You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-07 - 01:29
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 Sat Dec 06, 2025 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3223039999590,3cyclictest3319173-21kworker/u8:2+flush-179:012:05:261
3223036999082,6cyclictest3235965-21kworker/u8:3+flush-179:008:00:010
3223039998882,4cyclictest3277603-21kworker/u8:0+flush-179:010:30:261
3223039998675,8cyclictest3290797-21/usr/sbin/munin10:40:261
3223036998682,3cyclictest3272250-21kworker/u8:0+events_unbound09:40:250
3223039998575,7cyclictest3289189-21/usr/sbin/munin10:35:241
3223039998373,7cyclictest3242294-21latency_hist08:10:011
3223039998169,9cyclictest3293736-21apt-get10:50:001
3223036998075,4cyclictest3313322-21kworker/u8:1+events_unbound11:50:250
3223036998075,4cyclictest3290522-21kworker/u8:1+events_unbound11:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional