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2026-08-16 - 14:02
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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 Sun Aug 16, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12543042950,1sleep71254305-21ssh11:32:167
66251225520,30sleep70-21swapper/707:05:487
66264325141,7sleep40-21swapper/407:07:384
66295599470,45cyclictest1340190-21latency_hist12:07:507
66261524736,7sleep50-21swapper/507:07:155
662955994640,5cyclictest1168943-21latency_hist10:57:497
662946994542,2cyclictest1288892-21kworker/u16:4+events_unbound11:48:225
662942994037,2cyclictest773799-21kworker/u16:3+flush-8:009:07:504
662942994037,2cyclictest773799-21kworker/u16:3+flush-8:009:07:504
662955993833,4cyclictest973318-21latency_hist09:37:497
662951993734,2cyclictest1120453-21kworker/u16:2+flush-8:010:42:526
662946993735,2cyclictest1303535-21kworker/u16:0+events_unbound12:19:215
662946993735,2cyclictest1303535-21kworker/u16:0+events_unbound12:19:215
662946993734,2cyclictest830896-21kworker/u16:2+flush-8:009:17:525
662951993633,2cyclictest598673-21kworker/u16:3+flush-8:007:17:506
662946993634,2cyclictest1057149-21kworker/u16:1+events_unbound10:21:265
662946993634,2cyclictest1023586-21kworker/u16:3+events_unbound10:36:375
662951993533,2cyclictest1023586-21kworker/u16:3+flush-8:010:34:526
662946993533,2cyclictest1303535-21kworker/u16:0+flush-8:012:26:295
662946993533,2cyclictest1229246-21kworker/u16:1+events_unbound11:26:175
662946993533,2cyclictest1057149-21kworker/u16:1+flush-8:010:09:365
662946993533,2cyclictest1023586-21kworker/u16:3+flush-8:010:32:175
662946993533,2cyclictest1023586-21kworker/u16:3+flush-8:010:16:275
662951993432,2cyclictest900250-21kworker/u16:0+flush-8:009:41:176
662951993432,2cyclictest764312-21kworker/u16:1+events_unbound09:45:466
662951993432,2cyclictest764312-21kworker/u16:1+events_unbound09:45:466
662951993432,2cyclictest1303535-21kworker/u16:0+events_unbound12:36:486
662951993432,2cyclictest1288892-21kworker/u16:4+events_unbound12:00:046
662951993432,2cyclictest1057149-21kworker/u16:1+flush-8:010:23:576
662951993432,2cyclictest1057149-21kworker/u16:1+events_unbound10:29:176
662946993432,2cyclictest764312-21kworker/u16:1+flush-8:009:52:135
662946993432,2cyclictest1303535-21kworker/u16:0+events_unbound11:56:095
662946993432,2cyclictest1265039-21kworker/u16:2+flush-8:011:44:205
662946993432,2cyclictest1265039-21kworker/u16:2+flush-8:011:36:495
662946993432,2cyclictest1142850-21kworker/u16:3+events_unbound10:59:295
662942993431,2cyclictest830896-21kworker/u16:2+flush-8:009:32:504
662951993331,2cyclictest900250-21kworker/u16:0+flush-8:009:58:336
662951993331,2cyclictest830896-21kworker/u16:2+flush-8:009:25:336
662951993331,2cyclictest1155350-21kworker/u16:2+flush-8:011:02:296
662951993331,2cyclictest1155350-21kworker/u16:2+flush-8:010:56:126
662951993331,2cyclictest1142850-21kworker/u16:3+events_unbound11:25:566
662951993331,2cyclictest1023586-21kworker/u16:3+flush-8:010:21:136
662946993331,2cyclictest764312-21kworker/u16:1+flush-8:009:41:255
662946993331,2cyclictest598673-21kworker/u16:3+events_unbound07:21:545
662946993331,2cyclictest1303535-21kworker/u16:0+flush-8:012:33:495
662946993331,2cyclictest1288892-21kworker/u16:4+events_unbound12:31:325
662946993331,2cyclictest1180377-21kworker/u16:0+flush-8:011:04:325
662946993331,2cyclictest1155350-21kworker/u16:2+flush-8:011:11:015
662951993230,2cyclictest764312-21kworker/u16:1+events_unbound09:09:256
662951993230,2cyclictest1376878-21kworker/u16:2+flush-8:012:27:206
662951993230,2cyclictest1265039-21kworker/u16:2+flush-8:011:37:416
662951993230,2cyclictest1142850-21kworker/u16:3+flush-8:011:14:366
662951993230,2cyclictest1057149-21kworker/u16:1+flush-8:010:13:416
662946993230,2cyclictest764312-21kworker/u16:1+flush-8:009:10:525
662946993230,2cyclictest1303535-21kworker/u16:0+events_unbound12:14:495
662946993230,2cyclictest1303535-21kworker/u16:0+events_unbound12:00:255
662946993230,2cyclictest1265039-21kworker/u16:2+events_unbound12:10:085
662946993230,2cyclictest1229246-21kworker/u16:1+flush-8:011:32:285
662946993230,2cyclictest1142850-21kworker/u16:3+flush-8:011:14:285
662946993230,2cyclictest1057149-21kworker/u16:1+flush-8:010:46:295
662946993230,2cyclictest1023586-21kworker/u16:3+flush-8:010:06:125
662951993129,2cyclictest764312-21kworker/u16:1+flush-8:009:34:056
662951993129,2cyclictest1303535-21kworker/u16:0+flush-8:012:29:526
662951993129,2cyclictest1155350-21kworker/u16:2+events_unbound11:22:426
662951993129,2cyclictest1142850-21kworker/u16:3+flush-8:011:09:416
662951993129,2cyclictest1057149-21kworker/u16:1+events_unbound10:09:336
662951993128,2cyclictest764312-21kworker/u16:1+flush-8:009:52:536
662951993128,2cyclictest764312-21kworker/u16:1+events_unbound09:47:536
662946993129,2cyclictest830896-21kworker/u16:2+events_unbound09:23:575
662946993129,2cyclictest764312-21kworker/u16:1+flush-8:009:53:325
662946993129,2cyclictest764312-21kworker/u16:1+events_unbound09:15:135
662946993129,2cyclictest1265039-21kworker/u16:2+flush-8:011:39:215
662946993129,2cyclictest1142850-21kworker/u16:3+events_unbound10:57:285
662942993128,2cyclictest1057149-21kworker/u16:1+flush-8:010:13:074
662951993028,2cyclictest830896-21kworker/u16:2+events_unbound09:21:136
662951993028,2cyclictest1303535-21kworker/u16:0+flush-8:012:16:456
662951993028,2cyclictest1303535-21kworker/u16:0+events_unbound11:54:086
662951993028,2cyclictest1288892-21kworker/u16:4+flush-8:012:04:366
662951993028,2cyclictest1142850-21kworker/u16:3+flush-8:010:50:126
662951993028,2cyclictest1120453-21kworker/u16:2+events_unbound10:40:376
662951993028,2cyclictest1023586-21kworker/u16:3+events_unbound10:06:376
662946993028,2cyclictest900250-21kworker/u16:0+flush-8:010:01:055
662946993028,2cyclictest830896-21kworker/u16:2+flush-8:009:44:215
662946993028,2cyclictest830896-21kworker/u16:2+flush-8:009:44:215
662946993028,2cyclictest1155350-21kworker/u16:2+events_unbound11:21:405
662946993028,2cyclictest1142729-21kworker/u16:0+events_unbound10:49:175
662946993028,2cyclictest1023586-21kworker/u16:3+events_unbound10:27:495
662942993028,2cyclictest598673-21kworker/u16:3+events_unbound07:16:554
662942993028,2cyclictest1057149-21kworker/u16:1+events_unbound10:23:124
662942993025,3cyclictest830896-21kworker/u16:2+events_unbound09:08:034
66261623020,7sleep60-21swapper/607:07:166
662951992927,2cyclictest773799-21kworker/u16:3+flush-8:008:44:176
662951992927,2cyclictest764312-21kworker/u16:1+flush-8:009:16:106
662951992927,2cyclictest764312-21kworker/u16:1+flush-8:007:58:516
662951992927,2cyclictest1288892-21kworker/u16:4+flush-8:011:49:406
662951992927,2cyclictest1277567-21kworker/u16:3+events_unbound11:45:136
662951992927,2cyclictest1265039-21kworker/u16:2+events_unbound11:40:006
662951992927,2cyclictest1229246-21kworker/u16:1+events_unbound11:32:096
662946992927,2cyclictest900250-21kworker/u16:0+flush-8:009:35:095
662946992927,2cyclictest830896-21kworker/u16:2+flush-8:009:30:045
662946992927,2cyclictest1120453-21kworker/u16:2+flush-8:010:40:205
662946992826,2cyclictest1303535-21kworker/u16:0+events_unbound12:05:565
662942992825,3cyclictest1057149-21kworker/u16:1+events_unbound10:33:164
662951992725,2cyclictest764312-21kworker/u16:1+events_unbound09:32:096
662951992725,2cyclictest1303535-21kworker/u16:0+events_unbound12:10:596
662946992725,2cyclictest764312-21kworker/u16:1+flush-8:008:54:015
662946992724,2cyclictest773799-21kworker/u16:3+flush-8:009:02:515
662946992724,2cyclictest773799-21kworker/u16:3+flush-8:009:02:515
662942992724,2cyclictest1057149-21kworker/u16:1+events_unbound10:52:504
662942992623,2cyclictest764312-21kworker/u16:1+events_unbound09:48:014
662955992520,4cyclictest822137-21latency_hist08:27:507
662951992523,2cyclictest598673-21kworker/u16:3+events_unbound07:27:016
662951992523,2cyclictest1142850-21kworker/u16:3+events_unbound11:06:496
662946992523,2cyclictest715724-21kworker/u16:4+events_unbound07:46:185
662951992422,2cyclictest773799-21kworker/u16:3+events_unbound08:18:006
662951992422,2cyclictest1303535-21kworker/u16:0+flush-8:012:22:116
662951992422,2cyclictest1303535-21kworker/u16:0+flush-8:012:22:116
662946992422,2cyclictest598673-21kworker/u16:3+events_unbound07:17:425
662942992421,3cyclictest598673-21kworker/u16:3+events_unbound07:23:144
662951992321,2cyclictest764312-21kworker/u16:1+events_unbound08:52:456
662946992321,2cyclictest773799-21kworker/u16:3+flush-8:008:31:295
662946992321,2cyclictest764312-21kworker/u16:1+events_unbound08:45:415
662942992321,2cyclictest686005-21kworker/u16:4+flush-8:007:18:094
662951992220,2cyclictest832021-21kworker/u16:4+flush-8:008:37:566
662951992220,2cyclictest773799-21kworker/u16:3+flush-8:009:07:176
662951992220,2cyclictest773799-21kworker/u16:3+flush-8:009:07:176
662951992220,2cyclictest701459-21kworker/u16:2+flush-8:007:57:506
662946992220,2cyclictest773799-21kworker/u16:3+events_unbound08:11:255
662946992220,2cyclictest753911-21kworker/u16:0+flush-8:008:17:175
662946992220,2cyclictest715724-21kworker/u16:4+flush-8:007:57:215
662946992220,2cyclictest715724-21kworker/u16:4+events_unbound07:41:215
662946992220,2cyclictest598673-21kworker/u16:3+events_unbound07:26:185
66295599210,19cyclictest685971-21fwupd07:16:437
662951992119,2cyclictest773799-21kworker/u16:3+flush-8:008:16:186
662951992119,2cyclictest764312-21kworker/u16:1+flush-8:008:55:006
662951992119,2cyclictest696985-21kworker/u16:1+flush-8:007:28:596
662946992119,2cyclictest773799-21kworker/u16:3+flush-8:008:41:015
662942992119,2cyclictest1303535-21kworker/u16:0+flush-8:011:58:204
662951992018,2cyclictest715724-21kworker/u16:4+flush-8:007:37:216
662946992018,2cyclictest832021-21kworker/u16:4+flush-8:008:37:175
662946992018,2cyclictest715724-21kworker/u16:4+flush-8:007:51:005
662946992018,2cyclictest715724-21kworker/u16:4+events_unbound07:37:265
662946992018,2cyclictest701459-21kworker/u16:2+flush-8:008:03:075
662942992018,2cyclictest1155350-21kworker/u16:2+events_unbound11:18:154
662942992018,2cyclictest1142729-21kworker/u16:0+flush-8:010:45:174
662942992016,3cyclictest773799-21kworker/u16:3+events_unbound08:58:094
662955991917,1cyclictest0-21swapper/710:35:507
662951991917,2cyclictest598673-21kworker/u16:3+events_unbound07:45:176
662946991917,2cyclictest773799-21kworker/u16:3+events_unbound08:21:175
662942991917,2cyclictest773799-21kworker/u16:3+flush-8:008:13:174
662942991917,2cyclictest1057149-21kworker/u16:1+flush-8:010:18:194
662955991813,4cyclictest997819-21latency_hist09:47:507
662955991813,4cyclictest997819-21latency_hist09:47:507
662946991816,2cyclictest773799-21kworker/u16:3+flush-8:009:01:215
662942991816,2cyclictest900250-21kworker/u16:0+flush-8:009:13:134
662942991816,2cyclictest598673-21kworker/u16:3+events_unbound07:38:194
662942991816,2cyclictest1229246-21kworker/u16:1+flush-8:011:28:174
662955991714,2cyclictest0-21swapper/707:47:507
66295599170,1cyclictest0-21swapper/707:08:157
66295599170,16cyclictest0-21swapper/707:58:157
662951991715,2cyclictest773799-21kworker/u16:3+events_unbound08:11:176
662951991715,2cyclictest764312-21kworker/u16:1+flush-8:008:59:596
662951991715,2cyclictest613659-21kworker/u16:0+events_unbound07:09:006
662951991715,2cyclictest598673-21kworker/u16:3+events_unbound07:40:506
662942991715,2cyclictest900250-21kworker/u16:0+flush-8:010:03:114
662942991715,2cyclictest1288892-21kworker/u16:4+events_unbound12:03:024
662942991714,3cyclictest1288892-21kworker/u16:4+events_unbound12:28:054
66295599160,14cyclictest0-21swapper/708:03:147
662951991614,2cyclictest753911-21kworker/u16:0+events_unbound07:50:186
662951991614,2cyclictest686005-21kworker/u16:4+events_unbound07:19:516
662946991614,2cyclictest598673-21kworker/u16:3+events_unbound07:12:185
662942991614,2cyclictest773799-21kworker/u16:3+flush-8:008:18:214
662942991614,2cyclictest715724-21kworker/u16:4+flush-8:007:58:124
662942991614,2cyclictest715724-21kworker/u16:4+flush-8:007:53:154
662942991613,2cyclictest598673-21kworker/u16:3+flush-8:007:28:144
662942991611,4cyclictest671731-21smart_sda07:08:184
66295599157,6cyclictest6530-21gmain07:53:167
66295599155,9cyclictest1108-21ntpd11:04:477
662955991510,4cyclictest1376941-21cat12:22:497
662955991510,4cyclictest1376941-21cat12:22:497
66295599150,1cyclictest0-21swapper/709:53:137
66295599150,14cyclictest0-21swapper/710:18:147
66295599150,13cyclictest0-21swapper/711:08:137
66295599150,13cyclictest0-21swapper/710:08:157
66295599150,13cyclictest0-21swapper/709:08:147
662951991512,2cyclictest773799-21kworker/u16:3+events_unbound08:22:596
662946991513,2cyclictest764312-21kworker/u16:1+flush-8:008:49:025
662942991513,2cyclictest1265039-21kworker/u16:2+flush-8:012:13:134
662942991513,2cyclictest1229246-21kworker/u16:1+flush-8:011:23:144
662942991511,3cyclictest900250-21kworker/u16:0+events_unbound10:28:074
66295599148,5cyclictest705592-21latency_hist07:27:507
662955991412,1cyclictest0-21swapper/712:13:157
66295599140,1cyclictest0-21swapper/711:33:137
66295599140,12cyclictest0-21swapper/710:38:147
66295199140,13cyclictest0-21swapper/608:32:506
662942991413,1cyclictest0-21swapper/411:33:004
662942991413,1cyclictest0-21swapper/411:06:024
662942991413,1cyclictest0-21swapper/409:42:104
662942991412,2cyclictest764312-21kworker/u16:1+flush-8:009:37:454
662942991412,2cyclictest764312-21kworker/u16:1+flush-8:008:48:104
662942991412,2cyclictest715724-21kworker/u16:4+flush-8:007:48:034
662942991412,2cyclictest1303535-21kworker/u16:0+flush-8:012:33:184
66294299140,14cyclictest0-21swapper/412:26:364
66294299140,14cyclictest0-21swapper/412:11:004
66294299140,14cyclictest0-21swapper/411:15:304
66295599139,3cyclictest1313253-21rm11:53:197
66295599139,3cyclictest1302-21snmpd12:00:577
662955991311,1cyclictest934801-21ssh09:19:317
66295599130,11cyclictest1302-21snmpd11:38:097
662946991311,2cyclictest764312-21kworker/u16:1+events_unbound08:02:415
662946991311,2cyclictest753911-21kworker/u16:0+events_unbound08:26:145
662942991312,1cyclictest0-21swapper/412:19:024
662942991312,1cyclictest0-21swapper/412:19:024
662942991312,1cyclictest0-21swapper/410:53:354
662942991312,1cyclictest0-21swapper/410:08:394
662942991311,2cyclictest764312-21kworker/u16:1+flush-8:008:33:174
662942991310,2cyclictest1303535-21kworker/u16:0+events_unbound11:53:154
66294299130,13cyclictest0-21swapper/411:51:464
66294299130,0cyclictest0-21swapper/411:40:064
66295599129,2cyclictest1302-21snmpd10:23:127
66295599129,2cyclictest1302-21snmpd09:39:147
66295599128,3cyclictest1302-21snmpd11:44:247
66295599128,3cyclictest1302-21snmpd07:42:097
66295599127,4cyclictest899821-21latency_hist09:07:507
66295599127,4cyclictest899821-21latency_hist09:07:507
66295599127,4cyclictest6233-21gvfs-afc-volume08:13:077
66295599127,4cyclictest1046766-21latency_hist10:07:507
66295599126,5cyclictest870770-21latency_hist08:52:507
66295599122,8cyclictest1302-21snmpd09:48:247
662942991211,1cyclictest0-21swapper/410:38:364
662942991211,1cyclictest0-21swapper/409:17:534
662942991210,2cyclictest773799-21kworker/u16:3+flush-8:008:23:204
66294299120,1cyclictest0-21swapper/408:29:294
66295599119,1cyclictest899822-21diskmemload12:33:087
66295599119,1cyclictest1293774-21tr11:48:087
66295599119,1cyclictest0-21swapper/710:58:047
66295599119,1cyclictest0-21swapper/708:58:097
66295599118,2cyclictest1302-21snmpd11:20:147
66295599118,2cyclictest1302-21snmpd11:14:027
66295599118,2cyclictest1302-21snmpd10:16:427
66295599118,2cyclictest1302-21snmpd09:32:357
66295599118,2cyclictest1302-21snmpd08:11:217
66295599118,2cyclictest1302-21snmpd07:19:207
66295599117,3cyclictest923327-21ssh09:16:057
66295599117,3cyclictest1302-21snmpd11:23:387
66295599117,3cyclictest1085-21runrttasks10:43:317
66295599116,4cyclictest1399625-21sh12:29:517
66295599115,5cyclictest1256-21tuned-ppd08:18:217
66295599114,6cyclictest6530-21gmain08:38:127
66295599110,10cyclictest1302-21snmpd10:50:467
66295599110,10cyclictest1302-21snmpd10:00:397
66295199119,1cyclictest0-21swapper/608:33:096
66295199119,1cyclictest0-21swapper/608:03:096
66294699119,2cyclictest696985-21kworker/u16:1+flush-8:007:31:255
66294299119,2cyclictest753911-21kworker/u16:0+flush-8:008:08:154
662942991110,1cyclictest0-21swapper/410:02:404
66295599109,0cyclictest0-21swapper/708:53:067
66295599109,0cyclictest0-21swapper/707:43:037
66295599108,1cyclictest1386914-21ssh12:23:567
66295599107,2cyclictest1302-21snmpd09:23:087
66295599106,3cyclictest1302-21snmpd10:29:197
66295599106,3cyclictest1302-21snmpd08:44:137
66295599106,3cyclictest1302-21snmpd08:33:527
66295599106,2cyclictest0-21swapper/712:08:107
66295599104,5cyclictest1005-21gmain07:28:127
662955991010,0cyclictest0-21swapper/707:36:057
66294299109,1cyclictest0-21swapper/411:45:094
66294299109,1cyclictest0-21swapper/409:45:384
66294299109,1cyclictest0-21swapper/409:45:384
66294299109,1cyclictest0-21swapper/408:38:384
66294299108,2cyclictest773799-21kworker/u16:3+flush-8:008:43:094
66294299107,3cyclictest715724-21kworker/u16:4+flush-8:007:33:174
66294299107,2cyclictest1198214-21kthreadcore11:08:084
6629559995,3cyclictest1302-21snmpd08:28:317
6629429998,1cyclictest0-21swapper/411:00:034
6629429998,1cyclictest0-21swapper/408:54:244
6629429987,1cyclictest1010855-21expr09:53:024
6629429984,3cyclictest779750-21kthreadcore08:03:094
6629429983,4cyclictest742772-21tr07:43:124
6629429974,3cyclictest830896-21kworker/u16:2+flush-8:009:23:054
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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