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2026-04-07 - 05:52
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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 Apr 07, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34942710,0sleep40-21swapper/421:36:244
234092600,0sleep40-21swapper/422:03:314
2956025846,9sleep70-21swapper/719:03:497
145292550,0sleep7721ktimersoftd/721:27:467
286112530,0sleep60-21swapper/623:34:396
147212520,0sleep00-21swapper/000:09:090
307402500,0sleep70-21swapper/723:12:307
27842490,0sleep10-21swapper/121:16:021
256682490,1sleep2763-21NetworkManager22:16:342
181362490,1sleep318137-21grep23:04:253
168252490,0sleep50-21swapper/521:18:395
168252490,0sleep50-21swapper/521:18:395
2969224837,8sleep50-21swapper/519:05:395
2946024825,8sleep00-21swapper/019:02:300
2940524826,8sleep30-21swapper/319:01:453
238772480,1sleep423879-21bash23:41:424
317172450,0sleep40-21swapper/422:00:194
29312450,1sleep02930-21sshd21:14:090
241082450,0sleep10-21swapper/121:20:591
241082450,0sleep10-21swapper/121:20:591
237062450,0sleep20-21swapper/222:29:322
164052450,0sleep70-21swapper/721:44:367
52082440,0sleep40-21swapper/421:10:374
2945324433,8sleep20-21swapper/219:02:242
276892440,0sleep10-21swapper/121:47:021
261052430,1sleep526103-21sshd22:33:195
111802430,0sleep60-21swapper/622:52:516
83652420,0sleep20-21swapper/200:16:162
61082420,0sleep30-21swapper/323:44:303
310002420,2sleep12992399cyclictest22:05:521
2944824230,9sleep60-21swapper/619:02:206
82992410,0sleep20-21swapper/222:43:262
2946124129,9sleep10-21swapper/119:02:311
252842410,1sleep125-21ksoftirqd/121:54:231
214632410,0sleep221449-21sshd00:05:512
44362400,0sleep00-21swapper/021:23:300
44362400,0sleep00-21swapper/021:23:300
2945524027,9sleep40-21swapper/419:02:264
272022400,0sleep30-21swapper/323:19:473
213492390,0sleep70-21swapper/721:13:207
213562380,0sleep30-21swapper/321:31:503
97172370,0sleep60-21swapper/600:14:286
233642370,1sleep723365-21grepconf.sh00:22:387
28342350,0sleep40-21swapper/423:33:094
230552340,2sleep52995899cyclictest21:26:245
22602340,0sleep52995899cyclictest23:31:185
288142300,0sleep50-21swapper/521:41:295
2993899249,1cyclictest41-21ksoftirqd/322:31:473
29938992312,1cyclictest41-21ksoftirqd/322:39:233
29938992211,1cyclictest41-21ksoftirqd/321:27:573
2993899219,1cyclictest41-21ksoftirqd/322:22:203
2993899216,3cyclictest41-21ksoftirqd/322:09:313
2993899213,15cyclictest19860-21kill22:49:423
93772200,2sleep58960-21sshd22:11:575
2993899206,2cyclictest41-21ksoftirqd/322:16:283
2993899205,1cyclictest41-21ksoftirqd/323:09:503
29938992017,1cyclictest41-21ksoftirqd/322:03:233
29938992013,4cyclictest41-21ksoftirqd/321:36:253
29923992018,1cyclictest25-21ksoftirqd/121:34:251
29923992014,4cyclictest25-21ksoftirqd/123:00:291
2993899196,1cyclictest41-21ksoftirqd/322:28:363
29938991918,1cyclictest41-21ksoftirqd/323:12:223
29938991916,1cyclictest41-21ksoftirqd/300:22:093
29938991915,3cyclictest41-21ksoftirqd/321:43:583
29923991917,1cyclictest25-21ksoftirqd/122:13:441
2993899184,2cyclictest41-21ksoftirqd/300:14:453
2993899183,1cyclictest41-21ksoftirqd/323:53:513
2993899183,1cyclictest41-21ksoftirqd/323:53:513
29938991816,1cyclictest41-21ksoftirqd/323:25:573
29938991816,1cyclictest41-21ksoftirqd/300:16:473
29938991815,2cyclictest41-21ksoftirqd/321:11:473
29938991815,1cyclictest41-21ksoftirqd/322:59:103
29938991814,1cyclictest41-21ksoftirqd/322:44:593
2993899181,3cyclictest492-21systemd-journal22:54:523
29923991817,1cyclictest25-21ksoftirqd/123:03:421
29923991816,1cyclictest25-21ksoftirqd/122:06:531
29923991815,3cyclictest25-21ksoftirqd/123:28:571
29923991815,2cyclictest25-21ksoftirqd/122:26:321
29923991813,2cyclictest25-21ksoftirqd/123:57:541
29923991812,3cyclictest25-21ksoftirqd/123:38:211
2992399180,17cyclictest3548-21kworker/1:023:53:491
2992399180,17cyclictest3548-21kworker/1:023:53:491
270862180,0sleep40-21swapper/422:27:504
217362180,6sleep10-21swapper/100:09:341
141942180,0sleep4471rcuc/400:25:554
29958991710,6cyclictest1-21systemd00:14:355
2993899175,2cyclictest41-21ksoftirqd/321:22:193
2993899175,2cyclictest41-21ksoftirqd/321:22:193
2993899174,3cyclictest41-21ksoftirqd/321:58:013
2993899173,1cyclictest41-21ksoftirqd/321:17:413
2993899173,1cyclictest41-21ksoftirqd/321:17:413
29938991716,1cyclictest41-21ksoftirqd/321:09:533
29938991715,1cyclictest492-21systemd-journal00:34:123
29938991715,1cyclictest41-21ksoftirqd/323:46:263
29938991715,1cyclictest41-21ksoftirqd/323:39:123
29938991715,1cyclictest41-21ksoftirqd/323:31:563
29938991715,1cyclictest41-21ksoftirqd/321:46:233
29938991715,1cyclictest41-21ksoftirqd/300:01:253
29938991714,3cyclictest41-21ksoftirqd/321:54:353
29938991714,1cyclictest41-21ksoftirqd/300:28:413
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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