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2026-08-04 - 16:13
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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 792 highest latencies:
System rack0slot2.osadl.org (updated Tue Aug 04, 2026 12:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
242841225521,29sleep70-21swapper/707:08:367
2428727995145,5cyclictest3145953-21latency_hist12:23:367
2428714994743,3cyclictest2442434-21kworker/u16:2+flush-8:007:23:374
242817724737,7sleep50-21swapper/507:05:215
2428723994440,3cyclictest2636518-21kworker/u16:0+flush-8:008:54:026
2428714994442,2cyclictest2129741-21kworker/u16:0+events_unbound08:03:504
2428727994338,4cyclictest2626678-21latency_hist08:48:367
2428714994139,2cyclictest2500706-21kworker/u16:3+flush-8:008:13:544
241914824029,8sleep40-21swapper/407:03:444
2428727993934,4cyclictest2961444-21latency_hist11:08:357
2428714993936,2cyclictest2776481-21kworker/u16:4+events_unbound10:43:514
2428720993631,4cyclictest2689989-21kworker/u16:0+flush-8:010:13:365
2428714993533,2cyclictest3052565-21kworker/u16:0+events_unbound11:58:504
28442202340,1chrt2844221-21kthreadcore10:18:587
2428714993331,2cyclictest2689989-21kworker/u16:0+events_unbound10:34:094
242816023323,7sleep60-21swapper/607:05:066
2428727993231,0cyclictest0-21swapper/709:29:027
2428727993231,0cyclictest0-21swapper/708:48:377
2428714993229,2cyclictest2970598-21kworker/u16:0+flush-8:011:13:504
2428714993229,2cyclictest2970598-21kworker/u16:0+flush-8:011:13:504
2428720993129,2cyclictest2776481-21kworker/u16:4+flush-8:011:39:055
2428714992927,2cyclictest2986063-21kworker/u16:2+events_unbound11:43:494
2428714992927,2cyclictest2776481-21kworker/u16:4+flush-8:011:33:104
2428727992827,0cyclictest0-21swapper/711:56:477
2428727992827,0cyclictest0-21swapper/711:56:477
2428720992827,1cyclictest2689989-21kworker/u16:0+events_unbound09:28:355
2428714992826,2cyclictest2776481-21kworker/u16:4+events_unbound11:28:364
2428727992726,0cyclictest0-21swapper/708:56:107
2428727992726,0cyclictest0-21swapper/707:57:077
2428727992726,0cyclictest0-21swapper/707:14:097
2428714992725,2cyclictest2776481-21kworker/u16:4+events_unbound10:49:024
2428714992724,2cyclictest2986063-21kworker/u16:2+flush-8:012:03:524
2428727992625,0cyclictest0-21swapper/708:06:147
2428720992622,3cyclictest2776481-21kworker/u16:4+flush-8:010:23:365
2428714992624,2cyclictest2776481-21kworker/u16:4+events_unbound09:59:104
25091822250,0sleep50-21swapper/507:44:065
2428727992524,0cyclictest0-21swapper/708:40:267
2428727992524,0cyclictest0-21swapper/707:32:227
30136342240,1chrt3013635-21kthreadcore11:28:547
2428727992423,0cyclictest0-21swapper/708:37:347
2428727992423,0cyclictest0-21swapper/708:37:347
2428727992419,4cyclictest648-21systemd-journal10:28:367
2428714992423,1cyclictest2735574-21kworker/u16:2+events_unbound09:38:174
2428714992422,2cyclictest2714815-21kworker/u16:3+events_unbound09:39:144
2428714992422,2cyclictest2500706-21kworker/u16:3+flush-8:008:49:014
2428714992421,2cyclictest2689989-21kworker/u16:0+events_unbound09:43:384
2428727992322,0cyclictest0-21swapper/707:40:347
2428727992322,0cyclictest0-21swapper/707:34:587
2428714992322,1cyclictest2735574-21kworker/u16:2+events_unbound09:52:454
2428714992321,2cyclictest2689989-21kworker/u16:0+events_unbound10:33:304
2428714992321,2cyclictest2689989-21kworker/u16:0+events_unbound09:18:374
28842522220,1chrt2875631-21/usr/sbin/munin10:34:057
2428727992221,0cyclictest0-21swapper/710:15:197
2428727992221,0cyclictest0-21swapper/709:59:257
2428727992221,0cyclictest0-21swapper/707:26:557
2428720992219,2cyclictest2529844-21kworker/u16:4+flush-8:009:18:565
2428714992220,2cyclictest3010682-21kworker/u16:1+events_unbound12:27:184
2428714992220,2cyclictest2776481-21kworker/u16:4+events_unbound10:19:064
2428714992219,2cyclictest2735574-21kworker/u16:2+flush-8:009:53:464
2428727992120,0cyclictest0-21swapper/712:18:187
2428727992120,0cyclictest0-21swapper/711:18:287
2428727992120,0cyclictest0-21swapper/711:18:287
2428727992120,0cyclictest0-21swapper/708:16:427
2428727992120,0cyclictest0-21swapper/707:59:587
2428727992119,1cyclictest0-21swapper/710:49:217
2428714992118,2cyclictest2986063-21kworker/u16:2+events_unbound11:38:504
2428727992019,0cyclictest0-21swapper/711:42:117
2428727992019,0cyclictest0-21swapper/708:26:557
2428727992019,0cyclictest0-21swapper/707:44:077
2428727992015,4cyclictest2578048-21latency_hist08:23:367
242872799200,19cyclictest0-21swapper/709:26:197
2428723992016,3cyclictest2428430-21kworker/u16:3+flush-8:007:09:026
2428714992018,2cyclictest3096875-21kworker/u16:3+flush-8:012:08:584
2428714992018,2cyclictest2529844-21kworker/u16:4+events_unbound08:28:544
2428714992018,2cyclictest2129741-21kworker/u16:0+flush-8:007:13:544
2428714992017,2cyclictest2689989-21kworker/u16:0+events_unbound10:38:384
2428727991918,0cyclictest0-21swapper/710:57:087
2428727991918,0cyclictest0-21swapper/710:39:337
2428727991918,0cyclictest0-21swapper/709:48:257
2428727991917,1cyclictest2737088-21ssh09:34:287
2428720991917,2cyclictest2636518-21kworker/u16:0+flush-8:008:53:565
2428714991917,2cyclictest2587648-21kworker/u16:1+flush-8:009:25:224
2428714991917,2cyclictest2500706-21kworker/u16:3+events_unbound07:58:514
2428727991817,0cyclictest0-21swapper/710:07:597
2428727991817,0cyclictest0-21swapper/708:29:047
2428714991816,2cyclictest3010682-21kworker/u16:1+events_unbound11:49:334
2428727991716,0cyclictest0-21swapper/712:36:277
2428727991716,0cyclictest0-21swapper/712:36:277
2428727991716,0cyclictest0-21swapper/712:28:267
2428727991716,0cyclictest0-21swapper/710:24:157
2428720991715,2cyclictest2689989-21kworker/u16:0+flush-8:010:39:065
2428714991715,2cyclictest2529844-21kworker/u16:4+flush-8:009:14:024
2428714991715,2cyclictest2529844-21kworker/u16:4+flush-8:009:14:024
2428714991715,2cyclictest2428430-21kworker/u16:3+flush-8:007:33:564
2428727991615,0cyclictest0-21swapper/709:42:127
2428727991615,0cyclictest0-21swapper/707:22:327
2428727991613,2cyclictest125-21kswapd010:58:507
2428720991613,2cyclictest2970598-21kworker/u16:0+flush-8:011:23:415
2428714991614,2cyclictest2129741-21kworker/u16:0+events_unbound07:09:014
2428727991514,0cyclictest0-21swapper/709:01:297
2428723991514,1cyclictest0-21swapper/610:03:166
2428723991512,3cyclictest0-21swapper/609:17:056
2428723991512,3cyclictest0-21swapper/609:17:056
2428720991511,3cyclictest2428430-21kworker/u16:3+flush-8:007:08:545
2428714991513,2cyclictest3158624-21kworker/u16:3+events_unbound12:28:504
2428714991513,2cyclictest3010682-21kworker/u16:1+events_unbound11:54:144
2428714991513,2cyclictest3010682-21kworker/u16:1+events_unbound11:54:144
2428714991513,2cyclictest2986063-21kworker/u16:2+flush-8:012:18:314
2428714991513,2cyclictest2776481-21kworker/u16:4+flush-8:011:08:524
2428714991512,2cyclictest2735574-21kworker/u16:2+flush-8:010:13:524
242872799149,4cyclictest2987365-21cat11:18:547
2428727991413,0cyclictest0-21swapper/710:46:067
2428727991413,0cyclictest0-21swapper/708:13:017
2428727991411,2cyclictest0-21swapper/712:08:367
2428723991413,1cyclictest0-21swapper/612:29:166
2428723991413,1cyclictest0-21swapper/612:23:076
2428723991413,1cyclictest0-21swapper/612:01:036
2428723991413,1cyclictest0-21swapper/609:11:246
242872399140,1cyclictest0-21swapper/611:09:016
242872399140,1cyclictest0-21swapper/610:57:126
242872399140,14cyclictest0-21swapper/611:25:536
242872399140,14cyclictest0-21swapper/610:13:316
242872399140,14cyclictest0-21swapper/609:55:056
2428720991413,1cyclictest0-21swapper/511:48:535
2428720991413,1cyclictest0-21swapper/511:22:535
2428720991413,1cyclictest0-21swapper/510:36:035
242872099140,1cyclictest0-21swapper/509:56:005
242872099140,14cyclictest0-21swapper/511:18:185
242872099140,14cyclictest0-21swapper/511:18:185
242872099140,0cyclictest0-21swapper/509:45:455
2428714991413,1cyclictest0-21swapper/410:59:544
2428714991413,1cyclictest0-21swapper/409:09:424
2428714991413,1cyclictest0-21swapper/408:33:544
2428714991413,1cyclictest0-21swapper/408:33:544
2428714991412,2cyclictest2500706-21kworker/u16:3+events_unbound07:43:594
242871499140,1cyclictest0-21swapper/410:11:114
242871499140,14cyclictest0-21swapper/412:23:094
242871499140,14cyclictest0-21swapper/411:20:244
242872799139,3cyclictest1302-21snmpd12:29:287
242872799139,3cyclictest1302-21snmpd12:00:307
242872799135,7cyclictest6466-21gmain09:49:057
2428727991310,2cyclictest0-21swapper/707:49:037
2428723991312,1cyclictest0-21swapper/611:50:206
2428723991312,1cyclictest0-21swapper/611:30:286
2428723991312,1cyclictest0-21swapper/610:29:556
2428723991312,1cyclictest0-21swapper/610:21:436
2428723991312,1cyclictest0-21swapper/609:40:446
2428723991312,1cyclictest0-21swapper/609:22:456
242872399130,0cyclictest0-21swapper/611:43:426
2428720991312,1cyclictest0-21swapper/512:36:405
2428720991312,1cyclictest0-21swapper/512:36:405
2428720991312,1cyclictest0-21swapper/512:26:535
2428720991312,1cyclictest0-21swapper/512:21:135
2428720991312,1cyclictest0-21swapper/511:10:355
2428720991312,1cyclictest0-21swapper/510:06:155
2428720991312,1cyclictest0-21swapper/510:02:095
2428720991312,1cyclictest0-21swapper/509:12:485
2428720991311,2cyclictest3010682-21kworker/u16:1+events_unbound11:33:065
2428720991310,2cyclictest2735574-21kworker/u16:2+flush-8:010:14:135
242872099130,13cyclictest0-21swapper/511:57:055
242872099130,13cyclictest0-21swapper/511:57:055
242872099130,13cyclictest0-21swapper/509:49:515
2428714991311,2cyclictest3010682-21kworker/u16:1+events_unbound11:37:514
2428714991311,2cyclictest2129741-21kworker/u16:0+events_unbound07:39:064
242871499130,1cyclictest0-21swapper/409:07:394
242871499130,13cyclictest0-21swapper/410:25:324
242872799129,2cyclictest2823134-21sed10:09:097
242872799129,2cyclictest1302-21snmpd09:20:567
242872799129,2cyclictest1302-21snmpd09:15:027
242872799129,2cyclictest1302-21snmpd09:15:027
242872799128,3cyclictest1302-21snmpd07:09:177
242872799127,4cyclictest2999689-21cat11:23:537
2428727991212,0cyclictest0-21swapper/711:53:257
2428727991212,0cyclictest0-21swapper/711:37:207
242872799121,10cyclictest2787487-21ssh09:56:197
2428723991211,1cyclictest0-21swapper/612:37:006
2428723991211,1cyclictest0-21swapper/612:37:006
2428723991211,1cyclictest0-21swapper/612:27:136
2428723991211,1cyclictest0-21swapper/611:21:196
2428723991211,1cyclictest0-21swapper/611:16:456
2428723991211,1cyclictest0-21swapper/611:16:456
2428723991211,1cyclictest0-21swapper/610:34:016
2428723991211,1cyclictest0-21swapper/610:25:496
2428723991211,1cyclictest0-21swapper/609:44:506
2428723991211,1cyclictest0-21swapper/609:34:356
2428723991211,1cyclictest0-21swapper/609:24:486
242872399120,12cyclictest0-21swapper/608:45:426
2428720991211,1cyclictest0-21swapper/511:34:045
2428720991211,1cyclictest0-21swapper/511:04:545
2428720991211,1cyclictest0-21swapper/510:45:495
2428720991211,1cyclictest0-21swapper/510:24:135
2428720991211,1cyclictest0-21swapper/509:33:565
2428720991211,1cyclictest0-21swapper/509:18:295
2428720991211,1cyclictest0-21swapper/509:18:295
2428720991211,1cyclictest0-21swapper/508:10:505
242872099120,1cyclictest0-21swapper/508:43:005
242872099120,12cyclictest0-21swapper/507:57:075
2428714991211,1cyclictest0-21swapper/412:35:274
2428714991211,1cyclictest0-21swapper/412:35:274
2428714991211,1cyclictest0-21swapper/411:04:004
2428714991211,1cyclictest0-21swapper/410:07:054
2428714991211,1cyclictest0-21swapper/408:59:464
2428714991210,2cyclictest2689989-21kworker/u16:0+events_unbound10:55:424
242871499120,12cyclictest0-21swapper/408:21:464
27267912110,1sleep40-21swapper/409:33:034
25611422110,1sleep50-21swapper/508:13:555
242872799119,1cyclictest2665505-21diskmemload09:08:587
242872799117,3cyclictest1302-21snmpd12:03:397
242872799115,5cyclictest6233-21gvfs-afc-volume11:11:437
2428727991111,0cyclictest0-21swapper/711:44:327
242872799110,10cyclictest1302-21snmpd09:05:117
242872399118,3cyclictest3096875-21kworker/u16:3+flush-8:012:13:576
2428723991110,1cyclictest0-21swapper/612:09:436
2428723991110,1cyclictest0-21swapper/611:37:056
2428723991110,1cyclictest0-21swapper/611:01:186
2428723991110,1cyclictest0-21swapper/609:48:566
2428723991110,1cyclictest0-21swapper/609:30:296
2428723991110,1cyclictest0-21swapper/609:04:376
2428723991110,1cyclictest0-21swapper/607:36:486
2428723991110,1cyclictest0-21swapper/607:21:596
242872399110,11cyclictest0-21swapper/608:27:446
242872399110,11cyclictest0-21swapper/608:01:156
242872399110,11cyclictest0-21swapper/607:46:546
242872099117,3cyclictest2529844-21kworker/u16:4+flush-8:009:04:025
2428720991110,1cyclictest0-21swapper/509:29:505
2428720991110,1cyclictest0-21swapper/508:30:525
2428720991110,1cyclictest0-21swapper/508:27:435
2428720991110,1cyclictest0-21swapper/507:51:175
2428720991110,1cyclictest0-21swapper/507:42:185
2428720991110,1cyclictest0-21swapper/507:31:445
242872099110,0cyclictest0-21swapper/508:46:095
2428714991110,1cyclictest0-21swapper/408:44:284
242872399109,1cyclictest0-21swapper/610:51:316
242872399109,1cyclictest0-21swapper/610:45:516
242872399109,1cyclictest0-21swapper/608:48:516
242872399109,1cyclictest0-21swapper/608:21:546
242872399109,1cyclictest0-21swapper/608:10:146
242872399109,1cyclictest0-21swapper/607:56:596
242872399109,1cyclictest0-21swapper/607:30:586
242872399108,1cyclictest0-21swapper/607:13:406
242872099109,1cyclictest0-21swapper/512:15:325
242872099109,1cyclictest0-21swapper/512:13:295
242872099109,1cyclictest0-21swapper/510:57:115
242872099109,1cyclictest0-21swapper/510:51:305
242872099109,1cyclictest0-21swapper/508:50:535
242872099109,1cyclictest0-21swapper/508:34:015
242872099109,1cyclictest0-21swapper/508:34:015
242872099109,1cyclictest0-21swapper/507:34:545
242871499109,1cyclictest0-21swapper/408:24:554
242871499109,1cyclictest0-21swapper/407:24:324
242871499108,2cyclictest2636518-21kworker/u16:0+flush-8:008:53:544
242871499107,2cyclictest2500706-21kworker/u16:3+flush-8:007:54:074
24287239998,1cyclictest0-21swapper/608:04:246
24287239998,1cyclictest0-21swapper/607:42:386
24287239997,2cyclictest86-21ksoftirqd/610:41:246
24287209998,1cyclictest0-21swapper/512:03:435
24287209998,1cyclictest0-21swapper/510:59:145
24287209998,1cyclictest0-21swapper/508:00:175
24287149996,2cyclictest2529844-21kworker/u16:4+flush-8:008:09:174
24287239987,1cyclictest0-21swapper/608:39:526
24287239987,1cyclictest0-21swapper/608:36:436
24287239987,1cyclictest0-21swapper/608:36:436
24287239987,1cyclictest0-21swapper/608:30:536
24287239987,1cyclictest0-21swapper/608:16:046
24287239987,1cyclictest0-21swapper/607:25:086
24287239986,2cyclictest86-21ksoftirqd/612:07:196
24287239986,2cyclictest86-21ksoftirqd/611:42:206
24287239986,2cyclictest86-21ksoftirqd/611:04:076
24287239986,2cyclictest86-21ksoftirqd/610:05:286
24287239982,1cyclictest0-21swapper/611:54:166
24287239982,1cyclictest0-21swapper/611:54:166
24287209987,1cyclictest0-21swapper/511:44:475
24287209987,1cyclictest0-21swapper/509:40:055
24287209987,1cyclictest0-21swapper/508:59:155
24287239970,3cyclictest0-21swapper/610:13:396
24287209976,1cyclictest0-21swapper/512:30:595
24287209972,4cyclictest2440103-21cat07:13:395
24287149976,1cyclictest0-21swapper/408:42:534
24287149976,1cyclictest0-21swapper/407:31:564
24287239960,6cyclictest0-21swapper/607:48:496
24287239960,1cyclictest0-21swapper/608:58:526
24287209965,1cyclictest0-21swapper/510:30:225
24287209960,1cyclictest0-21swapper/511:59:175
24287209954,1cyclictest0-21swapper/508:18:435
24287209953,2cyclictest0-21swapper/508:04:025
24287209950,5cyclictest0-21swapper/507:19:255
24287209950,4cyclictest2463473-21taskset07:23:555
24287149951,1cyclictest201rcu_preempt07:48:554
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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