You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-01 - 23:19
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 Sat Aug 01, 2026 12:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
962928985,0sleep30-21swapper/307:26:053
981823827,0sleep20-21swapper/207:28:162
398323525,0sleep10-21swapper/107:24:231
975023127,0sleep00-21swapper/007:27:300
99699966,0cyclictest0-21swapper/210:54:252
99699960,0cyclictest0-21swapper/210:37:142
99699960,0cyclictest0-21swapper/208:24:202
8305060,0irq/26-0000:00:27701-21if_err_eth1.211:44:232
339960,0migration/36944-21sh12:46:103
339960,0migration/36519-21sh11:11:303
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional