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2026-04-21 - 14:45
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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 highest latencies:
System rack6slot5.osadl.org (updated Tue Apr 21, 2026 12:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2769499104115310,5090cyclictest29331-21kworker/0:112:04:360
276949996225106,4505cyclictest11512-21kworker/0:010:22:570
276949993344738,4544cyclictest27449-21kworker/0:109:01:470
276949992994764,4524cyclictest25839-21kworker/0:010:55:100
276949989854603,4371cyclictest14557-21kworker/0:110:29:040
276949989214566,4344cyclictest32736-21kworker/0:110:16:210
276949987254542,4160cyclictest27449-21kworker/0:108:38:080
276949985824394,4177cyclictest29331-21kworker/0:112:16:580
276949985334457,4052cyclictest11576-21kworker/0:112:30:240
276949984424405,4026cyclictest12917-21kworker/0:109:35:520
276949983184320,3956cyclictest12917-21kworker/0:109:20:130
276949983074316,3976cyclictest12917-21kworker/0:109:34:170
276949982794538,3726cyclictest25839-21kworker/0:011:11:170
276949980074171,3821cyclictest32736-21kworker/0:110:14:450
276949978894136,3739cyclictest10206-21kworker/0:209:13:300
276949977714088,3673cyclictest24499-21kworker/0:009:43:170
276949976623974,3637cyclictest27449-21kworker/0:108:55:000
276949976614101,3509cyclictest27449-21kworker/0:109:07:280
276949974493867,3522cyclictest12184-21kworker/0:211:35:520
276949974403805,3611cyclictest25839-21kworker/0:011:24:430
276949974154080,3284cyclictest27449-21kworker/0:108:34:150
276949973413891,3435cyclictest32736-21kworker/0:110:01:520
276949973093818,3440cyclictest12184-21kworker/0:211:49:250
276949971843675,3494cyclictest12184-21kworker/0:211:43:150
276949971613794,3356cyclictest12184-21kworker/0:211:58:310
276949970523839,3201cyclictest12184-21kworker/0:211:31:130
276949969923707,3274cyclictest27449-21kworker/0:108:49:110
276949969843704,3269cyclictest24499-21kworker/0:009:49:530
276949969253712,3162cyclictest26045-21kworker/0:207:18:420
276949969063651,3240cyclictest12184-21kworker/0:211:52:050
276949968473735,3101cyclictest26045-21kworker/0:207:20:070
276949968233619,3199cyclictest32736-21kworker/0:110:09:470
276949968153580,3184cyclictest29331-21kworker/0:112:09:180
276949967653590,3171cyclictest8798-21kworker/0:012:23:260
276949967573547,3159cyclictest20041-21kworker/0:110:47:220
276949965993475,3073cyclictest20041-21kworker/0:110:41:130
276949965363454,3066cyclictest12184-21kworker/0:211:29:380
276949964963456,3036cyclictest10206-21kworker/0:209:15:050
276949964813391,3052cyclictest25839-21kworker/0:011:16:140
276949963973619,2775cyclictest26045-21kworker/0:207:12:390
276949963343330,2988cyclictest24499-21kworker/0:009:54:580
276949962913313,2918cyclictest12917-21kworker/0:109:27:310
276949962013176,3001cyclictest25839-21kworker/0:011:03:480
276949961073244,2848cyclictest11576-21kworker/0:112:27:520
276949960903167,2908cyclictest25839-21kworker/0:010:53:350
276949960773205,2812cyclictest25839-21kworker/0:011:08:520
276949960283190,2795cyclictest17261-21kworker/0:010:33:540
276949959593195,2753cyclictest24499-21kworker/0:009:56:330
276949959033120,2731cyclictest14429-21kworker/0:012:35:110
276949958823240,2637cyclictest27449-21kworker/0:108:56:360
276949951862684,2491cyclictest29331-21kworker/0:112:10:530
276949950692527,2527cyclictest17261-21kworker/0:010:36:210
276949947242477,2236cyclictest1120-21kworker/0:007:26:210
273182804183,203sleep00-21swapper07:08:010
276949942037,368cyclictest21649-21apt08:17:000
276949940934,360cyclictest8197-31copy07:41:300
276949940634,190cyclictest5217-21seq07:35:040
276949939215,316cyclictest5326-21basename07:35:140
276949939132,345cyclictest15488-21expr08:00:390
276949938836,338cyclictest11-21ksoftirqd/007:53:160
276949938732,294cyclictest31054-21chrt08:42:500
276949938431,283cyclictest18368-21cat08:10:030
276949938231,291cyclictest19582-21cstates08:11:070
276949937719,297cyclictest23819-21sshd08:24:440
276949936914,295cyclictest13485-21sed07:55:330
276949935695,202cyclictest11-21ksoftirqd/008:25:290
276949934474,89cyclictest11-21ksoftirqd/007:45:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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