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2026-06-24 - 14:22
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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 rack5slot0.osadl.org (updated Wed Jun 24, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311821590,0sleep03102-21sshd09:59:310
1570121180,3sleep31061199cyclictest10:18:343
761521120,3sleep21061099cyclictest10:25:062
10190210032,40sleep10-21swapper/107:08:011
307132940,1sleep00-21swapper/012:12:120
13872880,1sleep02024-21nfsd10:31:340
1010728833,51sleep30-21swapper/307:07:103
285202870,2sleep228522-21df_abs09:00:102
89982850,2sleep32023-21nfsd09:42:073
52192850,0sleep00-21swapper/010:35:540
20382850,3sleep01060899cyclictest10:43:000
3312810,2sleep20-21swapper/209:13:242
108112810,2sleep10-21swapper/110:36:341
177752800,2sleep10-21swapper/110:29:541
86912790,2sleep10-21swapper/109:42:051
83692790,3sleep10-21swapper/109:24:451
77992790,3sleep00-21swapper/009:28:050
21282790,1sleep00-21swapper/010:10:060
36242780,3sleep13625-21bash11:35:451
196082780,1sleep30-21swapper/312:34:073
228202750,0sleep00-21swapper/010:52:400
199232750,2sleep30-21swapper/311:10:483
199232750,2sleep30-21swapper/311:10:483
17562750,2sleep21061099cyclictest12:01:242
109412750,1sleep30-21swapper/311:10:003
109412750,1sleep30-21swapper/311:09:593
287392740,0sleep028736-21sshd12:15:560
163112740,1sleep10-21swapper/112:03:111
263242730,3sleep21061099cyclictest12:23:122
167192730,3sleep30-21swapper/309:15:103
298722710,1sleep20-21swapper/209:23:342
299982700,2sleep10-21swapper/112:23:431
106542700,2sleep30-21swapper/309:28:243
153312690,1sleep00-21swapper/011:25:350
165092680,3sleep01060899cyclictest11:55:410
34782670,1sleep10-21swapper/110:54:071
271102660,1sleep21061099cyclictest10:19:482
128742640,1sleep10-21swapper/110:11:061
1021125932,15sleep20-21swapper/207:08:172
1025925832,14sleep00-21swapper/007:08:510
141722340,32sleep3144650irq/27-eth009:21:523
298392280,26sleep1144650irq/27-eth009:37:291
258352280,2sleep10-21swapper/111:52:451
1060899280,27cyclictest28536-21sshd09:16:180
86622270,2sleep20-21swapper/211:05:502
86622270,2sleep20-21swapper/211:05:502
30392270,3sleep20-21swapper/211:12:392
30392270,3sleep20-21swapper/211:12:382
224452270,0sleep03-21ksoftirqd/009:47:050
223252270,2sleep222327-21id10:01:422
144032270,2sleep10-21swapper/110:48:211
140562270,2sleep214053-21sshd12:25:442
4992250,3sleep30-21swapper/309:13:253
21542250,22sleep1144650irq/27-eth011:57:551
25802240,2sleep30-21swapper/310:57:373
253502241,21sleep1144650irq/27-eth009:47:271
234222240,2sleep323420-21sshd12:15:193
168332242,20sleep2144650irq/27-eth011:37:242
90742230,0sleep32132-21sshd10:43:513
90522230,21sleep3144650irq/27-eth011:50:443
164252230,2sleep20-21swapper/210:51:592
309892220,2sleep130979-21sshd09:30:261
273702220,2sleep10-21swapper/110:34:471
212122220,2sleep10-21swapper/110:41:151
17332220,2sleep30-21swapper/312:20:163
10610992218,2cyclictest0-21swapper/209:57:012
1061099221,20cyclictest0-21swapper/212:38:292
64642210,2sleep10-21swapper/111:17:021
287892210,19sleep228950irq/26-ahci[00009:37:232
1061199212,1cyclictest0-21swapper/310:25:163
39272200,2sleep13926-21bash12:28:281
10611992013,6cyclictest0-21swapper/309:57:023
1061199200,5cyclictest6024-21sshd10:06:583
1061099208,4cyclictest23275-21sshd09:43:402
1061099203,6cyclictest144650irq/27-eth007:58:272
1061099200,3cyclictest15832-21sshd09:18:332
1060999200,14cyclictest0-21swapper/110:24:081
199312190,16sleep3144650irq/27-eth012:07:233
189102190,2sleep318909-21turbostat08:40:003
1061199198,4cyclictest10221-21id12:25:193
1061199192,0cyclictest0-21swapper/312:10:343
1061199190,15cyclictest2356-21sshd10:31:403
1061199190,10cyclictest0-21swapper/310:48:233
1061099196,10cyclictest0-21swapper/212:30:012
10609991914,3cyclictest0-21swapper/111:31:381
306872180,5sleep20-21swapper/209:27:032
236052180,2sleep20-21swapper/211:26:372
129042180,15sleep30-21swapper/311:47:433
1061199187,3cyclictest0-21swapper/311:02:043
1061199180,3cyclictest0-21swapper/311:43:073
1061199180,12cyclictest30157-21sshd11:15:583
1061099188,3cyclictest0-21swapper/208:34:512
1061099185,1cyclictest16312-21sshd11:21:412
1061099185,10cyclictest153250irq/28-eth1-rx-10:40:052
1061099184,7cyclictest0-21swapper/207:15:072
1061099183,7cyclictest0-21swapper/207:49:422
1061099183,14cyclictest2081-21sshd10:31:382
1061099183,10cyclictest6451-21sshd09:45:172
1061099182,11cyclictest0-21swapper/210:10:492
1061099181,6cyclictest144650irq/27-eth011:59:552
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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