You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-08 - 02:27
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 Sun Dec 07, 2025 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19785218510,40sleep019789-21systemd-run07:08:240
198929910043,50cyclictest0-21swapper/211:58:242
19892999818,33cyclictest3630-21fschecks_count09:23:452
19892999722,25cyclictest25454-21seq11:00:432
19877999773,16cyclictest10031-21latency_hist12:28:250
1989299964,40cyclictest11138-21unixbench_multi10:34:432
19892999532,9cyclictest0-21swapper/210:03:422
19892999532,10cyclictest0-21swapper/210:18:352
19892999526,11cyclictest0-21swapper/208:34:012
1989299952,38cyclictest975-21latency_hist07:48:242
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional