You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2025-12-26 - 10:42
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.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 10 highest latencies:
System rack3slot2.osadl.org (updated Fri Dec 26, 2025 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
237297022860,2sleep02372971-21/usr/sbin/munin20:20:240
235757322860,2sleep02357571-21forks19:25:210
235315199268240,18cyclictest2432544-21kworker/u2:200:00:100
239087422630,3sleep02390876-21sort21:25:080
242786622590,2sleep02427868-21timerwakeupswit23:36:220
240522822480,4chrt2405218-21ntpq22:15:510
240792822460,4chrt2407925-21ntpq22:25:320
235315199244215,18cyclictest2361529-21kworker/u2:219:50:360
235315199241211,18cyclictest2399662-21kworker/u2:022:00:010
235315199236207,18cyclictest2360023-21kworker/u2:019:35:380
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional