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2026-06-02 - 21:26
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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 Tue Jun 02, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
65482321000,1sleep7654824-21sh11:04:287
13281225646,7sleep40-21swapper/407:05:384
133171994643,2cyclictest680072-21kworker/u16:1+flush-8:011:17:016
133173994439,4cyclictest463699-21latency_hist09:46:467
133171994240,2cyclictest692193-21kworker/u16:3+flush-8:011:32:016
13266324131,7sleep50-21swapper/507:03:305
1326562405,30sleep70-21swapper/707:03:247
133173993933,5cyclictest523762-21latency_hist10:11:467
133171993937,2cyclictest415534-21kworker/u16:2+events_unbound10:32:396
133171993937,2cyclictest366659-21kworker/u16:3+events_unbound09:22:066
133171993836,2cyclictest415534-21kworker/u16:2+events_unbound10:49:316
133171993836,2cyclictest175266-21kworker/u16:1+events_unbound09:19:086
133171993735,2cyclictest388574-21kworker/u16:0+events_unbound09:14:366
13317399360,34cyclictest644052-21latency_hist11:01:467
133171993634,2cyclictest788416-21kworker/u16:4+events_unbound12:34:166
133171993634,2cyclictest716305-21kworker/u16:4+flush-8:011:41:356
133171993634,2cyclictest415534-21kworker/u16:2+events_unbound10:00:206
133171993533,2cyclictest656020-21kworker/u16:0+events_unbound11:08:016
133171993533,2cyclictest496689-21kworker/u16:1+events_unbound10:25:396
133171993533,2cyclictest415534-21kworker/u16:2+events_unbound10:43:046
133171993533,2cyclictest175266-21kworker/u16:1+flush-8:008:16:476
133171993432,2cyclictest680072-21kworker/u16:1+events_unbound11:53:356
133171993432,2cyclictest496689-21kworker/u16:1+events_unbound11:06:396
133171993432,2cyclictest474488-21kworker/u16:3+flush-8:010:04:596
133171993432,2cyclictest223378-21kworker/u16:0+flush-8:007:56:476
133171993331,2cyclictest788416-21kworker/u16:4+events_unbound12:25:036
133171993331,2cyclictest692193-21kworker/u16:3+events_unbound11:29:476
133171993331,2cyclictest415534-21kworker/u16:2+flush-8:009:44:516
133171993331,2cyclictest415534-21kworker/u16:2+events_unbound11:26:236
133173993229,2cyclictest428886-21irqcore09:32:027
133173993229,2cyclictest428886-21irqcore09:32:027
133171993230,2cyclictest692193-21kworker/u16:3+events_unbound11:43:246
133171993230,2cyclictest415534-21kworker/u16:2+events_unbound10:31:076
133171993230,2cyclictest415534-21kworker/u16:2+events_unbound10:11:056
133171993230,2cyclictest175266-21kworker/u16:1+flush-8:009:07:236
133167993230,2cyclictest415534-21kworker/u16:2+flush-8:009:56:465
133167993229,2cyclictest496689-21kworker/u16:1+events_unbound10:57:015
13267323221,8sleep60-21swapper/607:03:396
133171993129,2cyclictest692193-21kworker/u16:3+events_unbound12:08:246
133171993129,2cyclictest692193-21kworker/u16:3+events_unbound12:06:236
133165993129,2cyclictest451696-21kworker/u16:0+events_unbound09:56:394
133165993129,2cyclictest223378-21kworker/u16:0+flush-8:008:38:434
133171993028,2cyclictest788416-21kworker/u16:4+events_unbound12:19:396
133171993028,2cyclictest692193-21kworker/u16:3+events_unbound12:30:146
133171993028,2cyclictest474488-21kworker/u16:3+flush-8:009:52:326
133165993028,2cyclictest692193-21kworker/u16:3+flush-8:012:31:554
133173992927,1cyclictest367438-21diskmemload11:54:557
133173992925,3cyclictest635-21systemd-journal10:16:407
133173992925,3cyclictest635-21systemd-journal10:16:407
133171992927,2cyclictest415534-21kworker/u16:2+events_unbound09:28:456
