You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-02 - 16:04
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 10 highest latencies:
System rackeslot6.osadl.org (updated Thu Jul 02, 2026 12:44:57)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
262557199132122,8cyclictest2635497-21kworker/u8:0+flush-179:008:55:011
262557199127115,9cyclictest2723126-21kworker/u8:0+flush-179:012:20:001
262556699124117,5cyclictest2710614-21kworker/u8:3+flush-179:011:40:020
262557199119110,6cyclictest2635497-21kworker/u8:0+events_unbound08:20:211
262557199118102,7cyclictest2608238-21kworker/u8:3+flush-179:007:20:011
262557199117100,7cyclictest2650122-21kworker/u8:1+events_unbound08:50:001
262557199116109,4cyclictest2705310-21latency_hist11:15:011
26255719911499,5cyclictest2628686-21kworker/u8:0+events_unbound07:20:241
262556699114103,8cyclictest2663141-21latency_hist09:05:020
262557199112101,8cyclictest2645103-21latency_hist08:10:001
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional