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2026-08-21 - 11:18
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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 Aug 21, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
69770321010,1sleep7697701-21ssh22:15:267
9511162960,1sleep7951117-21rm00:02:177
29231625521,29sleep70-21swapper/719:04:327
29231625521,29sleep70-21swapper/719:04:327
29226425343,7sleep40-21swapper/419:03:494
29226425343,7sleep40-21swapper/419:03:494
632489430,36rtkit-daemon0-21swapper/619:03:556
632489430,36rtkit-daemon0-21swapper/619:03:556
29226524129,8sleep50-21swapper/519:03:505
29226524129,8sleep50-21swapper/519:03:505
292823993934,4cyclictest674731-21latency_hist22:07:327
292810993331,2cyclictest901699-21kworker/u16:3+events_unbound23:45:294
292823993226,5cyclictest987316-21latency_hist00:17:327
292818993129,2cyclictest963520-21kworker/u16:2+events_unbound00:27:546
292818993027,2cyclictest501291-21kworker/u16:1+flush-8:020:52:486
292818992927,2cyclictest963520-21kworker/u16:2+flush-8:000:12:596
292818992927,2cyclictest854915-21kworker/u16:1+events_unbound23:32:476
292818992826,2cyclictest889594-21kworker/u16:2+events_unbound23:47:566
29282399270,25cyclictest413405-21latency_hist20:07:327
292818992725,2cyclictest452450-21kworker/u16:3+flush-8:021:47:326
292818992724,3cyclictest712518-21kworker/u16:0+flush-8:023:07:476
292814992725,2cyclictest758996-21kworker/u16:3+flush-8:023:02:285
292814992725,2cyclictest600365-21kworker/u16:0+flush-8:022:12:455
292814992725,2cyclictest452450-21kworker/u16:3+flush-8:021:53:015
292818992523,2cyclictest927687-21kworker/u16:0+events_unbound23:52:556
292814992523,2cyclictest963520-21kworker/u16:2+flush-8:000:32:475
292814992523,2cyclictest962467-21kworker/u16:0+flush-8:000:23:035
292814992523,2cyclictest794314-21kworker/u16:2+events_unbound23:27:485
292814992523,2cyclictest553555-21kworker/u16:0+flush-8:021:22:485
292814992523,2cyclictest501291-21kworker/u16:1+events_unbound21:02:575
292814992521,3cyclictest854915-21kworker/u16:1+flush-8:023:32:585
292823992418,5cyclictest648-21systemd-journal19:12:337
292814992422,2cyclictest686342-21kworker/u16:1+events_unbound22:27:465
292814992422,2cyclictest452450-21kworker/u16:3+events_unbound21:48:005
292814992422,2cyclictest452450-21kworker/u16:3+events_unbound20:28:005
292814992422,2cyclictest335118-21kworker/u16:1+flush-8:019:32:565
292814992421,3cyclictest452450-21kworker/u16:3+events_unbound21:17:565
292818992319,3cyclictest491103-21kworker/u16:0+flush-8:020:47:516
292814992321,2cyclictest901699-21kworker/u16:3+flush-8:000:02:555
292814992321,2cyclictest452450-21kworker/u16:3+flush-8:021:12:465
292814992321,2cyclictest3795227-21kworker/u16:6+flush-8:019:22:565
292814992321,2cyclictest374151-21kworker/u16:0+events_unbound19:48:225
292810992319,3cyclictest292459-21kworker/u16:2+flush-8:019:37:494
29282399223,18cyclictest125-21kswapd022:32:557
292818992220,2cyclictest335118-21kworker/u16:1+flush-8:019:37:596
292818992220,2cyclictest302406-21kworker/u16:0+flush-8:019:23:026
292814992220,2cyclictest963520-21kworker/u16:2+events_unbound00:22:275
292814992220,2cyclictest963520-21kworker/u16:2+events_unbound00:22:275
292814992220,2cyclictest948965-21kworker/u16:5+flush-8:000:17:265
292814992220,2cyclictest854915-21kworker/u16:1+flush-8:023:22:385
292814992220,2cyclictest600365-21kworker/u16:0+events_unbound21:58:025
292823992116,4cyclictest542363-21latency_hist21:12:337
292823992115,5cyclictest520598-21latency_hist21:02:327
292823992115,5cyclictest520598-21latency_hist21:02:327
292818992119,2cyclictest673016-21kworker/u16:2+flush-8:022:17:586
292818992119,2cyclictest638573-21kworker/u16:1+flush-8:022:02:466
292818992119,2cyclictest393520-21kworker/u16:4+flush-8:020:37:286
292818992118,2cyclictest335118-21kworker/u16:1+events_unbound19:27:516
292814992119,2cyclictest758996-21kworker/u16:3+flush-8:022:53:015
292814992119,2cyclictest600365-21kworker/u16:0+flush-8:022:12:325
292814992119,2cyclictest452450-21kworker/u16:3+events_unbound20:47:485
292814992115,2cyclictest794314-21kworker/u16:2+events_unbound23:18:005
292823992017,2cyclictest125-21kswapd000:07:287
292818992018,2cyclictest962467-21kworker/u16:0+flush-8:000:22:576
292818992018,2cyclictest962467-21kworker/u16:0+events_unbound00:07:446
292818992018,2cyclictest292459-21kworker/u16:2+events_unbound19:52:596
292814992018,2cyclictest818754-21kworker/u16:1+flush-8:023:15:595
292814992018,2cyclictest698890-21kworker/u16:4+events_unbound22:18:005
292814992018,2cyclictest600365-21kworker/u16:0+events_unbound21:42:575
292814992018,2cyclictest354939-21kworker/u16:3+flush-8:019:42:555
292814992018,2cyclictest302406-21kworker/u16:0+events_unbound19:13:035
29281099202,17cyclictest892477-21irqcore23:37:484
29282399191,16cyclictest734846-21latency_hist22:32:327
292818991917,2cyclictest758996-21kworker/u16:3+events_unbound23:02:456
292818991917,2cyclictest491103-21kworker/u16:0+events_unbound21:07:466
292818991917,2cyclictest302406-21kworker/u16:0+flush-8:019:17:596
292818991917,2cyclictest1035040-21kworker/u16:0+flush-8:000:37:276
292814991917,2cyclictest530112-21kworker/u16:2+events_unbound21:07:485
292818991816,2cyclictest553555-21kworker/u16:0+flush-8:021:23:016
292818991816,2cyclictest540874-21kworker/u16:1+events_unbound21:12:556
292818991816,2cyclictest452450-21kworker/u16:3+events_unbound21:32:476
292818991816,2cyclictest452450-21kworker/u16:3+events_unbound21:32:476
292818991816,2cyclictest374151-21kworker/u16:0+events_unbound19:57:456
292818991816,2cyclictest292459-21kworker/u16:2+flush-8:019:12:286
292814991816,2cyclictest927687-21kworker/u16:0+events_unbound23:57:545
292814991816,2cyclictest889594-21kworker/u16:2+flush-8:023:52:305
292814991816,2cyclictest854915-21kworker/u16:1+flush-8:023:52:565
292814991816,2cyclictest712518-21kworker/u16:0+events_unbound23:06:515
292814991816,2cyclictest686342-21kworker/u16:1+flush-8:022:25:085
292814991816,2cyclictest673016-21kworker/u16:2+flush-8:022:05:205
292814991816,2cyclictest452450-21kworker/u16:3+flush-8:021:28:085
292814991816,2cyclictest452450-21kworker/u16:3+events_unbound20:57:485
292814991816,2cyclictest452450-21kworker/u16:3+events_unbound20:57:485
292814991816,2cyclictest403350-21kworker/u16:2+events_unbound20:13:055
292814991816,2cyclictest403350-21kworker/u16:2+events_unbound20:13:055
292814991815,2cyclictest335118-21kworker/u16:1+flush-8:019:27:385
292810991814,3cyclictest442469-21kworker/u16:0+flush-8:020:22:584
292818991715,2cyclictest854915-21kworker/u16:1+events_unbound23:27:586
292818991715,2cyclictest374151-21kworker/u16:0+events_unbound19:48:026
292814991715,2cyclictest698890-21kworker/u16:4+events_unbound22:39:165
292814991715,2cyclictest374151-21kworker/u16:0+flush-8:019:57:555
292814991715,2cyclictest292459-21kworker/u16:2+events_unbound19:18:045
292814991715,2cyclictest1009430-21kworker/u16:1+events_unbound00:27:575
292814991714,2cyclictest578831-21kworker/u16:1+flush-8:021:32:445
292814991714,2cyclictest578831-21kworker/u16:1+flush-8:021:32:445
292823991613,2cyclictest1302-21snmpd23:04:277
29282399160,14cyclictest501088-21turbostat20:52:327
29282399160,14cyclictest1302-21snmpd19:38:497
292818991614,2cyclictest712518-21kworker/u16:0+events_unbound23:12:576
292818991614,2cyclictest638573-21kworker/u16:1+events_unbound21:57:486
292818991614,2cyclictest452450-21kworker/u16:3+events_unbound21:17:586
29281899160,2cyclictest0-21swapper/622:43:556
292814991614,2cyclictest732572-21kworker/u16:2+events_unbound22:42:595
292814991614,2cyclictest712518-21kworker/u16:0+events_unbound23:07:505
292814991614,2cyclictest600365-21kworker/u16:0+flush-8:021:38:025
292814991614,2cyclictest403350-21kworker/u16:2+events_unbound20:07:215
292814991614,2cyclictest374151-21kworker/u16:0+flush-8:019:53:065
292823991512,1cyclictest999394-21munin-run00:22:317
292823991512,1cyclictest999394-21munin-run00:22:317
292818991512,2cyclictest403350-21kworker/u16:2+events_unbound20:17:526
29281899150,15cyclictest0-21swapper/623:46:406
292814991513,2cyclictest962467-21kworker/u16:0+flush-8:000:07:535
292814991513,2cyclictest854915-21kworker/u16:1+events_unbound23:44:035
29281499150,15cyclictest0-21swapper/522:50:215
29281499150,15cyclictest0-21swapper/522:36:485
292810991512,1cyclictest0-21swapper/421:50:264
29281099150,1cyclictest0-21swapper/423:20:184
29281099150,14cyclictest0-21swapper/419:17:554
292823991413,0cyclictest0-21swapper/723:33:547
292823991411,2cyclictest530376-21diskmemload00:22:497
29282399141,11cyclictest1302-21snmpd19:13:337
29282399140,1cyclictest0-21swapper/721:17:557
292818991413,1cyclictest0-21swapper/623:26:396
292818991413,1cyclictest0-21swapper/623:18:086
292818991413,1cyclictest0-21swapper/622:49:556
292818991412,2cyclictest712518-21kworker/u16:0+flush-8:022:38:036
292818991412,2cyclictest393520-21kworker/u16:4+events_unbound20:27:456
292818991412,2cyclictest344960-21kworker/u16:0+flush-8:019:32:526
29281899140,14cyclictest0-21swapper/622:13:016
29281899140,14cyclictest0-21swapper/620:42:506
292814991412,2cyclictest901699-21kworker/u16:3+events_unbound23:39:555
292814991412,2cyclictest393520-21kworker/u16:4+flush-8:020:10:295
292810991413,1cyclictest0-21swapper/422:12:114
292810991413,1cyclictest0-21swapper/421:57:504
292810991413,1cyclictest0-21swapper/400:34:434
292810991413,1cyclictest0-21swapper/400:06:014
292810991411,2cyclictest732572-21kworker/u16:2+flush-8:022:28:294
29281099140,1cyclictest0-21swapper/423:49:194
29281099140,1cyclictest0-21swapper/422:43:344
29281099140,1cyclictest0-21swapper/400:27:554
29281099140,1cyclictest0-21swapper/400:10:364
29281099140,14cyclictest0-21swapper/422:52:054
29281099140,14cyclictest0-21swapper/422:19:364
29281099140,14cyclictest0-21swapper/421:57:224
29282399139,3cyclictest1302-21snmpd23:45:347
29282399139,3cyclictest1302-21snmpd23:19:397
29282399139,3cyclictest1302-21snmpd21:25:017
29282399139,3cyclictest1302-21snmpd20:11:237
29282399139,3cyclictest1302-21snmpd00:12:027
29282399137,6cyclictest6530-21gmain20:32:597
292823991310,2cyclictest1302-21snmpd19:49:347
29282399130,11cyclictest1302-21snmpd21:59:077
29282399130,11cyclictest0-21swapper/723:07:567
292818991312,1cyclictest0-21swapper/622:58:546
292818991312,1cyclictest0-21swapper/622:23:546
292818991312,1cyclictest0-21swapper/621:54:446
292818991312,1cyclictest0-21swapper/621:37:526
29281899130,13cyclictest0-21swapper/621:50:476
292814991311,2cyclictest442469-21kworker/u16:0+events_unbound20:23:095
292814991311,2cyclictest393520-21kworker/u16:4+events_unbound20:18:045
292810991312,1cyclictest0-21swapper/422:12:404
292810991312,1cyclictest0-21swapper/421:30:064
292810991312,1cyclictest0-21swapper/400:24:094
292810991311,2cyclictest292459-21kworker/u16:2+events_unbound19:52:484
29282399129,2cyclictest1302-21snmpd22:53:577
29282399129,2cyclictest1302-21snmpd22:51:367
29282399129,2cyclictest1302-21snmpd21:56:077
29282399129,2cyclictest0-21swapper/719:32:337
29282399128,3cyclictest6530-21gmain20:17:557
29282399128,3cyclictest1302-21snmpd23:52:407
29282399128,3cyclictest1302-21snmpd22:43:357
29282399128,3cyclictest1302-21snmpd22:07:357
29282399128,3cyclictest1302-21snmpd21:42:557
29282399128,3cyclictest1302-21snmpd21:35:437
29282399128,3cyclictest1302-21snmpd21:35:437
29282399128,3cyclictest1302-21snmpd20:55:247
29282399128,3cyclictest1302-21snmpd19:59:527
29282399127,3cyclictest958-21NetworkManager20:22:567
29282399126,5cyclictest5965-21gmain22:59:507
29282399121,10cyclictest1302-21snmpd21:50:197
292823991211,0cyclictest0-21swapper/720:29:567
29282399120,10cyclictest648-21systemd-journal20:42:337
29282399120,10cyclictest481635-21latency_hist20:42:337
29281899129,2cyclictest452450-21kworker/u16:3+flush-8:021:27:506
29281899129,2cyclictest393520-21kworker/u16:4+flush-8:020:23:036
292818991211,1cyclictest0-21swapper/622:35:246
292818991211,1cyclictest0-21swapper/621:07:076
292818991211,1cyclictest0-21swapper/620:13:596
292818991211,1cyclictest0-21swapper/620:13:596
292818991210,2cyclictest335118-21kworker/u16:1+events_unbound20:07:476
29281899120,1cyclictest0-21swapper/620:40:196
292814991210,2cyclictest393520-21kworker/u16:4+flush-8:020:43:515
292814991210,2cyclictest292459-21kworker/u16:2+flush-8:019:37:585
29281499120,1cyclictest0-21swapper/520:53:225
29281099129,3cyclictest452450-21kworker/u16:3+flush-8:022:03:014
292810991211,1cyclictest0-21swapper/423:56:534
292810991211,1cyclictest0-21swapper/423:29:174
292810991211,1cyclictest0-21swapper/423:26:174
292810991211,1cyclictest0-21swapper/422:52:334
292810991211,1cyclictest0-21swapper/422:23:324
292810991211,1cyclictest0-21swapper/400:16:074
292810991211,1cyclictest0-21swapper/400:01:274
29281099120,1cyclictest0-21swapper/420:50:314
29281099120,12cyclictest0-21swapper/419:45:344
29281099120,11cyclictest0-21swapper/421:42:504
29282399118,2cyclictest1302-21snmpd21:29:197
29282399118,2cyclictest1302-21snmpd21:14:227
29282399118,2cyclictest0-21swapper/722:22:577
29282399117,3cyclictest1302-21snmpd23:38:227
29282399117,3cyclictest1302-21snmpd23:30:197
29282399117,3cyclictest1302-21snmpd19:23:307
29282399116,4cyclictest710201-21ssh22:21:227
29282399115,5cyclictest6233-21gvfs-afc-volume23:48:017
29282399115,5cyclictest6233-21gvfs-afc-volume19:52:577
29282399115,5cyclictest1035170-21ssh00:37:147
29282399115,4cyclictest840056-21rm23:12:567
29282399111,9cyclictest1302-21snmpd23:24:227
29282399111,9cyclictest1302-21snmpd22:41:417
29282399111,8cyclictest1302-21snmpd21:39:107
292823991111,0cyclictest0-21swapper/719:21:027
29281899118,2cyclictest491103-21kworker/u16:0+events_unbound20:57:506
29281899118,2cyclictest491103-21kworker/u16:0+events_unbound20:57:506
292818991110,1cyclictest0-21swapper/623:41:096
292818991110,1cyclictest0-21swapper/622:32:256
29281499119,2cyclictest442469-21kworker/u16:0+flush-8:020:37:545
29281499119,2cyclictest292459-21kworker/u16:2+flush-8:019:08:525
292810991110,1cyclictest0-21swapper/423:01:044
292810991110,1cyclictest0-21swapper/421:26:374
292810991110,1cyclictest0-21swapper/421:04:434
292810991110,1cyclictest0-21swapper/421:02:114
292810991110,1cyclictest0-21swapper/421:02:114
292810991110,1cyclictest0-21swapper/420:29:144
292810991110,1cyclictest0-21swapper/419:30:074
292810991110,1cyclictest0-21swapper/419:14:404
29281099110,11cyclictest0-21swapper/420:40:544
29281099110,11cyclictest0-21swapper/419:48:054
29282399109,1cyclictest0-21swapper/700:27:427
29282399107,2cyclictest1302-21snmpd19:44:377
29282399107,2cyclictest1302-21snmpd19:29:097
29282399104,5cyclictest6233-21gvfs-afc-volume20:12:517
29282399104,5cyclictest6233-21gvfs-afc-volume20:12:517
29281899108,2cyclictest403350-21kworker/u16:2+events_unbound20:02:466
29281899107,2cyclictest365942-21sed19:42:486
29281899107,2cyclictest0-21swapper/619:12:376
29281899104,5cyclictest0-21swapper/623:57:516
29281899103,6cyclictest0-21swapper/622:07:526
29281499109,1cyclictest0-21swapper/520:36:395
29281099109,1cyclictest0-21swapper/422:38:034
29281099109,1cyclictest0-21swapper/420:01:484
29281099106,3cyclictest988597-21cat00:17:484
29281099106,3cyclictest988597-21cat00:17:484
29281099100,9cyclictest0-21swapper/420:12:464
29281099100,9cyclictest0-21swapper/420:12:464
29281099100,10cyclictest0-21swapper/421:32:574
29281099100,10cyclictest0-21swapper/421:32:574
2928239994,4cyclictest530434-21cat21:07:327
2928189990,8cyclictest953045-21kthreadcore00:02:516
2928189990,8cyclictest784213-21fschecks_time22:52:466
2928189990,4cyclictest988704-21irqcore00:17:496
2928189990,4cyclictest988704-21irqcore00:17:496
2928109998,1cyclictest0-21swapper/423:03:354
2928109998,1cyclictest0-21swapper/420:36:204
2928109998,1cyclictest0-21swapper/419:24:264
2928109995,3cyclictest414570-21cat20:07:474
2928109995,3cyclictest406978-21kthreadcore20:02:524
2928109994,4cyclictest743326-21cut22:32:534
2928109987,1cyclictest0-21swapper/423:10:414
2928109985,2cyclictest0-21swapper/421:37:534
2928109984,3cyclictest832894-21tr23:12:504
2928109983,4cyclictest880231-21tune2fs23:32:484
2928109983,4cyclictest543375-21diskstats21:12:464
2928109983,4cyclictest489102-21grep20:42:544
2928109983,4cyclictest346376-21ip_192.168.115.19:32:464
2928109975,1cyclictest0-21swapper/421:17:464
2928109975,1cyclictest0-21swapper/420:17:494
2928109974,2cyclictest531389-21forks21:07:464
2928109974,2cyclictest501605-21cpuspeed_turbos20:52:444
2928109961,2cyclictest0-21swapper/419:07:584
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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