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2026-04-14 - 19:52
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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 Tue Apr 14, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
339714425026,8sleep40-21swapper/407:01:184
3397463994946,2cyclictest3824628-21kworker/u16:2+flush-8:010:51:475
3397460994845,2cyclictest3678467-21fwupd09:23:504
339702324813,30sleep70-21swapper/706:59:377
37388572460,1sleep73738858-21ssh09:45:237
3397463994644,2cyclictest3752064-21kworker/u16:1+flush-8:011:41:475
339691724534,7sleep50-21swapper/506:58:065
3397468994241,1cyclictest3573505-21kworker/u16:1+events_unbound09:23:486
339717624232,7sleep60-21swapper/607:01:446
3397476994140,0cyclictest0-21swapper/712:22:157
3397463994138,2cyclictest3738862-21kworker/u16:0+flush-8:010:26:475
3397468993937,2cyclictest3496510-21kworker/u16:0+flush-8:008:26:476
3397468993836,2cyclictest4003041-21kworker/u16:0+events_unbound11:46:166
3397468993836,2cyclictest3678520-21kworker/u16:5+events_unbound09:30:116
3397463993834,3cyclictest3678467-21fwupd09:21:195
3397476993734,2cyclictest3881439-21ssh10:42:107
339747699360,34cyclictest6471-21gnome-software09:21:217
3397468993634,2cyclictest4075255-21kworker/u16:1+events_unbound12:03:086
3397468993634,2cyclictest4003041-21kworker/u16:0+events_unbound12:24:246
3397468993634,2cyclictest3942535-21kworker/u16:5+events_unbound11:40:166
3397463993634,2cyclictest3824628-21kworker/u16:2+flush-8:010:31:475
3397460993633,2cyclictest4003041-21kworker/u16:0+flush-8:012:26:534
3397468993533,2cyclictest3824628-21kworker/u16:2+events_unbound10:34:016
3397460993532,2cyclictest3630433-21kworker/u16:0+events_unbound09:12:024
3397463993432,2cyclictest3738862-21kworker/u16:0+flush-8:010:13:185
3397468993331,2cyclictest4054570-21kworker/u16:3+events_unbound12:01:326
3397468993331,2cyclictest4054570-21kworker/u16:3+events_unbound12:01:326
3397468993331,2cyclictest3942535-21kworker/u16:5+events_unbound11:11:326
3397468993331,2cyclictest3752064-21kworker/u16:1+events_unbound09:56:206
3397468993331,2cyclictest3738862-21kworker/u16:0+events_unbound10:27:446
3397468993331,2cyclictest3738862-21kworker/u16:0+events_unbound10:06:416
3397468993331,2cyclictest3738862-21kworker/u16:0+events_unbound10:00:206
3397468993331,2cyclictest3630433-21kworker/u16:0+events_unbound09:20:116
3397468993331,2cyclictest3573505-21kworker/u16:1+events_unbound09:10:116
3397460993332,1cyclictest3752064-21kworker/u16:1+events_unbound11:24:384
3397460993331,2cyclictest3752064-21kworker/u16:1+flush-8:009:56:474
3397468993230,2cyclictest4101708-21kworker/u16:2+events_unbound12:21:166
3397468993230,2cyclictest3752064-21kworker/u16:1+events_unbound11:25:076
3397468993230,2cyclictest3752064-21kworker/u16:1+events_unbound11:21:406
3397468993230,2cyclictest3752064-21kworker/u16:1+events_unbound11:01:116
3397463993230,2cyclictest3325181-21kworker/u16:1+flush-8:007:11:475
3397463993229,2cyclictest3752064-21kworker/u16:1+events_unbound10:02:005
3397476993113,17cyclictest6471-21gnome-software09:27:007
3397468993129,2cyclictest4003041-21kworker/u16:0+events_unbound12:09:276
3397468993129,2cyclictest3824628-21kworker/u16:2+events_unbound10:50:596
3397468993129,2cyclictest3738862-21kworker/u16:0+events_unbound10:20:126
3397468993129,2cyclictest3630433-21kworker/u16:0+events_unbound09:16:206
3397468993129,2cyclictest3573505-21kworker/u16:1+events_unbound08:33:056
3397468993129,2cyclictest3458605-21kworker/u16:4+events_unbound09:36:126
