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2026-09-07 - 11:03
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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 07, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8787991280,127cyclictest2022-21kworker/6:321:35:376
104572800,2sleep2875399cyclictest23:36:062
275312780,0sleep70-21swapper/722:20:437
88352740,0sleep4481ktimersoftd/423:04:454
83462710,0sleep30-21swapper/300:21:083
8794995915,27cyclictest26056-21sshd21:35:377
34462590,0sleep60-21swapper/623:49:326
34462590,0sleep60-21swapper/623:49:326
307842560,0sleep4721-21dbus-daemon23:27:354
8740995414,0cyclictest0-21swapper/021:35:380
75732530,0sleep40-21swapper/422:52:514
95252490,0sleep40-21swapper/400:33:034
76542490,1sleep57645-21sshd21:22:505
68572490,0sleep20-21swapper/223:22:132
59802480,0sleep10-21swapper/121:10:531
120742480,0sleep50-21swapper/522:57:015
120742480,0sleep50-21swapper/522:57:015
231372470,0sleep50-21swapper/521:17:535
8764994545,0cyclictest5318-21kworker/3:221:35:373
856624533,8sleep70-21swapper/719:04:247
187882450,0sleep318787-21sshd21:58:443
186782450,0sleep60-21swapper/621:23:316
79052440,0sleep00-21swapper/023:02:400
310432440,0sleep10-21swapper/122:40:311
300252440,0sleep7721-21dbus-daemon23:19:457
283312440,1sleep028269-21sshd23:17:380
106072440,0sleep40-21swapper/423:12:374
240562430,0sleep50-21swapper/521:43:245
182012430,0sleep60-21swapper/623:52:206
172152430,1sleep773-21ksoftirqd/722:08:257
850624230,8sleep50-21swapper/519:03:345
313592420,0sleep40-21swapper/422:56:124
313592420,0sleep40-21swapper/422:56:124
185502420,2sleep2875399cyclictest21:48:582
185502420,2sleep2875399cyclictest21:48:582
172112420,0sleep00-21swapper/021:21:250
88322410,0sleep50-21swapper/500:21:105
856124130,8sleep20-21swapper/219:04:192
828724129,9sleep40-21swapper/419:00:364
317962410,0sleep30-21swapper/322:34:483
844624029,8sleep30-21swapper/319:02:443
80342400,0sleep50-21swapper/522:09:515
857723927,8sleep00-21swapper/019:04:330
829323928,8sleep10-21swapper/119:00:411
264592390,0sleep60-21swapper/621:08:096
264592390,0sleep60-21swapper/621:08:096
126962390,0sleep3391rcuc/323:59:543
8753993837,1cyclictest13550irq/24-ahci[00021:35:372
841323827,8sleep60-21swapper/619:02:156
64922380,0sleep30-21swapper/323:10:203
242962380,0sleep20-21swapper/223:46:472
242962380,0sleep20-21swapper/223:46:472
8780993714,22cyclictest0-21swapper/521:35:375
877299350,35cyclictest12526-21kworker/4:221:35:374
874699260,25cyclictest28784-21kworker/1:321:35:371
4902250,1sleep1494-21sshd00:28:351
111992250,1sleep7879499cyclictest23:59:507
239422230,1sleep3876499cyclictest23:25:103
8780992219,3cyclictest57-21ksoftirqd/521:57:095
8780992216,3cyclictest57-21ksoftirqd/500:11:385
18032220,0sleep40-21swapper/422:03:344
878099208,3cyclictest57-21ksoftirqd/522:25:555
8780992016,3cyclictest57-21ksoftirqd/523:51:425
8780992015,1cyclictest57-21ksoftirqd/500:03:415
8787991915,4cyclictest65-21ksoftirqd/622:14:296
8780991917,1cyclictest57-21ksoftirqd/523:57:345
8746991915,1cyclictest25-21ksoftirqd/123:58:431
8740991913,3cyclictest9-21ksoftirqd/000:10:110
874099190,1cyclictest131rcu_sched21:58:180
170762190,0sleep20-21swapper/222:25:582
878099186,12cyclictest57-21ksoftirqd/523:01:175
878099184,1cyclictest57-21ksoftirqd/500:26:095
8780991816,2cyclictest57-21ksoftirqd/521:33:135
8780991816,1cyclictest57-21ksoftirqd/523:10:515
8780991815,2cyclictest57-21ksoftirqd/500:05:355
8780991815,2cyclictest16552-21cp21:48:505
8780991815,2cyclictest16552-21cp21:48:505
8780991815,1cyclictest57-21ksoftirqd/523:24:525
8780991814,3cyclictest57-21ksoftirqd/522:50:545
8780991814,3cyclictest57-21ksoftirqd/500:16:535
8780991814,1cyclictest57-21ksoftirqd/523:45:105
8780991814,1cyclictest57-21ksoftirqd/523:45:105
8780991813,3cyclictest57-21ksoftirqd/521:11:375
8780991812,4cyclictest57-21ksoftirqd/500:33:435
8780991811,3cyclictest57-21ksoftirqd/522:23:285
299122180,0sleep70-21swapper/700:32:187
878099176,1cyclictest57-21ksoftirqd/523:40:085
8780991715,1cyclictest57-21ksoftirqd/523:35:385
8780991715,1cyclictest57-21ksoftirqd/523:31:145
8780991715,1cyclictest57-21ksoftirqd/522:10:205
8780991714,3cyclictest57-21ksoftirqd/522:41:585
8780991714,2cyclictest1595-21sshd22:17:135
8780991714,1cyclictest57-21ksoftirqd/523:14:565
8780991713,3cyclictest57-21ksoftirqd/523:25:025
8780991713,3cyclictest57-21ksoftirqd/522:35:085
8780991712,3cyclictest57-21ksoftirqd/521:25:085
8780991710,4cyclictest57-21ksoftirqd/522:45:195
8746991715,1cyclictest25-21ksoftirqd/121:46:471
8746991715,1cyclictest25-21ksoftirqd/121:46:471
8740991716,1cyclictest9-21ksoftirqd/023:48:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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