You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-25 - 01:11
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 rack1slot2.osadl.org (updated Sun May 24, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2779624637,0sleep20-21swapper/207:21:372
2790124535,0sleep10-21swapper/107:22:481
2772123826,0sleep30-21swapper/307:20:463
2790723624,0sleep00-21swapper/007:22:510
280349976,0cyclictest0-21swapper/110:48:431
29805060,0irq/28-eth0-rx-730-21cut12:43:473
29805060,0irq/28-eth0-rx-31347-21perl11:28:443
29805060,0irq/28-eth0-rx-23236-21taskset11:41:393
29805060,0irq/28-eth0-rx-22847-21df12:38:443
29805060,0irq/28-eth0-rx-17119-21open_files10:58:513
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional