You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-07-20 - 21:33
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 20 highest latencies:
System rack8slot4.osadl.org (updated Mon Jul 20, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18328172230172,19sleep50-21swapper/507:08:475
18327242229168,18sleep60-21swapper/607:07:276
18327902217185,20sleep70-21swapper/707:08:257
18328332216184,21sleep30-21swapper/307:09:013
18327852210182,18sleep20-21swapper/207:08:202
18326922210182,19sleep10-21swapper/107:06:581
18328252208179,19sleep40-21swapper/407:08:544
18327922202174,19sleep00-21swapper/007:08:260
183415099340,33cyclictest0-21swapper/212:25:012
1834162993227,4cyclictest1886528-21cron08:45:017
183416099320,4cyclictest1912032-21cron09:30:016
1834148993227,4cyclictest2012117-21gmain12:30:011
183414899320,31cyclictest1934392-21true10:10:021
183414899320,31cyclictest1934392-21true10:10:011
1834144993227,4cyclictest1984578-21cron11:40:020
1834162993025,4cyclictest279850-21systemd-journal11:15:017
183416299300,29cyclictest1970964-21/usr/sbin/munin11:15:037
183416299300,29cyclictest1955358-21apt-get10:49:567
183416099300,29cyclictest1945500-21needreboot10:30:016
183415799300,29cyclictest0-21swapper/512:30:055
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional