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2026-06-24 - 23:36
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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 Wed Jun 24, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2958792980,1sleep7295880-21ssh10:32:377
2958792980,1sleep7295880-21ssh10:32:377
404147025139,8sleep40-21swapper/407:08:424
404126924939,7sleep50-21swapper/507:05:545
404140424510,30sleep70-21swapper/707:07:497
4041816994439,4cyclictest494555-21latency_hist11:54:317
4041816994439,4cyclictest494555-21latency_hist11:54:317
4041813993836,2cyclictest306878-21kworker/u16:4+flush-8:011:51:146
4041813993836,2cyclictest306878-21kworker/u16:4+flush-8:011:51:146
4041813993835,2cyclictest4191960-21kworker/u16:1+events_unbound10:29:346
4041813993835,2cyclictest4191960-21kworker/u16:1+events_unbound10:29:346
4041813993734,2cyclictest507396-21kworker/u16:0+flush-8:012:09:096
4041805993735,2cyclictest38679-21kworker/u16:3+events_unbound09:45:264
4041813993634,2cyclictest507396-21kworker/u16:0+events_unbound12:18:416
4041813993533,2cyclictest4191960-21kworker/u16:1+events_unbound12:03:546
4041813993533,2cyclictest4191960-21kworker/u16:1+events_unbound09:18:346
4041813993533,2cyclictest331716-21kworker/u16:5+flush-8:011:30:456
4041813993533,2cyclictest331716-21kworker/u16:5+events_unbound11:39:056
4041813993533,2cyclictest306878-21kworker/u16:4+events_unbound10:58:146
4041805993533,2cyclictest306878-21kworker/u16:4+events_unbound12:32:454
4041805993533,2cyclictest306878-21kworker/u16:4+events_unbound12:32:454
4041805993533,2cyclictest173612-21kworker/u16:0+events_unbound10:35:014
4041805993532,2cyclictest4093574-21kworker/u16:4+flush-8:007:39:474
4041816993428,5cyclictest650-21systemd-journal11:09:317
404181699340,32cyclictest358773-21latency_hist10:59:327
4041813993432,2cyclictest4191960-21kworker/u16:1+events_unbound12:12:406
4041813993432,2cyclictest4191960-21kworker/u16:1+events_unbound11:56:056
4041813993432,2cyclictest4191960-21kworker/u16:1+events_unbound10:40:496
4041813993432,2cyclictest173612-21kworker/u16:0+flush-8:010:34:576
4041813993432,2cyclictest148894-21kworker/u16:2+events_unbound09:41:476
4041805993432,2cyclictest235064-21kworker/u16:3+events_unbound10:15:574
4041805993432,2cyclictest173612-21kworker/u16:0+flush-8:010:22:294
4041805993432,2cyclictest148894-21kworker/u16:2+events_unbound10:29:054
4041813993331,2cyclictest581103-21kworker/u16:3+events_unbound12:36:056
4041813993331,2cyclictest55918-21kworker/u16:0+events_unbound09:32:546
4041813993331,2cyclictest4191960-21kworker/u16:1+flush-8:012:23:506
4041813993331,2cyclictest4191960-21kworker/u16:1+flush-8:011:07:536
4041813993331,2cyclictest4191960-21kworker/u16:1+events_unbound10:05:226
4041813993331,2cyclictest306878-21kworker/u16:4+flush-8:011:45:566
4041813993331,2cyclictest173612-21kworker/u16:0+events_unbound10:12:386
4041805993331,2cyclictest507396-21kworker/u16:0+events_unbound12:21:534
4041805993331,2cyclictest445379-21kworker/u16:2+events_unbound11:57:094
4041805993331,2cyclictest4022170-21kworker/u16:3+events_unbound07:29:334
404140323323,7sleep60-21swapper/607:07:486
4041813993230,2cyclictest55918-21kworker/u16:0+events_unbound09:27:106
4041813993230,2cyclictest4191960-21kworker/u16:1+flush-8:011:12:506
4041813993230,2cyclictest4191960-21kworker/u16:1+flush-8:011:12:506
4041813993230,2cyclictest306878-21kworker/u16:4+flush-8:011:21:226
4041805993230,2cyclictest55918-21kworker/u16:0+events_unbound09:25:584
4041805993230,2cyclictest55918-21kworker/u16:0+events_unbound09:10:064
4041805993230,2cyclictest507396-21kworker/u16:0+events_unbound12:38:294
4041805993230,2cyclictest306878-21kworker/u16:4+events_unbound11:29:174
4041805993230,2cyclictest306878-21kworker/u16:4+events_unbound11:02:014
4041805993230,2cyclictest173612-21kworker/u16:0+events_unbound10:33:004
4041805993230,2cyclictest173612-21kworker/u16:0+events_unbound10:33:004
4041813993129,2cyclictest4191960-21kworker/u16:1+events_unbound11:42:106
4041813993129,2cyclictest4191960-21kworker/u16:1+events_unbound10:48:306
4041813993129,2cyclictest331716-21kworker/u16:5+events_unbound11:28:106
4041813993129,2cyclictest120331-21kworker/u16:6+events_unbound09:21:266
4041813993128,2cyclictest507396-21kworker/u16:0+events_unbound12:29:326
4041813993128,2cyclictest507396-21kworker/u16:0+events_unbound12:29:326
4041805993129,2cyclictest55918-21kworker/u16:0+events_unbound09:33:584
4041805993129,2cyclictest4191960-21kworker/u16:1+events_unbound11:07:084
4041816993027,2cyclictest4083739-21ntpq07:24:577
4041816993024,5cyclictest109219-21pool-gnome-soft09:16:287
4041813993028,2cyclictest4191960-21kworker/u16:1+events_unbound09:58:306
4041813993028,2cyclictest38679-21kworker/u16:3+flush-8:009:48:216
4041813993028,2cyclictest306878-21kworker/u16:4+events_unbound11:03:136
4041813993028,2cyclictest148894-21kworker/u16:2+events_unbound10:26:586
4041813993028,2cyclictest148894-21kworker/u16:2+events_unbound10:17:576
4041805993028,2cyclictest331716-21kworker/u16:5+flush-8:010:54:044
4041805993028,2cyclictest306878-21kworker/u16:4+events_unbound11:44:084
4041816992923,5cyclictest198028-21latency_hist09:54:317
4041813992927,2cyclictest55918-21kworker/u16:0+events_unbound09:13:106
4041813992927,2cyclictest306878-21kworker/u16:4+flush-8:010:51:306
4041813992927,2cyclictest148894-21kworker/u16:2+flush-8:009:51:056
4041813992927,2cyclictest148894-21kworker/u16:2+events_unbound10:19:446
4041813992926,2cyclictest4113936-21kworker/u16:2+flush-8:007:44:426
4041805992927,2cyclictest4191960-21kworker/u16:1+events_unbound10:01:264
4041805992927,2cyclictest38679-21kworker/u16:3+events_unbound09:56:114
4041805992927,2cyclictest306878-21kworker/u16:4+events_unbound10:45:484
4041813992826,2cyclictest4191960-21kworker/u16:1+events_unbound12:28:336
4041813992826,2cyclictest4191960-21kworker/u16:1+events_unbound10:02:096
4041813992826,2cyclictest4152621-21kworker/u16:1+flush-8:008:08:416
4041805992826,2cyclictest4191960-21kworker/u16:1+flush-8:009:44:164
4041805992826,2cyclictest4191960-21kworker/u16:1+events_unbound12:15:244
4041805992826,2cyclictest4191960-21kworker/u16:1+events_unbound11:13:154
4041805992826,2cyclictest4191960-21kworker/u16:1+events_unbound11:13:154
4041805992826,2cyclictest4191960-21kworker/u16:1+events_unbound10:55:554
4041805992826,2cyclictest4191960-21kworker/u16:1+events_unbound09:51:534
4041805992826,2cyclictest331716-21kworker/u16:5+flush-8:011:32:584
4041805992826,2cyclictest331716-21kworker/u16:5+events_unbound11:35:514
4041805992826,2cyclictest306878-21kworker/u16:4+events_unbound11:52:514
4041805992826,2cyclictest306878-21kworker/u16:4+events_unbound11:52:514
4041813992725,2cyclictest4011588-21kworker/u16:2+flush-8:007:24:536
4041805992725,2cyclictest38679-21kworker/u16:3+events_unbound09:18:244
4041805992725,2cyclictest331716-21kworker/u16:5+events_unbound11:17:394
4041805992725,2cyclictest120331-21kworker/u16:6+events_unbound09:20:354
4041816992625,0cyclictest0-21swapper/711:14:177
4041816992625,0cyclictest0-21swapper/711:14:177
4041816992625,0cyclictest0-21swapper/710:52:587
4041816992625,0cyclictest0-21swapper/710:00:187
4041816992622,2cyclictest246012-21ssh10:12:007
4041813992623,2cyclictest4093574-21kworker/u16:4+events_unbound08:14:426
4041805992624,2cyclictest4191960-21kworker/u16:1+events_unbound12:04:124
4041805992624,2cyclictest4191960-21kworker/u16:1+events_unbound11:23:074
4041805992624,2cyclictest4191960-21kworker/u16:1+events_unbound10:11:594
4041805992624,2cyclictest4093574-21kworker/u16:4+flush-8:008:00:304
4041816992524,0cyclictest0-21swapper/711:00:317
4041816992524,0cyclictest0-21swapper/710:45:127
4041816992524,0cyclictest0-21swapper/710:34:457
4041816992524,0cyclictest0-21swapper/708:01:467
4041813992523,2cyclictest4191960-21kworker/u16:1+events_unbound08:40:416
4041813992523,2cyclictest4022170-21kworker/u16:3+events_unbound07:20:026
4041813992523,2cyclictest306878-21kworker/u16:4+events_unbound11:16:546
4041805992523,2cyclictest4191960-21kworker/u16:1+events_unbound09:37:394
4041805992523,2cyclictest4083840-21kworker/u16:1+flush-8:007:36:264
4041805992523,2cyclictest306878-21kworker/u16:4+events_unbound12:26:074
4041805992523,2cyclictest297171-21kworker/u16:3+flush-8:010:41:464
4041805992523,2cyclictest148894-21kworker/u16:2+flush-8:010:06:174
4041816992423,0cyclictest0-21swapper/710:25:497
4041816992423,0cyclictest0-21swapper/710:21:557
4041816992423,0cyclictest0-21swapper/710:16:017
4041816992423,0cyclictest0-21swapper/709:08:597
4041816992423,0cyclictest0-21swapper/708:33:267
4041816992423,0cyclictest0-21swapper/707:58:467
4041816992422,1cyclictest0-21swapper/709:33:217
4041816992421,1cyclictest0-21swapper/709:44:267
4041813992422,2cyclictest4191960-21kworker/u16:1+events_unbound08:35:056
4041813992422,2cyclictest4093574-21kworker/u16:4+flush-8:007:30:426
4041813992422,2cyclictest148894-21kworker/u16:2+events_unbound09:36:276
4041805992422,2cyclictest4113936-21kworker/u16:2+events_unbound08:06:104
4041805992422,2cyclictest306878-21kworker/u16:4+events_unbound11:47:524
4041805992421,2cyclictest306878-21kworker/u16:4+flush-8:012:04:434
4041816992322,0cyclictest0-21swapper/712:37:237
4041816992322,0cyclictest0-21swapper/711:57:337
4041816992322,0cyclictest0-21swapper/709:02:257
4041816992322,0cyclictest0-21swapper/708:18:587
4041816992322,0cyclictest0-21swapper/708:13:577
4041816992322,0cyclictest0-21swapper/707:13:187
4041816992317,5cyclictest4191925-21latency_hist08:24:317
4041813992321,2cyclictest4113936-21kworker/u16:2+flush-8:008:14:276
4041813992321,2cyclictest4022170-21kworker/u16:3+events_unbound07:19:276
4041805992321,2cyclictest4191960-21kworker/u16:1+events_unbound12:12:514
4041816992221,0cyclictest0-21swapper/707:52:277
4041816992220,1cyclictest456004-21ssh11:36:447
4041816992220,1cyclictest0-21swapper/711:30:307
4041816992216,4cyclictest650-21systemd-journal09:22:037
4041805992220,2cyclictest4191960-21kworker/u16:1+events_unbound08:37:104
4041805992219,2cyclictest3987048-21kworker/u16:0+events_unbound08:14:344
4041816992120,0cyclictest0-21swapper/707:38:467
4041813992119,2cyclictest55918-21kworker/u16:0+events_unbound09:04:266
4041813992119,2cyclictest4113936-21kworker/u16:2+events_unbound07:52:416
4041813992119,2cyclictest4093574-21kworker/u16:4+flush-8:007:34:476
4041805992119,2cyclictest4041593-21kworker/u16:1+events_unbound07:12:114
4041816992019,0cyclictest0-21swapper/712:20:197
4041816992019,0cyclictest0-21swapper/712:18:377
4041816992019,0cyclictest0-21swapper/711:59:427
