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2026-07-07 - 19:40
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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 Jul 07, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11219122950,1sleep71121913-21rm10:35:547
65188224915,29sleep70-21swapper/707:08:177
652488994843,4cyclictest1321508-21latency_hist11:59:577
652488994442,1cyclictest0-21swapper/712:06:317
652488993834,2cyclictest760593-21munin-run07:59:577
627889380,31rtkit-daemon0-21swapper/507:05:025
652484993634,2cyclictest719217-21kworker/u16:1+events_unbound08:09:576
652480993533,2cyclictest961544-21kworker/u16:1+flush-8:010:24:565
652480993533,2cyclictest961544-21kworker/u16:1+events_unbound09:58:135
652484993432,2cyclictest961544-21kworker/u16:1+flush-8:010:09:526
652480993429,2cyclictest1112176-21kworker/u16:0+events_unbound10:38:095
652480993331,2cyclictest939597-21kworker/u16:0+events_unbound09:46:285
652480993331,2cyclictest1062939-21kworker/u16:3+events_unbound10:43:085
652488993228,3cyclictest914456-21latency_hist09:14:577
652488993227,4cyclictest1296792-21latency_hist11:49:577
652488993227,4cyclictest1296792-21latency_hist11:49:577
652484993230,2cyclictest782690-21kworker/u16:3+flush-8:008:54:576
652480993230,2cyclictest1371636-21kworker/u16:2+events_unbound12:28:485
652480993230,2cyclictest1371636-21kworker/u16:2+events_unbound12:28:485
652480993230,2cyclictest1343958-21kworker/u16:4+flush-8:012:18:055
652480993230,2cyclictest1343958-21kworker/u16:4+events_unbound12:14:485
652480993230,2cyclictest1161570-21kworker/u16:0+events_unbound11:21:175
652488993130,0cyclictest0-21swapper/710:26:247
652488993128,2cyclictest1383251-21ssh12:21:447
652488993128,2cyclictest1210886-21ssh11:15:017
652484993127,3cyclictest781670-21kworker/u16:2+flush-8:008:10:126
652480993129,2cyclictest939597-21kworker/u16:0+events_unbound09:52:335
652480993129,2cyclictest939597-21kworker/u16:0+events_unbound09:40:445
652480993129,2cyclictest939597-21kworker/u16:0+events_unbound09:40:445
652480993129,2cyclictest924374-21kworker/u16:4+events_unbound09:18:335
652480993129,2cyclictest1161570-21kworker/u16:0+events_unbound11:40:415
652480993129,2cyclictest1133961-21kworker/u16:1+flush-8:010:54:575
652480993128,2cyclictest1013168-21kworker/u16:5+events_unbound10:05:005
652488993029,0cyclictest0-21swapper/710:09:597
652488993029,0cyclictest0-21swapper/709:44:097
652488993029,0cyclictest0-21swapper/709:44:097
652488993029,0cyclictest0-21swapper/709:27:127
652488993028,1cyclictest1369994-21ssh12:16:087
652488993027,2cyclictest1011702-21ssh09:52:287
652480993029,1cyclictest1133961-21kworker/u16:1+events_unbound11:19:255
652480993028,2cyclictest924374-21kworker/u16:4+events_unbound09:28:335
652480993028,2cyclictest1397860-21kworker/u16:3+events_unbound12:36:455
652480993028,2cyclictest1397860-21kworker/u16:3+events_unbound12:32:195
652480993028,2cyclictest1333793-21kworker/u16:1+events_unbound12:22:095
652480993028,2cyclictest1161570-21kworker/u16:0+events_unbound11:36:045
652480993028,2cyclictest1133961-21kworker/u16:1+flush-8:010:55:375
652480993028,2cyclictest1133961-21kworker/u16:1+events_unbound11:48:485
652480993028,2cyclictest1133961-21kworker/u16:1+events_unbound11:48:485
652480993028,2cyclictest1060244-21kworker/u16:2+events_unbound11:53:045
652480993028,2cyclictest1060244-21kworker/u16:2+events_unbound10:46:415
652478993028,2cyclictest1133961-21kworker/u16:1+flush-8:010:50:284
