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2025-12-30 - 17:41
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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 Tue Dec 30, 2025 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302342520,0sleep20-21swapper/211:25:572
215192520,0sleep50-21swapper/510:48:035
1946625026,8sleep00-21swapper/007:06:090
1722825026,8sleep20-21swapper/207:04:272
1889924824,10sleep50-21swapper/507:04:465
81052450,1sleep330684-21kworker/3:209:49:233
214252430,0sleep00-21swapper/012:15:360
244112420,0sleep00-21swapper/010:00:570
1968224226,12sleep70-21swapper/707:09:057
20012410,2sleep41984099cyclictest12:23:494
1953724128,9sleep40-21swapper/407:07:104
1942924128,9sleep30-21swapper/307:05:403
1940524128,9sleep60-21swapper/607:05:196
118032410,0sleep60-21swapper/611:27:296
1950324027,9sleep10-21swapper/107:06:421
153202400,0sleep30-21swapper/309:26:333
31662390,0sleep10-21swapper/110:39:271
199872390,0sleep70-21swapper/712:12:077
262972370,2sleep21983899cyclictest12:02:412
214652370,0sleep50-21swapper/511:52:025
297862360,0sleep40-21swapper/410:18:314
178092360,0sleep70-21swapper/709:16:367
19838992117,1cyclictest33-21ksoftirqd/211:08:342
19838991915,1cyclictest33-21ksoftirqd/209:13:502
19838991813,3cyclictest33-21ksoftirqd/212:27:092
19838991813,3cyclictest33-21ksoftirqd/212:27:092
19838991813,3cyclictest33-21ksoftirqd/211:39:252
19841991714,2cyclictest57-21ksoftirqd/509:54:375
19841991711,5cyclictest17733-21systemd10:57:435
19841991711,2cyclictest29410-21systemd11:02:175
19838991715,1cyclictest33-21ksoftirqd/210:19:542
294652160,0sleep40-21swapper/411:59:384
19842991614,1cyclictest65-21ksoftirqd/611:19:016
1983899164,1cyclictest33-21ksoftirqd/211:54:542
1983899164,1cyclictest33-21ksoftirqd/211:49:412
19838991615,1cyclictest33-21ksoftirqd/210:14:362
19838991614,2cyclictest33-21ksoftirqd/209:48:422
19838991614,1cyclictest33-21ksoftirqd/211:34:332
19838991614,1cyclictest33-21ksoftirqd/211:34:332
19838991614,1cyclictest33-21ksoftirqd/210:31:192
19838991614,1cyclictest33-21ksoftirqd/209:55:042
19838991614,1cyclictest33-21ksoftirqd/209:52:192
19838991613,3cyclictest33-21ksoftirqd/210:58:232
19838991612,1cyclictest33-21ksoftirqd/211:17:032
19838991611,3cyclictest33-21ksoftirqd/210:06:052
51332150,1sleep65134-21kworker/u16:411:46:596
19838991514,1cyclictest33-21ksoftirqd/212:33:002
19838991514,1cyclictest33-21ksoftirqd/211:22:342
19838991514,1cyclictest33-21ksoftirqd/210:50:342
19838991513,2cyclictest33-21ksoftirqd/210:59:492
19838991513,1cyclictest33-21ksoftirqd/212:06:212
19838991513,1cyclictest33-21ksoftirqd/211:46:122
19838991513,1cyclictest33-21ksoftirqd/211:10:342
19838991513,1cyclictest33-21ksoftirqd/210:34:332
19838991513,1cyclictest33-21ksoftirqd/210:34:332
19838991513,1cyclictest33-21ksoftirqd/209:59:422
19838991513,1cyclictest33-21ksoftirqd/209:33:512
19838991513,1cyclictest33-21ksoftirqd/209:19:272
19838991511,3cyclictest11717-21nscd09:14:462
19838991511,1cyclictest33-21ksoftirqd/210:42:062
19838991511,1cyclictest33-21ksoftirqd/209:36:532
19838991510,4cyclictest33-21ksoftirqd/210:24:422
1983699159,6cyclictest12238-21grepconf.sh10:16:360
1983699153,9cyclictest0-21swapper/008:48:260
1983699153,5cyclictest0-21swapper/012:00:210
219032140,1sleep665-21ksoftirqd/610:24:266
19842991413,1cyclictest65-21ksoftirqd/609:19:416
19841991412,1cyclictest57-21ksoftirqd/510:19:355
1984099149,3cyclictest5902-21kworker/4:510:01:474
19838991413,1cyclictest33-21ksoftirqd/212:20:162
19838991413,1cyclictest33-21ksoftirqd/211:29:362
19838991413,1cyclictest33-21ksoftirqd/211:29:362
19838991412,2cyclictest33-21ksoftirqd/212:34:452
19838991412,1cyclictest33-21ksoftirqd/210:45:262
19838991412,1cyclictest33-21ksoftirqd/209:39:342
19838991411,3cyclictest33-21ksoftirqd/209:29:042
19838991411,1cyclictest33-21ksoftirqd/212:17:002
19837991412,1cyclictest31272-21systemd-cgroups12:19:581
12222140,0sleep10-21swapper/111:49:501
37272130,0sleep40-21swapper/412:10:194
251762130,1sleep125175-21bash11:35:331
251762130,1sleep125175-21bash11:35:331
209132130,0sleep50-21swapper/510:14:165
19842991312,1cyclictest65-21ksoftirqd/612:29:496
19841991312,1cyclictest57-21ksoftirqd/510:14:345
19841991311,1cyclictest57-21ksoftirqd/509:15:035
19841991310,2cyclictest6365-21systemd11:26:535
19839991312,1cyclictest41-21ksoftirqd/310:09:433
1983999130,12cyclictest27508-21systemd10:18:153
19838991311,1cyclictest33-21ksoftirqd/212:09:322
19838991311,1cyclictest33-21ksoftirqd/210:09:522
19837991310,2cyclictest686-21dbus-daemon11:14:551
1983699138,1cyclictest21047-21kworker/0:011:34:270
1983699138,1cyclictest21047-21kworker/0:011:34:270
1983699133,6cyclictest0-21swapper/011:08:040
1983699132,1cyclictest686-21dbus-daemon09:48:160
1983699131,9cyclictest0-21swapper/009:00:420
1983699131,9cyclictest0-21swapper/008:25:360
1983699131,9cyclictest0-21swapper/008:06:380
1983699130,10cyclictest0-21swapper/008:19:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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