3397468993129,2cyclictest3458605-21kworker/u16:4+events_unbound09:01:256
3397468993028,2cyclictest4003041-21kworker/u16:0+events_unbound11:48:196
3397468993028,2cyclictest3942535-21kworker/u16:5+events_unbound12:14:556
3397468993028,2cyclictest3942535-21kworker/u16:5+events_unbound11:54:326
3397468993028,2cyclictest3897979-21kworker/u16:0+events_unbound10:55:396
3397468993028,2cyclictest3752064-21kworker/u16:1+events_unbound10:45:276
3397468993028,2cyclictest3678344-21kworker/u16:2+events_unbound09:37:446
3397468993027,2cyclictest3969306-21kworker/u16:2+events_unbound11:34:326
3397463993028,2cyclictest3824628-21kworker/u16:2+flush-8:010:46:425
3397463993026,3cyclictest2671560-21kworker/u16:3+events_unbound08:47:095
3397460993028,2cyclictest4003041-21kworker/u16:0+flush-8:012:02:044
3397468992927,2cyclictest3752064-21kworker/u16:1+events_unbound10:41:036
3397468992927,2cyclictest3752064-21kworker/u16:1+events_unbound10:41:036
3397468992927,2cyclictest3738862-21kworker/u16:0+events_unbound10:14:236
3397468992927,2cyclictest3458605-21kworker/u16:4+events_unbound07:36:446
3397468992927,2cyclictest2671560-21kworker/u16:3+events_unbound07:07:156
3397463992927,2cyclictest3752064-21kworker/u16:1+events_unbound11:27:185
3397476992827,0cyclictest0-21swapper/707:32:027
3397468992826,2cyclictest3942535-21kworker/u16:5+events_unbound11:16:396
3397468992826,2cyclictest3752064-21kworker/u16:1+events_unbound11:05:356
3397468992826,2cyclictest3678344-21kworker/u16:2+events_unbound09:45:396
3397468992826,2cyclictest3573505-21kworker/u16:1+events_unbound09:06:206
3397468992826,2cyclictest3458605-21kworker/u16:4+events_unbound08:18:316
3397468992826,2cyclictest3458605-21kworker/u16:4+events_unbound08:15:276
3397463992826,2cyclictest3897979-21kworker/u16:0+flush-8:011:12:185
3397463992825,2cyclictest2671560-21kworker/u16:3+flush-8:008:46:475
3397463992825,2cyclictest2671560-21kworker/u16:3+flush-8:008:46:475
36909962270,1chrt3690997-21ssh09:26:317
3397468992725,2cyclictest3458605-21kworker/u16:4+events_unbound08:28:106
3397468992725,2cyclictest3458605-21kworker/u16:4+events_unbound07:56:466
3397468992725,2cyclictest3428826-21kworker/u16:2+events_unbound07:31:456
3397468992725,2cyclictest3387444-21kworker/u16:2+events_unbound07:04:236
3397468992724,2cyclictest4075255-21kworker/u16:1+events_unbound12:26:556
3397468992624,2cyclictest3942535-21kworker/u16:5+events_unbound11:30:596
3397468992624,2cyclictest3678344-21kworker/u16:2+flush-8:009:47:276
3397468992624,2cyclictest3325181-21kworker/u16:1+events_unbound07:20:196
3397468992624,2cyclictest2671560-21kworker/u16:3+events_unbound08:38:026
3397468992624,2cyclictest2671560-21kworker/u16:3+events_unbound07:51:106
3397468992624,2cyclictest2671560-21kworker/u16:3+events_unbound07:38:356
3397468992623,2cyclictest2671560-21kworker/u16:3+events_unbound08:46:496
3397463992624,2cyclictest3738862-21kworker/u16:0+flush-8:010:37:165
3397463992624,2cyclictest3738862-21kworker/u16:0+flush-8:010:37:165
3397463992624,2cyclictest3496510-21kworker/u16:0+flush-8:008:06:475
3397460992624,2cyclictest4101708-21kworker/u16:2+flush-8:012:22:124
3397460992623,2cyclictest3458605-21kworker/u16:4+events_unbound09:26:554
339747699250,24cyclictest4018758-21sh11:42:027
3397468992523,2cyclictest3752064-21kworker/u16:1+events_unbound10:10:246
3397468992523,2cyclictest3496510-21kworker/u16:0+events_unbound08:01:116
3397468992523,2cyclictest3496510-21kworker/u16:0+events_unbound08:01:116
3397468992523,2cyclictest3458605-21kworker/u16:4+events_unbound08:08:106
3397468992523,2cyclictest2671560-21kworker/u16:3+events_unbound07:42:346
3397463992523,2cyclictest2671560-21kworker/u16:3+flush-8:007:32:105
3397460992522,3cyclictest3458605-21kworker/u16:4+events_unbound09:02:124
3397460992522,2cyclictest3752064-21kworker/u16:1+flush-8:011:32:024
3397463992422,2cyclictest3458605-21kworker/u16:4+flush-8:009:12:095
3397463992422,2cyclictest2671560-21kworker/u16:3+flush-8:007:22:025
3397476992317,5cyclictest4041530-21latency_hist11:51:467
339747699230,22cyclictest650-21systemd-journal09:32:087
3397468992321,2cyclictest3573505-21kworker/u16:1+events_unbound08:55:356
3397468992321,2cyclictest3428826-21kworker/u16:2+events_unbound07:13:426
3397463992321,2cyclictest3942535-21kworker/u16:5+flush-8:012:07:145
3397460992320,2cyclictest2671560-21kworker/u16:3+flush-8:007:32:134
3397476992221,0cyclictest0-21swapper/709:07:037
3397468992220,2cyclictest2671560-21kworker/u16:3+events_unbound08:06:016
3397463992221,1cyclictest3752064-21kworker/u16:1+events_unbound11:00:145
3397463992220,2cyclictest3752064-21kworker/u16:1+flush-8:011:47:025
3397463992220,2cyclictest3752064-21kworker/u16:1+flush-8:009:52:085
3397463992219,2cyclictest4003041-21kworker/u16:0+flush-8:012:16:535
3397463992219,2cyclictest3630433-21kworker/u16:0+flush-8:009:21:525
3397460992219,3cyclictest3630433-21kworker/u16:0+flush-8:009:17:114
3397468992119,2cyclictest3325181-21kworker/u16:1+events_unbound07:25:356
3397468992119,2cyclictest2671560-21kworker/u16:3+events_unbound08:46:016
3397468992119,2cyclictest2671560-21kworker/u16:3+events_unbound08:46:016
3397460992120,1cyclictest3824628-21kworker/u16:2+events_unbound10:47:094
3397460992118,2cyclictest3752064-21kworker/u16:1+flush-8:011:21:414
3397463992018,2cyclictest3752064-21kworker/u16:1+flush-8:011:17:265
3397463992018,2cyclictest3738862-21kworker/u16:0+events_unbound09:47:055
3397463992018,2cyclictest3428826-21kworker/u16:2+flush-8:007:47:105
3397460992018,2cyclictest4003041-21kworker/u16:0+events_unbound11:57:044
3397460992018,2cyclictest4003041-21kworker/u16:0+events_unbound11:57:044
3397460992018,2cyclictest3942535-21kworker/u16:5+events_unbound11:42:154
3397460991816,2cyclictest3573505-21kworker/u16:1+events_unbound08:37:014
3397460991816,2cyclictest3428826-21kworker/u16:2+events_unbound07:42:124
339747699179,7cyclictest0-21swapper/712:31:467
3397476991711,5cyclictest3848293-21latency_hist10:31:477
339747699170,16cyclictest4106666-21kthreadcore12:17:067
339747699170,16cyclictest4005417-21latency_hist11:36:477
339747699170,10cyclictest0-21swapper/711:58:527
339747699170,10cyclictest0-21swapper/711:58:527
3397463991714,2cyclictest3738862-21kworker/u16:0+events_unbound10:17:035
3397463991714,2cyclictest3573505-21kworker/u16:1+flush-8:008:57:185
3397463991713,3cyclictest3942535-21kworker/u16:5+flush-8:012:11:475
3397460991715,2cyclictest3752064-21kworker/u16:1+flush-8:010:41:424
3397460991715,2cyclictest3752064-21kworker/u16:1+flush-8:010:41:424
3397460991715,2cyclictest3738862-21kworker/u16:0+events_unbound10:12:144
3397460991714,2cyclictest3897979-21kworker/u16:0+flush-8:011:11:574
339747699168,7cyclictest0-21swapper/711:27:167
339747699168,7cyclictest0-21swapper/711:02:087
339747699167,8cyclictest0-21swapper/709:02:057
3397476991613,2cyclictest0-21swapper/708:26:487
339747699160,15cyclictest3663533-21ssh09:12:137
3397463991614,2cyclictest4003041-21kworker/u16:0+flush-8:011:52:575
3397463991614,2cyclictest3630433-21kworker/u16:0+flush-8:009:11:425
3397460991614,2cyclictest3824628-21kworker/u16:2+flush-8:010:27:044
339747699158,6cyclictest0-21swapper/710:52:057
339747699157,7cyclictest0-21swapper/711:22:097
339747699157,7cyclictest0-21swapper/711:17:087
339747699157,7cyclictest0-21swapper/710:37:057
339747699157,7cyclictest0-21swapper/710:37:057
3397476991511,3cyclictest1267-21snmpd08:32:257
339747699150,14cyclictest0-21swapper/708:42:117
339747699150,14cyclictest0-21swapper/708:42:117
339747699150,13cyclictest3562612-21ntpq08:22:117
3397463991512,3cyclictest3884982-21kworker/u16:3+flush-8:011:02:045
3397463991512,2cyclictest3458605-21kworker/u16:4+flush-8:010:06:535
3397463991512,2cyclictest3458605-21kworker/u16:4+flush-8:009:56:535
339747699148,5cyclictest650-21systemd-journal08:11:477
339747699147,6cyclictest0-21swapper/711:52:127
339747699147,6cyclictest0-21swapper/711:07:107
339747699146,7cyclictest0-21swapper/712:07:127
339747699146,7cyclictest0-21swapper/710:32:087
339747699146,7cyclictest0-21swapper/710:22:017
339747699146,7cyclictest0-21swapper/710:02:077
339747699146,7cyclictest0-21swapper/709:37:057
339747699146,6cyclictest0-21swapper/709:56:597
339747699145,8cyclictest0-21swapper/712:02:097
339747699145,8cyclictest0-21swapper/709:47:077
3397476991412,1cyclictest3811832-21ssh10:16:197
3397476991412,1cyclictest0-21swapper/709:52:147
3397476991411,2cyclictest1267-21snmpd11:01:087
3397476991410,3cyclictest1267-21snmpd07:09:357
339747699140,1cyclictest0-21swapper/707:27:117
339746899140,14cyclictest0-21swapper/610:22:596
3397463991412,2cyclictest3942535-21kworker/u16:5+events_unbound11:32:115
3397463991412,2cyclictest3458605-21kworker/u16:4+flush-8:009:02:185
3397463991412,2cyclictest3458605-21kworker/u16:4+events_unbound09:42:085
3397460991413,1cyclictest0-21swapper/409:32:044
3397460991411,3cyclictest3942535-21kworker/u16:5+events_unbound11:52:094
3397460991411,3cyclictest3458605-21kworker/u16:4+flush-8:007:52:124
339746099140,14cyclictest0-21swapper/407:12:044
339746099140,13cyclictest0-21swapper/407:27:144
339747699139,3cyclictest1267-21snmpd08:49:317
339747699139,3cyclictest1267-21snmpd08:16:557
339747699139,3cyclictest1267-21snmpd07:24:447
339747699139,3cyclictest1267-21snmpd07:06:387
339747699136,6cyclictest0-21swapper/711:12:107
339747699136,6cyclictest0-21swapper/708:41:187
339747699135,7cyclictest0-21swapper/712:12:117
339747699135,7cyclictest0-21swapper/711:37:017
339747699135,7cyclictest0-21swapper/710:11:297
3397476991310,2cyclictest3821039-21sh10:17:127
3397476991310,2cyclictest0-21swapper/707:51:477
339747699130,4cyclictest3436585-21kthreadcore07:17:087
3397463991312,1cyclictest0-21swapper/509:30:225
3397463991311,2cyclictest3678520-21kworker/u16:5+flush-8:009:32:085
3397463991311,2cyclictest3458605-21kworker/u16:4+events_unbound08:17:015
339746399130,13cyclictest0-21swapper/508:39:275
339746099138,4cyclictest4006711-21cat11:37:024
3397460991312,1cyclictest0-21swapper/411:07:274
3397460991312,1cyclictest0-21swapper/410:03:174
3397460991312,1cyclictest0-21swapper/408:07:054
3397460991312,1cyclictest0-21swapper/407:57:094
3397460991312,1cyclictest0-21swapper/407:57:094
3397460991311,2cyclictest3752064-21kworker/u16:1+flush-8:011:27:144
3397460991311,2cyclictest3496510-21kworker/u16:0+events_unbound08:12:024
3397460991311,2cyclictest3325181-21kworker/u16:1+flush-8:007:02:134
3397460991310,2cyclictest4003041-21kworker/u16:0+flush-8:012:07:194
3397460991310,2cyclictest3716755-21irqcore09:37:044
3397460991310,2cyclictest3458605-21kworker/u16:4+events_unbound09:42:024
339746099130,13cyclictest0-21swapper/411:50:204
339746099130,13cyclictest0-21swapper/410:57:404
626589120,0rtkit-daemon0-21swapper/408:55:564
339747699128,3cyclictest1267-21snmpd07:40:547
339747699126,5cyclictest3487197-21latency_hist07:46:477
339747699123,8cyclictest0-21swapper/710:47:077
339747699120,2cyclictest1060-21runrttasks07:57:077
339747699120,2cyclictest1060-21runrttasks07:57:077
339746399128,3cyclictest4127106-21cat12:27:045
3397463991211,1cyclictest0-21swapper/511:45:005
3397463991211,1cyclictest0-21swapper/507:28:595
3397463991210,2cyclictest3458605-21kworker/u16:4+flush-8:008:12:175
339746399120,12cyclictest0-21swapper/509:41:255
339746099129,3cyclictest3458605-21kworker/u16:4+flush-8:008:22:134
3397460991211,1cyclictest0-21swapper/412:21:144
3397460991211,1cyclictest0-21swapper/409:50:024
3397460991211,1cyclictest0-21swapper/408:27:074
339746099120,12cyclictest0-21swapper/407:07:494
339747699117,3cyclictest1267-21snmpd08:54:477
339747699117,3cyclictest1267-21snmpd07:13:057
339747699110,10cyclictest1267-21snmpd08:12:397
339746399119,2cyclictest4003041-21kworker/u16:0+flush-8:012:02:105
339746399119,2cyclictest2671560-21kworker/u16:3+flush-8:008:52:035
3397463991110,1cyclictest0-21swapper/512:24:545
3397463991110,1cyclictest0-21swapper/510:36:265
339746399110,11cyclictest0-21swapper/508:29:415
339746099117,3cyclictest3897945-21cat10:52:024
339746099116,4cyclictest3643482-21fschecks_count09:07:024
3397460991110,1cyclictest0-21swapper/411:03:304
3397460991110,1cyclictest0-21swapper/410:07:044
3397460991110,1cyclictest0-21swapper/410:01:234
339746099110,1cyclictest0-21swapper/408:48:144
339747699106,3cyclictest1267-21snmpd08:03:457
339747699100,8cyclictest0-21swapper/708:56:597
339747699100,3cyclictest3488825-21kthreadcore07:47:057
339746399108,2cyclictest3496510-21kworker/u16:0+events_unbound08:22:025
339746399108,2cyclictest3428826-21kworker/u16:2+flush-8:007:42:115
339746399108,2cyclictest3406917-21kworker/u16:0+flush-8:007:12:025
339746399108,2cyclictest2671560-21kworker/u16:3+flush-8:007:37:115
339746399107,3cyclictest3325181-21kworker/u16:1+flush-8:007:17:135
339746399106,3cyclictest4054848-21cat11:57:035
339746399106,3cyclictest4054848-21cat11:57:035
339746099109,1cyclictest0-21swapper/408:59:354
339746099109,1cyclictest0-21swapper/408:42:344
339746099109,1cyclictest0-21swapper/408:42:344
339746099108,2cyclictest4075255-21kworker/u16:1+flush-8:012:12:124
339746099105,4cyclictest3873570-21tune2fs10:42:004
33974639998,1cyclictest0-21swapper/511:08:455
33974639998,1cyclictest0-21swapper/510:52:315
33974639998,1cyclictest0-21swapper/508:35:315
33974609998,1cyclictest0-21swapper/410:18:344
33974609998,1cyclictest0-21swapper/407:20:354
33974609996,2cyclictest3824628-21kworker/u16:2+flush-8:010:22:034
33974609994,4cyclictest3849662-21tr10:32:044
33974639987,1cyclictest0-21swapper/511:22:565
33974639986,1cyclictest0-21swapper/507:52:075
33974609986,1cyclictest0-21swapper/407:22:074
33974609985,2cyclictest2671560-21kworker/u16:3+flush-8:008:02:054
33974609983,4cyclictest3579736-21cut08:32:074
33974609983,4cyclictest3545871-21sed08:17:024
33974609983,4cyclictest3491884-21cut07:47:074
33974609983,4cyclictest3474957-21cut07:37:074
33974639975,1cyclictest0-21swapper/507:57:015
33974639975,1cyclictest0-21swapper/507:57:015
33974639973,3cyclictest3526722-21sed08:07:055
33974639973,3cyclictest3398459-21cat07:02:025
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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