You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-28 - 05:20
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 Sat Mar 28, 2026 00:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
150740022520,2sleep01507398-21switchtime23:36:190
147364922520,3chrt1473637-21ntpq21:35:500
146775122510,3chrt1467749-21diskstats21:15:170
152296322470,4chrt1522933-21/usr/sbin/munin00:35:050
144439022380,3chrt1444391-21ntpq19:50:490
146756722210,2sleep01467569-21sed21:15:070
143271299210180,18cyclictest1498184-21kworker/u2:100:00:170
151597922030,4chrt1515974-21awk00:10:000
145639322020,2sleep01456392-21true20:35:030
143696722020,2sleep01436969-21grep19:25:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional