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2026-09-07 - 14:38
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Mon Sep 07, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6357521010,1sleep763577-21sh11:24:357
40423992980,1sleep74042401-21cut09:59:327
367995425746,8sleep50-21swapper/507:06:395
36794872443,30sleep70-21swapper/707:04:487
368008624332,8sleep60-21swapper/607:08:326
368003724331,8sleep40-21swapper/407:07:504
3680417994037,2cyclictest4101464-21kworker/u16:3+events_unbound10:59:295
3680418993937,2cyclictest17128-21kworker/u16:2+events_unbound12:17:056
3680417993937,2cyclictest3907092-21kworker/u16:1+events_unbound09:13:585
3680419993834,3cyclictest126-21kswapd011:06:307
3680418993836,2cyclictest80442-21kworker/u16:3+events_unbound11:51:386
3680417993836,2cyclictest4101465-21kworker/u16:4+events_unbound10:47:425
3680417993836,2cyclictest4028044-21kworker/u16:5+events_unbound10:07:055
3680417993836,2cyclictest3966130-21kworker/u16:4+events_unbound10:00:155
3680417993835,2cyclictest4003020-21kworker/u16:1+flush-8:009:49:275
3680418993735,2cyclictest4101465-21kworker/u16:4+flush-8:011:04:276
3680418993735,2cyclictest4003020-21kworker/u16:1+events_unbound10:29:026
3680417993734,2cyclictest3680171-21kworker/u16:0+events_unbound08:19:145
3680418993634,2cyclictest4101464-21kworker/u16:3+events_unbound10:35:026
3680418993634,2cyclictest3941811-21kworker/u16:3+events_unbound09:42:186
3680417993634,2cyclictest4086628-21kworker/u16:0+events_unbound10:22:295
3680417993634,2cyclictest236548-21kworker/u16:1+events_unbound12:36:335
3680418993533,2cyclictest80442-21kworker/u16:3+events_unbound12:10:576
3680418993533,2cyclictest4101465-21kworker/u16:4+events_unbound10:42:216
3680418993533,2cyclictest4003020-21kworker/u16:1+events_unbound10:20:186
3680418993533,2cyclictest3941811-21kworker/u16:3+events_unbound09:25:186
3680418993533,2cyclictest3858714-21kworker/u16:2+events_unbound09:36:066
3680418993533,2cyclictest17128-21kworker/u16:2+events_unbound11:25:586
3680418993533,2cyclictest117246-21kworker/u16:1+events_unbound12:22:216
3680417993533,2cyclictest4101465-21kworker/u16:4+events_unbound10:51:585
3680417993533,2cyclictest4101464-21kworker/u16:3+events_unbound10:56:145
3680417993533,2cyclictest4101464-21kworker/u16:3+events_unbound10:35:065
3680417993533,2cyclictest3858714-21kworker/u16:2+events_unbound09:37:585
3680417993533,2cyclictest3848195-21kworker/u16:0+events_unbound09:17:015
3680417993533,2cyclictest31375-21kworker/u16:0+events_unbound11:25:375
3680418993432,2cyclictest4101464-21kworker/u16:3+events_unbound11:02:256
3680418993432,2cyclictest3966130-21kworker/u16:4+events_unbound09:55:576
3680418993432,2cyclictest3670188-21kworker/u16:1+events_unbound07:29:406
3680418993432,2cyclictest216193-21kworker/u16:4+events_unbound12:38:056
3680417993432,2cyclictest80442-21kworker/u16:3+events_unbound12:12:215
3680417993432,2cyclictest4101465-21kworker/u16:4+events_unbound10:42:105
3680417993432,2cyclictest4003020-21kworker/u16:1+events_unbound10:18:045
3680417993432,2cyclictest3858714-21kworker/u16:2+events_unbound09:40:055
3680417993432,2cyclictest3858714-21kworker/u16:2+events_unbound09:32:455
3680417993432,2cyclictest31375-21kworker/u16:0+events_unbound11:43:245
3680418993331,2cyclictest4003020-21kworker/u16:1+events_unbound11:10:106
3680418993331,2cyclictest4003020-21kworker/u16:1+events_unbound10:17:266
3680418993331,2cyclictest3761914-21kworker/u16:3+events_unbound07:51:316
3680418993331,2cyclictest17128-21kworker/u16:2+events_unbound11:42:176
3680418993330,2cyclictest3941811-21kworker/u16:3+events_unbound09:44:216
3680417993331,2cyclictest4003020-21kworker/u16:1+events_unbound11:12:535
3680417993331,2cyclictest3941811-21kworker/u16:3+events_unbound09:58:545
3680417993331,2cyclictest3848195-21kworker/u16:0+events_unbound09:25:415
3680417993331,2cyclictest3761914-21kworker/u16:3+flush-8:007:54:355
3680417993331,2cyclictest3742381-21kworker/u16:2+events_unbound07:46:305
3680417993331,2cyclictest17128-21kworker/u16:2+events_unbound11:50:405
3680417993331,2cyclictest17128-21kworker/u16:2+events_unbound11:22:295
3680417993331,2cyclictest17128-21kworker/u16:2+events_unbound11:08:545
3680418993230,2cyclictest4101464-21kworker/u16:3+events_unbound10:29:576
3680418993230,2cyclictest4028044-21kworker/u16:5+events_unbound10:01:056
3680418993230,2cyclictest4003020-21kworker/u16:1+events_unbound09:52:266
3680418993230,2cyclictest3966130-21kworker/u16:4+events_unbound09:31:046
3680418993230,2cyclictest3941811-21kworker/u16:3+events_unbound09:19:456
3680418993230,2cyclictest3848195-21kworker/u16:0+events_unbound09:10:216
3680418993230,2cyclictest31375-21kworker/u16:0+events_unbound11:46:206
3680418993230,2cyclictest17227-21kworker/u16:5+events_unbound11:16:146
3680417993230,2cyclictest52727-21kworker/u16:1+events_unbound11:30:365
3680417993230,2cyclictest3761914-21kworker/u16:3+events_unbound08:53:345
3680417993230,2cyclictest31375-21kworker/u16:0+events_unbound11:35:375
3680417993230,2cyclictest17227-21kworker/u16:5+events_unbound11:18:465
3680417993229,2cyclictest17128-21kworker/u16:2+events_unbound12:24:285
3680419993128,2cyclictest5701-21gnome-shell11:21:217
368041999310,29cyclictest648-21systemd-journal07:34:137
3680418993129,2cyclictest3848195-21kworker/u16:0+events_unbound08:36:346
3680417993129,2cyclictest4101465-21kworker/u16:4+flush-8:010:29:285
3680417993129,2cyclictest3966130-21kworker/u16:4+events_unbound10:12:245
3680417993129,2cyclictest117246-21kworker/u16:1+events_unbound12:14:465
3680418993028,2cyclictest4003020-21kworker/u16:1+events_unbound10:07:036
3680418993028,2cyclictest3848195-21kworker/u16:0+events_unbound08:44:506
3680418993028,2cyclictest3761914-21kworker/u16:3+events_unbound08:11:316
3680418993028,2cyclictest17128-21kworker/u16:2+events_unbound12:30:326
3680417993028,2cyclictest80442-21kworker/u16:3+events_unbound11:56:315
3680417993028,2cyclictest17128-21kworker/u16:2+events_unbound11:47:525
368041999290,27cyclictest4039865-21latency_hist09:59:127
3680418992927,2cyclictest4003020-21kworker/u16:1+events_unbound10:46:346
3680418992927,2cyclictest3848195-21kworker/u16:0+events_unbound08:32:306
3680417992927,2cyclictest4101463-21kworker/u16:2+events_unbound10:28:195
3680417992927,2cyclictest3941811-21kworker/u16:3+flush-8:009:19:385
3680417992927,2cyclictest3848195-21kworker/u16:0+events_unbound09:05:315
3680417992927,2cyclictest3670188-21kworker/u16:1+events_unbound07:18:305
3680417992927,2cyclictest17128-21kworker/u16:2+events_unbound12:19:435
3680417992927,2cyclictest17128-21kworker/u16:2+events_unbound12:05:525
3680418992826,2cyclictest80442-21kworker/u16:3+events_unbound12:06:316
3680418992826,2cyclictest4028044-21kworker/u16:5+events_unbound10:14:036
3680418992826,2cyclictest3848195-21kworker/u16:0+events_unbound08:39:366
3680418992825,2cyclictest3829760-21kworker/u16:2+events_unbound08:24:156
3680417992826,2cyclictest17128-21kworker/u16:2+events_unbound12:30:265
3680418992725,2cyclictest4101464-21kworker/u16:3+flush-8:010:54:486
3680418992725,2cyclictest3858714-21kworker/u16:2+events_unbound09:15:396
3680418992725,2cyclictest3761914-21kworker/u16:3+events_unbound08:17:296
3680417992725,2cyclictest3941811-21kworker/u16:3+events_unbound09:45:105
3680417992725,2cyclictest3848195-21kworker/u16:0+events_unbound08:59:245
3680417992725,2cyclictest3680171-21kworker/u16:0+flush-8:008:00:335
3680416992725,2cyclictest4003020-21kworker/u16:1+flush-8:010:15:064
3680416992725,2cyclictest117246-21kworker/u16:1+events_unbound11:59:474
3680418992624,2cyclictest52727-21kworker/u16:1+events_unbound11:31:116
3680418992624,2cyclictest17128-21kworker/u16:2+flush-8:011:54:316
3680418992624,2cyclictest17128-21kworker/u16:2+events_unbound12:28:236
3680418992624,2cyclictest117246-21kworker/u16:1+events_unbound12:03:356
3680418992620,6cyclictest17128-21kworker/u16:2+events_unbound11:36:396
3680417992624,2cyclictest3848195-21kworker/u16:0+events_unbound08:32:265
3680417992624,2cyclictest3761914-21kworker/u16:3+events_unbound08:34:505
3680418992523,2cyclictest4101464-21kworker/u16:3+events_unbound10:51:356
3680418992523,2cyclictest3761914-21kworker/u16:3+events_unbound08:07:336
3680418992523,2cyclictest3670188-21kworker/u16:1+events_unbound07:26:506
3680417992523,2cyclictest3761914-21kworker/u16:3+events_unbound08:09:225
3680417992523,2cyclictest3761914-21kworker/u16:3+events_unbound08:06:425
3680417992523,2cyclictest3742381-21kworker/u16:2+events_unbound07:50:335
3680417992523,2cyclictest3742381-21kworker/u16:2+events_unbound07:39:425
3680417992523,2cyclictest3670188-21kworker/u16:1+events_unbound07:22:055
3680417992523,2cyclictest117246-21kworker/u16:1+events_unbound11:59:415
3680418992422,2cyclictest52727-21kworker/u16:1+events_unbound11:22:066
3680418992422,2cyclictest3848195-21kworker/u16:0+events_unbound09:05:536
3680418992422,2cyclictest3761914-21kworker/u16:3+events_unbound09:03:266
3680418992422,2cyclictest3761914-21kworker/u16:3+events_unbound08:56:266
3680418992422,2cyclictest3670188-21kworker/u16:1+events_unbound07:47:336
3680418992422,2cyclictest3670188-21kworker/u16:1+events_unbound07:43:346
3680417992422,2cyclictest3713319-21kworker/u16:4+events_unbound07:32:265
3680416992422,2cyclictest4101465-21kworker/u16:4+events_unbound10:35:154
3680418992321,2cyclictest3742381-21kworker/u16:2+events_unbound08:04:026
3680416992321,2cyclictest4003020-21kworker/u16:1+events_unbound10:05:064
3680416992321,2cyclictest2722894-21kworker/u16:2+events_unbound07:23:094
3680418992220,2cyclictest3848195-21kworker/u16:0+events_unbound08:54:116
3680418992220,2cyclictest3761914-21kworker/u16:3+events_unbound07:55:346
3680417992220,2cyclictest3680171-21kworker/u16:0+events_unbound08:18:535
3680417992220,2cyclictest3680171-21kworker/u16:0+events_unbound07:35:385
3680417992220,2cyclictest3670188-21kworker/u16:1+events_unbound07:25:435
3680416992220,2cyclictest3848195-21kworker/u16:0+events_unbound08:35:414
3680416992220,2cyclictest3761914-21kworker/u16:3+events_unbound08:55:454
3680416992220,2cyclictest3680171-21kworker/u16:0+flush-8:008:19:384
3680418992119,2cyclictest3761914-21kworker/u16:3+events_unbound08:21:536
3680418992119,2cyclictest3670188-21kworker/u16:1+events_unbound07:37:336
3680417992119,2cyclictest3809827-21kworker/u16:1+events_unbound08:25:265
3680417992119,2cyclictest3761914-21kworker/u16:3+events_unbound08:57:505
3680417992119,2cyclictest3761914-21kworker/u16:3+events_unbound08:45:495
3680417992119,2cyclictest2722894-21kworker/u16:2+events_unbound07:12:265
3680417992119,2cyclictest2722894-21kworker/u16:2+events_unbound07:12:265
3680416992119,2cyclictest3680171-21kworker/u16:0+events_unbound07:58:574
3680416992119,2cyclictest3670188-21kworker/u16:1+events_unbound07:42:124
3680416992119,2cyclictest3670188-21kworker/u16:1+events_unbound07:39:034
3680416992119,2cyclictest3670188-21kworker/u16:1+events_unbound07:18:324
3680416992119,2cyclictest31375-21kworker/u16:0+events_unbound11:44:524
3680419992019,0cyclictest0-21swapper/708:44:297
3680418992018,2cyclictest3703209-21kworker/u16:3+events_unbound07:19:096
3680418992018,2cyclictest2722894-21kworker/u16:2+events_unbound07:22:346
3680417992018,2cyclictest3848195-21kworker/u16:0+events_unbound08:41:105
3680416992018,2cyclictest4101464-21kworker/u16:3+events_unbound11:06:264
3680416992018,2cyclictest4003020-21kworker/u16:1+flush-8:010:09:224
3680416992018,2cyclictest31375-21kworker/u16:0+events_unbound11:39:514
3680419991918,0cyclictest0-21swapper/707:24:417
3680419991914,4cyclictest3897409-21latency_hist08:59:127
3680418991917,2cyclictest2722894-21kworker/u16:2+events_unbound07:13:116
3680418991917,2cyclictest2722894-21kworker/u16:2+events_unbound07:13:116
3680416991917,2cyclictest4101464-21kworker/u16:3+flush-8:010:59:124
3680416991917,2cyclictest3858714-21kworker/u16:2+events_unbound09:03:404
3680416991917,2cyclictest3848195-21kworker/u16:0+events_unbound09:24:504
3680416991917,2cyclictest3761914-21kworker/u16:3+events_unbound08:25:324
3680416991917,2cyclictest3742381-21kworker/u16:2+events_unbound08:07:484
3680416991917,2cyclictest17128-21kworker/u16:2+events_unbound11:34:484
368041999180,16cyclictest3761693-21latency_hist07:49:127
368041999180,16cyclictest1277-21snmpd07:31:437
3680416991816,2cyclictest4101464-21kworker/u16:3+flush-8:010:39:504
3680416991816,2cyclictest3761914-21kworker/u16:3+events_unbound08:46:244
3680416991816,2cyclictest3761914-21kworker/u16:3+events_unbound08:40:444
3680416991816,2cyclictest3742381-21kworker/u16:2+events_unbound07:46:284
3680416991816,2cyclictest3713319-21kworker/u16:4+events_unbound07:28:004
3680416991816,2cyclictest3670188-21kworker/u16:1+events_unbound07:30:354
3680416991816,2cyclictest17128-21kworker/u16:2+events_unbound12:29:514
3680419991713,3cyclictest1277-21snmpd07:11:167
3680419991713,3cyclictest1277-21snmpd07:11:167
3680419991712,4cyclictest43558-21latency_hist11:19:117
3680416991715,2cyclictest3848195-21kworker/u16:0+events_unbound09:09:514
3680416991715,2cyclictest3848195-21kworker/u16:0+events_unbound09:07:404
3680416991715,2cyclictest3761914-21kworker/u16:3+events_unbound08:50:364
3680416991715,2cyclictest3761914-21kworker/u16:3+events_unbound08:11:084
3680416991715,2cyclictest3761914-21kworker/u16:3+events_unbound07:49:304
3680419991615,0cyclictest0-21swapper/707:49:307
3680419991612,2cyclictest4175221-21ssh10:54:127
3680416991614,2cyclictest3858714-21kworker/u16:2+events_unbound09:20:154
3680416991614,2cyclictest3809827-21kworker/u16:1+flush-8:008:29:464
3680416991614,2cyclictest3742381-21kworker/u16:2+events_unbound08:03:074
3680416991613,2cyclictest3966130-21kworker/u16:4+flush-8:009:54:234
3680419991513,1cyclictest4027756-21latency_hist09:54:137
3680419991512,2cyclictest0-21swapper/711:09:417
3680419991512,2cyclictest0-21swapper/710:59:127
368041999150,13cyclictest240337-21latency_hist12:39:117
3680416991513,2cyclictest4003020-21kworker/u16:1+events_unbound10:24:404
3680416991513,2cyclictest3941811-21kworker/u16:3+events_unbound09:44:314
3680416991513,2cyclictest2722894-21kworker/u16:2+events_unbound07:11:004
3680416991513,2cyclictest2722894-21kworker/u16:2+events_unbound07:11:004
3680416991512,2cyclictest3966130-21kworker/u16:4+events_unbound09:34:274
368041999144,5cyclictest6175-21gvfs-afc-volume07:59:347
3680419991411,2cyclictest1277-21snmpd09:03:547
368041999140,1cyclictest0-21swapper/709:04:377
368041999140,13cyclictest4089077-21turbostat10:19:127
