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2026-03-16 - 06:53
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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 Mar 16, 2026 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1746921000,0sleep20-21swapper/223:01:462
32752690,1sleep62578399cyclictest23:41:476
71422680,1sleep37141-21grepconf.sh23:58:343
319712550,1sleep131973-21sshd22:38:221
319712550,1sleep131973-21sshd22:38:221
265542530,0sleep20-21swapper/222:34:232
181802510,0sleep20-21swapper/222:09:482
2545724925,8sleep70-21swapper/719:04:237
326772480,1sleep632676-21systemd-cgroups23:15:366
2557924826,8sleep60-21swapper/619:06:076
23352480,0sleep50-21swapper/523:15:435
301212470,0sleep10-21swapper/123:19:071
2536224725,8sleep10-21swapper/119:03:051
78602460,0sleep60-21swapper/622:38:516
78602460,0sleep60-21swapper/622:38:516
185772460,0sleep70-21swapper/721:08:107
258792450,0sleep00-21swapper/022:49:110
130802450,0sleep70-21swapper/700:28:337
46122440,0sleep20-21swapper/221:26:232
34012440,0sleep50-21swapper/521:18:495
277712440,0sleep70-21swapper/721:51:517
133142440,0sleep60-21swapper/621:39:496
76322430,2sleep12576699cyclictest21:45:041
54192430,1sleep45415-21sshd00:20:454
22932430,0sleep32286-21sshd23:21:173
173902430,0sleep717350-21sshd22:46:537
24222420,0sleep00-21swapper/021:29:570
175342420,8sleep687950irq/25-em1-rx-023:31:306
293632410,0sleep50-21swapper/523:24:405
238202410,0sleep00-21swapper/021:49:440
164832410,0sleep6631rcuc/621:49:186
68122400,0sleep40-21swapper/422:20:154
51752400,0sleep00-21swapper/023:15:540
313222400,0sleep10-21swapper/122:47:361
280052400,1sleep028004-21systemd-cgroups23:24:350
2552924029,8sleep20-21swapper/219:05:232
2540124028,8sleep00-21swapper/019:03:360
124072400,1sleep712409-21id21:21:157
114782400,0sleep20-21swapper/221:48:582
103722400,0sleep20-21swapper/223:16:122
2559823928,8sleep30-21swapper/319:06:203
2539723927,9sleep50-21swapper/519:03:335
2315823927,9sleep40-21swapper/419:01:564
231372390,0sleep70-21swapper/721:38:297
9712380,0sleep70-21swapper/721:27:567
26962380,2sleep52577899cyclictest21:09:205
203172380,0sleep40-21swapper/421:36:344
105182380,2sleep588050irq/26-em1-tx-000:32:085
267432370,0sleep20-21swapper/221:57:152
230192340,1sleep42577099cyclictest22:11:584
326062240,1sleep232605-21grepconf.sh21:31:442
2576799238,3cyclictest33-21ksoftirqd/200:34:052
296792200,0sleep40-21swapper/400:09:084
2578399207,1cyclictest65-21ksoftirqd/622:30:516
25783992018,1cyclictest492-21systemd-journal23:17:016
25783992016,3cyclictest65-21ksoftirqd/622:19:006
25783992016,3cyclictest492-21systemd-journal00:01:216
25767992018,1cyclictest33-21ksoftirqd/200:25:292
2576799200,3cyclictest33-21ksoftirqd/223:58:272
7782190,1sleep7492-21systemd-journal23:34:117
25783991914,4cyclictest65-21ksoftirqd/621:34:406
25778991917,1cyclictest57-21ksoftirqd/521:48:475
25767991917,1cyclictest33-21ksoftirqd/223:18:252
25767991916,3cyclictest33-21ksoftirqd/221:53:492
25767991916,3cyclictest33-21ksoftirqd/221:53:492
25767991914,1cyclictest33-21ksoftirqd/200:07:292
2576799190,3cyclictest33-21ksoftirqd/222:27:392
199322190,0sleep20-21swapper/221:43:532
2579099182,15cyclictest0-21swapper/721:45:097
25790991815,2cyclictest73-21ksoftirqd/721:22:387
2578399187,1cyclictest65-21ksoftirqd/621:19:446
25783991816,1cyclictest65-21ksoftirqd/622:04:146
25783991816,1cyclictest65-21ksoftirqd/621:59:126
25783991816,1cyclictest65-21ksoftirqd/621:22:176
25783991816,1cyclictest65-21ksoftirqd/621:10:166
25783991816,1cyclictest65-21ksoftirqd/600:36:336
25783991816,1cyclictest65-21ksoftirqd/600:29:036
25783991816,1cyclictest65-21ksoftirqd/600:02:126
25783991815,2cyclictest65-21ksoftirqd/622:09:436
25783991815,2cyclictest492-21systemd-journal23:45:586
25783991815,2cyclictest492-21systemd-journal23:45:586
25783991815,1cyclictest65-21ksoftirqd/621:13:046
25783991814,3cyclictest65-21ksoftirqd/600:20:376
25778991815,2cyclictest57-21ksoftirqd/500:00:205
25778991814,3cyclictest57-21ksoftirqd/521:38:055
25778991813,4cyclictest57-21ksoftirqd/521:54:065
25778991813,4cyclictest57-21ksoftirqd/521:54:065
25770991814,4cyclictest49-21ksoftirqd/423:48:534
25770991814,4cyclictest49-21ksoftirqd/423:48:534
2576799184,3cyclictest33-21ksoftirqd/221:16:002
25767991815,2cyclictest33-21ksoftirqd/223:55:342
25767991814,3cyclictest33-21ksoftirqd/222:38:142
25767991814,3cyclictest33-21ksoftirqd/222:38:142
25767991814,1cyclictest33-21ksoftirqd/221:18:322
25767991812,4cyclictest33-21ksoftirqd/221:10:442
2576799181,1cyclictest33-21ksoftirqd/223:27:322
2576799181,1cyclictest33-21ksoftirqd/200:19:042
2576799180,1cyclictest33-21ksoftirqd/222:43:232
2576799180,1cyclictest33-21ksoftirqd/222:43:232
2576799180,1cyclictest131rcu_sched23:38:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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