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2025-12-19 - 19:14
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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 the 376 highest latencies:
System rack0slot2.osadl.org (updated Fri Dec 19, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13905052940,1sleep40-21swapper/411:19:544
14474912700,1sleep50-21swapper/511:49:515
89145625948,8sleep40-21swapper/407:06:364
89144925521,30sleep70-21swapper/707:06:317
891960995149,2cyclictest1487680-21kworker/u16:4+flush-8:012:24:016
89143024737,7sleep60-21swapper/607:06:146
89151324130,8sleep50-21swapper/507:07:255
891965993834,3cyclictest1080615-21latency_hist08:44:327
891960993735,2cyclictest843137-21kworker/u16:2+flush-8:008:49:326
891956993734,2cyclictest1333053-21kworker/u16:1+events_unbound10:59:335
89196599360,35cyclictest1508146-21dnf12:23:357
9457592340,1chrt0-21swapper/507:34:485
9457592340,1chrt0-21swapper/507:34:485
891960993432,2cyclictest1109404-21kworker/u16:1+flush-8:009:59:566
891960993432,2cyclictest1109404-21kworker/u16:1+flush-8:009:59:566
891960993329,3cyclictest1342799-21fwupd10:59:246
891956993129,2cyclictest1487680-21kworker/u16:4+events_unbound12:19:535
891965993029,0cyclictest0-21swapper/710:54:447
891956993028,2cyclictest1129429-21kworker/u16:3+events_unbound09:47:425
891965992923,5cyclictest650-21systemd-journal10:54:317
891960992927,2cyclictest1508291-21kworker/u16:6+events_unbound12:26:536
891960992926,2cyclictest843137-21kworker/u16:2+events_unbound07:19:426
891956992927,2cyclictest963780-21kworker/u16:4+flush-8:009:15:005
891956992927,2cyclictest843137-21kworker/u16:2+events_unbound07:15:425
891956992925,3cyclictest1460098-21kworker/u16:2+flush-8:012:24:335
891951992825,2cyclictest1508291-21kworker/u16:6+events_unbound12:34:484
891960992725,2cyclictest1323347-21kworker/u16:3+flush-8:010:59:526
891960992725,2cyclictest1264863-21kworker/u16:0+flush-8:011:34:566
891960992725,2cyclictest1264863-21kworker/u16:0+flush-8:011:34:566
891956992725,2cyclictest1275209-21kworker/u16:3+events_unbound10:39:595
891956992724,2cyclictest1449764-21kworker/u16:3+flush-8:011:59:415
891951992725,2cyclictest1460098-21kworker/u16:2+flush-8:012:14:464
891951992725,2cyclictest1333053-21kworker/u16:1+events_unbound10:58:504
891960992623,2cyclictest843137-21kworker/u16:2+flush-8:007:44:316
891956992624,2cyclictest854165-21kworker/u16:1+events_unbound07:09:345
891956992623,2cyclictest854165-21kworker/u16:1+flush-8:007:29:425
891951992624,2cyclictest1449764-21kworker/u16:3+events_unbound11:54:324
891951992624,2cyclictest1129429-21kworker/u16:3+events_unbound09:19:474
891965992524,0cyclictest0-21swapper/712:04:527
89196599250,25cyclictest1539135-21hardlink12:25:547
89196599250,24cyclictest1450026-21latency_hist11:54:317
891960992523,2cyclictest843137-21kworker/u16:2+flush-8:007:30:026
891960992523,2cyclictest1264863-21kworker/u16:0+events_unbound11:49:316
891960992523,2cyclictest1129429-21kworker/u16:3+events_unbound09:20:016
891960992523,2cyclictest1060804-21kworker/u16:1+flush-8:008:34:456
891956992523,2cyclictest1129429-21kworker/u16:3+events_unbound09:19:325
891956992523,2cyclictest1099565-21kworker/u16:0+flush-8:008:53:415
891956992522,2cyclictest1508291-21kworker/u16:6+flush-8:012:29:425
891951992523,2cyclictest1333053-21kworker/u16:1+events_unbound11:15:494
891951992523,2cyclictest1206654-21kworker/u16:2+events_unbound09:55:044
891951992523,2cyclictest1109404-21kworker/u16:1+events_unbound09:11:154
891960992422,2cyclictest1128761-21kworker/u16:0+flush-8:009:34:476
