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2026-06-12 - 14:17
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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 Fri Jun 12, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6524812960,1sleep7652483-21tr08:21:257
11326082560,0sleep71132609-21ssh11:50:507
501810994745,1cyclictest620634-21kworker/u16:2+flush-8:012:06:065
628089450,37rtkit-daemon0-21swapper/407:02:424
501816994438,5cyclictest649343-21latency_hist08:21:067
5013362435,32sleep70-21swapper/707:03:377
50146624232,7sleep50-21swapper/507:05:285
501816993837,0cyclictest0-21swapper/708:36:067
501810993735,1cyclictest879924-21kworker/u16:1+flush-8:010:16:065
501802993735,2cyclictest856249-21kworker/u16:3+events_unbound10:46:344
501802993734,2cyclictest581875-21kworker/u16:1+flush-8:009:16:294
501810993533,2cyclictest879924-21kworker/u16:1+events_unbound10:21:295
501810993428,5cyclictest716605-21kworker/u16:4+flush-8:009:06:325
501816993327,5cyclictest591823-21latency_hist07:51:077
501802993331,2cyclictest620634-21kworker/u16:2+flush-8:011:51:364
501816993230,1cyclictest735623-21diskmemload12:06:247
501816993226,5cyclictest795752-21latency_hist09:31:067
501802993230,2cyclictest831350-21kworker/u16:4+flush-8:009:45:104
501802993130,1cyclictest856249-21kworker/u16:3+events_unbound11:28:454
501802993128,2cyclictest831336-21kworker/u16:0+flush-8:009:56:174
8278992290,1chrt827901-21ssh09:41:307
501816992924,4cyclictest988644-21latency_hist10:51:067
501802992926,2cyclictest1228632-21kworker/u16:0+flush-8:012:31:174
9764842280,1chrt976485-21ssh10:45:507
501816992822,5cyclictest735622-21latency_hist09:06:067
501812992824,3cyclictest620634-21kworker/u16:2+flush-8:011:16:066
501810992826,2cyclictest620634-21kworker/u16:2+flush-8:009:36:295
501802992825,3cyclictest581875-21kworker/u16:1+events_unbound09:11:324
50143822818,7sleep60-21swapper/607:05:056
7722482270,1chrt0-21swapper/709:21:187
501816992722,4cyclictest639771-21latency_hist08:16:067
501816992722,4cyclictest639771-21latency_hist08:16:067
501816992722,4cyclictest1024659-21latency_hist11:06:067
501816992625,0cyclictest0-21swapper/710:01:227
501816992624,1cyclictest881588-21ssh10:06:197
501810992624,2cyclictest856249-21kworker/u16:3+flush-8:012:16:225
501810992624,2cyclictest856249-21kworker/u16:3+flush-8:012:16:225
501802992523,2cyclictest581875-21kworker/u16:1+flush-8:009:41:014
501816992420,2cyclictest925657-21ssh10:21:317
501810992422,2cyclictest831336-21kworker/u16:0+events_unbound09:56:345
501810992422,2cyclictest620634-21kworker/u16:2+flush-8:011:21:295
501810992422,2cyclictest620634-21kworker/u16:2+events_unbound11:11:315
501810992421,3cyclictest1168889-21kworker/u16:4+flush-8:012:35:365
501802992422,2cyclictest856249-21kworker/u16:3+events_unbound11:17:444
501802992421,2cyclictest667327-21kworker/u16:3+events_unbound08:41:204
501802992321,2cyclictest581875-21kworker/u16:1+flush-8:008:11:314
501802992321,2cyclictest581875-21kworker/u16:1+flush-8:008:11:314
501816992221,0cyclictest0-21swapper/711:35:537
501810992220,2cyclictest879924-21kworker/u16:1+events_unbound10:16:345
