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2026-06-30 - 11:49
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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 100 highest latencies:
System rackeslot8.osadl.org (updated Tue Jun 30, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2795664993128,1cyclictest0-21swapper/322:55:003
2795664992623,1cyclictest0-21swapper/322:40:113
2795664992522,1cyclictest0-21swapper/323:50:013
2795664992522,1cyclictest0-21swapper/320:10:013
2795664992421,1cyclictest0-21swapper/319:30:193
2795664992320,1cyclictest0-21swapper/323:20:173
2795664992320,1cyclictest0-21swapper/323:15:283
2795664992320,1cyclictest0-21swapper/323:05:273
2795664992320,1cyclictest0-21swapper/300:00:163
2795664992119,1cyclictest0-21swapper/320:25:013
2795664992118,1cyclictest0-21swapper/323:40:033
2795664992118,1cyclictest0-21swapper/323:25:163
2795664992118,1cyclictest0-21swapper/322:20:113
2795664992118,1cyclictest0-21swapper/321:20:063
2795664992118,1cyclictest0-21swapper/320:50:183
279566499211,15cyclictest3232674-21taskset00:05:513
2795664992017,1cyclictest0-21swapper/322:15:263
2795664992017,1cyclictest0-21swapper/322:00:033
2795664992017,1cyclictest0-21swapper/321:55:193
2795664992017,1cyclictest0-21swapper/321:40:043
2795664992017,1cyclictest0-21swapper/300:20:203
279566499201,14cyclictest2887029-21taskset20:16:543
279566499192,13cyclictest3013536-21taskset21:48:353
279566499192,13cyclictest2965987-21taskset21:17:083
2795664991916,1cyclictest0-21swapper/323:50:013
2795664991916,1cyclictest0-21swapper/323:10:183
2795664991916,1cyclictest0-21swapper/320:30:173
2795664991916,1cyclictest0-21swapper/320:05:003
279566499191,15cyclictest3014805-21taskset21:50:163
279566499191,14cyclictest3186737-21taskset23:39:533
279566499191,14cyclictest2819055-21taskset19:25:183
279566499188,7cyclictest30512062sleep322:10:253
279566499182,13cyclictest3210729-21taskset23:55:093
279566499182,12cyclictest3248348-21taskset00:15:543
279566499182,12cyclictest2938390-21taskset20:58:323
2795664991815,1cyclictest0-21swapper/323:33:133
279566499181,14cyclictest3265832-21taskset00:30:053
279566499181,14cyclictest3265832-21taskset00:30:053
279566499181,13cyclictest3263131-21taskset00:25:203
279566499181,13cyclictest3263131-21taskset00:25:203
279566499181,13cyclictest3076294-21taskset22:28:213
279566499181,13cyclictest3044846-21taskset22:08:203
279566499181,13cyclictest2944573-21taskset21:00:403
279566499181,13cyclictest2922132-21taskset20:45:173
279566499181,13cyclictest2912762-21taskset20:38:033
279566499181,13cyclictest2861270-21taskset19:55:413
279566499178,6cyclictest2951330-21turbostat21:10:003
279566499172,12cyclictest3091633-21taskset22:37:233
2795664991714,1cyclictest0-21swapper/321:10:213
2795664991714,1cyclictest0-21swapper/300:35:133
279566499171,13cyclictest3241546-21taskset00:13:453
279566499171,13cyclictest2988966-21taskset21:30:393
279566499171,13cyclictest2899809-21taskset20:27:003
279566499171,13cyclictest2842316-21taskset19:43:233
279566499171,13cyclictest2810223-21taskset19:16:533
279566499171,13cyclictest2801870-21chrt19:14:043
279566499171,12cyclictest3106059-21taskset22:45:203
279566499171,12cyclictest2996762-21taskset21:35:283
279566499171,12cyclictest2975226-21taskset21:25:143
279566499171,12cyclictest2919339-21taskset20:44:573
279566499171,12cyclictest2874780-21taskset20:10:133
279566499171,12cyclictest2849131-21chrt19:50:123
2795664991613,1cyclictest0-21swapper/323:00:163
2795664991612,1cyclictest0-21swapper/319:20:163
279566499161,12cyclictest3122695-21taskset22:56:153
279566499161,12cyclictest3077192-21taskset22:30:093
279566499161,12cyclictest2842747-21taskset19:45:113
279566499161,11cyclictest2829912-21taskset19:35:053
31865992150,11sleep23186604-21sh23:39:332
302744621511,2sleep03005597-21kworker/0:0+kacpid21:55:230
28478822151,10sleep02847918-21ntpq19:45:210
28138192151,11sleep12814009-21cut19:20:201
31859192140,10sleep03185925-21ssh23:37:430
31140702141,10sleep03114198-21python322:50:280
28564232141,9sleep22857254-21tr19:55:172
30834272131,8sleep13083432-21sh22:31:281
30508252130,10sleep23051007-21cut22:10:202
30224642131,3sleep13022634-21gltestperf21:55:161
29056182131,4sleep02905657-21ntp_states20:30:230
31633162120,8sleep13163463-21latency_hist23:25:011
31625152128,2sleep20-21swapper/223:22:492
31454462120,1sleep10-21swapper/123:10:251
31375512120,9sleep13137589-21sh23:05:241
31172262121,3sleep0222-21plymouthd22:55:170
29000442121,8sleep22900195-21latency_hist20:30:012
32723042113,4sleep23193188-21kworker/u16:2+xprtiod00:32:012
32723042113,4sleep23193188-21kworker/u16:2+xprtiod00:32:012
31937482110,8sleep23193754-21ssh23:42:382
31699372110,8sleep03169943-21ssh23:26:360
29744012110,2sleep0222-21plymouthd21:23:430
29670032110,8sleep22967102-21sed21:20:012
32555282101,6sleep10-21swapper/100:20:261
32506102100,7sleep23251168-21ps00:20:192
32253982100,7sleep0222-21plymouthd00:02:240
31876062100,7sleep13188422-21sed23:40:161
31627842100,7sleep03162785-21sh23:23:310
30401542101,6sleep23041843-21cut22:05:192
30051092100,1sleep10-21swapper/121:41:491
29987582100,5sleep2249-21jbd2/sda2-821:40:132
28808812102,5sleep1222-21plymouthd20:15:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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