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2026-09-16 - 23:12
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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 Wed Sep 16, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
337744325848,7sleep50-21swapper/507:09:345
337744325848,7sleep50-21swapper/507:09:345
337727725848,7sleep40-21swapper/407:07:164
337727725848,7sleep40-21swapper/407:07:164
3377730994943,5cyclictest3459704-21latency_hist07:49:377
3377730994641,4cyclictest3998567-21latency_hist11:44:367
3377727994442,2cyclictest2678526-21kworker/u16:3+events_unbound07:24:365
3377730994235,5cyclictest645-21systemd-journal07:14:367
3377730994139,1cyclictest0-21swapper/710:34:367
33774242405,30sleep70-21swapper/707:09:207
33774242405,30sleep70-21swapper/707:09:207
337773099390,38cyclictest6433-21gnome-software11:29:387
3377727993937,2cyclictest3622129-21kworker/u16:2+flush-8:010:09:365
3377727993937,2cyclictest3577769-21kworker/u16:0+events_unbound09:42:075
3377727993937,2cyclictest3577769-21kworker/u16:0+events_unbound09:42:075
3377729993731,6cyclictest3727138-21kworker/u16:0+events_unbound10:08:126
3377727993735,2cyclictest3687346-21kworker/u16:1+events_unbound09:45:465
3377730993633,2cyclictest3665178-21latency_hist09:29:377
3377729993634,2cyclictest4045719-21kworker/u16:3+events_unbound12:11:156
3377729993634,2cyclictest3687346-21kworker/u16:1+events_unbound09:37:106
3377729993634,2cyclictest3622129-21kworker/u16:2+events_unbound10:33:036
3377727993634,2cyclictest3971207-21kworker/u16:6+events_unbound11:41:395
3377727993634,2cyclictest3924286-21kworker/u16:0+events_unbound11:21:065
3377727993634,2cyclictest3577769-21kworker/u16:0+events_unbound09:17:475
3377729993533,2cyclictest3971207-21kworker/u16:6+flush-8:012:36:546
3377729993533,2cyclictest3687346-21kworker/u16:1+events_unbound09:42:116
3377729993533,2cyclictest3687346-21kworker/u16:1+events_unbound09:42:116
3377729993533,2cyclictest3622129-21kworker/u16:2+events_unbound09:57:026
3377727993533,2cyclictest4045719-21kworker/u16:3+events_unbound12:10:115
3377727993533,2cyclictest3862837-21kworker/u16:1+events_unbound12:36:465
3377727993533,2cyclictest3498399-21kworker/u16:5+events_unbound08:29:315
3377727993532,2cyclictest3862837-21kworker/u16:1+flush-8:012:29:465
3377729993432,2cyclictest4035631-21kworker/u16:2+events_unbound12:03:036
3377729993432,2cyclictest3813368-21kworker/u16:3+events_unbound10:43:196
3377729993432,2cyclictest3622129-21kworker/u16:2+events_unbound11:07:436
3377729993432,2cyclictest3622129-21kworker/u16:2+events_unbound09:46:236
3377727993432,2cyclictest3813368-21kworker/u16:3+events_unbound11:02:465
3377727993432,2cyclictest3813368-21kworker/u16:3+events_unbound10:46:075
3377727993432,2cyclictest3701504-21kworker/u16:3+flush-8:009:50:225
3377729993331,2cyclictest3971207-21kworker/u16:6+events_unbound12:32:436
3377729993331,2cyclictest3862837-21kworker/u16:1+events_unbound10:57:156
3377729993331,2cyclictest3813368-21kworker/u16:3+events_unbound11:01:396
3377729993331,2cyclictest3701504-21kworker/u16:3+events_unbound09:50:356
3377729993331,2cyclictest3622129-21kworker/u16:2+events_unbound09:29:236
3377729993331,2cyclictest3577769-21kworker/u16:0+events_unbound09:21:596
3377727993332,1cyclictest3801407-21kworker/u16:0+events_unbound10:27:315
3377727993331,2cyclictest3971207-21kworker/u16:6+events_unbound12:18:475
3377727993331,2cyclictest3862837-21kworker/u16:1+events_unbound12:28:145
3377727993331,2cyclictest3862837-21kworker/u16:1+events_unbound12:28:145
3377727993331,2cyclictest3862837-21kworker/u16:1+events_unbound12:20:465
3377727993331,2cyclictest3622129-21kworker/u16:2+events_unbound09:27:235
3377727993331,2cyclictest3622129-21kworker/u16:2+events_unbound09:23:075
3377727993330,2cyclictest3739199-21kworker/u16:4+events_unbound10:01:305
3377730993231,0cyclictest0-21swapper/711:20:067
3377730993228,3cyclictest3950358-21ssh11:24:517
3377729993230,2cyclictest3813368-21kworker/u16:3+events_unbound11:10:546
3377729993230,2cyclictest3622129-21kworker/u16:2+events_unbound10:37:436
3377729993229,2cyclictest3862837-21kworker/u16:1+events_unbound11:54:376
3377727993230,2cyclictest3969219-21kworker/u16:5+events_unbound11:36:345
3377727993230,2cyclictest3862837-21kworker/u16:1+events_unbound11:48:355
3377727993230,2cyclictest3862837-21kworker/u16:1+events_unbound11:26:385
3377727993230,2cyclictest3813368-21kworker/u16:3+events_unbound11:12:305
3377727993230,2cyclictest3813368-21kworker/u16:3+events_unbound11:07:155
3377727993230,2cyclictest3622129-21kworker/u16:2+events_unbound10:43:075
3377727993230,2cyclictest3622129-21kworker/u16:2+events_unbound10:24:105
3377727993230,2cyclictest3604896-21kworker/u16:4+events_unbound09:13:525
337716423222,7sleep60-21swapper/607:05:426
337716423222,7sleep60-21swapper/607:05:426
3377729993129,2cyclictest4072807-21kworker/u16:0+events_unbound12:19:106
3377729993129,2cyclictest3971207-21kworker/u16:6+events_unbound11:53:116
3377727993129,2cyclictest3788802-21kworker/u16:1+events_unbound10:34:315
3377727993129,2cyclictest3622129-21kworker/u16:2+events_unbound10:19:245
3377727993129,2cyclictest3577769-21kworker/u16:0+events_unbound09:35:465
3377730993029,0cyclictest0-21swapper/710:44:557
3377729993028,2cyclictest3971207-21kworker/u16:6+events_unbound11:42:186
3377729993028,2cyclictest3862837-21kworker/u16:1+flush-8:012:23:156
3377729993028,2cyclictest3577769-21kworker/u16:0+events_unbound09:32:466
3377727993028,2cyclictest3961789-21kworker/u16:4+events_unbound11:30:585
3377727993028,2cyclictest3862837-21kworker/u16:1+flush-8:012:05:385
3377727993028,2cyclictest3862837-21kworker/u16:1+events_unbound11:53:155
3377727993028,2cyclictest3813368-21kworker/u16:3+events_unbound10:51:435
3377730992928,0cyclictest0-21swapper/711:49:587
3377730992928,0cyclictest0-21swapper/709:20:067
3377729992927,2cyclictest3739199-21kworker/u16:4+events_unbound10:11:396
3377729992927,2cyclictest3622129-21kworker/u16:2+events_unbound11:20:406
3377727992927,2cyclictest3665180-21kworker/u16:3+events_unbound09:34:225
3377727992927,2cyclictest3622129-21kworker/u16:2+events_unbound09:57:355
3377727992927,2cyclictest3409287-21kworker/u16:2+flush-8:007:34:525
3377727992927,2cyclictest2678526-21kworker/u16:3+events_unbound07:26:475
3377730992825,2cyclictest3788610-21ssh10:19:367
3377730992822,5cyclictest3566852-21latency_hist08:44:377
3377729992826,2cyclictest3577769-21kworker/u16:0+events_unbound09:16:426
3377729992826,2cyclictest3420431-21kworker/u16:1+events_unbound07:44:086
3377727992826,2cyclictest3862837-21kworker/u16:1+events_unbound11:57:155
3377727992826,2cyclictest3813368-21kworker/u16:3+flush-8:011:15:505
3377727992826,2cyclictest3813368-21kworker/u16:3+events_unbound10:56:115
3377727992826,2cyclictest3788802-21kworker/u16:1+events_unbound10:35:425
3377730992726,0cyclictest0-21swapper/711:14:317
3377730992726,0cyclictest0-21swapper/709:15:027
3377730992725,1cyclictest3910941-21ssh11:07:487
3377730992725,1cyclictest3714835-21ssh09:49:437
3377730992725,1cyclictest0-21swapper/709:34:557
3377729992725,2cyclictest3961789-21kworker/u16:4+events_unbound11:33:326