501802992220,2cyclictest581875-21kworker/u16:1+events_unbound08:26:214
501816992120,0cyclictest0-21swapper/710:35:087
501816992120,0cyclictest0-21swapper/710:16:237
50181699210,20cyclictest1079-21lldpd10:12:017
501810992119,2cyclictest3965255-21kworker/u16:3+flush-8:007:26:335
501810992118,2cyclictest1010641-21kworker/u16:1+events_unbound11:26:245
501802992119,2cyclictest620634-21kworker/u16:2+flush-8:010:51:364
501802992119,2cyclictest620634-21kworker/u16:2+flush-8:010:01:344
501816992019,0cyclictest0-21swapper/711:11:257
501816992018,1cyclictest684711-21cut08:36:277
501810992018,2cyclictest620634-21kworker/u16:2+events_unbound08:56:215
501810992018,2cyclictest620634-21kworker/u16:2+events_unbound08:56:215
501810992017,3cyclictest3965255-21kworker/u16:3+flush-8:007:56:375
501802992017,3cyclictest1168889-21kworker/u16:4+flush-8:012:31:064
501802992017,2cyclictest856249-21kworker/u16:3+events_unbound11:36:204
501816991918,0cyclictest0-21swapper/711:26:207
501816991916,2cyclictest124-21kswapd012:11:197
501816991916,2cyclictest124-21kswapd012:11:197
501810991916,2cyclictest620634-21kworker/u16:2+flush-8:009:46:235
501802991916,3cyclictest473330-21kworker/u16:0+flush-8:007:56:294
501802991916,2cyclictest856249-21kworker/u16:3+flush-8:012:11:234
501802991916,2cyclictest856249-21kworker/u16:3+flush-8:012:11:234
501816991816,1cyclictest1205110-21latency_hist12:21:067
501816991816,1cyclictest1205110-21latency_hist12:21:067
50181299183,14cyclictest736423-21cat09:06:186
501812991813,4cyclictest1134032-21cat11:51:206
501812991811,6cyclictest1220293-21cut12:26:226
50181099189,8cyclictest958166-21cut10:36:255
501810991816,2cyclictest856249-21kworker/u16:3+flush-8:012:06:215
501810991816,2cyclictest856249-21kworker/u16:3+flush-8:010:46:295
501810991816,2cyclictest581875-21kworker/u16:1+events_unbound09:11:305
501802991816,2cyclictest620634-21kworker/u16:2+flush-8:009:26:234
501802991815,3cyclictest581875-21kworker/u16:1+events_unbound09:06:314
501816991715,1cyclictest735623-21diskmemload09:11:207
501816991711,5cyclictest668560-21latency_hist08:31:077
50181699170,1cyclictest0-21swapper/710:36:317
501816991616,0cyclictest0-21swapper/712:25:537
501816991613,2cyclictest928874-21ssh10:26:067
501816991613,2cyclictest0-21swapper/711:41:067
501816991613,2cyclictest0-21swapper/709:06:077
50181699160,14cyclictest0-21swapper/712:01:297
50181299163,6cyclictest1147606-21cut11:56:246
501810991614,2cyclictest620634-21kworker/u16:2+flush-8:011:31:395
501810991614,2cyclictest581875-21kworker/u16:1+events_unbound08:31:345
501810991614,2cyclictest1168889-21kworker/u16:4+flush-8:012:16:015
501810991614,2cyclictest1168889-21kworker/u16:4+flush-8:012:16:015
501810991613,2cyclictest856249-21kworker/u16:3+flush-8:011:36:205
501802991613,2cyclictest856249-21kworker/u16:3+flush-8:011:01:114
50180299160,1cyclictest0-21swapper/410:06:084
501816991514,0cyclictest0-21swapper/708:51:247
501816991514,0cyclictest0-21swapper/707:21:407
501816991513,1cyclictest735623-21diskmemload11:21:337
501816991511,3cyclictest1234-21snmpd11:54:367
50181699150,1cyclictest0-21swapper/709:46:217
50181699150,14cyclictest0-21swapper/711:16:297
50181299151,14cyclictest0-21swapper/610:29:426
501810991513,2cyclictest501552-21kworker/u16:2+events_unbound07:16:355
501810991513,2cyclictest1096779-21kworker/u16:1+events_unbound11:51:195
501810991512,2cyclictest620634-21kworker/u16:2+events_unbound08:51:205
501802991512,2cyclictest525547-21diskstats07:16:204
50180299150,14cyclictest0-21swapper/410:21:074
50181699148,5cyclictest6382-21gvfs-afc-volume10:51:547
50181699140,2cyclictest0-21swapper/711:56:257
50181699140,12cyclictest2358-21crond07:06:087
50181299143,10cyclictest884743-21kthreadcore10:06:236
501812991413,1cyclictest0-21swapper/611:24:536
50181299140,1cyclictest0-21swapper/609:55:586
50181299140,14cyclictest0-21swapper/612:01:286
50181299140,14cyclictest0-21swapper/610:38:426
501810991413,1cyclictest0-21swapper/511:56:585
50181099140,1cyclictest0-21swapper/511:45:185
50181099140,1cyclictest0-21swapper/510:56:545
50181099140,14cyclictest0-21swapper/511:05:535
50181099140,14cyclictest0-21swapper/509:20:245
501802991412,2cyclictest620634-21kworker/u16:2+flush-8:008:56:064
501802991412,2cyclictest473330-21kworker/u16:0+events_unbound07:36:234
501802991411,3cyclictest856249-21kworker/u16:3+flush-8:011:06:224
501802991411,3cyclictest747660-21kworker/u16:0+flush-8:009:21:244
501802991411,2cyclictest667327-21kworker/u16:3+flush-8:008:46:354
501802991410,3cyclictest581875-21kworker/u16:1+flush-8:008:36:244
50180299140,14cyclictest0-21swapper/410:13:334
50181699139,3cyclictest1234-21snmpd11:07:047
50181699139,3cyclictest1234-21snmpd08:49:077
50181699139,3cyclictest1234-21snmpd07:45:477
501816991310,2cyclictest1105742-21ssh11:36:307
50181299139,3cyclictest775265-21cut09:21:256
50181299139,3cyclictest621774-21cat08:06:246
50181299139,3cyclictest1194102-21cat12:16:216
50181299139,3cyclictest1194102-21cat12:16:216
50181299139,3cyclictest1169748-21expr12:06:166
50181299134,8cyclictest858595-21cut09:56:236
50181299134,8cyclictest1124964-21cut11:46:256
50181299133,9cyclictest989731-21fschecks_count10:51:216
50181299133,9cyclictest590439-21kthreadcore07:46:286
501812991312,1cyclictest0-21swapper/612:14:146
501812991312,1cyclictest0-21swapper/612:14:146
501812991312,1cyclictest0-21swapper/610:20:246
501812991312,1cyclictest0-21swapper/609:47:566
501812991312,1cyclictest0-21swapper/609:39:066
50181299130,13cyclictest0-21swapper/611:34:496
50181299130,13cyclictest0-21swapper/609:30:456
50181099139,3cyclictest516205-21cat07:11:225
501810991312,1cyclictest0-21swapper/510:06:555
501810991312,1cyclictest0-21swapper/508:40:505
50180299138,4cyclictest833242-21cat09:46:234
501802991312,1cyclictest0-21swapper/408:21:274
501802991310,2cyclictest747660-21kworker/u16:0+events_unbound09:31:204
501802991310,2cyclictest747660-21kworker/u16:0+events_unbound09:31:204
501802991310,2cyclictest1096779-21kworker/u16:1+flush-8:011:46:214
50180299130,13cyclictest0-21swapper/411:12:024
50180299130,13cyclictest0-21swapper/410:29:384
50181699129,2cyclictest1234-21snmpd09:18:347
50181699129,2cyclictest1234-21snmpd07:15:207
50181699128,3cyclictest1234-21snmpd10:58:377
50181699128,3cyclictest1234-21snmpd09:39:087
50181699128,3cyclictest1234-21snmpd08:02:307
50181699127,4cyclictest6382-21gvfs-afc-volume07:31:277
50181699126,5cyclictest6382-21gvfs-afc-volume07:56:267
50181699125,6cyclictest6101-21gmain07:51:207
501816991211,1cyclictest735623-21diskmemload12:35:217
501816991211,0cyclictest0-21swapper/709:31:177
501816991211,0cyclictest0-21swapper/709:31:177
501816991211,0cyclictest0-21swapper/708:56:317
501816991211,0cyclictest0-21swapper/708:56:317
501816991210,1cyclictest0-21swapper/709:51:317
50181299128,3cyclictest973715-21grep10:41:326
50181299127,4cyclictest868950-21expr10:01:186
50181299125,1cyclictest662205-21kthreadcore08:26:256
50181299124,7cyclictest639545-21chrt08:13:066
50181299124,7cyclictest639545-21chrt08:13:066
50181299124,7cyclictest1009868-21smartctl10:56:356
50181299123,8cyclictest918339-21kthreadcore10:21:216
50181299123,8cyclictest895907-21kthreadcore10:11:236
50181299123,8cyclictest555736-21cut07:31:266
50181299123,8cyclictest1098798-21kthreadcore11:36:236
50181299122,9cyclictest763805-21kthreadcore09:16:266
50181299122,9cyclictest606870-21kthreadcore07:56:256
50181299122,3cyclictest1205727-21expr12:21:176
50181299120,4cyclictest0-21swapper/607:51:206
50181099128,3cyclictest581875-21kworker/u16:1+flush-8:008:41:345
501810991211,1cyclictest0-21swapper/508:27:265
501810991211,1cyclictest0-21swapper/508:15:465
501810991211,1cyclictest0-21swapper/508:15:465
501810991211,1cyclictest0-21swapper/507:44:335
501810991210,2cyclictest620634-21kworker/u16:2+flush-8:009:26:295
501810991210,2cyclictest620634-21kworker/u16:2+events_unbound12:26:285
501810991210,2cyclictest581875-21kworker/u16:1+flush-8:008:06:375
50181099120,12cyclictest0-21swapper/509:04:575
501802991211,1cyclictest0-21swapper/412:03:264
501802991210,2cyclictest856249-21kworker/u16:3+flush-8:010:16:294
501802991210,2cyclictest3965255-21kworker/u16:3+flush-8:007:46:344
50181699117,3cyclictest1234-21snmpd08:42:217
50181699117,3cyclictest1234-21snmpd08:10:517
50181699110,10cyclictest1234-21snmpd12:29:197
50181299119,1cyclictest613935-21cut08:01:256
50181299119,1cyclictest545041-21perl07:26:236
50181299118,2cyclictest536384-21kthreadcore07:21:276
50181299117,3cyclictest796411-21expr09:31:176
50181299117,3cyclictest796411-21expr09:31:176
50181299117,3cyclictest669524-21fschecks_count08:31:206
50181299117,3cyclictest520119-21cut07:11:266
50181299116,4cyclictest749368-21kernelversion09:11:246
50181299114,6cyclictest943157-21kthreadcore10:31:236
50181299114,6cyclictest701016-21cat08:46:256
50181299114,6cyclictest564677-21kernelversion07:36:256
50181299114,6cyclictest1029000-21grep11:06:246
50181299114,5cyclictest707348-21cpuspeed08:51:176
50181299113,7cyclictest697104-21chrt08:43:116
50181299113,7cyclictest1112203-21cut11:41:236
50181299113,4cyclictest725250-21awk08:56:346
50181299113,4cyclictest725250-21awk08:56:346
50181299112,8cyclictest728415-21cut09:01:246
50181299112,6cyclictest1076013-21grep11:26:236
501812991110,1cyclictest0-21swapper/610:47:226
501812991110,1cyclictest0-21swapper/608:38:156
501812991110,1cyclictest0-21swapper/608:24:416
50181299110,10cyclictest1017056-21grep11:01:226
50181099119,2cyclictest620634-21kworker/u16:2+flush-8:009:41:385
50181099118,3cyclictest501552-21kworker/u16:2+flush-8:007:06:325
50181099118,2cyclictest875204-21kthreadcore10:01:265
501810991110,1cyclictest0-21swapper/508:03:475
50181099110,4cyclictest0-21swapper/510:51:225
50180299119,2cyclictest3965255-21kworker/u16:3+flush-8:008:01:344
50180299119,2cyclictest3965255-21kworker/u16:3+events_unbound07:21:244
50180299118,2cyclictest629884-21users08:06:384
501802991110,1cyclictest0-21swapper/410:37:494
501802991110,1cyclictest0-21swapper/409:02:554
501802991110,1cyclictest0-21swapper/407:44:524
50181699107,2cyclictest1234-21snmpd07:36:477
50181699106,4cyclictest6382-21gvfs-afc-volume09:56:437
50181699106,3cyclictest1234-21snmpd07:28:057
50181699105,4cyclictest1234-21snmpd07:16:237
50181299108,2cyclictest86-21ksoftirqd/612:31:186
50181299104,5cyclictest643550-21grep08:16:256
50181299104,5cyclictest573416-21cat07:41:196
50181299104,5cyclictest1049765-21grep11:16:206
50181299103,6cyclictest525868-21cut07:16:236
50181099109,1cyclictest0-21swapper/509:51:375
50181099109,1cyclictest0-21swapper/507:25:385
50181099108,2cyclictest3965255-21kworker/u16:3+events_unbound07:31:245
50181099108,2cyclictest1168889-21kworker/u16:4+flush-8:012:21:375
50181099108,1cyclictest0-21swapper/511:06:275
50181099107,3cyclictest856249-21kworker/u16:3+flush-8:010:31:345
50181099107,2cyclictest594543-21kthreadcore07:51:225
50181099106,3cyclictest698491-21cat08:46:225
50180299108,2cyclictest1010641-21kworker/u16:1+flush-8:011:21:204
50180299107,2cyclictest972254-21kthreadcore10:41:264
50180299107,2cyclictest581875-21kworker/u16:1+flush-8:008:31:234
50180299106,3cyclictest554706-21cat07:31:234
50180299106,3cyclictest1086011-21cat11:31:204
5018129994,4cyclictest820403-21cat09:41:186
5018129994,4cyclictest511030-21chrt07:08:086
5018109997,1cyclictest0-21swapper/510:41:225
5018109997,1cyclictest0-21swapper/510:26:205
5018109997,1cyclictest0-21swapper/509:31:245
5018109997,1cyclictest0-21swapper/509:31:245
5018109997,1cyclictest0-21swapper/509:21:275
5018109997,1cyclictest0-21swapper/508:16:235
5018109994,4cyclictest565426-21kthreadcore07:36:265
5018109994,4cyclictest1124103-21kthreadcore11:46:245
5018109990,5cyclictest1051900-21cut11:16:245
5018029997,1cyclictest1216827-21turbostat12:26:054
5018029995,3cyclictest648386-21awk08:16:304
5018029990,4cyclictest1153661-21/usr/sbin/munin11:56:284
5018109983,4cyclictest583841-21kthreadcore07:46:245
5018029986,1cyclictest0-21swapper/411:41:254
5018029984,3cyclictest550017-21cut07:26:294
5018029983,4cyclictest945454-21tr10:31:254
5018029983,4cyclictest1193430-21grep12:16:184
5018029983,4cyclictest1193430-21grep12:16:184
5018029983,4cyclictest1177833-21ntpq12:06:294
5018029983,4cyclictest1005645-21cut10:56:274
5018029982,2cyclictest0-21swapper/409:51:144
5018029975,1cyclictest0-21swapper/408:56:244
5018029975,1cyclictest0-21swapper/408:56:244
5018029975,1cyclictest0-21swapper/407:11:084
5018029973,3cyclictest593535-21grep07:51:224
5018109950,4cyclictest649721-21chrt08:21:075
5018029950,4cyclictest510267-21taskset07:06:304
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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