133171992927,2cyclictest4060181-21kworker/u16:3+flush-8:007:15:166
133165992927,2cyclictest788416-21kworker/u16:4+flush-8:012:10:254
4509922280,1chrt450993-21sh09:40:297
133173992827,0cyclictest0-21swapper/708:07:367
133171992826,2cyclictest85034-21kworker/u16:2+flush-8:007:19:536
133171992826,2cyclictest692193-21kworker/u16:3+events_unbound12:01:056
133171992826,2cyclictest415534-21kworker/u16:2+events_unbound10:55:526
133171992826,2cyclictest415534-21kworker/u16:2+events_unbound10:55:526
133171992826,2cyclictest366659-21kworker/u16:3+events_unbound09:37:546
133171992826,2cyclictest194428-21kworker/u16:4+events_unbound08:59:166
133165992826,2cyclictest680072-21kworker/u16:1+events_unbound11:33:144
133165992826,2cyclictest474488-21kworker/u16:3+events_unbound10:29:104
133165992826,2cyclictest175266-21kworker/u16:1+events_unbound09:38:234
133165992826,2cyclictest175266-21kworker/u16:1+events_unbound07:33:364
133173992726,0cyclictest0-21swapper/711:34:467
133173992726,0cyclictest0-21swapper/709:09:557
133173992726,0cyclictest0-21swapper/708:41:437
133171992725,2cyclictest415534-21kworker/u16:2+events_unbound10:13:126
133171992725,2cyclictest415534-21kworker/u16:2+events_unbound10:13:126
133171992725,2cyclictest415534-21kworker/u16:2+events_unbound09:33:166
133171992725,2cyclictest415534-21kworker/u16:2+events_unbound09:33:166
133171992725,2cyclictest175266-21kworker/u16:1+events_unbound08:30:156
133165992725,2cyclictest788416-21kworker/u16:4+events_unbound12:04:344
133165992725,2cyclictest692193-21kworker/u16:3+events_unbound12:12:114
133165992725,2cyclictest692193-21kworker/u16:3+events_unbound11:57:494
133165992725,2cyclictest656020-21kworker/u16:0+events_unbound11:15:094
133165992725,2cyclictest496689-21kworker/u16:1+events_unbound10:23:264
133165992725,2cyclictest415534-21kworker/u16:2+events_unbound10:43:454
133165992725,2cyclictest415534-21kworker/u16:2+events_unbound10:18:094
133165992725,2cyclictest366659-21kworker/u16:3+flush-8:009:12:124
133165992725,2cyclictest328214-21kworker/u16:2+events_unbound08:54:404
133165992725,2cyclictest223378-21kworker/u16:0+flush-8:008:36:204
133165992725,2cyclictest194428-21kworker/u16:4+events_unbound09:05:044
133165992725,2cyclictest194428-21kworker/u16:4+events_unbound08:14:444
133165992725,2cyclictest175266-21kworker/u16:1+flush-8:008:06:434
133173992625,0cyclictest0-21swapper/712:10:267
133173992625,0cyclictest0-21swapper/710:56:227
133173992625,0cyclictest0-21swapper/710:56:227
133173992625,0cyclictest0-21swapper/710:50:307
133173992625,0cyclictest0-21swapper/708:58:357
133171992624,2cyclictest692193-21kworker/u16:3+events_unbound12:13:316
133171992624,2cyclictest496689-21kworker/u16:1+events_unbound10:41:306
133171992624,2cyclictest496689-21kworker/u16:1+events_unbound10:20:516
133171992624,2cyclictest175266-21kworker/u16:1+flush-8:008:33:366
133171992624,2cyclictest165738-21kworker/u16:0+flush-8:007:28:046
133171992624,2cyclictest165738-21kworker/u16:0+flush-8:007:28:046
133167992624,2cyclictest763673-21kworker/u16:0+flush-8:011:57:115
133167992624,2cyclictest716305-21kworker/u16:4+flush-8:011:37:175
133167992624,2cyclictest415534-21kworker/u16:2+flush-8:011:27:035
133165992624,2cyclictest692193-21kworker/u16:3+flush-8:012:17:124
133165992624,2cyclictest415534-21kworker/u16:2+events_unbound11:00:184
133165992624,2cyclictest328214-21kworker/u16:2+events_unbound08:49:414
133165992624,2cyclictest328214-21kworker/u16:2+events_unbound08:45:594
133165992624,2cyclictest223378-21kworker/u16:0+events_unbound08:29:084
133165992624,2cyclictest194428-21kworker/u16:4+events_unbound08:18:084
133165992624,2cyclictest175266-21kworker/u16:1+events_unbound08:59:244
133165992624,2cyclictest165738-21kworker/u16:0+flush-8:007:26:114
133165992623,2cyclictest415534-21kworker/u16:2+flush-8:009:57:014
5598112250,0chrt559812-21ssh10:26:457
133173992524,0cyclictest0-21swapper/711:14:387
133173992524,0cyclictest0-21swapper/709:22:497
133173992524,0cyclictest0-21swapper/708:46:037
133173992524,0cyclictest0-21swapper/708:36:427
133173992524,0cyclictest0-21swapper/707:51:257
133173992524,0cyclictest0-21swapper/707:43:447
133173992524,0cyclictest0-21swapper/707:39:497
133171992523,2cyclictest415534-21kworker/u16:2+events_unbound11:12:336
133171992523,2cyclictest223378-21kworker/u16:0+events_unbound08:03:366
133171992523,2cyclictest175266-21kworker/u16:1+events_unbound08:48:006
133171992523,2cyclictest175266-21kworker/u16:1+events_unbound08:25:296
133171992523,2cyclictest175266-21kworker/u16:1+events_unbound07:45:166
133167992523,2cyclictest85034-21kworker/u16:2+flush-8:007:11:515
133167992523,2cyclictest474488-21kworker/u16:3+events_unbound11:06:595
133165992523,2cyclictest788416-21kworker/u16:4+flush-8:012:26:534
133165992523,2cyclictest496689-21kworker/u16:1+events_unbound10:10:184
133165992523,2cyclictest474488-21kworker/u16:3+flush-8:010:02:344
133165992523,2cyclictest194428-21kworker/u16:4+events_unbound07:57:444
133165992523,2cyclictest194280-21kworker/u16:2+flush-8:007:40:014
133165992523,2cyclictest175266-21kworker/u16:1+events_unbound09:34:504
133165992523,2cyclictest175266-21kworker/u16:1+events_unbound09:34:504
133165992523,2cyclictest175266-21kworker/u16:1+events_unbound07:49:084
133165992522,2cyclictest366659-21kworker/u16:3+flush-8:009:31:224
133173992423,0cyclictest0-21swapper/710:41:217
133173992423,0cyclictest0-21swapper/709:56:187
133173992423,0cyclictest0-21swapper/708:23:037
133173992423,0cyclictest0-21swapper/707:17:377
133173992423,0cyclictest0-21swapper/707:07:397
133173992422,1cyclictest511219-21ssh10:05:417
133171992422,2cyclictest415534-21kworker/u16:2+events_unbound10:57:556
133171992422,2cyclictest328214-21kworker/u16:2+flush-8:008:44:216
133171992422,2cyclictest175266-21kworker/u16:1+events_unbound08:53:166
133165992422,2cyclictest692193-21kworker/u16:3+events_unbound11:45:014
133165992422,2cyclictest474488-21kworker/u16:3+events_unbound11:04:364
133165992422,2cyclictest4060181-21kworker/u16:3+events_unbound07:19:204
133165992422,2cyclictest388574-21kworker/u16:0+events_unbound09:24:034
133165992422,2cyclictest366659-21kworker/u16:3+events_unbound09:20:184
133165992422,2cyclictest194428-21kworker/u16:4+flush-8:008:22:404
133165992422,2cyclictest175266-21kworker/u16:1+events_unbound08:09:084
133173992322,0cyclictest0-21swapper/710:30:477
133173992322,0cyclictest0-21swapper/710:19:417
133173992322,0cyclictest0-21swapper/709:48:377
133171992321,2cyclictest716305-21kworker/u16:4+events_unbound11:47:476
133171992321,2cyclictest165738-21kworker/u16:0+flush-8:007:32:566
133167992321,2cyclictest496689-21kworker/u16:1+flush-8:010:37:015
133165992321,2cyclictest763673-21kworker/u16:0+flush-8:011:52:404
133165992321,2cyclictest366659-21kworker/u16:3+flush-8:009:07:494
133165992321,2cyclictest223378-21kworker/u16:0+events_unbound07:54:484
133165992321,2cyclictest175266-21kworker/u16:1+flush-8:009:42:384
133165992321,2cyclictest175266-21kworker/u16:1+flush-8:007:45:234
133165992320,2cyclictest113916-21kworker/u16:1+flush-8:007:11:474
133173992221,0cyclictest0-21swapper/712:36:227
133173992221,0cyclictest0-21swapper/708:11:517
133173992221,0cyclictest0-21swapper/708:03:057
133173992221,0cyclictest0-21swapper/707:24:037
133171992220,2cyclictest415534-21kworker/u16:2+events_unbound09:49:356
133171992220,2cyclictest175266-21kworker/u16:1+events_unbound08:08:256
133165992220,2cyclictest85034-21kworker/u16:2+events_unbound07:16:444
133165992220,2cyclictest692193-21kworker/u16:3+events_unbound11:38:014
133165992220,2cyclictest415534-21kworker/u16:2+events_unbound10:53:184
133165992220,2cyclictest415534-21kworker/u16:2+events_unbound10:53:184
133173992120,0cyclictest0-21swapper/709:17:437
133173992120,0cyclictest0-21swapper/709:03:247
133173992120,0cyclictest0-21swapper/708:21:197
133173992120,0cyclictest0-21swapper/707:35:207
133171992119,2cyclictest223378-21kworker/u16:0+events_unbound08:12:146
133171992119,2cyclictest165738-21kworker/u16:0+flush-8:007:25:416
133165992119,2cyclictest680072-21kworker/u16:1+flush-8:011:25:124
133165992119,2cyclictest656020-21kworker/u16:0+events_unbound11:09:414
133173992019,0cyclictest0-21swapper/711:25:227
133173992019,0cyclictest0-21swapper/707:53:017
133173992019,0cyclictest0-21swapper/707:13:587
133171992018,2cyclictest175266-21kworker/u16:1+events_unbound09:04:446
133167992018,2cyclictest175266-21kworker/u16:1+flush-8:008:42:025
133165992018,2cyclictest415534-21kworker/u16:2+events_unbound10:47:304
133173991918,0cyclictest0-21swapper/710:32:227
133173991918,0cyclictest0-21swapper/708:49:227
133173991918,0cyclictest0-21swapper/708:28:247
133171991917,2cyclictest113916-21kworker/u16:1+events_unbound07:08:246
133167991916,3cyclictest366659-21kworker/u16:3+flush-8:009:26:475
133167991916,2cyclictest788415-21kworker/u16:2+events_unbound12:07:005
133165991917,2cyclictest496689-21kworker/u16:1+events_unbound10:40:404
133173991817,0cyclictest0-21swapper/707:31:447
133173991817,0cyclictest0-21swapper/707:31:447
133171991816,2cyclictest175266-21kworker/u16:1+events_unbound08:38:006
133171991816,2cyclictest175266-21kworker/u16:1+events_unbound07:49:366
133167991815,2cyclictest165738-21kworker/u16:0+flush-8:007:27:125
133167991815,2cyclictest165738-21kworker/u16:0+flush-8:007:27:125
133167991814,3cyclictest716305-21kworker/u16:4+events_unbound11:46:595
133165991816,2cyclictest415534-21kworker/u16:2+flush-8:010:12:214
133165991816,2cyclictest415534-21kworker/u16:2+flush-8:010:12:214
13317399178,8cyclictest5849-21gmain12:17:157
133173991716,0cyclictest0-21swapper/712:24:367
133173991716,0cyclictest0-21swapper/708:00:217
133171991715,2cyclictest194280-21kworker/u16:2+events_unbound07:37:296
133167991715,2cyclictest175266-21kworker/u16:1+flush-8:008:02:125
133167991713,3cyclictest788416-21kworker/u16:4+flush-8:012:17:025
13316799170,3cyclictest190345-21cut07:32:065
133165991715,2cyclictest175266-21kworker/u16:1+events_unbound07:31:234
133165991715,2cyclictest175266-21kworker/u16:1+events_unbound07:31:234
133173991615,0cyclictest0-21swapper/712:27:327
133173991615,0cyclictest0-21swapper/711:42:047
133173991615,0cyclictest0-21swapper/711:10:217
133167991613,2cyclictest496689-21kworker/u16:1+flush-8:010:32:045
133173991512,2cyclictest1234-21snmpd09:27:277
13317399150,13cyclictest0-21swapper/711:47:117
133171991513,2cyclictest194428-21kworker/u16:4+events_unbound07:54:056
133167991514,1cyclictest850138-21kthreadcore12:27:055
133167991513,2cyclictest496689-21kworker/u16:1+flush-8:010:31:155
133167991512,2cyclictest692193-21kworker/u16:3+flush-8:011:52:045
133165991513,2cyclictest788416-21kworker/u16:4+events_unbound12:22:424
133167991413,1cyclictest0-21swapper/511:24:585
133167991410,3cyclictest513070-21cat10:07:015
13316799140,1cyclictest0-21swapper/509:50:035
13316799140,14cyclictest0-21swapper/512:15:355
13316799140,14cyclictest0-21swapper/511:13:275
13316799140,14cyclictest0-21swapper/510:54:425
13316799140,14cyclictest0-21swapper/510:54:425
133165991412,2cyclictest175266-21kworker/u16:1+flush-8:009:47:134
13316599140,14cyclictest0-21swapper/411:27:204
13317399139,3cyclictest798153-21sh12:02:357
13317399139,3cyclictest1234-21snmpd10:45:447
133173991312,0cyclictest0-21swapper/712:12:147
133173991311,1cyclictest788412-21latency_hist12:01:467
133173991311,1cyclictest0-21swapper/709:12:147
133167991312,1cyclictest0-21swapper/511:03:505
133167991312,1cyclictest0-21swapper/509:32:335
133167991312,1cyclictest0-21swapper/509:32:335
133167991312,1cyclictest0-21swapper/509:08:455
133167991312,1cyclictest0-21swapper/508:21:375
133167991310,2cyclictest85034-21kworker/u16:2+events_unbound07:17:015
13316799130,13cyclictest0-21swapper/509:58:445
13316799130,13cyclictest0-21swapper/509:41:335
13317399127,4cyclictest6382-21gvfs-afc-volume11:27:027
133173991211,0cyclictest0-21swapper/708:52:047
133167991211,1cyclictest0-21swapper/510:26:385
133167991210,2cyclictest241541-21kworker/u16:3+flush-8:007:57:585
133165991211,1cyclictest0-21swapper/411:51:374
13317399119,1cyclictest367438-21diskmemload09:56:597
13317399118,2cyclictest1234-21snmpd11:37:367
13317399114,6cyclictest6101-21gmain11:21:077
13316799119,2cyclictest415534-21kworker/u16:2+flush-8:009:27:115
133167991110,1cyclictest0-21swapper/511:36:195
133167991110,1cyclictest0-21swapper/510:45:335
133167991110,1cyclictest0-21swapper/509:16:385
133167991110,1cyclictest0-21swapper/508:32:295
13316599119,2cyclictest656020-21kworker/u16:0+flush-8:011:17:264
13316599119,2cyclictest496689-21kworker/u16:1+events_unbound10:32:514
1331679998,1cyclictest0-21swapper/510:16:425
1331679998,1cyclictest0-21swapper/510:16:425
1331679998,1cyclictest0-21swapper/508:58:025
1331679997,2cyclictest836380-21kworker/u16:0+flush-8:012:32:135
1331679997,2cyclictest474488-21kworker/u16:3+flush-8:010:02:125
1331679997,1cyclictest0-21swapper/508:47:045
1331679987,1cyclictest0-21swapper/512:26:465
1331679986,1cyclictest0-21swapper/508:37:005
1331679985,2cyclictest0-21swapper/509:17:005
1331679983,4cyclictest209218-21cut07:42:045
1331679983,4cyclictest199131-21cut07:37:075
1331679980,7cyclictest167339-21cut07:22:035
1331679980,7cyclictest0-21swapper/507:52:045
1331679980,5cyclictest459651-21cut09:42:075
1331679975,1cyclictest0-21swapper/512:02:005
1331679975,1cyclictest0-21swapper/510:17:025
1331679975,1cyclictest0-21swapper/509:02:035
1331679975,1cyclictest0-21swapper/507:47:035
1331679974,2cyclictest741310-21entropy11:41:595
1331679974,2cyclictest134009-21fschecks_count07:07:015
1331679973,3cyclictest339759-21cat08:52:025
1331679973,3cyclictest282897-21cut08:22:055
1331679973,3cyclictest263230-21sed08:12:025
1331679972,4cyclictest610285-21cat10:47:045
1331679972,4cyclictest298680-21cut08:27:075
1331679970,2cyclictest0-21swapper/508:07:045
1331679961,2cyclictest0-21swapper/511:17:265
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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