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2026-01-06 - 18:23
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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
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Tue Jan 06, 2026 12:43:25)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
209132680,0sleep10-21swapper/109:37:451
1248225946,9sleep40-21swapper/407:08:394
226892580,0sleep10-21swapper/112:37:251
19462550,0sleep30-21swapper/309:35:393
306652540,2sleep71267999cyclictest10:05:467
271822520,0sleep70-21swapper/710:19:087
72832510,2sleep51266499cyclictest09:49:435
14332510,0sleep00-21swapper/009:25:270
14332510,0sleep00-21swapper/009:25:270
1230925039,8sleep20-21swapper/207:06:212
1219825026,9sleep50-21swapper/507:04:485
203252490,0sleep70-21swapper/709:47:527
12702490,0sleep70-21swapper/711:03:457
1220524938,8sleep30-21swapper/307:04:543
1223824836,9sleep70-21swapper/707:05:227
87842470,0sleep60-21swapper/610:34:056
84342450,0sleep20-21swapper/209:12:402
4142450,0sleep00-21swapper/009:52:340
293022450,0sleep40-21swapper/411:20:004
15702450,0sleep20-21swapper/209:59:252
313362440,0sleep20-21swapper/211:40:322
304182440,1sleep330416-21bash12:00:513
308542430,0sleep40-21swapper/411:44:104
228032430,0sleep00-21swapper/011:02:340
164522420,0sleep50-21swapper/509:33:575
75552410,0sleep30-21swapper/310:27:053
75552410,0sleep30-21swapper/310:27:053
266842410,0sleep00-21swapper/010:29:100
266842410,0sleep00-21swapper/010:29:100
221892410,0sleep1241ktimersoftd/110:01:321
159192410,1sleep015887-21sshd11:11:550
60862400,1sleep341-21ksoftirqd/312:35:353
238162400,0sleep10-21swapper/109:14:231
227232400,0sleep40-21swapper/411:49:554
226322400,0sleep30-21swapper/310:15:033
1249724029,8sleep10-21swapper/107:08:521
1000224029,8sleep60-21swapper/607:04:176
302522390,0sleep40-21swapper/410:36:114
1228723927,8sleep00-21swapper/007:06:030
247022380,0sleep40-21swapper/411:02:464
15332370,0sleep20-21swapper/212:28:292
6082360,0sleep60-21swapper/612:38:346
278972350,2sleep41266399cyclictest10:53:014
12652992116,1cyclictest492-21systemd-journal10:00:220
127032190,2sleep51266499cyclictest12:12:385
12652991915,3cyclictest9-21ksoftirqd/012:23:530
38912180,0sleep2321ktimersoftd/212:01:302
12652991812,5cyclictest9-21ksoftirqd/011:59:190
308572170,0sleep00-21swapper/011:16:510
260202170,2sleep21266199cyclictest09:38:182
12652991714,1cyclictest9-21ksoftirqd/010:54:580
30482160,0sleep10-21swapper/110:50:171
1266499165,1cyclictest13542-21sshd12:02:335
12652991614,2cyclictest19244-21kworker/0:108:29:160
12652991614,1cyclictest9-21ksoftirqd/009:40:360
12652991613,2cyclictest31874-21kworker/0:112:06:550
12652991613,1cyclictest23405-21kworker/0:111:26:020
12652991612,3cyclictest9-21ksoftirqd/010:16:400
12652991611,3cyclictest12971-21kworker/0:210:10:580
39902150,0sleep6631rcuc/611:58:146
240642150,1sleep524063-21systemd-cgroups11:19:295
1266299150,15cyclictest21881-21kworker/3:210:54:203
12652991513,2cyclictest19244-21kworker/0:107:15:080
12652991513,1cyclictest9-21ksoftirqd/011:41:520
12652991513,1cyclictest9-21ksoftirqd/010:22:120
12652991513,1cyclictest9-21ksoftirqd/009:22:080
12652991512,3cyclictest9-21ksoftirqd/011:44:260
12652991512,2cyclictest17775-21kworker/0:211:21:440
1265299150,1cyclictest131rcu_sched11:05:260
114802150,0sleep4492-21systemd-journal11:11:274
106182150,2sleep41266399cyclictest09:16:184
324982140,0sleep10-21swapper/111:27:091
12679991413,1cyclictest73-21ksoftirqd/711:05:277
1266499143,5cyclictest691-21systemd-logind10:15:525
12664991411,2cyclictest20631-21systemctl10:21:405
12661991412,1cyclictest33-21ksoftirqd/211:27:072
12661991412,1cyclictest33-21ksoftirqd/210:28:132
12661991412,1cyclictest33-21ksoftirqd/210:28:132
12661991412,0cyclictest13550irq/24-ahci[00010:10:282
12652991413,1cyclictest9-21ksoftirqd/011:57:140
12652991413,1cyclictest9-21ksoftirqd/009:15:180
12652991413,1cyclictest9-21ksoftirqd/009:13:410
12652991413,1cyclictest111rcuc/010:04:460
12652991412,2cyclictest486-21kworker/u16:409:54:400
12652991412,2cyclictest23714-21kworker/0:510:33:520
12652991412,2cyclictest10331-21kworker/u16:010:35:080
12652991412,1cyclictest9-21ksoftirqd/012:15:520
12652991412,1cyclictest9-21ksoftirqd/012:12:580
12652991412,1cyclictest9-21ksoftirqd/010:53:340
12652991412,1cyclictest9-21ksoftirqd/010:45:460
12652991412,1cyclictest9-21ksoftirqd/010:39:230
12652991411,1cyclictest11306-21kworker/0:212:24:330
12652991410,4cyclictest9-21ksoftirqd/009:34:200
61982130,1sleep1492-21systemd-journal10:40:251
256192130,0sleep30-21swapper/311:33:203
254692130,0sleep20-21swapper/211:33:192
1267999133,4cyclictest686-21dbus-daemon11:20:467
12679991312,1cyclictest73-21ksoftirqd/710:45:287
12679991312,1cyclictest73-21ksoftirqd/710:31:267
12679991311,1cyclictest73-21ksoftirqd/711:49:587
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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