65205923020,7sleep60-21swapper/607:09:136
652488992928,0cyclictest0-21swapper/712:12:057
652488992928,0cyclictest0-21swapper/711:35:377
652488992928,0cyclictest0-21swapper/710:21:177
652488992927,1cyclictest0-21swapper/709:38:337
652488992926,2cyclictest1233543-21ssh11:22:047
652480992927,2cyclictest961544-21kworker/u16:1+events_unbound09:32:045
652480992927,2cyclictest782690-21kworker/u16:3+events_unbound09:37:305
652480992927,2cyclictest1161570-21kworker/u16:0+events_unbound12:02:525
652480992927,2cyclictest1161570-21kworker/u16:0+events_unbound11:04:095
652480992927,2cyclictest1062939-21kworker/u16:3+events_unbound10:27:225
652480992927,2cyclictest1060244-21kworker/u16:2+events_unbound11:06:165
652480992927,2cyclictest1060244-21kworker/u16:2+events_unbound11:06:165
652480992927,2cyclictest1060244-21kworker/u16:2+events_unbound10:17:245
652480992927,2cyclictest1013168-21kworker/u16:5+events_unbound10:12:295
652488992827,0cyclictest0-21swapper/712:04:487
652488992827,0cyclictest0-21swapper/710:51:057
652488992826,1cyclictest0-21swapper/711:29:557
652488992825,2cyclictest1408781-21ssh12:31:567
652488992823,4cyclictest1397995-21latency_hist12:29:567
652488992823,4cyclictest1397995-21latency_hist12:29:567
652480992826,2cyclictest719217-21kworker/u16:1+flush-8:008:20:265
652480992826,2cyclictest600455-21kworker/u16:3+flush-8:007:19:575
652480992826,2cyclictest1062939-21kworker/u16:3+events_unbound10:31:175
652480992826,2cyclictest1013168-21kworker/u16:5+events_unbound10:04:015
652478992826,2cyclictest1060244-21kworker/u16:2+flush-8:012:06:044
652478992826,2cyclictest1060244-21kworker/u16:2+events_unbound11:50:124
652488992725,1cyclictest0-21swapper/709:31:567
652488992722,3cyclictest925147-21sh09:17:057
652484992725,2cyclictest1161570-21kworker/u16:0+events_unbound11:17:326
652480992725,2cyclictest892852-21kworker/u16:2+events_unbound09:14:385
652480992725,2cyclictest697769-21kworker/u16:0+flush-8:008:29:575
652480992725,2cyclictest1161570-21kworker/u16:0+events_unbound11:58:235
652480992725,2cyclictest1060244-21kworker/u16:2+events_unbound11:12:005
65202322716,7sleep40-21swapper/407:09:034
12914972270,1chrt841rcuc/611:45:176
12914972270,1chrt841rcuc/611:45:176
652488992625,0cyclictest0-21swapper/710:40:537
652488992625,0cyclictest0-21swapper/710:18:057
652488992624,1cyclictest936727-21ssh09:20:407
652488992624,1cyclictest1050157-21ssh10:09:517
65248899260,1cyclictest0-21swapper/707:10:217
652484992624,2cyclictest782690-21kworker/u16:3+events_unbound09:40:406
652484992624,2cyclictest782690-21kworker/u16:3+events_unbound09:40:406
652484992624,2cyclictest1060244-21kworker/u16:2+events_unbound10:40:166
652484992624,2cyclictest1060244-21kworker/u16:2+events_unbound10:27:326
652480992624,2cyclictest782690-21kworker/u16:3+events_unbound09:22:415
652478992622,3cyclictest1397861-21kworker/u16:5+flush-8:012:30:094
652488992524,0cyclictest0-21swapper/711:02:417
652488992524,0cyclictest0-21swapper/710:49:557
652488992524,0cyclictest0-21swapper/710:03:577
652488992523,1cyclictest1111486-21ssh10:34:137
652480992523,2cyclictest641092-21kworker/u16:2+flush-8:007:47:125
652480992523,2cyclictest1060244-21kworker/u16:2+flush-8:011:27:035
652478992522,2cyclictest1318968-21kworker/u16:3+flush-8:012:04:574
652488992423,0cyclictest0-21swapper/709:46:407
652488992422,1cyclictest1259393-21ssh11:34:167
652480992422,2cyclictest1161570-21kworker/u16:0+events_unbound11:34:185
652478992422,2cyclictest892852-21kworker/u16:2+flush-8:009:10:284
