You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-21 - 03:16
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 rackbslot7.osadl.org (updated Thu Aug 20, 2026 12:44:28)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2596212411,80sleep22641-21sendmail_mailtr07:05:362
34449912065,42cyclictest22303-21apt-get08:05:090
34449911132,48cyclictest5366-21ssh12:24:010
34449910630,40cyclictest0-21swapper/012:32:430
34449910630,40cyclictest0-21swapper/012:32:430
3295210613,62sleep13318-21apt07:09:551
3461991039,71cyclictest19052-21apt-get07:55:102
3461991039,71cyclictest19052-21apt-get07:55:102
34569910385,12cyclictest619-21wc08:35:281
34449910235,32cyclictest9564-21seq09:56:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional