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2026-05-24 - 03:39
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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 Sun May 24, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2143746992825,1cyclictest0-21swapper/300:40:013
2143746992825,1cyclictest0-21swapper/300:40:003
2143746992219,1cyclictest0-21swapper/300:30:223
2143746992118,1cyclictest0-21swapper/323:37:413
2143746992118,1cyclictest0-21swapper/323:10:233
2143746992118,1cyclictest0-21swapper/320:20:143
2143746992117,1cyclictest0-21swapper/322:00:013
214374699202,13cyclictest2464757-21sleep22:55:003
2143746992017,1cyclictest0-21swapper/323:55:243
2143746992017,1cyclictest0-21swapper/322:36:323
2143746992017,1cyclictest0-21swapper/321:15:263
2143746992017,1cyclictest0-21swapper/321:00:133
214374699201,14cyclictest2526219-21taskset23:31:013
214374699192,13cyclictest2177742-21taskset19:33:273
2143746991916,1cyclictest0-21swapper/322:15:283
2143746991916,1cyclictest0-21swapper/322:05:133
2143746991916,1cyclictest0-21swapper/321:30:153
2143746991916,1cyclictest0-21swapper/321:30:143
2143746991916,1cyclictest0-21swapper/319:15:193
214374699191,14cyclictest2261406-21taskset20:40:013
214374699191,13cyclictest2614167-21taskset00:29:553
214374699191,13cyclictest2449395-21chrt22:45:143
214374699191,13cyclictest2274181-21chrt20:50:123
214374699188,7cyclictest21497042sleep319:10:543
214374699182,12cyclictest2567415-21chrt00:00:123
214374699182,12cyclictest2557479-21taskset23:50:303
2143746991815,1cyclictest0-21swapper/323:00:143
2143746991815,1cyclictest0-21swapper/320:00:203
2143746991813,2cyclictest25044482sleep323:20:113
214374699181,14cyclictest2345747-21taskset21:37:153
214374699181,13cyclictest2596269-21taskset00:15:243
214374699181,13cyclictest2589305-21taskset00:11:143
214374699181,13cyclictest2512323-21taskset23:25:133
214374699181,13cyclictest2471196-21taskset22:56:133
214374699181,13cyclictest2444430-21taskset22:40:183
214374699181,13cyclictest2415942-21taskset22:20:463
214374699181,13cyclictest2328831-21taskset21:25:243
214374699181,13cyclictest2306516-21taskset21:12:413
214374699181,13cyclictest2286710-21sleep21:00:003
214374699181,13cyclictest2254711-21taskset20:34:163
214374699181,13cyclictest2248209-21taskset20:28:083
214374699181,13cyclictest2229392-21taskset20:15:043
214374699181,13cyclictest2199686-21taskset19:50:193
214374699181,13cyclictest2196979-21taskset19:48:543
214374699181,13cyclictest2178127-21taskset19:35:073
214374699181,13cyclictest2171241-21taskset19:26:253
214374699177,6cyclictest24256812sleep322:30:133
2143746991714,1cyclictest0-21swapper/322:25:273
2143746991714,1cyclictest0-21swapper/322:00:043
214374699171,13cyclictest2503234-21taskset23:17:433
214374699171,13cyclictest2399610-21taskset22:10:233
214374699171,13cyclictest2368715-21taskset21:50:343
214374699171,13cyclictest2190564-21taskset19:43:503
214374699171,13cyclictest2158904-21taskset19:20:083
214374699171,12cyclictest2487245-21taskset23:07:033
214374699171,12cyclictest2299121-21taskset21:05:363
214374699171,12cyclictest2223016-21chrt20:10:123
2143746991710,4cyclictest25359392sleep323:40:123
24096442160,8sleep22409724-21munin-run22:20:002
2143746991613,1cyclictest0-21swapper/300:20:183
214374699161,12cyclictest2581522-21taskset00:06:383
214374699161,12cyclictest2550336-21taskset23:47:183
214374699161,12cyclictest2354939-21taskset21:45:133
214374699161,12cyclictest2354678-21turbostat21:45:003
214374699161,12cyclictest2321483-21taskset21:20:353
214374699161,12cyclictest2273018-21taskset20:45:243
214374699161,12cyclictest2260892-21taskset20:36:583
214374699161,12cyclictest2222183-21taskset20:05:263
214374699161,12cyclictest2209724-21taskset19:57:203
21807612141,8sleep22182603-21kthreadcore19:35:192
21435382140,2sleep30-21swapper/319:09:183
25818012131,4sleep12581819-21ssh00:07:211
24173572131,5sleep22417363-21ssh22:24:432
23735952131,8sleep22375311-21grep21:55:192
23470202131,9sleep22347027-21ssh21:40:032
24888372121,8sleep02488951-21/usr/sbin/munin23:10:140
24354052121,8sleep02437009-21kthreadcore22:35:190
24114652120,9sleep02412998-21cut22:20:190
23155982120,9sleep02315706-21expr21:20:140
21500232121,7sleep02150244-21date19:15:010
21460432120,9sleep22147794-21cut19:10:182
25585002113,2sleep1171rcu_preempt23:53:181
25512952110,8sleep12551482-21latency_hist23:50:001
25030302117,2sleep02479269-21kworker/u16:2+events_power_efficient23:17:050
22933712110,3sleep2222-21plymouthd21:05:112
22755502110,8sleep02276989-21cat20:50:190
21777602111,3sleep1222-21plymouthd19:33:421
21375732111,5sleep2222-21plymouthd19:05:122
26283302100,1sleep00-21swapper/000:35:340
26283302100,1sleep00-21swapper/000:35:340
26071712100,7sleep12607850-21irqrtprio00:25:171
25983472100,2sleep2222-21plymouthd00:19:362
25649782100,8sleep12565089-21find23:55:261
25515992100,7sleep02299479-21diskmemload23:50:080
25275602100,3sleep2222-21plymouthd23:34:462
25260922100,1sleep00-21swapper/023:30:430
24965242100,7sleep12496231-21apt-get23:15:051
24886412101,5sleep12488675-21apt-get23:10:111
24560002100,3sleep22456008-21ssh22:47:352
24557852100,3sleep12455791-21ssh22:47:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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