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2026-06-01 - 23:14
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack0slot2.osadl.org (updated Mon Jun 01, 2026 12:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299764025948,8sleep50-21swapper/507:04:345
2998100994844,3cyclictest635-21systemd-journal07:16:507
299763924635,8sleep40-21swapper/407:04:334
2998091994340,2cyclictest3163351-21kworker/u16:1+events_unbound09:31:535
2998095994239,2cyclictest3184122-21kworker/u16:3+events_unbound08:41:526
2998091994240,2cyclictest3388958-21kworker/u16:3+events_unbound10:32:215
2998091994139,2cyclictest3388958-21kworker/u16:3+events_unbound10:50:515
2998091994139,2cyclictest3388958-21kworker/u16:3+events_unbound10:44:415
2998091994139,2cyclictest3388958-21kworker/u16:3+events_unbound10:21:125
2998091994138,2cyclictest3650802-21kworker/u16:0+events_unbound12:26:525
2998091994038,2cyclictest3304301-21kworker/u16:4+events_unbound09:42:175
29886452405,30sleep70-21swapper/707:01:557
2998095993937,2cyclictest3202481-21kworker/u16:4+events_unbound09:16:216
2998091993937,2cyclictest3532836-21kworker/u16:2+events_unbound11:13:395
2998087993936,2cyclictest3069393-21kworker/u16:1+flush-8:007:52:164
2998095993836,2cyclictest3569001-21kworker/u16:4+events_unbound11:55:126
2998095993836,2cyclictest3569001-21kworker/u16:4+events_unbound11:45:446
2998095993836,2cyclictest3328765-21kworker/u16:0+events_unbound10:03:566
2998095993832,6cyclictest3569001-21kworker/u16:4+events_unbound12:06:156
2998091993836,2cyclictest3472717-21kworker/u16:0+events_unbound10:55:115
2998091993836,2cyclictest3448676-21kworker/u16:1+events_unbound11:08:325
2998091993836,2cyclictest3304301-21kworker/u16:4+flush-8:009:49:595
2998095993735,2cyclictest3448676-21kworker/u16:1+events_unbound11:37:236
2998095993735,2cyclictest3448676-21kworker/u16:1+events_unbound11:37:236
2998095993735,2cyclictest3364448-21kworker/u16:2+events_unbound10:36:276
2998095993735,2cyclictest3268169-21kworker/u16:0+events_unbound09:27:006
2998095993735,2cyclictest3163351-21kworker/u16:1+events_unbound09:55:566
2998091993735,2cyclictest3650802-21kworker/u16:0+events_unbound12:05:285
2998091993735,2cyclictest3569001-21kworker/u16:4+events_unbound12:26:115
2998091993735,2cyclictest3518663-21kworker/u16:3+events_unbound11:25:125
2998091993735,2cyclictest3328765-21kworker/u16:0+events_unbound10:01:205
2998091993735,2cyclictest3233389-21kworker/u16:2+events_unbound09:15:405
2998091993735,2cyclictest3163351-21kworker/u16:1+events_unbound10:08:205
2998095993634,2cyclictest3532836-21kworker/u16:2+flush-8:011:15:396
2998095993634,2cyclictest3364448-21kworker/u16:2+events_unbound10:17:436
2998091993634,2cyclictest3569001-21kworker/u16:4+events_unbound12:18:045
2998091993634,2cyclictest3569001-21kworker/u16:4+events_unbound12:18:045
2998091993634,2cyclictest3569001-21kworker/u16:4+events_unbound12:13:035
2998091993634,2cyclictest3569001-21kworker/u16:4+events_unbound11:47:515
2998091993634,2cyclictest3518663-21kworker/u16:3+events_unbound11:35:125
2998095993533,2cyclictest3650802-21kworker/u16:0+events_unbound12:25:366
2998095993533,2cyclictest3472717-21kworker/u16:0+events_unbound10:57:436
2998095993533,2cyclictest3304301-21kworker/u16:4+events_unbound10:54:246
2998095993533,2cyclictest3163351-21kworker/u16:1+events_unbound09:45:116
2998091993533,2cyclictest3472717-21kworker/u16:0+events_unbound11:03:395
2998091993533,2cyclictest3448676-21kworker/u16:1+events_unbound11:00:135
2998091993533,2cyclictest3328765-21kworker/u16:0+events_unbound09:53:125
2998091993533,2cyclictest3304301-21kworker/u16:4+events_unbound10:39:115
2998091993533,2cyclictest3304301-21kworker/u16:4+events_unbound09:39:355
2998091993533,2cyclictest3202481-21kworker/u16:4+events_unbound09:19:525
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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