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2026-05-08 - 16:42
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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 rack6slot5.osadl.org (updated Fri May 08, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2340699105925300,5281cyclictest13013-21kworker/0:109:21:490
234069999595267,4688cyclictest13013-21kworker/0:108:45:570
234069999545242,4697cyclictest30951-21kworker/0:111:23:380
234069998745223,4640cyclictest13013-21kworker/0:108:37:500
234069996955015,4669cyclictest28018-21kworker/0:010:08:060
234069996595119,4536cyclictest13013-21kworker/0:107:20:070
234069995575063,4483cyclictest16189-21kworker/0:210:53:250
234069994724726,4723cyclictest30951-21kworker/0:111:31:410
234069993354873,4457cyclictest13013-21kworker/0:108:25:170
234069993354671,4653cyclictest28018-21kworker/0:010:28:270
234069991684588,4569cyclictest30951-21kworker/0:112:00:110
234069991064651,4444cyclictest13013-21kworker/0:107:46:090
234069990824626,4446cyclictest30951-21kworker/0:111:43:410
234069990474477,4519cyclictest13013-21kworker/0:108:23:360
234069989494574,4364cyclictest16202-21kworker/0:109:32:140
234069989164558,4347cyclictest13013-21kworker/0:108:41:580
234069988964549,4336cyclictest19538-21kworker/0:009:43:050
234069988034603,4189cyclictest13013-21kworker/0:107:34:510
234069988024567,4220cyclictest30951-21kworker/0:112:24:580
234069987524480,4261cyclictest13013-21kworker/0:108:13:190
234069987204464,4245cyclictest30951-21kworker/0:111:25:140
234069987124463,4245cyclictest30951-21kworker/0:111:04:060
234069987014455,4235cyclictest19538-21kworker/0:009:37:450
234069986154285,4279cyclictest13013-21kworker/0:107:36:580
234069984694337,4120cyclictest30951-21kworker/0:112:31:330
234069982024334,3808cyclictest28018-21kworker/0:010:01:440
234069981224205,3857cyclictest30951-21kworker/0:111:07:550
234069980764239,3822cyclictest28018-21kworker/0:009:56:400
234069980514074,3925cyclictest13013-21kworker/0:107:59:580
234069978784345,3522cyclictest13013-21kworker/0:107:53:540
234069978764176,3685cyclictest30951-21kworker/0:111:13:200
234069978553982,3830cyclictest13013-21kworker/0:107:44:380
234069978104079,3716cyclictest30951-21kworker/0:112:14:380
234069977554134,3578cyclictest30951-21kworker/0:111:58:350
234069977183903,3764cyclictest13013-21kworker/0:108:07:360
234069975674129,3386cyclictest13013-21kworker/0:107:17:570
234069975543719,3820cyclictest30951-21kworker/0:111:52:520
234069972793743,3525cyclictest16189-21kworker/0:210:58:360
234069972343566,3617cyclictest28018-21kworker/0:010:16:560
234069972163714,3459cyclictest13013-21kworker/0:108:15:470
234069971653829,3284cyclictest16189-21kworker/0:210:36:230
234069970733883,3147cyclictest13013-21kworker/0:107:25:300
234069970733839,3229cyclictest13013-21kworker/0:109:07:360
234069970533772,3230cyclictest25371-21kworker/0:209:51:370
234069969583780,3167cyclictest30951-21kworker/0:112:26:330
234069969473610,3277cyclictest16189-21kworker/0:210:46:450
234069968603731,3118cyclictest13013-21kworker/0:108:58:320
234069968293618,3200cyclictest28018-21kworker/0:010:33:080
234069968133610,3192cyclictest13013-21kworker/0:109:16:460
234069966733686,2936cyclictest19538-21kworker/0:009:46:430
234069966733425,3233cyclictest13013-21kworker/0:107:14:370
234069966343480,3139cyclictest13013-21kworker/0:109:10:400
234069966053648,2914cyclictest13013-21kworker/0:108:52:500
234069966013507,3090cyclictest30951-21kworker/0:111:19:450
234069965733587,2975cyclictest13013-21kworker/0:108:01:390
234069965403569,2960cyclictest13633-21kworker/0:009:26:480
234069965323508,2972cyclictest30951-21kworker/0:112:19:580
234069964803342,3126cyclictest30951-21kworker/0:112:36:330
234069964613361,3052cyclictest28018-21kworker/0:010:11:490
234069963413412,2870cyclictest30951-21kworker/0:112:09:410
234069962383317,2909cyclictest30951-21kworker/0:111:37:410
234069961973398,2788cyclictest16189-21kworker/0:210:43:030
234069960653268,2746cyclictest13013-21kworker/0:108:31:430
234069960063253,2702cyclictest30951-21kworker/0:111:47:390
234069960023249,2702cyclictest28018-21kworker/0:010:22:100
234069947082314,2352cyclictest13013-21kworker/0:109:01:270
230832723184,203sleep00-21swapper07:07:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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