3377729992725,2cyclictest3862837-21kworker/u16:1+events_unbound12:27:426
3377729992725,2cyclictest3862837-21kworker/u16:1+events_unbound12:27:426
3377729992725,2cyclictest3537775-21kworker/u16:3+events_unbound08:50:556
3377729992725,2cyclictest3420926-21kworker/u16:4+events_unbound07:36:566
3377729992725,2cyclictest3400137-21kworker/u16:0+events_unbound07:27:086
3377727992725,2cyclictest3862837-21kworker/u16:1+flush-8:012:01:345
3377727992725,2cyclictest3739199-21kworker/u16:4+events_unbound10:10:235
3377727992725,2cyclictest3537775-21kworker/u16:3+events_unbound08:54:515
3377730992625,0cyclictest0-21swapper/707:39:557
3377729992624,2cyclictest3862837-21kworker/u16:1+events_unbound11:49:146
3377729992624,2cyclictest3577769-21kworker/u16:0+flush-8:009:09:526
3377729992624,2cyclictest2678526-21kworker/u16:3+events_unbound07:10:476
3377730992524,0cyclictest0-21swapper/709:45:077
337773099250,24cyclictest905-21dbus-daemon07:24:367
3377729992523,2cyclictest3971207-21kworker/u16:6+flush-8:012:05:306
3377729992523,2cyclictest3969219-21kworker/u16:5+events_unbound11:35:536
3377729992523,2cyclictest3862837-21kworker/u16:1+events_unbound10:52:226
3377729992523,2cyclictest3739199-21kworker/u16:4+events_unbound10:22:226
3377729992523,2cyclictest3622129-21kworker/u16:2+flush-8:011:28:246
3377729992523,2cyclictest3622129-21kworker/u16:2+flush-8:010:14:546
3377729992523,2cyclictest3498399-21kworker/u16:5+events_unbound08:28:466
3377730992422,1cyclictest4058685-21ssh12:06:467
3377729992422,2cyclictest3622129-21kworker/u16:2+events_unbound10:04:256
3377729992422,2cyclictest3577769-21kworker/u16:0+events_unbound08:56:116
3377729992422,2cyclictest3537775-21kworker/u16:3+events_unbound09:09:116
3377727992422,2cyclictest3537775-21kworker/u16:3+events_unbound09:09:075
3377727992422,2cyclictest3537775-21kworker/u16:3+events_unbound08:45:075
3377730992318,4cyclictest645-21systemd-journal07:35:097
3377729992321,2cyclictest3801407-21kworker/u16:0+events_unbound10:29:346
3377729992321,2cyclictest3409287-21kworker/u16:2+events_unbound08:11:086
3377729992321,2cyclictest2678526-21kworker/u16:3+events_unbound07:18:566
3377729992320,2cyclictest3558260-21kworker/u16:1+flush-8:008:59:396
3377727992321,2cyclictest3409287-21kworker/u16:2+flush-8:008:34:375
3377730992221,0cyclictest0-21swapper/711:55:467
3377730992221,0cyclictest0-21swapper/711:44:567
3377730992221,0cyclictest0-21swapper/708:20:037
3377730992220,1cyclictest0-21swapper/710:24:467
3377730992217,4cyclictest4047942-21latency_hist12:04:367
3377729992221,1cyclictest3400137-21kworker/u16:0+events_unbound07:23:596
3377729992220,2cyclictest3862837-21kworker/u16:1+events_unbound11:19:016
3377729992220,2cyclictest3813368-21kworker/u16:3+events_unbound10:48:086
3377729992220,2cyclictest3558260-21kworker/u16:1+events_unbound08:42:116
3377729992220,2cyclictest3547786-21kworker/u16:0+events_unbound08:37:006
3377729992220,2cyclictest3409287-21kworker/u16:2+events_unbound07:58:546
3377729992220,2cyclictest3409287-21kworker/u16:2+events_unbound07:31:126
3377729992220,2cyclictest3409287-21kworker/u16:2+events_unbound07:31:126
3377730992119,1cyclictest0-21swapper/711:34:477
3377729992119,2cyclictest3498399-21kworker/u16:5+events_unbound08:19:356
3377729992119,2cyclictest3498399-21kworker/u16:5+events_unbound08:19:356
3377727992119,2cyclictest3464137-21kworker/u16:1+events_unbound08:20:475
3377727992119,2cyclictest3409287-21kworker/u16:2+events_unbound07:57:475
3377727992119,2cyclictest3409287-21kworker/u16:2+events_unbound07:31:075
3377727992119,2cyclictest3409287-21kworker/u16:2+events_unbound07:31:075
3377727992119,2cyclictest3367761-21kworker/u16:4+flush-8:007:14:585
3377730992019,0cyclictest0-21swapper/711:15:477
3377730992019,0cyclictest0-21swapper/710:09:467
3377730992019,0cyclictest0-21swapper/707:15:007
337773099200,18cyclictest6546-21sshd10:02:067
337773099200,18cyclictest3626362-21sh09:11:557
337773099200,18cyclictest3611612-21grep09:04:557
3377729992018,2cyclictest3537775-21kworker/u16:3+events_unbound08:47:006
3377729992018,2cyclictest3420926-21kworker/u16:4+events_unbound07:48:156
3377727992018,2cyclictest3547786-21kworker/u16:0+events_unbound08:37:475
3377727992018,2cyclictest3409287-21kworker/u16:2+events_unbound08:12:485
3377727992018,2cyclictest2678526-21kworker/u16:3+events_unbound07:10:355
3377730991918,0cyclictest0-21swapper/712:14:477
337773099190,17cyclictest1117-21ntpd07:29:467
337773099190,17cyclictest1117-21ntpd07:29:467
3377729991917,2cyclictest3537775-21kworker/u16:3+events_unbound08:31:046
3377729991917,2cyclictest3409287-21kworker/u16:2+events_unbound08:07:006
3377727991917,2cyclictest3577769-21kworker/u16:0+events_unbound08:53:475
3377730991817,0cyclictest0-21swapper/710:43:487
3377730991817,0cyclictest0-21swapper/709:57:477
3377730991816,1cyclictest0-21swapper/710:59:567
337773099180,16cyclictest3763857-21latency_hist10:09:377
3377722991816,2cyclictest3687346-21kworker/u16:1+events_unbound09:44:514
3377730991715,1cyclictest4060722-21ssh12:09:427
3377729991715,2cyclictest3409287-21kworker/u16:2+flush-8:007:49:516
3377727991715,2cyclictest3558260-21kworker/u16:1+events_unbound08:40:475
3377727991715,2cyclictest3420431-21kworker/u16:1+events_unbound07:42:155
3377722991715,2cyclictest3498399-21kworker/u16:5+flush-8:008:29:374
3377722991714,2cyclictest2678526-21kworker/u16:3+flush-8:007:14:384
3377730991613,2cyclictest4109612-21ssh12:29:307
3377730991613,2cyclictest4109612-21ssh12:29:307
3377727991614,2cyclictest3537775-21kworker/u16:3+events_unbound09:03:475
3377727991614,2cyclictest3409287-21kworker/u16:2+events_unbound07:48:485
3377722991615,1cyclictest0-21swapper/412:05:074
3377722991612,3cyclictest3409287-21kworker/u16:2+flush-8:007:29:404
3377722991612,3cyclictest3409287-21kworker/u16:2+flush-8:007:29:404
3377730991514,0cyclictest0-21swapper/712:31:477
3377730991514,0cyclictest0-21swapper/709:40:477
3377730991514,0cyclictest0-21swapper/709:40:477
3377730991514,0cyclictest0-21swapper/708:00:057
337773099150,14cyclictest0-21swapper/707:49:567
3377729991513,2cyclictest3464137-21kworker/u16:1+events_unbound08:20:086
3377729991513,2cyclictest3451552-21kworker/u16:0+events_unbound08:00:356
3377727991513,2cyclictest3464137-21kworker/u16:1+events_unbound08:17:475
3377727991513,2cyclictest3464137-21kworker/u16:1+events_unbound08:17:475
337772299150,14cyclictest0-21swapper/408:49:374
3377730991413,0cyclictest0-21swapper/709:32:027
3377730991413,0cyclictest0-21swapper/707:25:027
3377730991412,1cyclictest4085382-21ssh12:19:387
337773099140,1cyclictest0-21swapper/708:45:007
337773099140,13cyclictest1274-21snmpd08:08:097
337773099140,13cyclictest0-21swapper/708:29:587
3377727991412,2cyclictest3498399-21kworker/u16:5+flush-8:008:08:475
337772799140,14cyclictest0-21swapper/507:50:095
3377722991413,1cyclictest0-21swapper/412:24:594
3377722991413,1cyclictest0-21swapper/412:24:594
3377722991413,1cyclictest0-21swapper/411:36:164
3377722991413,1cyclictest0-21swapper/411:20:494
3377722991413,1cyclictest0-21swapper/410:36:024
3377722991413,1cyclictest0-21swapper/409:16:534
3377722991413,1cyclictest0-21swapper/407:10:084
337772299140,1cyclictest0-21swapper/412:11:544
337772299140,1cyclictest0-21swapper/411:40:014
337772299140,1cyclictest0-21swapper/409:34:524
337772299140,14cyclictest0-21swapper/412:18:414
337772299140,14cyclictest0-21swapper/411:32:384
337772299140,14cyclictest0-21swapper/410:40:084
337772299140,14cyclictest0-21swapper/409:14:134
337773099139,3cyclictest1274-21snmpd09:03:147
3377722991312,1cyclictest0-21swapper/412:01:584
3377722991312,1cyclictest0-21swapper/411:58:494
3377722991312,1cyclictest0-21swapper/411:49:214
3377722991312,1cyclictest0-21swapper/411:00:284
3377722991312,1cyclictest0-21swapper/410:27:504
3377722991312,1cyclictest0-21swapper/409:49:504
3377722991312,1cyclictest0-21swapper/409:42:354
3377722991312,1cyclictest0-21swapper/409:42:354
337772299130,12cyclictest0-21swapper/409:24:504
337772299130,0cyclictest0-21swapper/411:52:304
337772299130,0cyclictest0-21swapper/411:29:014
337773099120,2cyclictest3837414-21ssh10:38:317
337772299128,3cyclictest4125359-21kthreadcore12:34:554
3377722991211,1cyclictest0-21swapper/411:10:244
3377722991211,1cyclictest0-21swapper/410:57:194
3377722991211,1cyclictest0-21swapper/410:31:564
337772299120,1cyclictest0-21swapper/407:27:004
337772299120,12cyclictest0-21swapper/407:22:544
337773099118,2cyclictest5738-21gmain07:54:547
337773099118,2cyclictest1274-21snmpd12:35:087
337773099118,2cyclictest1274-21snmpd10:21:407
337773099117,3cyclictest6050-21gmain10:57:467
337773099117,3cyclictest1274-21snmpd10:51:347
337773099117,3cyclictest1274-21snmpd08:51:317
337773099117,3cyclictest1274-21snmpd08:27:527
337773099110,10cyclictest1274-21snmpd08:56:377
3377722991110,1cyclictest0-21swapper/411:07:154
3377722991110,1cyclictest0-21swapper/410:50:334
3377722991110,1cyclictest0-21swapper/410:47:234
3377722991110,1cyclictest0-21swapper/409:02:514
3377722991110,1cyclictest0-21swapper/408:24:044
3377722991110,1cyclictest0-21swapper/408:09:254
3377722991110,1cyclictest0-21swapper/407:59:484
3377722991110,1cyclictest0-21swapper/407:55:424
3377722991110,1cyclictest0-21swapper/407:47:304
337772299110,11cyclictest0-21swapper/408:45:014
337772299110,11cyclictest0-21swapper/408:40:574
337772299110,11cyclictest0-21swapper/408:14:274
337772299110,0cyclictest0-21swapper/407:51:364
337773099109,0cyclictest0-21swapper/708:35:087
337773099105,4cyclictest3508526-21cat08:14:367
337772299109,1cyclictest0-21swapper/412:31:464
337772299109,1cyclictest0-21swapper/411:17:114
337772299109,1cyclictest0-21swapper/408:19:024
337772299109,1cyclictest0-21swapper/408:19:024
33777309995,3cyclictest0-21swapper/708:14:577
33777309995,3cyclictest0-21swapper/708:14:577
33777229998,1cyclictest0-21swapper/410:09:334
33777229998,1cyclictest0-21swapper/407:43:244
33777229998,1cyclictest0-21swapper/407:34:434
33777229997,2cyclictest3727138-21kworker/u16:0+events_unbound09:54:514
33777229996,2cyclictest3743206-21kthreadcore09:59:544
33777279986,1cyclictest0-21swapper/507:59:545
33777229987,1cyclictest0-21swapper/409:06:574
33777229986,1cyclictest0-21swapper/409:29:584
33777229984,3cyclictest3789819-21tune2fs10:19:514
33777229984,3cyclictest3766213-21cut10:09:534
33777229983,4cyclictest4089060-21cut12:19:554
33777229983,4cyclictest3776717-21grep10:14:494
33777229983,4cyclictest3549534-21grep08:34:554
33777229975,1cyclictest0-21swapper/409:19:554
33777229975,1cyclictest0-21swapper/408:54:484
33777229973,3cyclictest3538593-21tune2fs08:29:484
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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