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2026-09-21 - 00:43
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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 Sun Sep 20, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
67033021000,1sleep6841rcuc/609:54:396
3200282880,0sleep60-21swapper/607:09:406
3158892493,39sleep70-21swapper/707:07:587
316275994543,2cyclictest612050-21kworker/u16:6+flush-8:009:34:205
31573724333,7sleep50-21swapper/507:05:475
31628999410,39cyclictest645-21systemd-journal07:19:217
618789400,32rtkit-daemon0-21swapper/607:05:136
316275993937,2cyclictest698244-21kworker/u16:1+flush-8:010:39:155
316289993734,2cyclictest939291-21kthreadcore11:44:397
316289993634,1cyclictest0-21swapper/711:58:047
31571623524,8sleep40-21swapper/407:05:304
316289993432,1cyclictest0-21swapper/711:10:197
316289993332,0cyclictest0-21swapper/709:33:357
316289993230,1cyclictest0-21swapper/709:55:077
316289993130,0cyclictest0-21swapper/710:58:127
316289993130,0cyclictest0-21swapper/709:37:167
316289993129,1cyclictest1007799-21ssh12:10:327
316275993129,2cyclictest466199-21kworker/u16:3+flush-8:008:24:405
316275993129,2cyclictest426956-21kworker/u16:4+flush-8:008:19:395
316275993129,2cyclictest339583-21kworker/u16:3+flush-8:007:24:165
316275993129,2cyclictest1006719-21kworker/u16:0+events_unbound12:29:455
316275993128,2cyclictest533946-21kworker/u16:0+events_unbound09:19:275
316289993029,0cyclictest0-21swapper/712:03:237
316289993029,0cyclictest0-21swapper/710:05:487
316289993028,1cyclictest908757-21ssh11:30:017
316289993028,1cyclictest0-21swapper/711:51:087
7512502290,1chrt751248-21ssh10:29:267
316289992928,0cyclictest0-21swapper/709:14:597
316289992926,2cyclictest736242-21ssh10:20:207
316275992927,2cyclictest466199-21kworker/u16:3+events_unbound09:27:595
316289992827,0cyclictest0-21swapper/710:36:117
316289992826,1cyclictest872372-21ssh11:16:117
316289992825,2cyclictest325203-21timerandwakeup07:09:517
316275992826,2cyclictest812632-21kworker/u16:0+flush-8:010:59:155
316275992826,2cyclictest763572-21kworker/u16:3+flush-8:011:25:005
316275992826,2cyclictest603470-21kworker/u16:5+flush-8:010:19:435
316275992826,2cyclictest286986-21kworker/u16:1+flush-8:007:39:165
316289992726,0cyclictest0-21swapper/711:38:037
316289992726,0cyclictest0-21swapper/710:45:117
316289992726,0cyclictest0-21swapper/709:47:007
316289992726,0cyclictest0-21swapper/709:28:077
316289992725,1cyclictest712258-21ssh10:11:247
316289992725,1cyclictest0-21swapper/711:03:077
316275992725,2cyclictest627540-21kworker/u16:2+flush-8:009:39:325
316275992725,2cyclictest446050-21kworker/u16:1+flush-8:008:14:165
316275992724,2cyclictest641002-21kworker/u16:0+events_unbound09:49:235
316275992724,2cyclictest612050-21kworker/u16:6+flush-8:009:34:395
316289992625,0cyclictest0-21swapper/711:41:047
316289992625,0cyclictest0-21swapper/711:07:567
316289992625,0cyclictest0-21swapper/710:50:197
316289992625,0cyclictest0-21swapper/710:39:287
316289992625,0cyclictest0-21swapper/710:02:117
316289992624,1cyclictest564175-21ssh09:11:537
316289992624,1cyclictest1045514-21ssh12:26:407
31628999260,25cyclictest885183-21ssh11:21:597
316283992618,3cyclictest603027-21packagekitd09:29:226
316275992622,3cyclictest603470-21kworker/u16:5+flush-8:010:09:205
316289992524,0cyclictest0-21swapper/709:51:497
316289992523,1cyclictest997108-21ssh12:08:207
316289992523,1cyclictest997108-21ssh12:08:207
316275992523,2cyclictest983175-21kworker/u16:3+flush-8:012:01:315
316275992523,2cyclictest933425-21kworker/u16:6+events_unbound11:51:315
316275992523,2cyclictest763572-21kworker/u16:3+flush-8:010:44:195
316275992523,2cyclictest698244-21kworker/u16:1+flush-8:010:52:035
316275992523,2cyclictest641002-21kworker/u16:0+flush-8:010:16:595
316275992523,2cyclictest316481-21kworker/u16:0+events_unbound07:14:445
316275992523,2cyclictest1010119-21kworker/u16:1+flush-8:012:29:155
316275992522,2cyclictest946692-21kworker/u16:0+events_unbound11:54:235
316289992423,0cyclictest0-21swapper/710:18:457
316289992423,0cyclictest0-21swapper/709:41:167
316289992423,0cyclictest0-21swapper/709:22:157
316275992422,2cyclictest446050-21kworker/u16:1+flush-8:008:44:155
316275992422,2cyclictest349264-21kworker/u16:4+flush-8:007:44:395
316289992322,0cyclictest0-21swapper/712:33:567
316289992322,0cyclictest0-21swapper/712:22:007
316275992321,2cyclictest899264-21kworker/u16:5+flush-8:011:30:115
316275992321,2cyclictest641002-21kworker/u16:0+events_unbound10:00:195
316275992320,2cyclictest785399-21kworker/u16:2+events_unbound11:04:335
7563932220,1chrt0-21swapper/510:29:405
316289992221,0cyclictest0-21swapper/712:16:037
316289992221,0cyclictest0-21swapper/711:25:307
316289992221,0cyclictest0-21swapper/708:11:327
316289992221,0cyclictest0-21swapper/707:27:577
316289992220,1cyclictest553237-21diskmemload10:25:057
316275992220,2cyclictest286986-21kworker/u16:1+flush-8:007:34:165
316275992120,1cyclictest1010119-21kworker/u16:1+events_unbound12:37:235
316275992119,2cyclictest785399-21kworker/u16:2+flush-8:012:14:195
316275992119,2cyclictest785399-21kworker/u16:2+flush-8:012:08:315
316275992119,2cyclictest785399-21kworker/u16:2+flush-8:012:08:315
316275992119,2cyclictest785399-21kworker/u16:2+flush-8:011:40:525
316275992119,2cyclictest785399-21kworker/u16:2+events_unbound11:17:315
316275992119,2cyclictest641002-21kworker/u16:0+flush-8:010:10:195
316275992119,2cyclictest603470-21kworker/u16:5+flush-8:010:26:275
316275992119,2cyclictest397961-21kworker/u16:0+flush-8:008:34:415
316289992019,0cyclictest0-21swapper/708:54:357
316275992018,2cyclictest824861-21kworker/u16:4+events_unbound11:11:045
316275992018,2cyclictest1006719-21kworker/u16:0+flush-8:012:18:555
316272992018,2cyclictest1010119-21kworker/u16:1+flush-8:012:34:354
316275991917,2cyclictest898877-21kworker/u16:4+flush-8:011:45:115
316275991917,2cyclictest785399-21kworker/u16:2+events_unbound11:21:125
316275991917,2cyclictest627540-21kworker/u16:2+events_unbound09:47:045
316289991817,0cyclictest0-21swapper/707:38:327
316289991815,2cyclictest0-21swapper/708:08:447
31628399180,17cyclictest0-21swapper/608:39:486
316275991816,2cyclictest466199-21kworker/u16:3+flush-8:009:09:455
316275991816,2cyclictest1006719-21kworker/u16:0+events_unbound12:23:035
316289991714,2cyclictest1274-21snmpd08:34:377
316289991714,2cyclictest1274-21snmpd07:49:187
316275991715,2cyclictest446050-21kworker/u16:1+events_unbound08:49:365
316289991615,0cyclictest0-21swapper/708:48:327
316289991615,0cyclictest0-21swapper/707:52:317
316275991614,2cyclictest898877-21kworker/u16:4+flush-8:011:35:165
316275991614,2cyclictest824862-21kworker/u16:5+events_unbound11:01:005
316275991614,2cyclictest763572-21kworker/u16:3+events_unbound10:46:195
316275991613,2cyclictest466199-21kworker/u16:3+events_unbound08:29:275
31627599160,1cyclictest0-21swapper/509:57:445
31628399150,1cyclictest0-21swapper/610:19:366
31628399150,15cyclictest0-21swapper/611:40:296
316275991513,2cyclictest426956-21kworker/u16:4+flush-8:008:04:455
316289991413,0cyclictest0-21swapper/708:39:517
31628999140,1cyclictest0-21swapper/707:19:447
31628999140,13cyclictest1274-21snmpd07:54:307
316283991413,1cyclictest0-21swapper/610:08:156
316283991411,2cyclictest578666-21tr09:19:326
31628399140,1cyclictest0-21swapper/612:02:156
31628399140,1cyclictest0-21swapper/611:46:006
31628399140,14cyclictest0-21swapper/612:31:446
31628399140,14cyclictest0-21swapper/612:20:136
31628399140,14cyclictest0-21swapper/612:14:426
31628399140,14cyclictest0-21swapper/611:17:576
31628399140,14cyclictest0-21swapper/611:07:236
31628399140,14cyclictest0-21swapper/610:45:566
31628399140,14cyclictest0-21swapper/609:49:396
316275991412,2cyclictest503730-21kworker/u16:2+flush-8:008:54:455
316275991412,2cyclictest466199-21kworker/u16:3+events_unbound09:18:365
316275991412,2cyclictest388011-21kworker/u16:2+flush-8:007:59:415
316272991413,1cyclictest0-21swapper/409:45:154
316272991413,1cyclictest0-21swapper/409:13:244
31627299140,14cyclictest0-21swapper/412:19:174
31627299140,14cyclictest0-21swapper/412:00:224
31627299140,14cyclictest0-21swapper/411:18:264
31627299140,14cyclictest0-21swapper/411:13:234
31627299140,14cyclictest0-21swapper/410:03:514
31628999139,3cyclictest1274-21snmpd07:44:157
31628999136,6cyclictest5923-21gmain09:00:237
316289991312,0cyclictest0-21swapper/708:14:457
316289991311,1cyclictest0-21swapper/708:29:487
316289991310,2cyclictest474622-21sshd-session08:24:457
31628399138,4cyclictest480519-21kthreadcore08:29:426
316283991312,1cyclictest0-21swapper/610:49:346
316283991312,1cyclictest0-21swapper/610:26:526
316283991312,1cyclictest0-21swapper/609:41:276
316283991312,1cyclictest0-21swapper/609:15:556
316283991312,1cyclictest0-21swapper/607:49:406
31628399130,13cyclictest0-21swapper/611:12:256
31628399130,0cyclictest0-21swapper/610:57:466
316275991312,1cyclictest0-21swapper/507:49:345
316272991312,1cyclictest0-21swapper/411:51:044
316272991312,1cyclictest0-21swapper/411:40:024
316272991312,1cyclictest0-21swapper/411:34:304
316272991312,1cyclictest0-21swapper/411:23:574
316272991312,1cyclictest0-21swapper/410:21:594
316272991312,1cyclictest0-21swapper/410:18:214
316272991312,1cyclictest0-21swapper/410:10:384
31627299130,13cyclictest0-21swapper/411:45:334
31627299130,13cyclictest0-21swapper/410:25:374
31627299130,13cyclictest0-21swapper/409:24:454
31627299130,0cyclictest0-21swapper/412:08:434
31627299130,0cyclictest0-21swapper/412:08:434
31627299130,0cyclictest0-21swapper/410:36:294
31628999128,3cyclictest1274-21snmpd07:31:507
31628999126,5cyclictest6337-21gmain12:36:387
31628999126,5cyclictest5923-21gmain08:50:397
31628999126,5cyclictest5923-21gmain08:01:557
31628999120,11cyclictest553110-21sshd-session09:07:457
31628399124,7cyclictest785399-21kworker/u16:2+flush-8:011:29:456
316283991211,1cyclictest0-21swapper/611:23:566
316283991211,1cyclictest0-21swapper/608:27:316
31628399120,0cyclictest0-21swapper/609:28:416
31627599120,1cyclictest0-21swapper/509:02:345
31627299129,2cyclictest805403-21kthreadcore10:49:404
316272991211,1cyclictest0-21swapper/412:13:464
316272991211,1cyclictest0-21swapper/411:08:204
316272991211,1cyclictest0-21swapper/410:47:224
316272991211,1cyclictest0-21swapper/408:18:514
316272991211,1cyclictest0-21swapper/407:28:334
316272991210,1cyclictest0-21swapper/410:39:384
31627299120,12cyclictest0-21swapper/408:37:554
31628999115,5cyclictest6337-21gmain08:19:477
31628399118,2cyclictest408879-21irqcore07:54:386
31628399117,3cyclictest457257-21cat08:19:356
31628399116,4cyclictest969727-21needreboot11:54:426
316283991110,1cyclictest0-21swapper/612:25:446
316283991110,1cyclictest0-21swapper/611:52:286
316283991110,1cyclictest0-21swapper/611:34:306
316283991110,1cyclictest0-21swapper/610:38:136
316283991110,1cyclictest0-21swapper/610:15:306
316283991110,1cyclictest0-21swapper/610:00:326
316283991110,1cyclictest0-21swapper/609:45:336
316283991110,1cyclictest0-21swapper/609:11:496
316283991110,1cyclictest0-21swapper/608:59:216
316283991110,1cyclictest0-21swapper/608:17:166
316283991110,1cyclictest0-21swapper/608:01:496
31628399110,11cyclictest0-21swapper/608:48:196
31628399110,11cyclictest0-21swapper/607:25:046
31628399110,10cyclictest345883-21cut07:19:416
31628399110,10cyclictest1004058-21kthreadcore12:09:436
31628399110,0cyclictest0-21swapper/609:06:466
31627599119,2cyclictest286986-21kworker/u16:1+flush-8:007:54:365
31627299118,2cyclictest6451-21fwupd09:29:284
316272991110,1cyclictest0-21swapper/412:29:224
316272991110,1cyclictest0-21swapper/410:58:434
316272991110,1cyclictest0-21swapper/409:17:014
316272991110,1cyclictest0-21swapper/408:28:094
31627299110,1cyclictest0-21swapper/409:09:184
31627299110,1cyclictest0-21swapper/407:30:274
31627299110,11cyclictest0-21swapper/407:49:504
31627299110,0cyclictest0-21swapper/408:43:274
31628399109,1cyclictest0-21swapper/609:36:536
31628399109,1cyclictest0-21swapper/608:53:506
31628399108,1cyclictest0-21swapper/608:09:416
31628399107,2cyclictest493892-21missed_timers08:34:436
31628399106,3cyclictest887833-21cat11:24:356
31628399105,4cyclictest705622-21kthreadcore10:09:396
31628399103,6cyclictest0-21swapper/612:04:416
31628399103,6cyclictest0-21swapper/612:04:416
31628399103,6cyclictest0-21swapper/610:29:406
31628399100,9cyclictest1065132-21cut12:34:406
31628399100,4cyclictest827548-21kthreadcore10:59:386
31628399100,2cyclictest427752-21cstates08:04:346
31627599108,2cyclictest316481-21kworker/u16:0+flush-8:007:24:475
31627599108,2cyclictest296739-21kworker/u16:2+flush-8:007:09:415
31627299109,1cyclictest0-21swapper/410:07:004
31627299109,1cyclictest0-21swapper/409:20:394
31627299109,1cyclictest0-21swapper/408:54:294
31627299109,1cyclictest0-21swapper/408:03:524
31627299105,4cyclictest887811-21cat11:24:354
3162839996,2cyclictest525103-21fschecks_time08:54:356
3162839996,2cyclictest359268-21/usr/sbin/munin07:29:426
3162839994,4cyclictest389222-21iptables07:44:376
3162839994,4cyclictest373752-21kthreadcore07:34:416
3162839993,5cyclictest0-21swapper/610:39:336
3162839990,8cyclictest333969-21kthreadcore07:14:406
3162759997,1cyclictest0-21swapper/508:14:405
3162729998,1cyclictest0-21swapper/411:03:174
3162729998,1cyclictest0-21swapper/409:40:404
3162729998,1cyclictest0-21swapper/409:00:574
3162729998,1cyclictest0-21swapper/408:48:584
3162729997,2cyclictest345989-21kthreadcore07:19:414
3162729997,2cyclictest286986-21kworker/u16:1+flush-8:007:39:464
3162729995,3cyclictest458818-21kthreadcore08:19:384
3162729995,3cyclictest427453-21tr08:04:334
3162729994,4cyclictest673620-21ntp_states09:54:444
3162729994,4cyclictest1035984-21iostat12:24:364
3162839984,3cyclictest379042-21expr07:39:326
3162759987,1cyclictest0-21swapper/508:49:095
3162759983,4cyclictest387382-21sed07:39:475
3162729987,1cyclictest0-21swapper/409:36:344
3162729984,3cyclictest964584-21cut11:54:384
3162729984,3cyclictest476086-21cpuspeed_turbos08:29:354
3162729984,3cyclictest375302-21tr07:34:424
3162729983,4cyclictest901921-21cut11:29:384
3162729983,4cyclictest653837-21sed09:49:364
3162729983,4cyclictest522293-21cut08:49:424
3162729983,4cyclictest441682-21cut08:09:414
3162729983,4cyclictest1022934-21cpuspeed_turbos12:19:314
3162759975,1cyclictest0-21swapper/509:04:335
3162729975,1cyclictest0-21swapper/410:29:334
3162729973,3cyclictest408182-21expr07:54:344
3162729973,3cyclictest328373-21kthreadcore07:14:244
3162729972,4cyclictest391202-21cut07:44:394
3162729954,1cyclictest0-21swapper/407:09:264
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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