652478992421,2cyclictest600455-21kworker/u16:3+flush-8:007:49:574
652488992321,1cyclictest0-21swapper/711:44:057
652488992319,3cyclictest1307346-21ssh11:51:447
652484992321,2cyclictest1343958-21kworker/u16:4+flush-8:012:17:286
652480992321,2cyclictest782690-21kworker/u16:3+flush-8:008:56:175
652480992321,2cyclictest1343958-21kworker/u16:4+flush-btrfs-112:09:395
652478992321,2cyclictest697769-21kworker/u16:0+events_unbound07:30:154
652478992321,2cyclictest1133961-21kworker/u16:1+flush-8:011:14:524
652488992220,1cyclictest1195888-21ssh11:06:007
652488992220,1cyclictest1195888-21ssh11:06:007
652488992220,1cyclictest1173441-21ssh10:59:557
652488992218,3cyclictest1024186-21ssh09:57:387
652484992220,2cyclictest782690-21kworker/u16:3+flush-8:009:45:166
652484992220,2cyclictest1161570-21kworker/u16:0+flush-8:011:35:196
652480992220,2cyclictest782690-21kworker/u16:3+flush-8:008:30:335
652480992220,2cyclictest782690-21kworker/u16:3+events_unbound08:14:135
652480992220,2cyclictest697769-21kworker/u16:0+events_unbound09:02:165
652478992220,2cyclictest719217-21kworker/u16:1+flush-8:008:00:134
652488992120,0cyclictest0-21swapper/707:37:117
652488992116,4cyclictest708376-21latency_hist07:34:577
652484992119,2cyclictest1333793-21kworker/u16:1+events_unbound12:33:126
652484992118,3cyclictest1060244-21kworker/u16:2+events_unbound11:25:196
652484992118,2cyclictest961544-21kworker/u16:1+flush-8:010:20:176
652480992119,2cyclictest697769-21kworker/u16:0+events_unbound09:09:165
652480992119,2cyclictest697769-21kworker/u16:0+events_unbound07:36:265
652478992119,2cyclictest1060244-21kworker/u16:2+flush-8:011:45:114
652478992119,2cyclictest1060244-21kworker/u16:2+flush-8:011:45:114
652484992019,1cyclictest961544-21kworker/u16:1+events_unbound10:13:166
652484992018,2cyclictest1060244-21kworker/u16:2+flush-8:012:11:366
652484992017,3cyclictest924374-21kworker/u16:4+flush-8:009:30:196
652480992018,2cyclictest782690-21kworker/u16:3+flush-8:008:35:105
652480992018,2cyclictest600455-21kworker/u16:3+flush-8:007:44:525
652478992018,2cyclictest1060244-21kworker/u16:2+flush-8:011:24:524
652478992016,3cyclictest1182769-21smart_sda11:00:244
652488991918,0cyclictest0-21swapper/707:21:087
652488991918,0cyclictest0-21swapper/707:15:147
652488991915,3cyclictest1274-21snmpd07:50:567
652484991917,2cyclictest939597-21kworker/u16:0+flush-8:009:55:126
652484991917,2cyclictest892852-21kworker/u16:2+events_unbound09:05:216
652484991917,2cyclictest782690-21kworker/u16:3+flush-8:009:38:086
652484991917,2cyclictest782690-21kworker/u16:3+events_unbound09:10:286
652484991917,2cyclictest1060244-21kworker/u16:2+events_unbound10:52:086
652480991917,2cyclictest748519-21kworker/u16:4+flush-8:008:00:185
652480991917,2cyclictest600455-21kworker/u16:3+events_unbound07:24:045
652478991917,2cyclictest1013168-21kworker/u16:5+events_unbound10:04:524
652478991916,3cyclictest836898-21kworker/u16:4+flush-8:008:39:574
652478991916,3cyclictest1060244-21kworker/u16:2+flush-8:011:25:214
652488991817,0cyclictest0-21swapper/709:00:077
652488991817,0cyclictest0-21swapper/708:06:147
652488991810,7cyclictest6064-21gmain08:20:207
652484991816,2cyclictest667025-21kworker/u16:0+flush-8:007:15:176
652484991816,2cyclictest1161570-21kworker/u16:0+events_unbound11:43:086
652484991816,2cyclictest1161570-21kworker/u16:0+events_unbound11:00:146
652480991816,2cyclictest782690-21kworker/u16:3+events_unbound08:46:495
652480991816,2cyclictest697769-21kworker/u16:0+events_unbound07:53:075
652478991816,2cyclictest1062939-21kworker/u16:3+events_unbound10:30:244
652478991815,3cyclictest1133961-21kworker/u16:1+flush-8:011:19:524
652484991716,1cyclictest1333793-21kworker/u16:1+events_unbound12:20:376
652484991715,2cyclictest782690-21kworker/u16:3+events_unbound08:15:206
652484991715,2cyclictest782690-21kworker/u16:3+events_unbound08:15:206
652484991715,2cyclictest697769-21kworker/u16:0+events_unbound09:17:326
652484991715,2cyclictest1060244-21kworker/u16:2+events_unbound10:30:326
652484991714,2cyclictest961544-21kworker/u16:1+flush-8:009:59:586
652484991714,2cyclictest1343959-21kworker/u16:5+events_unbound12:06:356
652480991715,2cyclictest600455-21kworker/u16:3+events_unbound07:12:165
65248899169,6cyclictest6240-21gvfs-afc-volume07:25:127
65248899166,8cyclictest5814-21gmain08:15:207
65248899166,8cyclictest5814-21gmain08:15:207
652488991615,0cyclictest0-21swapper/711:12:087
652480991613,2cyclictest748519-21kworker/u16:4+events_unbound07:55:005
652480991613,2cyclictest697769-21kworker/u16:0+events_unbound08:50:075
652478991614,2cyclictest862289-21kworker/u16:1+events_unbound09:19:574
652478991614,2cyclictest600455-21kworker/u16:3+events_unbound07:15:264
652478991614,2cyclictest1133961-21kworker/u16:1+flush-8:011:55:144
652478991613,2cyclictest1060244-21kworker/u16:2+flush-8:010:40:134
652480991513,2cyclictest697769-21kworker/u16:0+events_unbound08:16:015
652480991513,2cyclictest697769-21kworker/u16:0+events_unbound08:16:015
652480991511,3cyclictest600455-21kworker/u16:3+events_unbound07:27:415
652478991511,3cyclictest988647-21kworker/u16:4+flush-8:009:45:554
65247899150,1cyclictest0-21swapper/412:21:454
652488991413,0cyclictest0-21swapper/708:45:147
652488991411,2cyclictest1274-21snmpd08:11:547
65248899140,1cyclictest0-21swapper/708:00:207
652484991412,2cyclictest939597-21kworker/u16:0+events_unbound09:53:166
652484991412,2cyclictest641092-21kworker/u16:2+flush-8:007:50:146
652484991412,2cyclictest1161570-21kworker/u16:0+flush-8:012:03:046
652484991412,2cyclictest1133961-21kworker/u16:1+events_unbound11:10:126
652484991412,2cyclictest1060244-21kworker/u16:2+flush-8:011:05:286
652484991412,2cyclictest1060244-21kworker/u16:2+flush-8:011:05:286
652484991412,1cyclictest1060244-21kworker/u16:2+events_unbound10:46:206
652484991411,3cyclictest781670-21kworker/u16:2+flush-8:008:20:236
652480991412,2cyclictest719217-21kworker/u16:1+events_unbound08:08:145
652480991412,2cyclictest697769-21kworker/u16:0+events_unbound07:31:455
652478991413,1cyclictest0-21swapper/412:27:264
652478991413,1cyclictest0-21swapper/412:27:264
652478991413,1cyclictest0-21swapper/412:12:084
652478991413,1cyclictest0-21swapper/411:40:084
652478991413,1cyclictest0-21swapper/410:55:404
652478991413,1cyclictest0-21swapper/409:52:564
652478991413,1cyclictest0-21swapper/408:25:164
652478991412,2cyclictest1060244-21kworker/u16:2+events_unbound11:30:264
65247899140,14cyclictest0-21swapper/410:07:354
65248899136,6cyclictest648-21systemd-journal12:35:167
65248899136,6cyclictest6064-21gmain09:09:167
652484991311,2cyclictest600455-21kworker/u16:3+flush-8:007:10:226
652484991311,2cyclictest1161570-21kworker/u16:0+events_unbound11:50:006
652484991311,2cyclictest1062939-21kworker/u16:3+events_unbound10:18:136
652484991310,2cyclictest600455-21kworker/u16:3+flush-8:007:40:166
65247899139,3cyclictest859707-21tr08:45:184
652478991311,2cyclictest836898-21kworker/u16:4+flush-8:008:50:154
652478991311,1cyclictest0-21swapper/409:00:164
652478991310,2cyclictest697769-21kworker/u16:0+flush-8:007:59:034
65247899130,13cyclictest0-21swapper/411:36:124
65247899130,13cyclictest0-21swapper/410:11:414
65247899130,13cyclictest0-21swapper/409:44:154
65247899130,13cyclictest0-21swapper/409:44:154
65247899130,13cyclictest0-21swapper/409:30:334
65248899129,2cyclictest1274-21snmpd08:43:367
65248899128,3cyclictest6449-21gmain08:25:207
65248899128,3cyclictest1274-21snmpd08:58:527
65248899126,5cyclictest6176-21gmain08:34:087
65248899120,11cyclictest951ktimers/707:40:167
652484991211,1cyclictest0-21swapper/612:38:516
652484991211,1cyclictest0-21swapper/611:32:386
652484991211,1cyclictest0-21swapper/609:28:146
652484991210,2cyclictest677054-21kworker/u16:4+flush-8:007:24:526
65247899129,2cyclictest961544-21kworker/u16:1+flush-8:010:25:204
652478991211,1cyclictest0-21swapper/410:18:564
652478991211,1cyclictest0-21swapper/409:35:074
652478991211,1cyclictest0-21swapper/409:25:304
652478991210,2cyclictest600455-21kworker/u16:3+flush-8:007:25:114
65247899120,12cyclictest0-21swapper/407:42:424
65248899119,1cyclictest0-21swapper/707:45:187
65248899116,5cyclictest6240-21gvfs-afc-volume08:50:247
652488991111,0cyclictest0-21swapper/708:35:047
65248499119,2cyclictest782690-21kworker/u16:3+flush-8:008:45:186
65248499119,2cyclictest641092-21kworker/u16:2+flush-8:007:34:526
65248499119,2cyclictest1060244-21kworker/u16:2+events_unbound11:55:256
65248499118,2cyclictest86-21ksoftirqd/607:25:196
65248499112,8cyclictest1394696-21ntp_kernel_err12:25:206
65248499112,8cyclictest1394696-21ntp_kernel_err12:25:206
652484991110,1cyclictest0-21swapper/610:38:336
652484991110,1cyclictest0-21swapper/609:03:396
652484991110,1cyclictest0-21swapper/608:32:076
65248499110,4cyclictest838970-21grep08:35:176
65248499110,1cyclictest0-21swapper/607:59:576
65248499110,11cyclictest0-21swapper/610:56:036
65248499110,10cyclictest875930-21cut08:55:146
65248499110,10cyclictest730699-21irqcore07:45:146
65247899118,2cyclictest0-21swapper/408:10:094
652478991110,1cyclictest0-21swapper/410:22:344
652478991110,1cyclictest0-21swapper/409:06:164
65248499108,2cyclictest719217-21kworker/u16:1+flush-8:008:00:106
65248499106,3cyclictest814052-21cat08:25:136
65248099107,2cyclictest850333-21cut08:40:185
65247899109,1cyclictest0-21swapper/412:39:154
65247899109,1cyclictest0-21swapper/410:47:574
65247899109,1cyclictest0-21swapper/410:36:364
65247899109,1cyclictest0-21swapper/409:20:554
6524849995,3cyclictest933052-21kthreadcore09:20:176
6524849990,8cyclictest710936-21grep07:35:156
6524849990,3cyclictest1224079-21sh11:20:116
6524849990,2cyclictest845873-21kthreadcore08:40:166
6524789998,1cyclictest0-21swapper/411:05:084
6524789998,1cyclictest0-21swapper/411:05:084
6524789998,1cyclictest0-21swapper/409:57:024
6524789998,1cyclictest0-21swapper/408:34:344
6524789997,2cyclictest862289-21kworker/u16:1+flush-8:008:55:104
6524789995,3cyclictest1360486-21tune2fs12:15:124
6524789994,4cyclictest745886-21cut07:50:154
6524789990,8cyclictest683778-21grep07:20:174
6524789986,1cyclictest0-21swapper/408:15:164
6524789986,1cyclictest0-21swapper/408:15:164
6524789985,2cyclictest0-21swapper/407:35:124
6524789984,3cyclictest806781-21kthreadcore08:20:184
6524789983,4cyclictest657802-21grep07:10:174
6524789975,1cyclictest0-21swapper/408:05:124
6524789974,2cyclictest845291-21kthreadcore08:40:154
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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