You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-25 - 18:03
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 Wed Mar 25, 2026 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7530991112,88cyclictest4340-21apt-get10:34:542
75309910250,42cyclictest0-21swapper/211:19:472
75259910134,18cyclictest0-21swapper/109:49:311
7530999863,25cyclictest5087-21apt-key08:34:342
7530999863,25cyclictest5087-21apt-key08:34:342
7530999841,50cyclictest13633-21latency_hist11:44:342
7525999837,9cyclictest0-21swapper/108:19:341
7525999837,9cyclictest0-21swapper/108:19:341
7530999712,13cyclictest0-21swapper/210:44:422
7530999712,13cyclictest0-21swapper/210:44:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional