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2026-06-14 - 23:14
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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 all highest latencies:
System rack0slot2.osadl.org (updated Sun Jun 14, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
312075125747,7sleep50-21swapper/507:01:425
312094625444,7sleep40-21swapper/407:04:304
3121333994745,2cyclictest3630335-21kworker/u16:5+flush-8:011:02:275
3121335994240,2cyclictest3856689-21kworker/u16:2+events_unbound12:34:316
3121335994139,2cyclictest3376590-21kworker/u16:1+events_unbound10:02:446
3121333994035,2cyclictest3728603-21kworker/u16:1+flush-8:011:56:175
31207802404,30sleep70-21swapper/707:02:087
3121335993937,2cyclictest3534018-21kworker/u16:1+events_unbound10:43:276
3121335993937,2cyclictest3428267-21kworker/u16:0+events_unbound10:21:006
3121335993937,2cyclictest3376887-21kworker/u16:4+events_unbound11:27:396
3121335993937,2cyclictest3279120-21kworker/u16:0+events_unbound08:36:296
3121335993837,1cyclictest3428267-21kworker/u16:0+flush-8:009:45:586
3121335993836,2cyclictest3728603-21kworker/u16:1+events_unbound11:59:326
3121335993836,2cyclictest3630335-21kworker/u16:5+events_unbound11:15:366
3121335993836,2cyclictest3355817-21kworker/u16:0+flush-8:009:07:076
3121335993735,2cyclictest3777048-21kworker/u16:3+events_unbound12:01:596
3121335993735,2cyclictest3534018-21kworker/u16:1+events_unbound10:17:516
3121333993735,2cyclictest3376590-21kworker/u16:1+flush-8:009:36:565
3121335993634,2cyclictest3376590-21kworker/u16:1+flush-8:009:27:156
3121335993634,2cyclictest3154037-21kworker/u16:3+flush-8:008:45:596
3121335993533,2cyclictest3630285-21kworker/u16:2+flush-8:011:06:396
3121335993533,2cyclictest3376887-21kworker/u16:4+flush-8:011:21:226
3121335993533,2cyclictest3376590-21kworker/u16:1+events_unbound09:40:336
3121333993530,4cyclictest3153850-21kworker/u16:0+flush-8:007:25:585
3121335993432,2cyclictest3668955-21kworker/u16:0+events_unbound11:55:126
3121335993432,2cyclictest3630285-21kworker/u16:2+events_unbound11:17:566
3121335993432,2cyclictest3534018-21kworker/u16:1+events_unbound10:32:446
3121335993432,2cyclictest3376887-21kworker/u16:4+events_unbound10:29:016
3121335993432,2cyclictest3376887-21kworker/u16:4+events_unbound09:35:366
3121335993432,2cyclictest3376590-21kworker/u16:1+flush-8:009:11:366
3121335993432,2cyclictest3376590-21kworker/u16:1+events_unbound09:52:406
3121333993432,2cyclictest3298196-21kworker/u16:2+flush-8:009:10:585
3121335993331,2cyclictest3728603-21kworker/u16:1+events_unbound11:45:166
3121335993331,2cyclictest3668955-21kworker/u16:0+flush-8:011:32:526
3121335993331,2cyclictest3428267-21kworker/u16:0+events_unbound09:48:446
3121335993331,2cyclictest3058566-21kworker/u16:1+events_unbound07:20:536
3121335993330,3cyclictest3668955-21kworker/u16:0+events_unbound11:49:446
3121333993330,2cyclictest3428267-21kworker/u16:0+events_unbound09:46:015
3121335993230,2cyclictest3668955-21kworker/u16:0+events_unbound12:18:046
3121335993230,2cyclictest3668955-21kworker/u16:0+events_unbound12:18:046
3121335993230,2cyclictest3630335-21kworker/u16:5+events_unbound10:57:516
3121335993230,2cyclictest3548246-21kworker/u16:3+events_unbound10:55:246
3121335993230,2cyclictest3428267-21kworker/u16:0+events_unbound09:58:486
3121335993230,2cyclictest3376887-21kworker/u16:4+events_unbound11:05:366
3121335993230,2cyclictest3376887-21kworker/u16:4+events_unbound10:12:156
3121335993230,2cyclictest3298196-21kworker/u16:2+events_unbound09:19:486
3121335993129,2cyclictest3668955-21kworker/u16:0+events_unbound12:23:286
3121335993129,2cyclictest3668955-21kworker/u16:0+events_unbound11:38:126
3121335993129,2cyclictest3668955-21kworker/u16:0+events_unbound11:38:126
3121335993129,2cyclictest3548246-21kworker/u16:3+events_unbound10:48:166
3121335993129,2cyclictest3428267-21kworker/u16:0+events_unbound10:09:276
3121335993129,2cyclictest3376590-21kworker/u16:1+events_unbound09:23:296
3121333993128,2cyclictest3376590-21kworker/u16:1+events_unbound10:03:095
3121330993129,2cyclictest3548246-21kworker/u16:3+flush-8:010:56:194
3121339993026,3cyclictest124-21kswapd010:41:127
3121335993028,2cyclictest3809550-21kworker/u16:1+events_unbound12:29:206
3121335993028,2cyclictest3788748-21kworker/u16:4+events_unbound12:10:276
3121335993028,2cyclictest3154037-21kworker/u16:3+events_unbound08:07:086
3121333993028,2cyclictest3376887-21kworker/u16:4+events_unbound11:15:535
3121330993028,2cyclictest3668955-21kworker/u16:0+events_unbound12:16:194
3121330993028,2cyclictest3668955-21kworker/u16:0+events_unbound12:16:194
3121335992927,2cyclictest3279120-21kworker/u16:0+events_unbound08:54:086
3121333992927,2cyclictest3298196-21kworker/u16:2+flush-8:009:25:585
3121333992927,2cyclictest3153850-21kworker/u16:0+events_unbound07:31:195
3121333992927,2cyclictest3153850-21kworker/u16:0+events_unbound07:31:195
3121333992926,2cyclictest3376887-21kworker/u16:4+flush-8:010:35:585
3121330992925,3cyclictest3548246-21kworker/u16:3+flush-8:010:45:534
35218282280,1chrt3521829-21ssh10:11:437
3121335992826,2cyclictest3668955-21kworker/u16:0+events_unbound12:12:406
3121335992825,2cyclictest3154037-21kworker/u16:3+flush-8:008:26:086
3121333992826,2cyclictest3668955-21kworker/u16:0+events_unbound12:21:275
3121333992826,2cyclictest3668955-21kworker/u16:0+events_unbound11:16:195
3121333992826,2cyclictest3298196-21kworker/u16:2+events_unbound09:17:375
3121339992725,1cyclictest3637553-21ssh11:01:177
3121339992722,4cyclictest3713011-21seq11:31:187
3121333992724,2cyclictest3788748-21kworker/u16:4+events_unbound12:11:085
3121333992624,2cyclictest3428267-21kworker/u16:0+flush-8:010:16:165
3121330992624,2cyclictest3376887-21kworker/u16:4+flush-8:010:11:274
3121330992624,2cyclictest3376887-21kworker/u16:4+events_unbound10:46:234
312133999250,23cyclictest3403797-21ls09:25:587
3121335992523,2cyclictest3534018-21kworker/u16:1+events_unbound10:36:366
3121335992523,2cyclictest3279120-21kworker/u16:0+events_unbound08:35:466
3121335992523,2cyclictest3230862-21kworker/u16:4+events_unbound08:14:086
3121333992523,2cyclictest3534018-21kworker/u16:1+flush-8:010:51:195
3121333992523,2cyclictest3376887-21kworker/u16:4+events_unbound11:06:275
3121333992523,2cyclictest3154037-21kworker/u16:3+flush-8:009:11:135
3121333992522,2cyclictest3298196-21kworker/u16:2+flush-8:009:01:175
3121330992522,2cyclictest2375465-21kworker/u16:2+flush-8:007:16:114
3121335992422,2cyclictest3058566-21kworker/u16:1+flush-8:007:35:086
3121335992422,2cyclictest3058566-21kworker/u16:1+flush-8:007:35:086
3121335992422,2cyclictest3058566-21kworker/u16:1+events_unbound07:59:096
3121333992422,2cyclictest3376590-21kworker/u16:1+events_unbound10:06:135
3121333992421,2cyclictest3548246-21kworker/u16:3+flush-8:010:40:595
3121333992421,2cyclictest3428267-21kworker/u16:0+events_unbound09:40:595
3121333992420,2cyclictest3083238-21kworker/u16:5+flush-8:007:10:595
3121330992422,2cyclictest3728603-21kworker/u16:1+events_unbound11:51:104
3121339992322,0cyclictest0-21swapper/712:12:427
3121339992318,4cyclictest635-21systemd-journal12:10:577
3121339992318,4cyclictest635-21systemd-journal07:25:587
3121335992321,2cyclictest3154037-21kworker/u16:3+events_unbound07:38:096
3121333992321,2cyclictest3728603-21kworker/u16:1+flush-8:012:01:085
3121333992321,2cyclictest3376887-21kworker/u16:4+events_unbound10:23:315
3121333992321,2cyclictest3058566-21kworker/u16:1+flush-8:007:26:145
3121333992321,2cyclictest3058566-21kworker/u16:1+events_unbound08:25:585
3121333992321,2cyclictest3058566-21kworker/u16:1+events_unbound08:11:285
3121333992320,2cyclictest3154037-21kworker/u16:3+flush-8:007:51:145
3121333992319,3cyclictest3154037-21kworker/u16:3+events_unbound08:16:105
3121333992319,3cyclictest3154037-21kworker/u16:3+events_unbound08:16:105
3121330992321,2cyclictest3668955-21kworker/u16:0+events_unbound12:06:134
3121330992321,2cyclictest3058566-21kworker/u16:1+flush-8:008:00:594
3121330992320,2cyclictest3376887-21kworker/u16:4+flush-8:009:46:304
3121330992320,2cyclictest3154037-21kworker/u16:3+flush-8:009:06:264
3121339992221,0cyclictest0-21swapper/709:01:267
3121339992220,1cyclictest3355700-21diskmemload09:50:087
3121339992217,3cyclictest3776676-21cat12:00:587
312133999220,20cyclictest3678191-21sshd-session11:16:327
3121335992220,2cyclictest3201874-21kworker/u16:2+events_unbound07:55:096
3121335992220,2cyclictest3154037-21kworker/u16:3+events_unbound07:26:296
3121333992220,2cyclictest3809550-21kworker/u16:1+events_unbound12:33:195
3121330992220,2cyclictest3376590-21kworker/u16:1+flush-8:009:11:374
3121330992220,2cyclictest3279120-21kworker/u16:0+flush-8:008:26:154
3121330992219,2cyclictest3428267-21kworker/u16:0+flush-8:010:21:184
312083722212,7sleep60-21swapper/607:02:556
3121339992120,0cyclictest0-21swapper/711:29:327
3121339992119,1cyclictest0-21swapper/710:51:247
3121335992119,2cyclictest3058566-21kworker/u16:1+events_unbound07:15:546
3121333992119,2cyclictest3668955-21kworker/u16:0+events_unbound11:33:075
3121333992119,2cyclictest3154037-21kworker/u16:3+events_unbound08:41:205
3121330992119,2cyclictest3230862-21kworker/u16:4+events_unbound08:11:164
3121330992118,3cyclictest3376887-21kworker/u16:4+flush-8:009:36:244
3121330992117,3cyclictest3630285-21kworker/u16:2+events_unbound11:16:154
3121339992019,0cyclictest0-21swapper/711:06:157
3121339992017,2cyclictest3301728-21grep08:36:167
3121335992018,2cyclictest3279120-21kworker/u16:0+events_unbound08:47:326
3121335992018,2cyclictest3230862-21kworker/u16:4+events_unbound08:23:086
3121333992018,2cyclictest3788748-21kworker/u16:4+events_unbound12:10:075
3121333992018,2cyclictest3668955-21kworker/u16:0+events_unbound12:16:095
3121333992018,2cyclictest3668955-21kworker/u16:0+events_unbound12:16:095
3121333992018,2cyclictest3668955-21kworker/u16:0+events_unbound11:41:165
3121333992018,2cyclictest3534018-21kworker/u16:1+flush-8:010:56:165
3121333992018,2cyclictest3428267-21kworker/u16:0+events_unbound09:56:395
3121330992018,2cyclictest3428267-21kworker/u16:0+flush-8:010:06:274
3121330992017,2cyclictest3376887-21kworker/u16:4+flush-8:009:31:154
3121339991915,3cyclictest124-21kswapd010:57:167
3121335991917,2cyclictest3230862-21kworker/u16:4+events_unbound08:17:166
3121335991917,2cyclictest3230862-21kworker/u16:4+events_unbound08:17:166
3121335991917,2cyclictest2375465-21kworker/u16:2+flush-8:007:10:596
3121333991917,2cyclictest3668955-21kworker/u16:0+events_unbound12:28:435
3121333991917,2cyclictest3630285-21kworker/u16:2+events_unbound11:39:405
3121333991917,2cyclictest3630285-21kworker/u16:2+events_unbound11:39:405
3121333991917,2cyclictest3548246-21kworker/u16:3+events_unbound10:40:565
3121333991917,2cyclictest3376887-21kworker/u16:4+flush-8:010:26:525
3121333991917,2cyclictest3376590-21kworker/u16:1+events_unbound09:54:165
3121333991917,2cyclictest3298196-21kworker/u16:2+events_unbound09:32:115
3121330991916,2cyclictest3083238-21kworker/u16:5+events_unbound07:06:124
3121339991816,1cyclictest0-21swapper/708:01:287
3121339991815,2cyclictest1234-21snmpd09:11:227
3121339991813,4cyclictest3740503-21latency_hist11:45:587
3121339991813,4cyclictest1234-21snmpd07:35:597
3121335991816,2cyclictest3058566-21kworker/u16:1+flush-8:007:49:086
3121333991816,2cyclictest3668955-21kworker/u16:0+events_unbound11:55:085
3121330991814,3cyclictest3376887-21kworker/u16:4+flush-8:009:16:204
3121339991716,0cyclictest0-21swapper/710:36:177
312133999171,14cyclictest3473013-21ssh09:51:247
3121333991715,2cyclictest3376887-21kworker/u16:4+flush-8:011:21:275
3121333991715,2cyclictest3279120-21kworker/u16:0+flush-8:008:26:245
3121333991714,2cyclictest3534018-21kworker/u16:1+events_unbound10:46:015
3121330991715,2cyclictest3856689-21kworker/u16:2+flush-8:012:35:534
3121330991715,2cyclictest3809550-21kworker/u16:1+events_unbound12:26:204
3121330991714,3cyclictest3376887-21kworker/u16:4+flush-8:011:06:134
3121339991614,1cyclictest0-21swapper/709:45:157
3121339991614,1cyclictest0-21swapper/707:26:187
3121339991613,2cyclictest3436966-21sh09:36:237
3121339991612,3cyclictest1234-21snmpd09:59:537
312133999160,1cyclictest0-21swapper/707:56:237
3121335991614,2cyclictest3154037-21kworker/u16:3+events_unbound07:44:076
3121333991615,1cyclictest3428267-21kworker/u16:0+events_unbound10:14:285
3121333991614,2cyclictest3668955-21kworker/u16:0+events_unbound11:50:525
3121333991614,2cyclictest3376887-21kworker/u16:4+events_unbound11:28:595
3121333991614,2cyclictest3201874-21kworker/u16:2+flush-8:007:46:245
3121333991614,2cyclictest3153850-21kworker/u16:0+events_unbound07:41:245
3121330991614,2cyclictest3668955-21kworker/u16:0+flush-8:012:21:184
3121330991614,2cyclictest3154037-21kworker/u16:3+flush-8:007:41:214
3121330991613,2cyclictest3376590-21kworker/u16:1+events_unbound09:26:114
3121339991514,0cyclictest0-21swapper/709:26:157
3121339991512,2cyclictest0-21swapper/711:35:587
3121339991512,2cyclictest0-21swapper/711:35:587
3121339991511,3cyclictest1234-21snmpd10:19:067
3121339991510,4cyclictest3692510-21latency_hist11:25:587
3121335991513,2cyclictest3279120-21kworker/u16:0+events_unbound08:56:236
3121335991513,2cyclictest3153850-21kworker/u16:0+events_unbound07:25:336
3121333991513,2cyclictest3058566-21kworker/u16:1+flush-8:007:11:205
3121330991514,1cyclictest0-21swapper/412:04:454
3121330991513,2cyclictest3668955-21kworker/u16:0+flush-8:012:11:024
3121330991513,2cyclictest3428267-21kworker/u16:0+events_unbound10:01:164
3121330991513,2cyclictest3376887-21kworker/u16:4+events_unbound11:26:114
3121330991513,2cyclictest3376887-21kworker/u16:4+events_unbound10:36:114
3121330991513,2cyclictest3376887-21kworker/u16:4+events_unbound10:26:254
3121330991513,2cyclictest3154037-21kworker/u16:3+flush-8:008:41:364
3121330991513,2cyclictest3058566-21kworker/u16:1+events_unbound07:26:124
312133999148,5cyclictest3346109-21latency_hist09:00:587
312133999148,5cyclictest3211447-21latency_hist07:50:597
3121339991413,0cyclictest0-21swapper/708:31:007
3121339991412,1cyclictest0-21swapper/708:46:237
3121339991412,1cyclictest0-21swapper/708:21:197
3121339991410,3cyclictest1234-21snmpd08:27:577
312133999140,1cyclictest0-21swapper/710:01:267
312133999140,13cyclictest0-21swapper/708:51:227
3121333991413,1cyclictest0-21swapper/508:06:185
3121333991412,2cyclictest3279120-21kworker/u16:0+events_unbound08:51:205
3121333991412,2cyclictest3201874-21kworker/u16:2+events_unbound07:56:125
3121330991413,1cyclictest0-21swapper/411:34:394
3121330991412,2cyclictest3376887-21kworker/u16:4+flush-8:011:11:114
3121330991412,2cyclictest3376590-21kworker/u16:1+flush-8:009:56:214
312133099140,1cyclictest0-21swapper/409:42:424
312133099140,14cyclictest0-21swapper/411:45:134
312133999139,3cyclictest1234-21snmpd10:29:247
312133999139,3cyclictest1234-21snmpd08:11:397
312133999135,7cyclictest6032-21gmain11:11:237
3121339991312,0cyclictest0-21swapper/707:31:177
3121339991312,0cyclictest0-21swapper/707:31:177
3121339991311,1cyclictest3355700-21diskmemload12:01:127
3121339991310,2cyclictest3391765-21munin-run09:20:587
3121333991311,2cyclictest3345821-21kworker/u16:1+flush-8:009:00:535
312133399130,13cyclictest0-21swapper/509:26:525
3121330991312,1cyclictest3728603-21kworker/u16:1+events_unbound11:49:094
3121330991312,1cyclictest0-21swapper/411:24:334
3121330991312,1cyclictest0-21swapper/411:04:044
3121330991312,1cyclictest0-21swapper/410:15:584
3121330991311,2cyclictest3534018-21kworker/u16:1+flush-8:010:31:264
3121330991311,2cyclictest3153850-21kworker/u16:0+flush-8:007:36:224
312133999129,2cyclictest1234-21snmpd10:24:547
312133999129,2cyclictest0-21swapper/712:26:237
312133999129,2cyclictest0-21swapper/711:50:587
312133999129,2cyclictest0-21swapper/707:40:597
312133999128,3cyclictest5975-21gmain07:51:197
312133999128,3cyclictest1234-21snmpd11:46:027
312133999128,3cyclictest1234-21snmpd10:34:217
312133999128,3cyclictest1234-21snmpd07:08:567
312133999126,5cyclictest6382-21gvfs-afc-volume08:41:207
312133999126,5cyclictest6382-21gvfs-afc-volume07:16:217
312133999125,6cyclictest5822-21gmain12:18:037
312133999125,6cyclictest5822-21gmain12:18:037
3121339991210,1cyclictest0-21swapper/712:25:237
3121339991210,1cyclictest0-21swapper/710:06:157
312133599124,7cyclictest0-21swapper/608:01:156
3121333991210,2cyclictest3153850-21kworker/u16:0+events_unbound07:36:275
312133099129,2cyclictest3058566-21kworker/u16:1+flush-8:008:36:154
312133099127,4cyclictest3135808-21cat07:11:144
3121330991211,1cyclictest0-21swapper/408:04:204
3121330991210,2cyclictest3154037-21kworker/u16:3+flush-8:008:46:244
312133999118,2cyclictest1234-21snmpd08:19:247
312133999118,2cyclictest1234-21snmpd08:19:247
312133999117,3cyclictest1234-21snmpd10:50:137
312133999117,3cyclictest1234-21snmpd09:10:407
312133999115,5cyclictest6382-21gvfs-afc-volume09:35:487
312133999110,10cyclictest3859885-21sshd-session12:34:317
312133399119,2cyclictest2375465-21kworker/u16:2+flush-8:007:16:225
312133099119,2cyclictest3428267-21kworker/u16:0+flush-8:009:51:244
312133099117,3cyclictest3376887-21kworker/u16:4+flush-8:011:36:414
312133099117,3cyclictest3376887-21kworker/u16:4+flush-8:011:36:414
3121330991110,1cyclictest0-21swapper/410:53:304
312133099110,11cyclictest0-21swapper/408:59:024
312133999107,2cyclictest1234-21snmpd08:09:307
312133999106,3cyclictest1234-21snmpd07:13:597
312133599100,4cyclictest3354433-21cut09:01:196
312133099108,2cyclictest3230862-21kworker/u16:4+flush-8:008:16:304
312133099108,2cyclictest3230862-21kworker/u16:4+flush-8:008:16:304
31213339997,2cyclictest3279120-21kworker/u16:0+events_unbound08:31:125
31213309996,2cyclictest0-21swapper/407:51:194
31213339983,4cyclictest3325568-21cut08:46:195
31213309986,2cyclictest3154037-21kworker/u16:3+events_unbound08:06:274
31213309986,1cyclictest0-21swapper/408:31:154
31213309986,1cyclictest0-21swapper/407:46:224
31213309986,1cyclictest0-21swapper/407:31:164
31213309986,1cyclictest0-21swapper/407:31:164
31213309985,2cyclictest3766325-21cut11:56:154
31213309985,2cyclictest3328164-21cut08:51:124
31213309983,4cyclictest3393003-21hddtemp_smartct09:21:134
31213309983,4cyclictest3352221-21cut09:01:184
31213309983,4cyclictest3162461-21nfs_client07:21:214
31213339975,1cyclictest0-21swapper/508:36:105
31213339973,3cyclictest3231153-21cpuspeed08:01:125
31213309975,1cyclictest0-21swapper/408:21:164
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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