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2026-05-06 - 17:01
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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 Wed May 06, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
31500882600,0sleep73150090-21cut10:23:557
2723132995654,2cyclictest2794174-21kworker/u16:0+events_unbound08:18:485
2723132995250,2cyclictest2994526-21kworker/u16:0+events_unbound09:24:005
2723132995149,2cyclictest3166589-21kworker/u16:0+events_unbound12:19:015
2723132995148,2cyclictest2669832-21kworker/u16:2+flush-8:007:14:045
2723138994948,0cyclictest0-21swapper/711:13:487
2723132994947,2cyclictest3350093-21kworker/u16:2+events_unbound12:28:595
2723132994946,2cyclictest2757202-21kworker/u16:1+events_unbound07:38:485
2723138994743,2cyclictest2880719-21munin-run08:28:347
272272224737,7sleep50-21swapper/507:06:495
2723138994539,4cyclictest3362298-21latency_hist11:53:337
2723132994543,2cyclictest3033032-21kworker/u16:1+events_unbound10:03:475
272313899440,43cyclictest1708-21dockerd11:18:487
2723132994442,2cyclictest3350093-21kworker/u16:2+events_unbound11:48:475
2723132994442,2cyclictest3264310-21kworker/u16:1+flush-8:012:34:035
2723132994341,2cyclictest2919302-21kworker/u16:4+flush-8:010:44:035
2723129994341,2cyclictest3166589-21kworker/u16:0+flush-8:010:43:494
2723129994340,2cyclictest2994526-21kworker/u16:0+flush-8:009:33:494
27224742437,30sleep70-21swapper/707:04:117
272277824232,7sleep40-21swapper/407:07:364
2723138994138,2cyclictest5997-21gnome-software07:59:367
2723132994139,2cyclictest3264310-21kworker/u16:1+events_unbound11:46:195
2723132994139,2cyclictest3202908-21kworker/u16:1+events_unbound10:51:205
2723132994139,2cyclictest3166589-21kworker/u16:0+events_unbound11:32:205
2723132994139,2cyclictest3166589-21kworker/u16:0+events_unbound11:10:045
2723132994138,2cyclictest3166589-21kworker/u16:0+events_unbound11:43:055
2723138994037,2cyclictest3108279-21grep10:08:527
2723132994038,2cyclictest3166589-21kworker/u16:0+events_unbound10:54:295
2723132994038,2cyclictest3114904-21kworker/u16:2+events_unbound10:23:335
2723132994037,2cyclictest3033032-21kworker/u16:1+flush-8:010:09:035
2723132993937,2cyclictest3264310-21kworker/u16:1+events_unbound11:57:045
2723132993937,2cyclictest3249565-21kworker/u16:3+events_unbound11:06:095
2723132993937,2cyclictest3166589-21kworker/u16:0+events_unbound10:37:335
2723132993937,2cyclictest3166589-21kworker/u16:0+events_unbound10:37:335
2723132993937,2cyclictest3117349-21kworker/u16:3+flush-8:010:29:085
2723132993937,2cyclictest3033032-21kworker/u16:1+events_unbound09:47:335
2723132993936,2cyclictest2794174-21kworker/u16:0+flush-8:008:48:495
2723132993936,2cyclictest2669832-21kworker/u16:2+events_unbound07:19:045
2723129993936,2cyclictest2794174-21kworker/u16:0+flush-8:008:59:024
2723134993835,2cyclictest1160040-21kworker/u16:3+events_unbound07:13:396
2723132993836,2cyclictest3264310-21kworker/u16:1+events_unbound11:21:125
2723132993836,2cyclictest3264310-21kworker/u16:1+events_unbound11:15:535
2723132993836,2cyclictest3114904-21kworker/u16:2+flush-8:011:23:595
2723132993836,2cyclictest2957394-21kworker/u16:1+events_unbound09:17:085
2723132993836,2cyclictest2841985-21kworker/u16:2+flush-8:008:24:005
2723132993735,2cyclictest3350093-21kworker/u16:2+events_unbound12:09:035
2723132993735,2cyclictest3166589-21kworker/u16:0+flush-8:011:59:035
2723132993735,2cyclictest3117349-21kworker/u16:3+events_unbound10:26:135
2723132993735,2cyclictest2919302-21kworker/u16:4+flush-8:009:59:025
2723132993735,2cyclictest2919302-21kworker/u16:4+events_unbound09:36:005
2723132993735,2cyclictest2692980-21kworker/u16:4+events_unbound08:04:015
2723138993635,0cyclictest0-21swapper/711:28:287
2723132993634,2cyclictest3350093-21kworker/u16:2+flush-8:012:23:545
2723132993634,2cyclictest3350093-21kworker/u16:2+events_unbound12:03:565
2723132993634,2cyclictest3166589-21kworker/u16:0+events_unbound11:36:055
2723132993634,2cyclictest3114904-21kworker/u16:2+events_unbound10:39:405
2723132993634,2cyclictest2957394-21kworker/u16:1+flush-8:009:09:285
2723132993634,2cyclictest2957394-21kworker/u16:1+flush-8:009:09:285
2723132993533,2cyclictest3055903-21kworker/u16:3+events_unbound09:52:015
2723132993533,2cyclictest3055903-21kworker/u16:3+events_unbound09:52:015
2723132993533,2cyclictest3033032-21kworker/u16:1+flush-8:009:54:035
2723132993533,2cyclictest3033032-21kworker/u16:1+flush-8:009:39:295
2723132993533,2cyclictest2938404-21kworker/u16:3+events_unbound09:19:525
2723138993430,2cyclictest3162908-21ntpq10:29:007
272313899340,32cyclictest3019035-21latency_hist09:33:347
2723132993432,2cyclictest3264310-21kworker/u16:1+events_unbound12:14:335
2723132993432,2cyclictest2692980-21kworker/u16:4+events_unbound07:28:485
2723129993432,2cyclictest3350093-21kworker/u16:2+flush-8:011:53:594
2723129993431,2cyclictest3117349-21kworker/u16:3+events_unbound10:28:484
2723129993431,2cyclictest3055902-21kworker/u16:0+events_unbound10:08:484
272263223423,8sleep60-21swapper/607:05:386
2723132993331,2cyclictest3114904-21kworker/u16:2+flush-8:010:14:005
2723132993331,2cyclictest3114904-21kworker/u16:2+events_unbound11:00:515
2723132993331,2cyclictest2919302-21kworker/u16:4+flush-8:008:53:525
2723132993331,2cyclictest2919302-21kworker/u16:4+events_unbound09:30:535
2723132993331,2cyclictest2794174-21kworker/u16:0+events_unbound07:53:535
2723129993330,2cyclictest2919302-21kworker/u16:4+events_unbound09:58:484
28898302320,1chrt2889831-21unixbench-2d08:29:037
28898302320,1chrt2889831-21unixbench-2d08:29:037
2723138993231,0cyclictest0-21swapper/712:03:367
272313899320,30cyclictest3327674-21tr11:38:517
2723132993230,2cyclictest2794174-21kworker/u16:0+flush-8:009:04:015
2723132993230,2cyclictest2794174-21kworker/u16:0+events_unbound08:00:455
2723129993229,2cyclictest3350093-21kworker/u16:2+events_unbound12:03:484
30659552310,0chrt3065954-21ssh09:49:497
30659552310,0chrt3065954-21ssh09:49:497
2723129993128,2cyclictest2757202-21kworker/u16:1+events_unbound07:58:484
2723129993127,3cyclictest3202908-21kworker/u16:1+flush-8:011:02:004
272313899300,28cyclictest3043539-21perf09:43:337
2723132993027,2cyclictest2794174-21kworker/u16:0+flush-8:007:43:545
2723129993029,1cyclictest3033032-21kworker/u16:1+events_unbound09:43:294
2723129993027,2cyclictest2757202-21kworker/u16:1+events_unbound07:53:494
272313899290,27cyclictest3250921-21sh11:06:447
2723132992928,1cyclictest2692980-21kworker/u16:4+events_unbound07:48:585
2723132992927,2cyclictest2794174-21kworker/u16:0+events_unbound08:44:445
2723129992927,2cyclictest3114904-21kworker/u16:2+flush-8:010:23:484
2723129992926,2cyclictest2994526-21kworker/u16:0+flush-8:009:24:054
2723129992926,2cyclictest2692980-21kworker/u16:4+flush-8:007:29:004
2723138992827,0cyclictest0-21swapper/712:13:597
2723138992827,0cyclictest0-21swapper/711:38:287
2723138992825,2cyclictest2899162-21wc08:34:037
272313899280,26cyclictest3141183-21sh10:22:447
2723129992826,2cyclictest3202908-21kworker/u16:1+events_unbound11:03:524
2723132992725,2cyclictest2692980-21kworker/u16:4+flush-8:007:24:215
2723129992725,2cyclictest3166589-21kworker/u16:0+flush-8:011:18:284
2723129992724,2cyclictest3033032-21kworker/u16:1+flush-8:010:14:054
30920002260,1chrt3091998-21ssh10:02:237
272313899260,24cyclictest3457064-21ldconfig12:28:597
2723132992624,2cyclictest2757202-21kworker/u16:1+flush-8:008:28:545
2723132992624,2cyclictest2757202-21kworker/u16:1+flush-8:008:28:545
2723129992623,2cyclictest3166589-21kworker/u16:0+flush-8:010:49:004
2723138992523,1cyclictest3262986-21ssh11:11:207
2723138992522,2cyclictest3344551-21kthreadcore11:43:567
2723132992523,2cyclictest2841985-21kworker/u16:2+flush-8:008:13:555
2723129992523,2cyclictest3055902-21kworker/u16:0+events_unbound09:58:144
2723138992422,1cyclictest3373458-21ssh11:56:367
272313899240,22cyclictest3077292-21head09:54:047
272313899240,22cyclictest1234-21snmpd11:32:167
2723132992422,2cyclictest2757202-21kworker/u16:1+events_unbound08:39:215
2723129992422,2cyclictest3166589-21kworker/u16:0+events_unbound10:33:524
2723129992422,2cyclictest3166589-21kworker/u16:0+events_unbound10:33:524
2723129992422,2cyclictest3033032-21kworker/u16:1+events_unbound09:48:484
2723129992422,2cyclictest3033032-21kworker/u16:1+events_unbound09:48:484
2723129992421,2cyclictest3166589-21kworker/u16:0+events_unbound12:23:364
2723129992421,2cyclictest2757202-21kworker/u16:1+events_unbound08:28:484
2723129992421,2cyclictest2757202-21kworker/u16:1+events_unbound08:28:484
31113292230,0chrt86-21ksoftirqd/610:08:556
2723138992321,1cyclictest3028030-21ssh09:33:597
2723138992321,1cyclictest2937338-21strings08:53:577
2723138992320,2cyclictest2957590-21turbostat09:08:337
2723138992317,5cyclictest2784429-21latency_hist07:38:347
2723132992320,2cyclictest2841985-21kworker/u16:2+events_unbound08:33:415
2723129992321,2cyclictest2919302-21kworker/u16:4+events_unbound09:32:444
2723129992321,2cyclictest2757202-21kworker/u16:1+flush-8:007:38:514
28447392220,1chrt0-21swapper/508:08:505
272313899220,20cyclictest3433401-21sshd-session12:19:197
2723132992220,2cyclictest1160040-21kworker/u16:3+events_unbound07:10:535
2723129992220,2cyclictest3166589-21kworker/u16:0+flush-8:011:28:594
2723138992120,0cyclictest0-21swapper/712:02:127
2723138992120,0cyclictest0-21swapper/708:49:057
2723138992119,1cyclictest3447523-21ssh12:27:397
2723138992118,2cyclictest2971374-21irqcore09:13:507
272313899210,19cyclictest3184288-21grep10:38:577
2723132992119,2cyclictest2938404-21kworker/u16:3+events_unbound08:59:215
2723129992118,2cyclictest3114904-21kworker/u16:2+events_unbound10:38:444
2723129992118,2cyclictest2669832-21kworker/u16:2+flush-8:007:18:514
27412402200,1chrt2741241-21kthreadcore07:13:567
27238682200,1chrt2723867-21diskstats07:08:484
2723138992019,0cyclictest0-21swapper/710:17:337
2723138992015,4cyclictest3104940-21latency_hist10:08:347
2723138992014,5cyclictest3239712-21latency_hist11:03:347
2723129992018,2cyclictest3166589-21kworker/u16:0+flush-8:011:49:324
2723138991917,1cyclictest3225641-21ssh10:55:287
2723138991913,5cyclictest2822873-21latency_hist07:58:347
2723129991917,2cyclictest3313369-21kworker/u16:3+events_unbound11:46:444
2723129991917,2cyclictest3313369-21kworker/u16:3+events_unbound11:41:204
2723129991917,2cyclictest2794174-21kworker/u16:0+flush-8:007:48:294
27932682180,1sleep60-21swapper/607:39:036
2723138991815,2cyclictest2746914-21fschecks_count07:18:487
2723132991816,2cyclictest2669832-21kworker/u16:2+events_unbound07:34:015
2723129991816,2cyclictest3166589-21kworker/u16:0+events_unbound12:14:044
2723129991816,2cyclictest2957394-21kworker/u16:1+flush-8:009:09:084
2723129991816,2cyclictest2957394-21kworker/u16:1+flush-8:009:09:084
2723129991816,2cyclictest2938404-21kworker/u16:3+events_unbound09:14:534
2723138991714,2cyclictest2793292-21ls07:39:037
2723138991714,2cyclictest1234-21snmpd08:20:057
2723129991715,2cyclictest3350093-21kworker/u16:2+flush-8:012:28:574
2723129991715,2cyclictest3166589-21kworker/u16:0+events_unbound10:56:524
2723129991715,2cyclictest3114904-21kworker/u16:2+flush-8:010:18:444
2723129991715,2cyclictest3114904-21kworker/u16:2+events_unbound11:25:204
2723129991715,2cyclictest2794174-21kworker/u16:0+flush-8:008:49:164
2723138991615,0cyclictest0-21swapper/712:33:447
2723138991615,0cyclictest0-21swapper/710:50:337
2723138991614,1cyclictest0-21swapper/710:38:207
2723138991614,1cyclictest0-21swapper/710:38:207
2723134991610,6cyclictest86-21ksoftirqd/612:05:356
2723129991615,1cyclictest2669832-21kworker/u16:2+events_unbound07:13:494
2723129991614,2cyclictest3033032-21kworker/u16:1+events_unbound09:45:444
2723129991614,2cyclictest2669832-21kworker/u16:2+flush-8:007:24:064
2723138991514,0cyclictest0-21swapper/709:19:447
2723138991514,0cyclictest0-21swapper/708:39:047
2723138991513,1cyclictest0-21swapper/710:45:207
2723129991514,1cyclictest3249565-21kworker/u16:3+events_unbound11:09:444
2723129991513,2cyclictest3350093-21kworker/u16:2+flush-8:012:01:164
2723129991513,2cyclictest3313369-21kworker/u16:3+events_unbound11:33:484
2723129991513,2cyclictest3264310-21kworker/u16:1+events_unbound12:19:114
2723129991513,2cyclictest2919302-21kworker/u16:4+flush-8:009:03:384
2723138991413,0cyclictest0-21swapper/712:08:407
2723134991413,1cyclictest0-21swapper/609:57:516
2723134991413,1cyclictest0-21swapper/609:24:446
272313499140,1cyclictest0-21swapper/612:03:016
272313499140,14cyclictest0-21swapper/611:47:166
272312999140,14cyclictest0-21swapper/409:21:384
272313899139,3cyclictest1234-21snmpd09:45:197
272313899139,3cyclictest1234-21snmpd08:04:497
2723138991312,0cyclictest0-21swapper/709:10:497
2723138991312,0cyclictest0-21swapper/709:10:497
2723134991312,1cyclictest0-21swapper/612:31:346
2723134991312,1cyclictest0-21swapper/612:18:196
2723134991312,1cyclictest0-21swapper/611:21:536
2723134991312,1cyclictest0-21swapper/610:58:516
2723134991312,1cyclictest0-21swapper/610:40:066
2723134991312,1cyclictest0-21swapper/610:31:076
2723134991312,1cyclictest0-21swapper/610:22:176
2723134991312,1cyclictest0-21swapper/609:50:076
2723134991312,1cyclictest0-21swapper/609:50:076
272313499130,13cyclictest0-21swapper/611:35:176
272313499130,13cyclictest0-21swapper/611:09:546
272313499130,13cyclictest0-21swapper/610:49:336
272313499130,13cyclictest0-21swapper/610:05:156
272313499130,13cyclictest0-21swapper/609:41:276
272313499130,13cyclictest0-21swapper/609:33:056
272313499130,13cyclictest0-21swapper/609:08:496
272313499130,13cyclictest0-21swapper/609:08:496
272313499130,13cyclictest0-21swapper/608:58:536
2723129991312,1cyclictest0-21swapper/408:58:184
2723129991311,2cyclictest2794174-21kworker/u16:0+events_unbound08:48:134
2723129991311,2cyclictest2757202-21kworker/u16:1+events_unbound08:13:594
2723129991310,2cyclictest3457092-21kworker/u16:3+flush-8:012:33:344
2723129991310,2cyclictest3350093-21kworker/u16:2+events_unbound12:08:374
272313899128,3cyclictest6101-21gmain07:09:447
272313899127,4cyclictest2843161-21tune2fs08:08:467
272313899127,4cyclictest1234-21snmpd09:02:337
272313899127,4cyclictest1234-21snmpd07:32:137
2723138991210,1cyclictest0-21swapper/707:49:007
2723134991211,1cyclictest0-21swapper/609:16:516
2723134991211,1cyclictest0-21swapper/607:36:426
272313499120,1cyclictest0-21swapper/608:44:226
2723129991211,1cyclictest0-21swapper/410:06:244
2723129991210,2cyclictest3166589-21kworker/u16:0+flush-8:011:19:034
2723129991210,2cyclictest2841985-21kworker/u16:2+events_unbound08:28:134
272313899118,2cyclictest1234-21snmpd09:24:187
272313899117,3cyclictest1234-21snmpd07:46:077
272313899116,4cyclictest2910495-21tune2fs08:43:477
272313899110,10cyclictest1234-21snmpd07:28:047
2723134991110,1cyclictest0-21swapper/608:29:526
2723134991110,1cyclictest0-21swapper/608:29:526
2723134991110,1cyclictest0-21swapper/608:00:526
2723134991110,1cyclictest0-21swapper/607:29:396
272313499110,11cyclictest0-21swapper/608:16:386
272313899108,1cyclictest0-21swapper/708:13:577
272313499108,2cyclictest86-21ksoftirqd/612:11:166
272313499108,2cyclictest86-21ksoftirqd/611:54:046
272313499108,2cyclictest86-21ksoftirqd/611:29:236
272313499100,3cyclictest2726147-21kthreadcore07:08:526
272312999109,1cyclictest0-21swapper/408:21:244
272312999108,2cyclictest2841985-21kworker/u16:2+events_unbound08:38:134
27231349997,2cyclictest86-21ksoftirqd/612:34:286
27231349997,2cyclictest86-21ksoftirqd/612:20:186
27231349997,2cyclictest86-21ksoftirqd/611:26:506
27231349997,2cyclictest86-21ksoftirqd/611:16:246
27231349997,2cyclictest86-21ksoftirqd/611:04:056
27231349997,2cyclictest86-21ksoftirqd/610:58:186
27231349997,2cyclictest86-21ksoftirqd/609:35:486
27231349997,2cyclictest86-21ksoftirqd/609:18:376
27231349996,3cyclictest2919302-21kworker/u16:4+flush-8:009:59:106
27231349995,3cyclictest2928549-21chrt08:50:426
27231349993,5cyclictest0-21swapper/611:51:226
27231349992,6cyclictest0-21swapper/608:26:456
27231299990,9cyclictest0-21swapper/408:06:144
27231349986,2cyclictest86-21ksoftirqd/612:27:126
27231349986,2cyclictest86-21ksoftirqd/610:34:436
27231349986,2cyclictest86-21ksoftirqd/610:34:436
27231349986,2cyclictest86-21ksoftirqd/610:24:126
27231349986,2cyclictest86-21ksoftirqd/608:34:056
27231349985,2cyclictest86-21ksoftirqd/610:43:366
27231349985,2cyclictest86-21ksoftirqd/608:38:456
27231349975,2cyclictest86-21ksoftirqd/611:39:066
27231349975,2cyclictest86-21ksoftirqd/607:48:476
27231349971,6cyclictest0-21swapper/610:14:086
27231349970,5cyclictest0-21swapper/609:43:516
27231349964,2cyclictest86-21ksoftirqd/608:09:026
27231349960,6cyclictest0-21swapper/609:08:336
27231349960,6cyclictest0-21swapper/607:18:546
27231349960,1cyclictest0-21swapper/608:57:356
27231349960,1cyclictest0-21swapper/608:18:356
27231349960,1cyclictest0-21swapper/607:53:486
27231349960,1cyclictest0-21swapper/607:47:086
27231299962,3cyclictest1-21systemd08:43:344
27231349950,1cyclictest0-21swapper/608:03:496
27231349950,1cyclictest0-21swapper/607:23:456
27231299953,2cyclictest991rcuop/707:48:554
27231299952,1cyclictest991rcuop/707:34:034
27231299950,4cyclictest2851650-21chrt08:10:344
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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