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2025-11-04 - 17:56
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackeslot4.osadl.org (updated Tue Nov 04, 2025 12:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3307647994021,8cyclictest0-21swapper/009:50:000
330765799370,9cyclictest3600798-21ssh11:22:583
330764799340,23cyclictest3349474-21irqcore07:50:190
330765799318,4cyclictest3471731-21systemd-journal10:15:013
330765799300,29cyclictest3522773-21grep10:20:233
3307647993018,11cyclictest3532895-21ssh10:30:190
330764799301,28cyclictest0-21swapper/008:45:180
330764799301,21cyclictest3430269-21diskmemload10:22:370
330764799301,20cyclictest3683100-21ssh12:27:120
330764799300,28cyclictest3449085-21ssh09:24:530
330764799300,1cyclictest0-21swapper/011:00:180
330764799290,3cyclictest3545519-21cut10:40:190
330764799290,28cyclictest3512346-21ssh10:13:590
330764799290,21cyclictest3440866-21ld09:15:200
330764799290,20cyclictest0-21swapper/011:59:100
330764799290,1cyclictest0-21swapper/008:40:200
3307657992818,9cyclictest3543633-21sh10:36:443
3307657992818,8cyclictest0-21swapper/309:15:003
330765799280,9cyclictest3550628-21sh10:44:003
330765799280,26cyclictest3646467-21ssh12:00:053
330765799280,26cyclictest3485573-21ntpq09:50:243
330765799280,26cyclictest3473579-21ssh09:42:383
330765799280,26cyclictest3364756-21irqcore08:05:193
330765499282,22cyclictest3646510-21apt-get12:00:122
3307647992817,10cyclictest3671638-21cat12:20:010
3307647992817,10cyclictest3632822-21ssh11:47:520
330764799281,2cyclictest3430269-21diskmemload09:37:100
330764799281,1cyclictest0-21swapper/011:51:550
330764799281,1cyclictest0-21swapper/011:35:370
330764799281,1cyclictest0-21swapper/009:34:560
330764799281,19cyclictest3430269-21diskmemload10:28:060
330764799280,27cyclictest3688399-21ssh12:30:230
330764799280,20cyclictest3430269-21diskmemload10:02:400
3307657992722,3cyclictest3333040-21cron07:35:003
3307657992715,10cyclictest3620589-21apt-key11:40:003
330765799270,26cyclictest3537199-21ssh10:31:163
330765799270,25cyclictest3575042-21ssh11:01:133
330765299271,22cyclictest3359664-21irqcore08:00:171
330765299271,22cyclictest3328222-21apt-get07:30:131
330765299270,24cyclictest3658959-21grep12:10:001
3307647992718,8cyclictest3658113-21sh12:07:450
3307647992713,12cyclictest3486657-21taskset09:52:120
330764799270,2cyclictest3430269-21diskmemload09:58:310
330764799270,26cyclictest0-21swapper/011:20:130
330764799270,26cyclictest0-21swapper/010:50:160
330764799270,1cyclictest0-21swapper/012:24:280
330764799270,19cyclictest0-21swapper/011:07:340
330765799262,23cyclictest3447178-21ntpq09:20:203
3307657992619,6cyclictest3454518-21ssh09:27:093
3307657992617,7cyclictest3375421-21ps08:15:203
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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