You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-23 - 15:40
Click here to display the system's profile data or here to proceed to next system.
Click on a legend element to toggle display of that core, ctrl-click inverts display, shift-click enables all.

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 20 highest latencies:
System rackeslot6.osadl.org (updated Thu Jul 23, 2026 12:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73196399152142,7cyclictest744683-21kworker/u8:1+events_unbound07:55:001
73196399140131,7cyclictest768849-21kworker/u8:0+events_unbound09:10:001
73196199140128,9cyclictest739816-21latency_hist07:35:010
73196399139132,6cyclictest765646-21kworker/u8:3+events_unbound09:15:011
73196399129120,6cyclictest798007-21kworker/u8:2+events_unbound10:45:161
73196399128121,5cyclictest748899-21kworker/u8:0+flush-179:008:10:011
73196399128121,5cyclictest748899-21kworker/u8:0+flush-179:008:10:011
73196399128116,8cyclictest836249-21latency_hist12:35:011
7319619912896,21cyclictest829873-21latency_hist12:15:010
73196399126116,7cyclictest823506-21latency_hist11:55:001
73196399125118,4cyclictest741496-21kworker/u8:0+flush-179:007:40:001
73196399121112,7cyclictest789529-21kworker/u8:2+events_unbound10:20:141
73196399120111,7cyclictest798007-21kworker/u8:2+events_unbound10:40:011
73196399120111,6cyclictest817138-21latency_hist11:35:001
73196399119108,8cyclictest807829-21kworker/u8:2+flush-179:011:10:181
73196199119108,8cyclictest825092-21latency_hist12:00:000
73196199118110,6cyclictest804138-21latency_hist10:55:010
73196399117109,5cyclictest807829-21kworker/u8:2+events_unbound11:15:231
73196399116107,5cyclictest789529-21kworker/u8:2+events_unbound10:20:021
73196399116105,8cyclictest800999-21kworker/u8:1+events_unbound10:50:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional