You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-03 - 00:34
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 Aug 02, 2026 12:43:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2444323827,0sleep00-21swapper/007:27:080
2451523526,0sleep10-21swapper/107:27:571
2450223021,0sleep30-21swapper/307:27:473
2427922925,0sleep20-21swapper/207:25:102
8305070,0irq/26-0000:00:21180-21munin-run07:49:123
339960,0migration/328673-21latency_hist10:59:133
339960,0migration/311900-21sh11:05:113
329960,0watchdog/37164-21kthreadcore10:44:323
329960,0watchdog/37164-21kthreadcore10:44:323
247009960,0cyclictest0-21swapper/207:44:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional