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2026-05-09 - 17:48
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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 Sat May 09, 2026 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24152412280,2sleep00-21swapper/007:50:200
26028062270,6sleep02602810-21cut10:05:170
2356819992724,1cyclictest0-21swapper/312:30:163
2356819992522,1cyclictest0-21swapper/311:20:013
28202142240,1sleep20-21swapper/212:20:232
2356819992420,1cyclictest0-21swapper/310:00:243
2356819992320,1cyclictest0-21swapper/308:40:163
2356819992219,1cyclictest0-21swapper/312:05:013
2356819992219,1cyclictest0-21swapper/308:10:003
235681999221,15cyclictest2735130-21taskset11:30:003
2356819992119,1cyclictest0-21swapper/311:49:593
2356819992118,1cyclictest0-21swapper/310:45:243
2356819992118,1cyclictest0-21swapper/309:15:203
235681999211,15cyclictest2639963-21taskset10:29:233
235681999211,14cyclictest2545313-21taskset09:30:013
235681999202,14cyclictest2575950-21taskset09:47:173
2356819992017,1cyclictest0-21swapper/307:20:013
235681999201,14cyclictest2845861-21taskset12:40:013
235681999201,14cyclictest2488215-21chrt08:50:123
2356819992010,7cyclictest27268752sleep311:24:113
2356819991916,1cyclictest0-21swapper/311:40:033
2356819991916,1cyclictest0-21swapper/311:30:133
2356819991916,1cyclictest0-21swapper/311:00:023
2356819991916,1cyclictest0-21swapper/309:44:073
2356819991916,1cyclictest0-21swapper/309:20:183
2356819991916,1cyclictest0-21swapper/308:15:183
2356819991916,1cyclictest0-21swapper/308:00:013
235681999191,14cyclictest2645247-21taskset10:30:193
235681999191,14cyclictest2591753-21taskset09:57:193
235681999191,14cyclictest2583435-21taskset09:51:093
235681999191,14cyclictest2560107-21taskset09:37:233
235681999191,13cyclictest2521170-21chrt09:13:493
25234412180,10sleep02525043-21ps09:15:200
235681999188,7cyclictest28214282sleep312:23:023
2356819991816,1cyclictest0-21swapper/312:20:003
2356819991816,1cyclictest0-21swapper/307:35:003
2356819991815,1cyclictest0-21swapper/311:55:223
2356819991815,1cyclictest0-21swapper/310:40:163
2356819991815,1cyclictest0-21swapper/309:00:033
235681999181,14cyclictest2545567-21taskset09:30:093
235681999181,13cyclictest2702365-21taskset11:07:113
235681999181,13cyclictest2678473-21taskset10:51:353
235681999181,13cyclictest2655589-21taskset10:38:533
235681999181,13cyclictest2624787-21chrt10:20:133
235681999181,13cyclictest2624787-21chrt10:20:123
235681999181,13cyclictest2617227-21taskset10:15:153
235681999181,13cyclictest2474991-21turbostat08:40:003
235681999181,13cyclictest2468229-21chrt08:31:443
235681999181,13cyclictest2406517-21taskset07:45:183
235681999181,13cyclictest2357159-21taskset07:10:143
235681999181,12cyclictest2600886-21taskset10:05:013
2356819991714,1cyclictest0-21swapper/312:05:273
2356819991714,1cyclictest0-21swapper/308:55:153
235681999171,13cyclictest2829482-21taskset12:28:253
235681999171,13cyclictest2804006-21taskset12:10:223
235681999171,13cyclictest2481710-21taskset08:45:023
235681999171,12cyclictest2773437-21taskset11:51:413
235681999171,12cyclictest2679979-21taskset10:55:043
235681999171,12cyclictest24552802sleep308:20:433
235681999171,12cyclictest2383697-21taskset07:25:223
235681999170,13cyclictest2703717-21taskset11:10:073
235681999170,13cyclictest2397879-21taskset07:40:043
27644152161,5sleep02764457-21ntpq11:45:210
235681999165,8cyclictest2608780-21taskset10:10:013
2356819991613,1cyclictest0-21swapper/307:35:163
235681999161,12cyclictest2749644-21taskset11:36:463
235681999161,12cyclictest2513365-21taskset09:06:073
235681999161,12cyclictest2462016-21taskset08:29:513
235681999161,12cyclictest2429471-21taskset08:01:043
235681999161,12cyclictest2416664-21taskset07:51:383
235681999161,12cyclictest2365598-21taskset07:15:073
235681999161,11cyclictest2441810-21chrt08:10:233
23565122150,2sleep30-21swapper/307:08:193
129998150,1rtkit-daemon0-21swapper/112:05:131
27881342142,3sleep12788177-21ntpq12:00:221
24426702140,10sleep22442716-21http08:15:002
28434802130,2sleep00-21swapper/012:35:220
27497362130,6sleep12749738-21ssh11:37:001
25713832130,10sleep02572994-21cut09:45:190
25007672137,3sleep12501013-21latency_hist09:00:011
129998130,9rtkit-daemon2701153-21ld11:05:221
28382562120,9sleep12838264-21ssh12:35:061
26269362121,8sleep02628673-21grep10:20:190
26269362121,8sleep02628673-21grep10:20:180
26220652120,9sleep02622121-21ntpq10:15:200
25154462120,9sleep02516658-21grep09:10:180
24429682120,8sleep172-21kcompactd008:15:061
129998120,3rtkit-daemon222-21plymouthd07:32:290
129998120,3rtkit-daemon171rcu_preempt11:25:000
129998120,2rtkit-daemon171rcu_preempt11:51:402
28197302113,5sleep02819829-21ld12:20:170
27192292111,7sleep1222-21plymouthd11:20:001
27037662111,6sleep12678066-21kworker/u16:0+rpciod11:10:111
26658112110,8sleep12667468-21cut10:45:171
25826492111,7sleep02582685-21ntpq09:50:240
25200692110,7sleep12520075-21ssh09:10:471
25010912111,6sleep1222-21plymouthd09:00:131
24554332116,2sleep10-21swapper/108:22:411
24295412111,7sleep1222-21plymouthd08:02:011
23570102110,7sleep22357158-21df07:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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