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2026-09-24 - 00:17
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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 Wed Sep 23, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80642560,0sleep50-21swapper/512:24:525
292962550,1sleep233-21ksoftirqd/210:22:422
108022550,0sleep00-21swapper/010:19:360
220602530,0sleep30-21swapper/309:43:193
300172520,0sleep530014-21systemd-cgroups10:34:155
294302520,0sleep30-21swapper/309:09:153
307472500,2sleep51323699cyclictest11:19:325
1278725025,8sleep50-21swapper/507:00:425
88642490,0sleep40-21swapper/409:48:164
296792490,0sleep60-21swapper/611:54:336
289362480,0sleep00-21swapper/009:30:020
187162480,2sleep11320499cyclictest12:21:431
28742460,1sleep72871-21sshd10:36:257
274482460,0sleep10-21swapper/112:08:381
248542460,0sleep20-21swapper/212:25:532
248502460,0sleep00-21swapper/010:24:240
106922460,1sleep310693-21grepconf.sh09:48:233
282432450,1sleep028242-21sshd09:37:550
43952440,1sleep11-21systemd11:19:521
237282440,0sleep50-21swapper/510:02:435
141832440,0sleep50-21swapper/509:54:265
289892430,0sleep60-21swapper/611:36:556
234732430,1sleep523468-21sshd11:54:165
84162420,0sleep70-21swapper/709:05:427
247322420,0sleep50-21swapper/510:37:435
178612420,0sleep70-21swapper/709:19:447
258892410,1sleep665-21ksoftirqd/610:43:376
166732410,0sleep20-21swapper/210:02:162
264602400,0sleep50-21swapper/512:22:115
207572400,0sleep50-21swapper/509:29:355
1277124027,9sleep70-21swapper/707:00:287
270322390,0sleep0111rcuc/010:53:560
1290023927,8sleep30-21swapper/307:02:083
1288223927,8sleep20-21swapper/207:01:592
1276823926,9sleep40-21swapper/407:00:254
1058423927,8sleep00-21swapper/006:59:250
1274323826,9sleep60-21swapper/607:00:036
111052380,0sleep20-21swapper/211:55:252
1057623827,8sleep10-21swapper/106:59:181
315702370,1sleep331567-21sshd09:26:213
78552330,0sleep70-21swapper/711:41:367
174832300,0sleep10-21swapper/111:57:481
110682280,0sleep40-21swapper/409:36:554
235682260,0sleep70-21swapper/710:55:317
220402210,1sleep222037-21sshd09:18:112
13251992014,3cyclictest73-21ksoftirqd/711:08:097
8892180,0sleep20-21swapper/211:23:372
13251991814,3cyclictest73-21ksoftirqd/709:13:287
1325199180,17cyclictest27120-21kworker/7:111:33:517
13212991815,1cyclictest33-21ksoftirqd/209:46:582
13212991814,3cyclictest33-21ksoftirqd/209:08:282
190772170,0sleep50-21swapper/510:22:055
13251991715,1cyclictest709-21systemd-logind12:10:107
13251991715,1cyclictest709-21systemd-logind12:10:107
1324499172,2cyclictest1-21systemd09:11:286
13231991715,1cyclictest49-21ksoftirqd/409:43:284
13212991715,1cyclictest33-21ksoftirqd/212:09:372
13212991715,1cyclictest33-21ksoftirqd/212:09:372
13212991715,1cyclictest33-21ksoftirqd/211:49:522
13212991715,1cyclictest33-21ksoftirqd/211:10:532
13212991715,1cyclictest33-21ksoftirqd/209:34:282
13212991715,1cyclictest33-21ksoftirqd/209:31:122
13212991714,3cyclictest33-21ksoftirqd/210:39:322
13212991713,1cyclictest33-21ksoftirqd/211:00:302
13212991713,1cyclictest33-21ksoftirqd/210:14:372
67542160,0sleep70-21swapper/712:01:077
281982160,0sleep00-21swapper/011:01:490
265382160,1sleep126540-21bash11:07:341
146222160,1sleep341-21ksoftirqd/312:27:223
1325199169,2cyclictest73-21ksoftirqd/711:28:377
13251991614,1cyclictest73-21ksoftirqd/712:17:027
13251991614,1cyclictest73-21ksoftirqd/709:59:097
13251991613,2cyclictest73-21ksoftirqd/709:43:017
13251991611,1cyclictest73-21ksoftirqd/711:23:517
13251991611,1cyclictest73-21ksoftirqd/710:26:467
13244991615,1cyclictest65-21ksoftirqd/611:45:106
13236991614,1cyclictest57-21ksoftirqd/509:28:555
13236991613,2cyclictest57-21ksoftirqd/511:32:395
13231991615,1cyclictest49-21ksoftirqd/411:34:374
13231991614,1cyclictest49-21ksoftirqd/410:57:444
13231991614,1cyclictest49-21ksoftirqd/410:14:384
13231991614,1cyclictest49-21ksoftirqd/410:05:474
13231991614,1cyclictest49-21ksoftirqd/409:05:254
13212991615,1cyclictest33-21ksoftirqd/210:07:172
13212991614,1cyclictest33-21ksoftirqd/212:07:392
13212991614,1cyclictest33-21ksoftirqd/211:27:302
13212991614,1cyclictest33-21ksoftirqd/211:04:342
13212991614,1cyclictest33-21ksoftirqd/210:57:212
13212991614,1cyclictest33-21ksoftirqd/210:31:112
13212991614,1cyclictest33-21ksoftirqd/210:25:262
13212991614,1cyclictest33-21ksoftirqd/209:49:192
13212991614,1cyclictest33-21ksoftirqd/209:43:062
13212991614,1cyclictest33-21ksoftirqd/209:24:382
13212991613,3cyclictest33-21ksoftirqd/211:29:282
13212991613,3cyclictest33-21ksoftirqd/210:47:312
13212991613,2cyclictest33-21ksoftirqd/211:14:592
13212991613,2cyclictest33-21ksoftirqd/209:54:332
13212991611,2cyclictest33-21ksoftirqd/210:34:542
13212991610,4cyclictest33-21ksoftirqd/212:33:522
13212991610,4cyclictest33-21ksoftirqd/209:11:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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