,0cyclictest0-21swapper/707:59:267
2075001992423,0cyclictest0-21swapper/707:28:067
2075000992422,2cyclictest2046327-21kworker/u16:3+events_unbound07:12:116
2074995992422,2cyclictest2145858-21kworker/u16:0+events_unbound08:37:045
2074991992422,2cyclictest2289113-21kworker/u16:1+flush-8:009:22:264
2074991992422,2cyclictest2289113-21kworker/u16:1+flush-8:009:22:264
2074991992422,2cyclictest2046327-21kworker/u16:3+events_unbound07:27:164
2075001992323,0cyclictest0-21swapper/707:16:457
2075001992322,0cyclictest0-21swapper/709:00:257
2075001992322,0cyclictest0-21swapper/707:06:077
2075000992321,2cyclictest2550258-21kworker/u16:3+flush-8:011:37:176
2075000992319,3cyclictest1341679-21kworker/u16:0+events_unbound07:06:566
2074991992321,2cyclictest2477475-21kworker/u16:0+flush-8:010:47:164
2075001992222,0cyclictest0-21swapper/711:49:207
2075000992220,2cyclictest2718981-21kworker/u16:3+events_unbound12:07:036
2075000992220,2cyclictest2289113-21kworker/u16:1+flush-8:009:37:546
2075000992220,2cyclictest2289113-21kworker/u16:1+events_unbound10:22:126
2074991992220,2cyclictest2289113-21kworker/u16:1+flush-8:010:17:344
2075001992121,0cyclictest0-21swapper/707:38:427
2075001992120,0cyclictest0-21swapper/708:48:437
2075001992120,0cyclictest0-21swapper/708:48:437
2075000992120,1cyclictest2778683-21kworker/u16:0+events_unbound12:25:026
2075000992120,1cyclictest2440259-21kworker/u16:2+events_unbound10:48:576
2075000992119,2cyclictest2145858-21kworker/u16:0+flush-8:008:36:476
2074995992118,2cyclictest2646248-21kworker/u16:2+flush-8:012:07:085
2074991992119,2cyclictest2289113-21kworker/u16:1+events_unbound10:11:534
2074991992119,2cyclictest2222177-21kworker/u16:2+flush-8:008:32:304
2074991992119,2cyclictest2222177-21kworker/u16:2+events_unbound08:29:264
2074991992119,2cyclictest2222177-21kworker/u16:2+events_unbound08:22:524
2074991992119,2cyclictest2145858-21kworker/u16:0+events_unbound08:39:114
2074991992119,2cyclictest1341679-21kworker/u16:0+flush-8:007:13:054
2074991992118,2cyclictest1341679-21kworker/u16:0+events_unbound07:16:584
2075001992019,0cyclictest0-21swapper/708:08:227
2075000992018,2cyclictest2646248-21kworker/u16:2+events_unbound12:16:496
2075000992018,2cyclictest2550258-21kworker/u16:3+events_unbound10:57:096
2075000992018,2cyclictest2440259-21kworker/u16:2+flush-8:010:02:216
2075000992018,2cyclictest2126301-21kworker/u16:5+flush-8:007:32:086
2074995992018,2cyclictest2409786-21kworker/u16:2+flush-8:009:42:135
2074991992018,2cyclictest2126301-21kworker/u16:5+events_unbound08:50:484
2074991992018,2cyclictest2126301-21kworker/u16:5+events_unbound08:50:484
2074991992018,2cyclictest2046327-21kworker/u16:3+events_unbound07:35:244
2075001991918,0cyclictest0-21swapper/708:31:267
2075000991917,2cyclictest2778683-21kworker/u16:0+events_unbound12:17:156
2075000991917,2cyclictest2550258-21kworker/u16:3+flush-8:010:56:506
2075000991917,2cyclictest2393197-21kworker/u16:0+flush-8:009:57:156
2075000991917,2cyclictest2145858-21kworker/u16:0+events_unbound08:22:166
2074995991917,2cyclictest2550258-21kworker/u16:3+events_unbound11:37:135
2074995991917,2cyclictest2393197-21kworker/u16:0+events_unbound09:52:045
2074991991917,2cyclictest2126301-21kworker/u16:5+events_unbound07:50:254
2074991991916,2cyclictest2619669-21kworker/u16:1+events_unbound11:46:574
2075001991817,0cyclictest0-21swapper/708:46:057
2075001991816,1cyclictest0-21swapper/711:12:017
2075000991816,2cyclictest2289113-21kworker/u16:1+flush-8:010:16:466
2075000991816,2cyclictest2289113-21kworker/u16:1+events_unbound09:02:086
2075000991815,2cyclictest2646248-21kworker/u16:2+flush-8:011:52:176
2074995991816,2cyclictest2778683-21kworker/u16:0+events_unbound12:17:135
2074995991816,2cyclictest2477475-21kworker/u16:0+flush-8:011:17:295
2074991991816,2cyclictest2440259-21kworker/u16:2+events_unbound10:26:204
2074991991816,2cyclictest2145858-21kworker/u16:0+events_unbound07:52:154
2074991991816,2cyclictest2145858-21kworker/u16:0+events_unbound07:42:404
2074991991816,2cyclictest2126301-21kworker/u16:5+events_unbound08:07:144
2074995991715,2cyclictest2670346-21kworker/u16:0+flush-8:011:47:265
2074995991715,2cyclictest2477475-21kworker/u16:0+flush-8:010:56:465
2074991991715,2cyclictest2550258-21kworker/u16:3+flush-8:011:07:304
2074991991715,2cyclictest2477475-21kworker/u16:0+events_unbound11:11:524
2074991991715,2cyclictest2289113-21kworker/u16:1+events_unbound09:02:104
2074991991715,2cyclictest2222177-21kworker/u16:2+events_unbound08:17:194
2074991991715,2cyclictest2145858-21kworker/u16:0+events_unbound08:15:494
2074991991714,2cyclictest2002714-21kworker/u16:1+flush-8:008:01:514
207500199167,8cyclictest0-21swapper/709:52:047
2075001991615,0cyclictest0-21swapper/707:22:427
207500199160,2cyclictest2450140-21ssh09:57:167
207500199160,14cyclictest0-21swapper/712:02:147
2075000991614,2cyclictest2550258-21kworker/u16:3+events_unbound11:42:086
2075000991614,2cyclictest2477475-21kworker/u16:0+events_unbound11:20:506
2075000991614,2cyclictest2289113-21kworker/u16:1+flush-8:010:07:116
2075000991614,2cyclictest2145858-21kworker/u16:0+flush-8:008:12:156
2075000991613,2cyclictest2126301-21kworker/u16:5+flush-8:007:47:186
2074991991614,2cyclictest2718981-21kworker/u16:3+events_unbound12:02:064
2074991991614,2cyclictest2646248-21kworker/u16:2+events_unbound12:27:014
2074991991614,2cyclictest2646248-21kworker/u16:2+events_unbound11:22:144
2074991991614,2cyclictest2477475-21kworker/u16:0+events_unbound11:02:124
2074991991614,2cyclictest2126301-21kworker/u16:5+flush-8:009:32:164
2074991991614,2cyclictest2046327-21kworker/u16:3+events_unbound07:04:004
2075001991513,1cyclictest2571597-21ssh10:47:417
2075000991513,2cyclictest2409786-21kworker/u16:2+flush-8:009:42:536
2075000991513,2cyclictest2046327-21kworker/u16:3+flush-8:007:30:536
2074995991512,2cyclictest2145858-21kworker/u16:0+events_unbound08:12:055
207499599150,1cyclictest0-21swapper/511:44:095
207499599150,14cyclictest0-21swapper/507:27:015
2074991991513,2cyclictest2646248-21kworker/u16:2+flush-8:012:22:104
2074991991513,2cyclictest2646248-21kworker/u16:2+events_unbound12:10:304
2074991991513,2cyclictest2440259-21kworker/u16:2+flush-8:010:32:164
2074991991513,2cyclictest2393197-21kworker/u16:0+flush-8:009:57:094
2074991991513,2cyclictest2289113-21kworker/u16:1+events_unbound09:21:144
207500199146,7cyclictest0-21swapper/711:32:117
207500199140,12cyclictest0-21swapper/707:32:167
2075000991413,1cyclictest0-21swapper/612:03:156
2075000991413,1cyclictest0-21swapper/611:23:316
2075000991413,1cyclictest0-21swapper/611:15:576
2075000991413,1cyclictest0-21swapper/610:27:146
2075000991412,2cyclictest2145858-21kworker/u16:0+flush-8:008:02:086
2075000991411,2cyclictest2619669-21kworker/u16:1+flush-8:011:32:066
207499599140,1cyclictest0-21swapper/511:25:145
207499599140,1cyclictest0-21swapper/511:08:125
207499599140,14cyclictest0-21swapper/511:15:465
2074991991413,1cyclictest0-21swapper/407:07:174
2074991991412,2cyclictest2308641-21kworker/u16:2+flush-8:009:07:014
2074991991412,2cyclictest2289113-21kworker/u16:1+flush-8:009:37:214
2074991991412,2cyclictest2126301-21kworker/u16:5+events_unbound08:59:504
207499199140,1cyclictest0-21swapper/412:14:334
207499199140,1cyclictest0-21swapper/411:59:164
207499199140,1cyclictest0-21swapper/411:00:274
207500199136,6cyclictest0-21swapper/710:53:347
207500199136,6cyclictest0-21swapper/709:42:097
207500199135,7cyclictest0-21swapper/711:17:377
2075001991313,0cyclictest0-21swapper/711:42:067
2075001991312,0cyclictest0-21swapper/708:17:127
2075000991312,1cyclictest2477475-21kworker/u16:0+events_unbound10:18:536
2075000991311,2cyclictest2145858-21kworker/u16:0+events_unbound08:17:066
2074995991312,1cyclictest0-21swapper/511:02:325
2074995991312,1cyclictest0-21swapper/510:23:265
2074995991312,1cyclictest0-21swapper/510:10:405
2074995991312,1cyclictest0-21swapper/509:47:015
2074995991312,1cyclictest0-21swapper/509:23:225
2074995991312,1cyclictest0-21swapper/509:23:225
2074995991311,2cyclictest2550258-21kworker/u16:3+events_unbound11:32:355
2074995991310,2cyclictest2126301-21kworker/u16:5+flush-8:007:46:565
207499599130,13cyclictest0-21swapper/511:29:015
207499599130,13cyclictest0-21swapper/511:29:015
2074991991312,1cyclictest0-21swapper/410:54:474
2074991991311,2cyclictest2453642-21kworker/u16:3+events_unbound10:10:524
2074991991311,2cyclictest2440259-21kworker/u16:2+events_unbound10:42:224
2074991991311,2cyclictest2440259-21kworker/u16:2+events_unbound10:37:334
2074991991311,2cyclictest2440259-21kworker/u16:2+events_unbound10:37:334
2074991991311,2cyclictest2332463-21kworker/u16:3+flush-8:009:27:164
207499199130,13cyclictest0-21swapper/409:48:154
207500099129,3cyclictest2002714-21kworker/u16:1+flush-8:007:42:156
2075000991210,2cyclictest2646248-21kworker/u16:2+events_unbound12:27:156
2075000991210,2cyclictest2646248-21kworker/u16:2+events_unbound11:30:506
2075000991210,2cyclictest2646248-21kworker/u16:2+events_unbound11:30:506
2075000991210,2cyclictest2550258-21kworker/u16:3+flush-8:011:07:286
207499599129,2cyclictest2046327-21kworker/u16:3+flush-8:007:32:175
2074995991211,1cyclictest0-21swapper/510:47:335
2074995991211,1cyclictest0-21swapper/510:30:515
2074995991211,1cyclictest0-21swapper/509:16:165
2074995991211,1cyclictest0-21swapper/508:22:215
2074991991210,2cyclictest2440259-21kworker/u16:2+events_unbound10:27:254
2074991991210,2cyclictest2289113-21kworker/u16:1+flush-8:009:52:234
2074991991210,1cyclictest2275306-21cut08:42:114
207500199117,3cyclictest6184-21gvfs-afc-volume07:47:067
207500099119,2cyclictest2670346-21kworker/u16:0+events_unbound11:47:176
2075000991110,1cyclictest0-21swapper/610:42:036
2075000991110,1cyclictest0-21swapper/609:36:006
2075000991110,1cyclictest0-21swapper/609:26:516
2075000991110,1cyclictest0-21swapper/608:57:416
207500099110,1cyclictest0-21swapper/608:53:546
207500099110,1cyclictest0-21swapper/608:30:156
207500099110,11cyclictest0-21swapper/607:03:056
2074995991110,1cyclictest0-21swapper/511:53:275
2074995991110,1cyclictest0-21swapper/509:07:085
2074995991110,1cyclictest0-21swapper/508:34:395
2074995991110,1cyclictest0-21swapper/507:13:095
207499599110,0cyclictest0-21swapper/508:30:335
207499199110,11cyclictest0-21swapper/408:03:254
207500199100,0cyclictest0-21swapper/708:22:167
207500099109,1cyclictest0-21swapper/610:32:456
207500099108,2cyclictest2126301-21kworker/u16:5+events_unbound09:17:076
207500099100,0cyclictest0-21swapper/608:42:336
207500099100,0cyclictest0-21swapper/607:21:316
207499599109,1cyclictest0-21swapper/509:28:445
207499599109,1cyclictest0-21swapper/509:01:465
207499599109,1cyclictest0-21swapper/508:52:095
207499599109,1cyclictest0-21swapper/507:46:065
207499599108,2cyclictest2145858-21kworker/u16:0+flush-8:008:02:175
207499199108,2cyclictest2126301-21kworker/u16:5+events_unbound09:13:194
20750009997,2cyclictest2002714-21kworker/u16:1+events_unbound07:57:196
20750009994,4cyclictest2539014-21wc10:37:076
20750009994,4cyclictest2539014-21wc10:37:076
20749959998,1cyclictest0-21swapper/510:12:245
20749959998,1cyclictest0-21swapper/508:18:565
20749959998,1cyclictest0-21swapper/507:39:475
20749959998,1cyclictest0-21swapper/507:17:435
20749959997,2cyclictest2126301-21kworker/u16:5+flush-8:008:42:245
20749959996,2cyclictest2002714-21kworker/u16:1+flush-8:007:52:175
20750009983,4cyclictest2338509-21cut09:12:126
20750009983,4cyclictest2280873-21sed08:47:096
20750009983,4cyclictest2280873-21sed08:47:096
20749959987,1cyclictest0-21swapper/509:57:545
20749959987,1cyclictest0-21swapper/507:58:145
20749959986,1cyclictest0-21swapper/507:22:105
20749959985,2cyclictest0-21swapper/508:47:055
20749959985,2cyclictest0-21swapper/508:47:055
20749959983,4cyclictest2550741-21cat10:42:025
20749959983,4cyclictest2204088-21fschecks_time08:07:065
20749959976,1cyclictest0-21swapper/507:06:225
20749959973,3cyclictest2455767-21cut10:02:095
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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