368041999140,13cyclictest3752063-21turbostat07:44:127
3680416991413,1cyclictest0-21swapper/412:25:464
3680416991413,1cyclictest0-21swapper/411:31:414
3680416991412,2cyclictest4101464-21kworker/u16:3+events_unbound10:29:334
3680416991412,2cyclictest3761914-21kworker/u16:3+events_unbound08:16:364
368041699140,1cyclictest0-21swapper/411:56:074
368041699140,1cyclictest0-21swapper/411:27:264
368041699140,1cyclictest0-21swapper/411:16:144
368041699140,1cyclictest0-21swapper/409:53:004
368041699140,14cyclictest0-21swapper/412:16:474
368041999139,3cyclictest130836-21cat11:54:287
368041999138,4cyclictest4090389-21cat10:19:287
3680419991311,1cyclictest0-21swapper/709:44:417
368041999130,11cyclictest185416-21cut12:14:347
3680416991312,1cyclictest0-21swapper/411:49:304
3680416991312,1cyclictest0-21swapper/411:01:354
3680416991311,2cyclictest3907092-21kworker/u16:1+events_unbound09:16:054
3680416991311,2cyclictest117246-21kworker/u16:1+events_unbound12:19:584
3680416991310,2cyclictest4003020-21kworker/u16:1+events_unbound10:19:144
3680416991310,2cyclictest4003020-21kworker/u16:1+events_unbound09:59:244
368041999129,2cyclictest1277-21snmpd12:27:307
368041999129,2cyclictest1277-21snmpd10:08:567
368041999129,2cyclictest0-21swapper/710:34:337
368041999128,3cyclictest4114970-21cat10:29:277
368041999128,3cyclictest1277-21snmpd09:39:347
368041999128,3cyclictest1277-21snmpd08:53:277
368041999127,4cyclictest6175-21gvfs-afc-volume08:34:277
368041999127,4cyclictest216941-21tune2fs12:29:257
368041999123,8cyclictest5994-21gmain08:04:257
3680419991211,0cyclictest0-21swapper/708:24:307
368041999120,3cyclictest165736-21ssh12:07:557
368041999120,2cyclictest87495-21grep11:34:347
368041999120,2cyclictest4160547-21ssh10:44:567
368041999120,2cyclictest3987525-21ntpq09:34:417
368041999120,2cyclictest3958484-21cat09:24:337
368041999120,11cyclictest4102341-21df10:24:257
368041999120,11cyclictest4073605-21ntpq10:09:407
368041699129,2cyclictest17128-21kworker/u16:2+events_unbound11:09:184
3680416991211,1cyclictest0-21swapper/411:20:304
3680416991211,1cyclictest0-21swapper/410:47:424
3680416991210,2cyclictest3941811-21kworker/u16:3+events_unbound09:42:164
3680416991210,2cyclictest3858714-21kworker/u16:2+events_unbound09:29:304
368041999119,1cyclictest0-21swapper/712:19:377
368041999118,2cyclictest1277-21snmpd11:44:207
368041999118,2cyclictest0-21swapper/707:19:297
368041999117,3cyclictest1277-21snmpd11:04:077
368041999117,3cyclictest1277-21snmpd10:44:067
368041999117,3cyclictest1277-21snmpd09:14:257
368041999117,3cyclictest1277-21snmpd08:42:277
368041999110,2cyclictest79073-21sh11:31:507
368041999110,1cyclictest128478-21ssh11:52:217
368041999110,10cyclictest1277-21snmpd09:09:247
368041699119,2cyclictest80442-21kworker/u16:3+events_unbound12:10:534
368041699119,2cyclictest4101464-21kworker/u16:3+events_unbound10:52:334
368041699119,2cyclictest17128-21kworker/u16:2+flush-8:012:34:564
368041999109,0cyclictest0-21swapper/708:19:167
368041999108,1cyclictest0-21swapper/712:09:247
368041999107,2cyclictest1277-21snmpd08:31:237
368041999106,3cyclictest1277-21snmpd08:09:387
368041999105,4cyclictest6175-21gvfs-afc-volume07:14:397
368041999105,4cyclictest3967340-21cat09:29:287
368041999104,5cyclictest3779377-21cut07:54:347
368041999104,4cyclictest93728-21forks11:39:267
368041999100,2cyclictest3946444-21cut09:19:347
36804199996,2cyclictest0-21swapper/708:14:377
36804199994,4cyclictest143141-21cat11:59:277
36804169987,1cyclictest0-21swapper/412:05:074
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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