891960992422,2cyclictest1109404-21kworker/u16:1+flush-8:009:09:466
891956992422,2cyclictest843137-21kworker/u16:2+flush-8:008:59:275
891956992422,2cyclictest1216880-21kworker/u16:0+events_unbound09:59:535
891956992422,2cyclictest1216880-21kworker/u16:0+events_unbound09:59:535
891956992421,2cyclictest1264863-21kworker/u16:0+events_unbound10:29:335
891951992422,2cyclictest963780-21kworker/u16:4+events_unbound09:27:254
891951992422,2cyclictest963779-21kworker/u16:3+flush-8:008:09:294
891951992422,2cyclictest1460098-21kworker/u16:2+events_unbound12:09:254
891951992422,2cyclictest1274725-21kworker/u16:2+flush-8:010:42:454
891951992422,2cyclictest1274725-21kworker/u16:2+events_unbound10:51:054
891951992422,2cyclictest1264863-21kworker/u16:0+flush-8:011:02:434
891951992422,2cyclictest1264863-21kworker/u16:0+events_unbound10:21:544
891951992422,2cyclictest1129429-21kworker/u16:3+events_unbound09:17:134
891951992422,2cyclictest1051086-21kworker/u16:0+flush-8:008:26:544
891951992422,2cyclictest1051086-21kworker/u16:0+flush-8:008:26:544
891956992321,2cyclictest963780-21kworker/u16:4+events_unbound08:33:305
891956992321,2cyclictest1498309-21kworker/u16:0+events_unbound12:16:415
891956992321,2cyclictest1420032-21kworker/u16:1+flush-8:012:05:415
891956992321,2cyclictest1109404-21kworker/u16:1+events_unbound10:20:055
891956992320,2cyclictest1264863-21kworker/u16:0+flush-8:011:19:325
891951992321,2cyclictest963779-21kworker/u16:3+events_unbound08:03:254
891951992321,2cyclictest843137-21kworker/u16:2+events_unbound07:43:174
891951992321,2cyclictest843137-21kworker/u16:2+events_unbound07:27:494
891951992321,2cyclictest1390786-21kworker/u16:4+events_unbound11:31:174
891951992321,2cyclictest1313436-21kworker/u16:1+events_unbound10:47:404
891951992321,2cyclictest1275209-21kworker/u16:3+events_unbound10:36:244
891951992321,2cyclictest1206654-21kworker/u16:2+events_unbound10:10:444
891951992321,2cyclictest1109404-21kworker/u16:1+flush-8:009:30:334
891951992321,2cyclictest1109404-21kworker/u16:1+events_unbound10:33:244
891951992321,2cyclictest1070965-21kworker/u16:3+events_unbound08:47:464
891951992320,2cyclictest1129429-21kworker/u16:3+events_unbound09:39:324
891965992216,5cyclictest901519-21latency_hist07:14:327
891960992220,2cyclictest868709-21kworker/u16:3+events_unbound07:09:506
891960992220,2cyclictest843137-21kworker/u16:2+flush-8:007:24:536
891960992220,2cyclictest1449764-21kworker/u16:3+events_unbound12:14:526
891960992220,2cyclictest1070965-21kworker/u16:3+flush-8:008:49:566
891960992218,3cyclictest1206654-21kworker/u16:2+events_unbound09:49:496
891956992220,2cyclictest1206654-21kworker/u16:2+flush-8:009:54:415
891951992220,2cyclictest963779-21kworker/u16:3+events_unbound08:16:134
891951992220,2cyclictest843137-21kworker/u16:2+events_unbound09:00:344
891951992220,2cyclictest843137-21kworker/u16:2+events_unbound08:43:504
891951992220,2cyclictest843137-21kworker/u16:2+events_unbound07:23:174
891951992220,2cyclictest1420032-21kworker/u16:1+events_unbound11:48:214
891951992220,2cyclictest1390786-21kworker/u16:4+events_unbound11:29:084
891951992220,2cyclictest1207141-21kworker/u16:4+events_unbound10:18:334
891951992220,2cyclictest1099565-21kworker/u16:0+events_unbound08:54:004
891951992219,2cyclictest843137-21kworker/u16:2+events_unbound08:29:344
891965992120,0cyclictest0-21swapper/707:49:447
891965992116,4cyclictest934577-21latency_hist07:29:317
891960992118,2cyclictest1333053-21kworker/u16:1+flush-8:011:09:466
891960992118,2cyclictest1323347-21kworker/u16:3+events_unbound10:49:336
891956992119,2cyclictest963780-21kworker/u16:4+events_unbound08:00:295
891956992119,2cyclictest843137-21kworker/u16:2+flush-8:009:05:015
891956992119,2cyclictest1333053-21kworker/u16:1+events_unbound11:09:415
891956992119,2cyclictest1275209-21kworker/u16:3+events_unbound10:38:415
891951992119,2cyclictest854165-21kworker/u16:1+flush-8:007:11:184
891951992119,2cyclictest843137-21kworker/u16:2+events_unbound07:30:294
891951992119,2cyclictest1449764-21kworker/u16:3+flush-8:011:54:054
891951992119,2cyclictest1449764-21kworker/u16:3+events_unbound12:10:204
891951992119,2cyclictest1323347-21kworker/u16:3+flush-8:011:07:294
891951992119,2cyclictest1206654-21kworker/u16:2+events_unbound09:48:434
89196599200,18cyclictest1144589-21kthreadcore09:14:517
891960992018,2cyclictest1109404-21kworker/u16:1+flush-8:009:04:316
891960992017,2cyclictest1333053-21kworker/u16:1+events_unbound11:19:476
891960992017,2cyclictest1109404-21kworker/u16:1+flush-8:009:44:566
891960992016,3cyclictest1129429-21kworker/u16:3+flush-8:009:39:526
891956992018,2cyclictest1264863-21kworker/u16:0+events_unbound10:47:485
891956992018,2cyclictest1109404-21kworker/u16:1+events_unbound10:05:415
891951992018,2cyclictest963780-21kworker/u16:4+events_unbound09:09:184
891951992018,2cyclictest963780-21kworker/u16:4+events_unbound08:35:534
891951992018,2cyclictest854165-21kworker/u16:1+events_unbound07:58:334
891951992018,2cyclictest843137-21kworker/u16:2+flush-8:008:56:254
891951992018,2cyclictest843137-21kworker/u16:2+events_unbound07:37:334
891951992018,2cyclictest843137-21kworker/u16:2+events_unbound07:37:334
891951992018,2cyclictest1390786-21kworker/u16:4+events_unbound11:39:294
891951992018,2cyclictest1390786-21kworker/u16:4+events_unbound11:39:294
891951992018,2cyclictest1109404-21kworker/u16:1+events_unbound10:01:254
891951992018,2cyclictest1109404-21kworker/u16:1+events_unbound10:01:254
891965991917,1cyclictest0-21swapper/709:54:547
891960991917,2cyclictest1487680-21kworker/u16:4+events_unbound12:09:596
891956991917,2cyclictest854165-21kworker/u16:1+events_unbound07:27:565
891956991917,2cyclictest1562262-21kworker/u16:0+flush-8:012:39:265
891951991917,2cyclictest963779-21kworker/u16:3+events_unbound08:13:444
891951991917,2cyclictest854165-21kworker/u16:1+flush-8:007:17:064
891951991917,2cyclictest854165-21kworker/u16:1+events_unbound07:49:054
891951991917,2cyclictest843137-21kworker/u16:2+events_unbound07:52:344
891951991917,2cyclictest1449764-21kworker/u16:3+events_unbound12:21:564
891951991917,2cyclictest1274725-21kworker/u16:2+events_unbound11:43:494
891951991917,2cyclictest1264863-21kworker/u16:0+events_unbound10:25:004
891951991917,2cyclictest1129429-21kworker/u16:3+flush-8:009:50:214
891951991917,2cyclictest1129429-21kworker/u16:3+flush-8:009:36:014
891965991817,0cyclictest0-21swapper/709:09:457
891965991815,2cyclictest1267-21snmpd08:00:547
891960991816,2cyclictest1274725-21kworker/u16:2+flush-8:011:49:566
891960991816,2cyclictest1274725-21kworker/u16:2+flush-8:010:23:256
891960991816,2cyclictest1129429-21kworker/u16:3+flush-8:009:34:316
891956991816,2cyclictest1264863-21kworker/u16:0+events_unbound11:48:425
891956991816,2cyclictest1264863-21kworker/u16:0+events_unbound10:28:585
891956991816,2cyclictest1109404-21kworker/u16:1+flush-8:009:25:065
891951991816,2cyclictest963779-21kworker/u16:3+events_unbound08:20:094
891951991816,2cyclictest1449764-21kworker/u16:3+events_unbound12:04:014
89196599170,1cyclictest0-21swapper/711:54:567
89196099170,16cyclictest1472392-21kthreadcore12:04:496
891956991715,2cyclictest854165-21kworker/u16:1+events_unbound07:49:485
891956991715,2cyclictest843137-21kworker/u16:2+events_unbound07:54:585
891956991715,2cyclictest1206654-21kworker/u16:2+events_unbound10:15:415
891956991715,2cyclictest1109404-21kworker/u16:1+flush-8:009:36:425
891951991715,2cyclictest1508291-21kworker/u16:6+events_unbound12:29:454
891951991715,2cyclictest1508291-21kworker/u16:6+events_unbound12:26:394
891965991615,0cyclictest0-21swapper/707:40:007
89196599160,15cyclictest1498539-21latency_hist12:19:317
891960991614,2cyclictest1206654-21kworker/u16:2+flush-8:009:55:026
891956991614,2cyclictest963779-21kworker/u16:3+events_unbound08:14:475
891956991614,2cyclictest1264863-21kworker/u16:0+events_unbound11:23:455
891956991614,2cyclictest1129429-21kworker/u16:3+events_unbound09:39:555
891956991614,2cyclictest1129429-21kworker/u16:3+events_unbound09:31:175
891956991614,2cyclictest1051086-21kworker/u16:0+flush-8:008:29:315
891956991614,2cyclictest1051086-21kworker/u16:0+flush-8:008:29:315
891951991614,2cyclictest1216880-21kworker/u16:0+events_unbound10:07:524
891965991514,0cyclictest0-21swapper/710:24:477
891965991513,1cyclictest0-21swapper/709:19:497
891965991513,1cyclictest0-21swapper/708:44:507
89196599150,14cyclictest0-21swapper/711:19:567
891960991513,2cyclictest1275209-21kworker/u16:3+flush-8:010:34:436
891956991513,2cyclictest963780-21kworker/u16:4+events_unbound07:45:025
891956991513,2cyclictest963779-21kworker/u16:3+events_unbound08:14:045
891956991513,2cyclictest854165-21kworker/u16:1+flush-8:007:39:515
891956991513,2cyclictest1460098-21kworker/u16:2+events_unbound12:09:455
891951991513,2cyclictest1333053-21kworker/u16:1+events_unbound11:10:594
89196599146,7cyclictest6045-21gmain07:19:487
89196599145,7cyclictest6344-21gmain08:04:567
891965991413,0cyclictest0-21swapper/710:04:487
891965991413,0cyclictest0-21swapper/709:49:477
891965991413,0cyclictest0-21swapper/707:14:577
891965991412,1cyclictest0-21swapper/711:09:577
891965991412,1cyclictest0-21swapper/710:14:567
89196599140,1cyclictest0-21swapper/711:04:537
89196599140,1cyclictest0-21swapper/710:44:557
891960991411,2cyclictest843137-21kworker/u16:2+events_unbound08:24:436
891960991411,2cyclictest843137-21kworker/u16:2+events_unbound08:24:436
89196099140,14cyclictest0-21swapper/607:14:346
891956991412,2cyclictest843137-21kworker/u16:2+events_unbound08:22:425
891956991412,2cyclictest1323347-21kworker/u16:3+events_unbound11:07:445
891956991412,2cyclictest1274725-21kworker/u16:2+flush-8:011:30:425
891956991411,2cyclictest1390786-21kworker/u16:4+flush-8:011:34:315
891956991411,2cyclictest1390786-21kworker/u16:4+flush-8:011:34:315
891956991411,2cyclictest1081860-21irqcore08:44:475
89196599139,3cyclictest1267-21snmpd11:01:237
89196599139,3cyclictest1267-21snmpd08:59:087
89196599139,3cyclictest1267-21snmpd08:34:257
89196599138,4cyclictest1176687-21ntpq09:29:557
89196599137,5cyclictest1031898-21latency_hist08:19:317
89196599134,8cyclictest0-21swapper/709:40:247
891965991310,2cyclictest96-21ksoftirqd/711:34:577
891965991310,2cyclictest96-21ksoftirqd/711:34:577
891965991310,2cyclictest0-21swapper/708:49:327
89196599130,5cyclictest1305207-21cut10:39:477
89196599130,2cyclictest934968-21/usr/sbin/munin07:29:537
89196599130,11cyclictest1116-21lldpd10:29:537
891960991312,1cyclictest0-21swapper/610:29:456
891960991311,2cyclictest1460098-21kworker/u16:2+flush-8:011:59:556
891960991311,2cyclictest1216880-21kworker/u16:0+events_unbound10:04:446
891960991310,2cyclictest1264863-21kworker/u16:0+flush-8:010:24:426
89196099130,13cyclictest0-21swapper/612:37:176
891956991312,1cyclictest0-21swapper/510:58:595
891956991312,1cyclictest0-21swapper/508:05:435
89196599129,2cyclictest1479520-21/usr/sbin/munin12:09:587
89196599129,2cyclictest1267-21snmpd07:55:307
89196599129,2cyclictest0-21swapper/709:44:327
89196599129,2cyclictest0-21swapper/708:59:317
89196599128,3cyclictest96-21ksoftirqd/709:24:527
89196599128,3cyclictest1571695-21flatpak12:37:457
89196599128,3cyclictest1267-21snmpd08:35:227
89196599128,3cyclictest1267-21snmpd08:21:527
89196599128,3cyclictest1267-21snmpd07:45:337
89196599127,4cyclictest6184-21gvfs-afc-volume11:39:507
89196599120,10cyclictest0-21swapper/708:24:567
89196599120,10cyclictest0-21swapper/708:24:567
891960991211,1cyclictest0-21swapper/610:41:346
891960991210,2cyclictest843137-21kworker/u16:2+events_unbound08:40:016
891960991210,2cyclictest843137-21kworker/u16:2+events_unbound08:24:316
891960991210,2cyclictest1274725-21kworker/u16:2+events_unbound11:29:476
891956991211,1cyclictest0-21swapper/508:35:125
891956991210,2cyclictest1207141-21kworker/u16:4+flush-8:009:54:265
891956991210,2cyclictest1070965-21kworker/u16:3+events_unbound08:41:125
89196599119,1cyclictest1411346-21latency_hist11:34:317
89196599118,2cyclictest1267-21snmpd12:01:037
89196599117,3cyclictest5960-21gvfs-udisks2-vo12:30:177
89196599117,3cyclictest1267-21snmpd09:36:037
89196599116,4cyclictest96-21ksoftirqd/710:34:557
89196599116,4cyclictest6184-21gvfs-afc-volume11:44:437
89196599116,4cyclictest1401175-21sshd-session11:25:427
89196599115,5cyclictest650-21systemd-journal07:39:317
89196599115,5cyclictest650-21systemd-journal07:39:317
89196599110,9cyclictest0-21swapper/709:04:547
89196599110,10cyclictest1267-21snmpd10:20:437
89196599110,10cyclictest1267-21snmpd10:14:017
89196599110,10cyclictest1235628-21users09:59:587
89196599110,10cyclictest1235628-21users09:59:587
89196099119,2cyclictest1508291-21kworker/u16:6+events_unbound12:29:416
89196099118,2cyclictest0-21swapper/607:34:476
89196099118,2cyclictest0-21swapper/607:34:476
891960991110,1cyclictest0-21swapper/611:39:356
891960991110,1cyclictest0-21swapper/607:54:566
89196099110,11cyclictest0-21swapper/611:28:246
89196099110,11cyclictest0-21swapper/609:26:136
89196099110,11cyclictest0-21swapper/608:18:256
89196099110,0cyclictest0-21swapper/611:06:106
89195699119,2cyclictest175460-21kworker/u16:6+flush-8:007:20:435
89195699119,2cyclictest1109404-21kworker/u16:1+flush-8:010:10:335
89195699110,11cyclictest0-21swapper/511:41:525
89196599109,0cyclictest0-21swapper/708:09:377
89196599107,3cyclictest6184-21gvfs-afc-volume11:14:467
89196099109,1cyclictest0-21swapper/608:55:386
89196099109,1cyclictest0-21swapper/608:29:566
89196099109,1cyclictest0-21swapper/608:04:246
89196099108,2cyclictest1012797-21kworker/u16:0+flush-8:008:09:546
89196099100,0cyclictest0-21swapper/608:09:076
89195699109,1cyclictest0-21swapper/511:57:385
89195699109,1cyclictest0-21swapper/510:53:565
89195699108,2cyclictest1390786-21kworker/u16:4+events_unbound11:27:445
89195699107,2cyclictest843137-21kworker/u16:2+events_unbound09:04:315
89195699100,0cyclictest0-21swapper/509:10:405
8919609998,1cyclictest0-21swapper/610:15:346
8919609998,1cyclictest0-21swapper/610:10:506
8919609996,2cyclictest1323347-21kworker/u16:3+events_unbound11:14:446
8919609986,2cyclictest1449764-21kworker/u16:3+flush-8:011:54:576
8919609980,3cyclictest13157272cat10:44:486
8919609975,1cyclictest0-21swapper/607:49:456
8919609975,1cyclictest0-21swapper/607:44:496
8919609972,4cyclictest1121001-21cat09:04:486
8919609964,1cyclictest0-21swapper/609:14:336
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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