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2026-06-09 - 00:27
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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 Jun 08, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
360978725847,8sleep50-21swapper/507:06:225
360951825847,7sleep40-21swapper/407:02:364
3610075994846,2cyclictest3528114-21kworker/u16:0+flush-8:007:16:486
3610083994439,4cyclictest3680920-21latency_hist07:41:227
36097502414,32sleep70-21swapper/707:05:527
3610075993836,2cyclictest82144-21kworker/u16:1+events_unbound12:24:336
3610075993836,2cyclictest3973314-21kworker/u16:4+events_unbound10:06:216
3610075993832,6cyclictest3868097-21kworker/u16:0+events_unbound09:44:406
3610075993735,2cyclictest95288-21kworker/u16:2+events_unbound12:09:486
3610075993735,2cyclictest4167042-21kworker/u16:1+events_unbound11:22:366
3610075993735,2cyclictest4143322-21kworker/u16:2+events_unbound11:12:176
3610075993634,2cyclictest4191177-21kworker/u16:2+events_unbound11:32:136
3610075993634,2cyclictest3973314-21kworker/u16:4+events_unbound10:50:376
3610075993634,2cyclictest3973314-21kworker/u16:4+events_unbound10:26:176
3610075993533,2cyclictest82144-21kworker/u16:1+events_unbound12:31:126
3610075993533,2cyclictest4142164-21kworker/u16:0+events_unbound11:17:536
3610075993533,2cyclictest4119119-21kworker/u16:3+events_unbound11:08:576
3610066993533,2cyclictest3868097-21kworker/u16:0+events_unbound10:26:374
3610075993432,2cyclictest4142164-21kworker/u16:0+events_unbound11:29:176
3610075993432,2cyclictest3973314-21kworker/u16:4+events_unbound11:38:536
3610075993432,2cyclictest3962528-21kworker/u16:3+events_unbound09:55:016
3610075993432,2cyclictest3962528-21kworker/u16:3+events_unbound09:55:016
3610075993432,2cyclictest3928549-21kworker/u16:1+events_unbound09:57:496
3610075993432,2cyclictest3815363-21kworker/u16:2+flush-8:009:07:146
3610075993432,2cyclictest3681304-21kworker/u16:1+events_unbound09:12:256
3610075993432,2cyclictest3681304-21kworker/u16:1+events_unbound09:12:256
3610075993432,2cyclictest25542-21kworker/u16:6+events_unbound12:18:246
3610075993432,2cyclictest25542-21kworker/u16:6+events_unbound12:15:456
3610075993432,2cyclictest154592-21kworker/u16:2+events_unbound12:32:486
3610075993331,2cyclictest3880524-21kworker/u16:3+events_unbound09:34:456
3610075993230,2cyclictest3973314-21kworker/u16:4+events_unbound10:59:016
3610075993230,2cyclictest3973314-21kworker/u16:4+events_unbound10:30:256
3610083993129,1cyclictest3844199-21diskmemload10:58:117
3610075993129,2cyclictest4085134-21kworker/u16:1+events_unbound10:52:426
3610075993129,2cyclictest3973314-21kworker/u16:4+events_unbound11:54:416
3610075993129,2cyclictest3868097-21kworker/u16:0+events_unbound10:41:126
3610075993129,2cyclictest3868097-21kworker/u16:0+events_unbound10:41:126
3610075993129,2cyclictest3868097-21kworker/u16:0+events_unbound10:15:096
3610075993129,2cyclictest25542-21kworker/u16:6+events_unbound12:05:446
3610075993129,2cyclictest2180334-21kworker/u16:2+flush-8:007:11:276
3610070993128,3cyclictest4034856-21kworker/u16:2+flush-8:010:36:375
3610070993128,3cyclictest4034856-21kworker/u16:2+flush-8:010:36:375
361008399300,28cyclictest635-21systemd-journal07:26:237
3610075993028,2cyclictest3973314-21kworker/u16:4+events_unbound10:10:436
3610070993028,2cyclictest3528114-21kworker/u16:0+flush-8:007:56:375
3610066993027,2cyclictest2180334-21kworker/u16:2+events_unbound07:26:374
3610075992927,2cyclictest25542-21kworker/u16:6+events_unbound12:00:026
3610075992926,2cyclictest3528114-21kworker/u16:0+events_unbound07:36:246
3610070992927,2cyclictest82144-21kworker/u16:1+events_unbound12:24:515
3610070992927,2cyclictest3815363-21kworker/u16:2+events_unbound09:06:375
3610070992927,2cyclictest25542-21kworker/u16:6+flush-8:012:32:085
3610083992821,6cyclictest3964677-21latency_hist09:56:227
3610083992821,6cyclictest3964677-21latency_hist09:56:227
3610075992826,2cyclictest4034856-21kworker/u16:2+events_unbound10:42:236
3610075992826,2cyclictest3880524-21kworker/u16:3+events_unbound09:27:206
3610075992826,2cyclictest3868097-21kworker/u16:0+events_unbound09:17:396
3610075992826,2cyclictest3681304-21kworker/u16:1+events_unbound08:40:026
3610075992826,2cyclictest3681304-21kworker/u16:1+events_unbound08:20:026
3610075992822,6cyclictest3528114-21kworker/u16:0+flush-8:007:56:056
3610070992826,2cyclictest3973314-21kworker/u16:4+events_unbound11:23:395
3610070992826,2cyclictest3973314-21kworker/u16:4+events_unbound10:32:175
3610070992826,2cyclictest3681304-21kworker/u16:1+events_unbound07:44:425
360961622818,7sleep60-21swapper/607:03:586
3610075992725,2cyclictest3671363-21kworker/u16:2+events_unbound08:06:236
3610075992725,2cyclictest3528114-21kworker/u16:0+events_unbound08:01:056
3610075992724,2cyclictest3681304-21kworker/u16:1+events_unbound08:11:266
3610070992725,2cyclictest4119102-21kworker/u16:0+events_unbound10:58:325
3610070992725,2cyclictest3681304-21kworker/u16:1+events_unbound08:08:585
3610070992725,2cyclictest2180334-21kworker/u16:2+events_unbound07:18:585
3610083992622,3cyclictest4193501-21latency_hist11:31:227
361008399260,24cyclictest3904480-21latency_hist09:31:227
3610075992624,2cyclictest4191177-21kworker/u16:2+events_unbound11:50:356
3610075992624,2cyclictest3973314-21kworker/u16:4+events_unbound11:43:016
3610075992624,2cyclictest3868097-21kworker/u16:0+events_unbound10:34:266
3610075992624,2cyclictest3661557-21kworker/u16:3+events_unbound07:35:336
3610070992624,2cyclictest3880524-21kworker/u16:3+flush-8:009:32:165
3610070992624,2cyclictest3671363-21kworker/u16:2+events_unbound08:20:535
3610066992623,3cyclictest3868097-21kworker/u16:0+flush-8:009:21:484
3610083992519,5cyclictest3661749-21latency_hist07:31:227
3610070992523,2cyclictest4191177-21kworker/u16:2+flush-8:011:57:095
3610070992523,2cyclictest4142164-21kworker/u16:0+events_unbound11:41:225
3610070992523,2cyclictest3949444-21kworker/u16:2+events_unbound09:51:495
3610070992523,2cyclictest3949444-21kworker/u16:2+events_unbound09:51:495
3610070992523,2cyclictest3880524-21kworker/u16:3+events_unbound09:26:355
3610070992523,2cyclictest3690721-21kworker/u16:4+events_unbound07:54:485
3610070992523,2cyclictest3681304-21kworker/u16:1+events_unbound08:13:455
3610070992523,2cyclictest3528114-21kworker/u16:0+events_unbound07:49:125
3610070992523,2cyclictest3528114-21kworker/u16:0+events_unbound07:49:125
3610070992523,2cyclictest25542-21kworker/u16:6+flush-8:012:11:495
3610075992422,2cyclictest3973314-21kworker/u16:4+events_unbound10:17:316
3610075992422,2cyclictest3868097-21kworker/u16:0+events_unbound09:51:166
3610075992422,2cyclictest3815363-21kworker/u16:2+events_unbound09:04:016
3610075992422,2cyclictest3777020-21kworker/u16:4+events_unbound08:49:046
3610075992422,2cyclictest3758170-21kworker/u16:0+events_unbound08:30:376
3610075992422,2cyclictest3690721-21kworker/u16:4+events_unbound08:09:046
3610075992422,2cyclictest3681304-21kworker/u16:1+events_unbound07:46:026
3610075992422,2cyclictest3528114-21kworker/u16:0+events_unbound07:50:366
3610075992422,2cyclictest3528114-21kworker/u16:0+events_unbound07:50:366
3610070992422,2cyclictest3777020-21kworker/u16:4+events_unbound08:48:565
3610070992422,2cyclictest3690721-21kworker/u16:4+events_unbound08:06:165
3610070992422,2cyclictest3681304-21kworker/u16:1+flush-8:008:31:375
3610070992422,2cyclictest3681304-21kworker/u16:1+flush-8:008:31:375
3610070992422,2cyclictest3661557-21kworker/u16:3+events_unbound07:30:365
3610075992321,2cyclictest3868097-21kworker/u16:0+events_unbound09:38:366
3610075992321,2cyclictest3815363-21kworker/u16:2+events_unbound09:21:306
3610075992320,2cyclictest3681304-21kworker/u16:1+events_unbound08:31:326
3610075992320,2cyclictest3681304-21kworker/u16:1+events_unbound08:31:326
3610070992321,2cyclictest3973314-21kworker/u16:4+events_unbound10:27:105
3610070992321,2cyclictest3868097-21kworker/u16:0+events_unbound10:24:005
3610070992321,2cyclictest3528114-21kworker/u16:0+events_unbound07:07:575
3610075992220,2cyclictest3528114-21kworker/u16:0+events_unbound07:10:386
3610070992220,2cyclictest3796537-21kworker/u16:0+events_unbound08:44:425
3610070992220,2cyclictest3777019-21kworker/u16:3+events_unbound08:38:215
3610070992220,2cyclictest3758170-21kworker/u16:0+events_unbound08:27:265
3610070992220,2cyclictest3681304-21kworker/u16:1+flush-8:009:11:485
3610070992220,2cyclictest3681304-21kworker/u16:1+flush-8:009:11:485
3610070992220,2cyclictest3528114-21kworker/u16:0+events_unbound07:39:165
3610070992220,2cyclictest2180334-21kworker/u16:2+events_unbound07:13:025
3610070992219,2cyclictest3815530-21kworker/u16:3+events_unbound08:51:305
3610083992120,0cyclictest0-21swapper/710:41:367
3610083992120,0cyclictest0-21swapper/707:46:377
3610083992120,0cyclictest0-21swapper/707:46:377
3610083992119,1cyclictest4024809-21munin-run10:21:227
3610075992119,2cyclictest3973314-21kworker/u16:4+events_unbound11:02:196
3610070992119,2cyclictest2180334-21kworker/u16:2+events_unbound07:22:175
3610066992119,2cyclictest25542-21kworker/u16:6+events_unbound12:31:454
3610075992018,2cyclictest3777020-21kworker/u16:4+flush-8:008:57:036
3610075992018,2cyclictest3623667-21kworker/u16:1+events_unbound07:23:366
3610070992018,2cyclictest3880524-21kworker/u16:3+events_unbound09:45:385
3610070992018,2cyclictest3868097-21kworker/u16:0+flush-8:010:02:055
3610070992018,2cyclictest3815363-21kworker/u16:2+events_unbound09:02:135
3610066992018,2cyclictest3868097-21kworker/u16:0+flush-8:010:11:524
3610083991915,2cyclictest132672-21munin-run12:26:217
361008399190,17cyclictest0-21swapper/710:01:467
3610075991917,2cyclictest3681304-21kworker/u16:1+events_unbound08:21:386
3610070991917,2cyclictest25542-21kworker/u16:6+events_unbound11:46:235
38233612180,1sleep70-21swapper/708:51:437
3610083991816,1cyclictest0-21swapper/712:11:227
3610075991816,2cyclictest3815363-21kworker/u16:2+events_unbound08:53:066
3610075991816,2cyclictest3777020-21kworker/u16:4+events_unbound08:42:546
3610070991816,2cyclictest4034856-21kworker/u16:2+flush-8:010:42:105
3610070991816,2cyclictest3777020-21kworker/u16:4+events_unbound08:59:155
3610070991715,2cyclictest4167042-21kworker/u16:1+flush-8:011:17:215
3610070991715,2cyclictest3528114-21kworker/u16:0+events_unbound07:32:085
3610070991715,2cyclictest25542-21kworker/u16:6+events_unbound12:06:505
3610066991714,2cyclictest3928549-21kworker/u16:1+flush-8:009:56:224
3610066991714,2cyclictest3928549-21kworker/u16:1+flush-8:009:56:224
3610083991615,0cyclictest0-21swapper/710:51:367
3610083991615,0cyclictest0-21swapper/707:31:387
3610083991612,3cyclictest1234-21snmpd11:36:397
3610083991610,5cyclictest635-21systemd-journal10:46:227
3610083991610,5cyclictest3976690-21latency_hist10:01:227
361008399160,14cyclictest4169380-21latency_hist11:21:227
361008399160,14cyclictest36185582chrt07:06:477
361008399160,14cyclictest0-21swapper/711:41:477
3610070991614,2cyclictest3868097-21kworker/u16:0+events_unbound10:11:405
3610070991614,2cyclictest3681304-21kworker/u16:1+events_unbound08:23:265
361006699160,1cyclictest0-21swapper/410:06:454
3610083991513,1cyclictest0-21swapper/711:56:467
3610083991513,1cyclictest0-21swapper/709:41:467
3610083991513,1cyclictest0-21swapper/708:36:457
3610070991513,2cyclictest82144-21kworker/u16:1+flush-8:012:26:465
361007099150,1cyclictest0-21swapper/509:50:065
361008399146,7cyclictest6382-21gvfs-afc-volume11:33:437
3610083991413,0cyclictest0-21swapper/709:47:037
3610083991413,0cyclictest0-21swapper/709:23:527
3610083991411,2cyclictest0-21swapper/712:16:227
361008399140,1cyclictest0-21swapper/712:06:487
361008399140,1cyclictest0-21swapper/710:36:467
361008399140,1cyclictest0-21swapper/710:36:467
361008399140,1cyclictest0-21swapper/708:06:477
361008399140,13cyclictest0-21swapper/712:31:477
361008399140,13cyclictest0-21swapper/709:01:457
361008399140,12cyclictest3757791-21latency_hist08:21:227
3610075991412,2cyclictest3623667-21kworker/u16:1+events_unbound07:28:446
3610070991413,1cyclictest0-21swapper/511:09:155
3610070991412,2cyclictest4167042-21kworker/u16:1+flush-8:011:26:445
3610070991412,2cyclictest4085134-21kworker/u16:1+flush-8:010:51:575
3610070991412,2cyclictest3973314-21kworker/u16:4+events_unbound10:09:505
3610070991412,2cyclictest3868097-21kworker/u16:0+events_unbound10:18:525
3610070991412,2cyclictest3868097-21kworker/u16:0+events_unbound09:16:455
3610070991412,2cyclictest108264-21kworker/u16:0+events_unbound12:19:225
3610066991413,1cyclictest0-21swapper/412:01:444
3610066991413,1cyclictest0-21swapper/411:40:084
3610066991413,1cyclictest0-21swapper/410:55:404
361006699140,1cyclictest0-21swapper/412:17:494
361006699140,1cyclictest0-21swapper/411:25:094
361006699140,1cyclictest0-21swapper/409:15:054
361006699140,1cyclictest0-21swapper/409:15:054
361006699140,1cyclictest0-21swapper/407:51:224
361006699140,1cyclictest0-21swapper/407:51:224
361006699140,14cyclictest0-21swapper/410:41:464
361006699140,14cyclictest0-21swapper/409:44:444
361006699140,14cyclictest0-21swapper/409:34:484
361008399139,3cyclictest1234-21snmpd12:28:567
361008399139,3cyclictest1234-21snmpd09:00:447
361008399139,3cyclictest1234-21snmpd08:16:007
361008399139,3cyclictest1234-21snmpd07:56:067
361008399137,5cyclictest3690540-21latency_hist07:46:227
3610083991311,1cyclictest46181-21ssh11:47:177
361008399130,11cyclictest2358-21crond08:21:227
3610070991311,2cyclictest60798-21kworker/u16:0+events_unbound12:05:535
3610070991311,2cyclictest3973314-21kworker/u16:4+flush-8:009:57:045
3610070991311,2cyclictest3973314-21kworker/u16:4+events_unbound11:02:155
3610070991310,2cyclictest3973314-21kworker/u16:4+flush-8:011:41:335
361007099130,13cyclictest0-21swapper/510:46:475
361007099130,13cyclictest0-21swapper/509:38:075
3610066991312,1cyclictest0-21swapper/410:18:374
3610066991311,2cyclictest3973314-21kworker/u16:4+flush-8:011:06:484
3610066991310,2cyclictest82144-21kworker/u16:1+events_unbound12:26:364
361008399129,2cyclictest1234-21snmpd08:42:587
361008399129,2cyclictest1234-21snmpd08:26:557
361008399128,3cyclictest1234-21snmpd09:19:207
361008399128,3cyclictest1234-21snmpd08:01:307
361008399128,3cyclictest1234-21snmpd07:57:277
361008399128,3cyclictest1234-21snmpd07:13:387
361008399127,4cyclictest60373-21latency_hist11:56:227
361008399126,5cyclictest6382-21gvfs-afc-volume10:27:057
361008399126,5cyclictest5849-21gmain08:31:407
361008399126,5cyclictest5849-21gmain08:31:407
3610083991211,0cyclictest0-21swapper/710:12:357
3610083991210,1cyclictest0-21swapper/712:01:567
361008399120,11cyclictest4060942-21turbostat10:36:217
361008399120,11cyclictest1234-21snmpd09:10:567
3610070991210,2cyclictest3815363-21kworker/u16:2+events_unbound09:25:075
361006699129,2cyclictest125598-21kthreadcore12:21:414
361006699128,3cyclictest4146581-21cat11:11:354
3610066991211,1cyclictest0-21swapper/408:20:324
361006699120,1cyclictest0-21swapper/408:34:534
361006699120,1cyclictest0-21swapper/408:34:534
361008399118,2cyclictest1234-21snmpd10:25:167
361008399118,2cyclictest0-21swapper/711:01:377
361008399117,3cyclictest1234-21snmpd09:13:057
361008399117,3cyclictest1234-21snmpd09:13:057
361008399117,3cyclictest1234-21snmpd07:20:597
361008399116,4cyclictest3914309-21ssh09:32:177
361008399114,5cyclictest6382-21gvfs-afc-volume10:06:377
361007099119,2cyclictest3973314-21kworker/u16:4+events_unbound11:55:165
361007099119,2cyclictest3973314-21kworker/u16:4+events_unbound11:14:045
361006699118,3cyclictest4085134-21kworker/u16:1+events_unbound10:56:404
3610066991110,1cyclictest0-21swapper/408:49:144
3610066991110,1cyclictest0-21swapper/408:06:024
3610066991110,1cyclictest0-21swapper/407:26:184
361006699110,11cyclictest0-21swapper/409:04:034
361008399107,2cyclictest0-21swapper/711:11:497
361008399107,2cyclictest0-21swapper/711:06:487
361008399106,3cyclictest6382-21gvfs-afc-volume08:46:397
361008399105,4cyclictest4172010-21cat11:21:377
361008399100,9cyclictest1234-21snmpd09:38:397
361007099108,2cyclictest4142164-21kworker/u16:0+events_unbound11:34:065
361006699108,2cyclictest3868097-21kworker/u16:0+events_unbound10:46:464
361006699104,3cyclictest3868097-21kworker/u16:0+flush-8:009:36:484
36100669996,2cyclictest3796543-21/usr/sbin/munin08:41:364
36100669994,4cyclictest4067014-21grep10:36:414
36100669994,4cyclictest4067014-21grep10:36:414
36100669994,4cyclictest3949841-21sed09:46:494
36100669990,8cyclictest0-21swapper/407:51:404
36100669985,2cyclictest0-21swapper/411:26:394
36100669985,2cyclictest0-21swapper/409:06:414
36100669984,3cyclictest3894981-21grep09:26:384
36100669984,3cyclictest3763685-21kthreadcore08:21:414
36100669984,3cyclictest3611087-21cat07:06:384
36100669983,4cyclictest62108-21cut11:56:384
36100669983,4cyclictest4122158-21cat11:01:354
36100669983,4cyclictest3966180-21sed09:56:374
36100669983,4cyclictest3824184-21sendmail_mailtr08:51:494
36100669983,4cyclictest3768227-21cat08:26:344
36100669983,4cyclictest3730179-21iostat08:06:374
36100669983,4cyclictest3718345-21cat07:56:434
36100669983,4cyclictest3675390-21kthreadcore07:36:414
36100669983,4cyclictest3636162-21grep07:16:404
36100669983,4cyclictest3630801-21cut07:11:424
36100669980,7cyclictest0-21swapper/411:51:394
36100669980,7cyclictest0-21swapper/408:36:394
36100669980,4cyclictest3984886-21cut10:01:434
36100669980,2cyclictest0-21swapper/412:06:424
36100669980,2cyclictest0-21swapper/409:20:004
36100669975,1cyclictest0-21swapper/407:41:384
36100669974,2cyclictest3743490-21kthreadcore08:11:414
36100669973,3cyclictest97123-21cpuspeed_turbos12:11:344
36100669973,3cyclictest3826297-21irqcore08:56:374
36100669973,3cyclictest26165-21cut11:41:404
36100669972,4cyclictest510-21df11:31:354
36100669972,4cyclictest4049493-21sort10:31:354
36100669972,4cyclictest37163-21expr11:46:334
36100669970,6cyclictest0-21swapper/407:31:364
36100669970,3cyclictest4158644-21if_err_p4p111:16:384
36100669963,2cyclictest4025369-21cpuspeed_turbos10:21:334
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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