4041816992019,0cyclictest0-21swapper/709:36:507
4041816992019,0cyclictest0-21swapper/708:50:457
4041816992019,0cyclictest0-21swapper/707:43:227
4041816992019,0cyclictest0-21swapper/707:17:347
4041816992018,1cyclictest210380-21ssh09:59:277
4041816992015,4cyclictest408162-21latency_hist11:19:317
4041813992018,2cyclictest4113936-21kworker/u16:2+events_unbound07:55:426
4041813992018,2cyclictest38679-21kworker/u16:3+events_unbound08:49:416
4041805992018,2cyclictest4093574-21kworker/u16:4+flush-8:008:12:574
4041805992018,2cyclictest3987048-21kworker/u16:0+flush-8:007:58:584
4041805992018,2cyclictest3987048-21kworker/u16:0+events_unbound08:32:134
4041805992018,2cyclictest3987048-21kworker/u16:0+events_unbound07:49:514
4041816991918,0cyclictest0-21swapper/711:45:367
4041816991918,0cyclictest0-21swapper/709:13:397
404181699191,2cyclictest318541-21ssh10:39:567
4041813991917,2cyclictest4191960-21kworker/u16:1+events_unbound08:56:416
4041813991917,2cyclictest4093574-21kworker/u16:4+flush-8:007:39:466
4041805991917,2cyclictest4191960-21kworker/u16:1+flush-8:008:42:494
4041805991917,2cyclictest4113936-21kworker/u16:2+events_unbound07:49:064
4041805991917,2cyclictest38679-21kworker/u16:3+flush-8:008:48:584
2068162190,0sleep50-21swapper/509:54:525
4041816991817,0cyclictest0-21swapper/708:58:187
4041816991814,3cyclictest1278-21snmpd07:45:267
4041805991816,2cyclictest4093574-21kworker/u16:4+events_unbound08:22:154
4041805991816,2cyclictest4022170-21kworker/u16:3+events_unbound07:24:594
4041805991816,2cyclictest4022170-21kworker/u16:3+events_unbound07:21:304
4041805991816,2cyclictest38679-21kworker/u16:3+events_unbound08:58:504
4041816991716,0cyclictest0-21swapper/709:48:167
4041816991716,0cyclictest0-21swapper/709:25:047
4041816991716,0cyclictest0-21swapper/708:44:587
4041816991716,0cyclictest0-21swapper/708:39:197
4041816991716,0cyclictest0-21swapper/708:06:027
4041816991716,0cyclictest0-21swapper/707:23:337
4041813991715,2cyclictest4191960-21kworker/u16:1+events_unbound08:29:456
4041808991714,3cyclictest4191960-21kworker/u16:1+flush-8:010:14:325
4041805991614,2cyclictest38679-21kworker/u16:3+flush-8:009:04:464
4041816991513,1cyclictest590046-21strings12:29:557
4041816991513,1cyclictest590046-21strings12:29:557
4041808991513,1cyclictest109433-21PK-Backend09:16:455
4041805991513,2cyclictest7319-21kworker/u16:3+events_unbound08:28:484
4041805991513,2cyclictest7319-21kworker/u16:3+events_unbound08:28:484
4041816991413,0cyclictest0-21swapper/707:32:137
4041808991413,1cyclictest0-21swapper/511:55:495
4041808991413,1cyclictest0-21swapper/511:30:365
4041808991413,1cyclictest0-21swapper/511:00:005
4041808991413,1cyclictest0-21swapper/510:35:065
404180899140,14cyclictest0-21swapper/511:23:205
404180899140,14cyclictest0-21swapper/511:17:305
404180899140,14cyclictest0-21swapper/509:25:255
404181699139,3cyclictest1278-21snmpd12:27:217
404181699139,3cyclictest1278-21snmpd08:40:307
4041813991311,2cyclictest4011588-21kworker/u16:2+events_unbound07:13:266
4041808991312,1cyclictest0-21swapper/512:29:435
4041808991312,1cyclictest0-21swapper/512:29:435
4041808991312,1cyclictest0-21swapper/510:48:205
4041808991312,1cyclictest0-21swapper/510:43:565
4041808991312,1cyclictest0-21swapper/509:43:045
4041808991312,1cyclictest0-21swapper/509:24:005
404180899130,13cyclictest0-21swapper/511:40:225
404180899130,13cyclictest0-21swapper/511:11:405
404180899130,13cyclictest0-21swapper/511:11:405
404180899130,13cyclictest0-21swapper/511:05:505
404180899130,13cyclictest0-21swapper/509:51:455
404180899130,13cyclictest0-21swapper/507:55:425
4041805991311,2cyclictest55918-21kworker/u16:0+flush-8:008:59:474
4041805991311,2cyclictest4011588-21kworker/u16:2+events_unbound07:18:504
4815182120,1sleep576-21ksoftirqd/511:48:085
404181699128,3cyclictest1278-21snmpd11:42:087
4041816991211,0cyclictest0-21swapper/712:04:497
4041816991210,1cyclictest540787-21ssh12:09:547
4041813991210,2cyclictest4093574-21kworker/u16:4+flush-8:008:25:026
4041813991210,2cyclictest4093574-21kworker/u16:4+flush-8:008:25:026
4041813991210,2cyclictest4093574-21kworker/u16:4+flush-8:007:59:596
4041808991211,1cyclictest0-21swapper/511:29:105
4041808991211,1cyclictest0-21swapper/510:49:465
4041808991210,1cyclictest0-21swapper/507:44:505
404180899120,1cyclictest0-21swapper/509:00:215
404180899120,12cyclictest0-21swapper/508:55:465
404180899120,12cyclictest0-21swapper/507:35:225
404181699119,1cyclictest418474-21ssh11:20:527
404181699118,2cyclictest1278-21snmpd08:28:127
404181699118,2cyclictest1278-21snmpd08:28:127
404181699110,10cyclictest1278-21snmpd11:28:027
404181399119,2cyclictest4191960-21kworker/u16:1+flush-8:009:09:266
404180899117,3cyclictest4105297-21cat07:39:485
4041808991110,1cyclictest0-21swapper/510:33:415
4041808991110,1cyclictest0-21swapper/510:33:415
4041808991110,1cyclictest0-21swapper/510:26:265
4041808991110,1cyclictest0-21swapper/510:09:055
4041808991110,1cyclictest0-21swapper/510:01:505
4041808991110,1cyclictest0-21swapper/509:38:395
4041808991110,1cyclictest0-21swapper/509:34:155
4041808991110,1cyclictest0-21swapper/508:14:195
4041808991110,1cyclictest0-21swapper/507:14:345
4041808991110,1cyclictest0-21swapper/507:11:245
404180899110,11cyclictest0-21swapper/508:51:125
404180899110,11cyclictest0-21swapper/507:32:135
404180899110,11cyclictest0-21swapper/507:22:365
4041816991010,0cyclictest0-21swapper/710:06:377
404181399108,2cyclictest4093574-21kworker/u16:4+flush-8:008:19:536
404180899109,1cyclictest306878-21kworker/u16:4+events_unbound12:26:525
404180899109,1cyclictest0-21swapper/510:17:455
40418089998,1cyclictest0-21swapper/511:50:095
40418089998,1cyclictest0-21swapper/511:50:095
40418089998,1cyclictest0-21swapper/508:22:025
40418089996,2cyclictest539475-21kthreadcore12:09:515
40418139987,1cyclictest0-21swapper/608:44:376
40418089987,1cyclictest0-21swapper/512:19:475
40418089987,1cyclictest0-21swapper/510:55:365
40418089987,1cyclictest0-21swapper/508:45:035
40418089987,1cyclictest0-21swapper/508:42:045
40418089985,2cyclictest0-21swapper/507:59:495
40418089984,3cyclictest19177-21cat08:34:485
40418089983,4cyclictest546292-21cat12:14:475
40418089983,4cyclictest4179517-21cut08:14:525
40418089983,4cyclictest4126771-21grep07:49:485
40418089983,4cyclictest260637-21expr10:19:425
40418089981,3cyclictest1194-21abrt-dump-journ12:39:265
40418089975,1cyclictest0-21swapper/512:04:505
40418089975,1cyclictest0-21swapper/508:04:505
40418089974,2cyclictest508462-21irqcore11:59:475
40418089974,2cyclictest446930-21irqcore11:34:485
40418089974,2cyclictest0-21swapper/509:44:495
40418089973,3cyclictest9106-21cat08:29:435
40418089973,3cyclictest76951-21cpu09:04:445
40418089973,3cyclictest3536-21kthreadcore08:24:525
40418089973,3cyclictest3536-21kthreadcore08:24:525
40418089972,4cyclictest88619-21kthreadcore09:09:485
40418089972,4cyclictest4079884-21kthreadcore07:24:505
40418059972,4cyclictest50964-21cut08:49:494
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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