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2026-08-23 - 19:36
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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 Sun Aug 23, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1234621040,0sleep1231rcuc/110:34:461
9722970,0sleep70-21swapper/710:17:557
28622900,0sleep00-21swapper/012:00:310
249742760,0sleep70-21swapper/711:07:447
311212720,2sleep42423699cyclictest12:23:424
273792640,0sleep70-21swapper/710:58:557
316042540,0sleep50-21swapper/510:23:135
315762530,2sleep02420999cyclictest11:56:390
315762530,2sleep02420999cyclictest11:56:390
268062510,0sleep20-21swapper/210:26:312
88552500,0sleep40-21swapper/411:32:004
59452500,1sleep15927-21iostat_ios11:15:391
284352500,0sleep10-21swapper/110:24:531
231772500,0sleep50-21swapper/512:10:385
183232500,2sleep02420999cyclictest11:07:210
2388924836,8sleep70-21swapper/707:03:127
156892470,0sleep40-21swapper/409:15:524
132662470,0sleep30-21swapper/311:30:313
298362460,0sleep70-21swapper/712:10:567
203192460,2sleep62424599cyclictest11:48:526
194772460,1sleep719431-21sshd10:00:577
161612450,0sleep40-21swapper/410:54:444
307632440,1sleep330758-21systemd10:12:223
289412440,0sleep60-21swapper/609:13:066
269272440,0sleep40-21swapper/409:09:284
195042440,0sleep30-21swapper/310:40:333
17662440,0sleep30-21swapper/309:58:123
109602440,0sleep10-21swapper/111:12:191
79972430,0sleep7711rcuc/711:12:097
2382424331,9sleep00-21swapper/007:02:170
130872420,0sleep30-21swapper/312:28:063
102962420,1sleep310270-21sshd10:32:483
32402410,0sleep60-21swapper/609:51:026
298222410,0sleep60-21swapper/611:18:496
255312410,0sleep50-21swapper/511:32:575
234822410,0sleep60-21swapper/611:54:296
203832410,0sleep20-21swapper/212:06:502
2386724027,9sleep30-21swapper/307:02:523
2379224028,9sleep40-21swapper/407:01:494
2372224029,8sleep10-21swapper/107:00:501
228472400,0sleep30-21swapper/311:11:093
30862390,0sleep70-21swapper/709:49:197
265002390,0sleep20-21swapper/211:52:492
2380323926,9sleep60-21swapper/607:01:596
2369423927,8sleep50-21swapper/507:00:465
143212390,0sleep10-21swapper/112:24:351
75632380,0sleep50-21swapper/510:02:075
2391123827,8sleep20-21swapper/207:03:312
211062370,0sleep00-21swapper/008:50:420
183142360,2sleep42423699cyclictest11:50:344
24230992410,1cyclictest131rcu_sched09:23:063
2423099237,1cyclictest41-21ksoftirqd/310:20:363
2423999220,2cyclictest1-21systemd11:00:195
24230992214,3cyclictest41-21ksoftirqd/311:07:543
2423099218,3cyclictest41-21ksoftirqd/311:29:123
24230992116,4cyclictest41-21ksoftirqd/311:35:303
24230992116,3cyclictest41-21ksoftirqd/312:23:233
24230992114,2cyclictest41-21ksoftirqd/310:58:553
24230992110,3cyclictest41-21ksoftirqd/309:08:233
2423099204,3cyclictest41-21ksoftirqd/310:17:173
24230992016,1cyclictest41-21ksoftirqd/310:10:053
24214992017,1cyclictest25-21ksoftirqd/110:38:381
2423999190,3cyclictest18971-21bash09:23:185
2423099196,1cyclictest41-21ksoftirqd/312:14:123
2423099196,1cyclictest41-21ksoftirqd/311:56:473
2423099196,1cyclictest41-21ksoftirqd/311:56:473
24230991915,3cyclictest41-21ksoftirqd/310:28:543
24230991913,3cyclictest41-21ksoftirqd/311:45:563
149732190,0sleep70-21swapper/712:15:367
309502180,1sleep630949-21grep12:07:266
271452180,0sleep60-21swapper/609:45:186
2423999180,2cyclictest4926-21grep12:31:105
2423999180,2cyclictest4099-21bash10:30:405
2423099183,3cyclictest41-21ksoftirqd/309:27:083
24230991816,1cyclictest41-21ksoftirqd/312:10:243
24230991814,3cyclictest41-21ksoftirqd/309:19:023
24230991813,3cyclictest41-21ksoftirqd/311:40:393
24230991812,4cyclictest41-21ksoftirqd/309:38:063
2423099181,2cyclictest41-21ksoftirqd/312:00:273
2423099180,2cyclictest131rcu_sched11:17:143
213312180,1sleep221328-21grepconf.sh10:22:382
2423099177,1cyclictest41-21ksoftirqd/312:30:373
2423099173,2cyclictest41-21ksoftirqd/311:52:533
2423099173,1cyclictest41-21ksoftirqd/312:17:013
24230991716,1cyclictest41-21ksoftirqd/310:45:463
24230991715,1cyclictest41-21ksoftirqd/311:04:063
24230991715,1cyclictest41-21ksoftirqd/310:38:123
24230991715,1cyclictest41-21ksoftirqd/310:02:463
24230991714,3cyclictest41-21ksoftirqd/311:21:423
24230991713,1cyclictest41-21ksoftirqd/309:43:193
24230991713,1cyclictest121rcu_preempt09:53:143
24230991711,2cyclictest41-21ksoftirqd/310:53:453
2423099171,3cyclictest131rcu_sched09:34:303
2423099171,1cyclictest41-21ksoftirqd/309:48:163
208292170,1sleep220824-21systemd10:02:522
94642160,1sleep69416-21sshd10:07:366
34822160,0sleep60-21swapper/610:10:496
24245991613,2cyclictest13776-21sshd09:17:376
2423999160,2cyclictest5537-21systemd10:43:205
2423999160,15cyclictest15616-21sshd09:17:445
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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