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2026-09-15 - 00:47
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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 Mon Sep 14, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28872920,2sleep5419599cyclictest09:14:415
93142510,0sleep40-21swapper/409:44:274
51012510,0sleep70-21swapper/710:23:237
26482500,0sleep00-21swapper/009:24:290
310702490,0sleep00-21swapper/010:34:450
149872490,0sleep20-21swapper/212:33:402
82862470,1sleep58265-21cp10:41:075
38612470,0sleep10-21swapper/110:21:161
233002470,0sleep60-21swapper/610:44:046
67852460,0sleep60-21swapper/611:36:026
268602460,1sleep773-21ksoftirqd/710:57:597
299972450,1sleep6631rcuc/612:28:406
268842450,0sleep50-21swapper/510:18:485
239722450,0sleep60-21swapper/609:59:036
18172450,0sleep40-21swapper/411:29:514
154192450,2sleep7420699cyclictest10:37:407
144142450,0sleep00-21swapper/012:21:450
51432440,0sleep70-21swapper/710:25:157
229732440,0sleep50-21swapper/509:33:315
229732440,0sleep50-21swapper/509:33:315
305582430,1sleep530559-21grepconf.sh11:55:075
304632430,1sleep557-21ksoftirqd/511:33:375
28732430,0sleep10-21swapper/110:07:311
24052430,0sleep70-21swapper/710:40:457
197742430,0sleep00-21swapper/011:13:130
172652430,0sleep50-21swapper/509:21:215
95272420,0sleep00-21swapper/012:11:360
42892420,0sleep40-21swapper/412:25:014
380724230,8sleep00-21swapper/007:02:000
369224231,8sleep20-21swapper/207:00:262
322022420,0sleep10-21swapper/111:49:261
249672420,0sleep50-21swapper/509:37:315
149824230,8sleep70-21swapper/706:59:437
391024129,8sleep50-21swapper/507:03:265
374124129,9sleep30-21swapper/307:01:073
26432410,0sleep30-21swapper/309:44:023
254602410,2sleep6420299cyclictest09:35:326
250592410,0sleep10-21swapper/111:33:171
81152400,0sleep30-21swapper/311:10:283
80722400,0sleep10-21swapper/110:09:471
68522400,0sleep20-21swapper/211:16:202
49612400,0sleep00-21swapper/012:27:060
24872400,0sleep60-21swapper/611:10:076
178482400,1sleep449-21ksoftirqd/411:34:484
174052400,0sleep20-21swapper/209:07:332
143692400,0sleep40-21swapper/411:12:534
8122390,0sleep70-21swapper/709:59:367
46532390,0sleep60-21swapper/609:20:346
393823928,8sleep60-21swapper/607:03:516
391823928,8sleep40-21swapper/407:03:334
376223928,8sleep10-21swapper/107:01:211
272412390,2sleep3418699cyclictest10:32:323
270072390,0sleep6641ktimersoftd/609:47:256
22532390,0sleep10-21swapper/112:30:511
153132390,0sleep70-21swapper/712:15:517
76452370,1sleep557-21ksoftirqd/511:28:165
300732370,2sleep3418699cyclictest12:24:443
236852360,0sleep423656-21sshd11:03:404
145952350,0sleep40-21swapper/410:37:374
4178992015,3cyclictest33-21ksoftirqd/212:17:002
416999200,19cyclictest19359-21kworker/0:410:57:320
4178991914,3cyclictest33-21ksoftirqd/212:25:522
4178991913,4cyclictest33-21ksoftirqd/211:44:342
4169991914,1cyclictest9-21ksoftirqd/011:16:420
4178991815,3cyclictest33-21ksoftirqd/210:56:472
4178991814,3cyclictest33-21ksoftirqd/211:46:362
4169991816,1cyclictest9-21ksoftirqd/010:52:200
125192180,0sleep30-21swapper/309:19:113
4178991715,1cyclictest33-21ksoftirqd/212:10:212
4178991715,1cyclictest33-21ksoftirqd/211:54:462
4178991715,1cyclictest33-21ksoftirqd/210:24:442
4178991715,1cyclictest33-21ksoftirqd/210:08:092
4178991715,1cyclictest33-21ksoftirqd/209:36:332
4178991715,1cyclictest33-21ksoftirqd/209:18:522
4178991715,1cyclictest33-21ksoftirqd/209:14:072
4178991714,3cyclictest33-21ksoftirqd/211:25:562
4178991713,3cyclictest33-21ksoftirqd/211:09:532
4178991713,3cyclictest33-21ksoftirqd/209:59:392
4178991711,1cyclictest33-21ksoftirqd/209:44:462
417899170,10cyclictest3414-21kworker/2:112:01:392
4169991713,2cyclictest9-21ksoftirqd/011:24:320
302632170,0sleep4481ktimersoftd/409:14:244
4852160,0sleep6631rcuc/612:22:556
4178991615,1cyclictest33-21ksoftirqd/211:30:392
4178991615,1cyclictest33-21ksoftirqd/210:14:372
4178991615,1cyclictest33-21ksoftirqd/209:25:062
4178991614,1cyclictest33-21ksoftirqd/212:04:552
4178991614,1cyclictest33-21ksoftirqd/210:49:402
4178991614,1cyclictest33-21ksoftirqd/210:40:272
4178991614,1cyclictest33-21ksoftirqd/210:34:132
4178991614,1cyclictest33-21ksoftirqd/210:20:112
4178991614,1cyclictest33-21ksoftirqd/210:10:132
4178991614,1cyclictest33-21ksoftirqd/209:30:392
4178991614,1cyclictest33-21ksoftirqd/209:30:392
4178991614,1cyclictest33-21ksoftirqd/209:19:482
4178991613,3cyclictest33-21ksoftirqd/209:58:412
417899161,3cyclictest33-21ksoftirqd/212:23:022
417899161,2cyclictest33-21ksoftirqd/210:59:442
417899161,1cyclictest131rcu_sched10:47:542
417899160,15cyclictest25778-21kworker/2:510:35:342
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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