You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-04-04 - 19:20
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 20 highest latencies:
System rack3slot2.osadl.org (updated Sat Apr 04, 2026 12:44:29)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
89514299303265,26cyclictest903181-31find07:37:280
98032823000,3sleep0980329-21/usr/sbin/munin12:15:110
98379222930,2sleep0983793-21readlink12:26:190
89514299291260,20cyclictest29-21kswapd007:41:040
93481122650,3chrt934800-21ntpq09:31:030
95149722610,4chrt951485-21ntpq10:30:480
95842022480,3chrt958417-21ntpq10:55:420
94857322480,4chrt948571-21memory10:20:280
94737122450,3chrt947367-21ntp_states10:15:590
91915922450,3chrt919158-21/usr/sbin/munin08:35:230
90516422440,2chrt905162-21df07:45:140
94299022220,3sleep0942992-21sed10:00:270
89514299206174,20cyclictest948196-21kworker/u2:111:06:170
95662821930,2sleep0956629-21latency_hist10:50:070
89514299192136,44cyclictest893744-21kworker/u2:207:30:220
91828121900,3sleep0918284-21mailstats08:31:180
89514299188158,19cyclictest924938-21kworker/u2:009:00:030
89666221810,2sleep0896664-21sort07:15:120
89514299180150,19cyclictest909150-21kworker/u2:208:21:190
98018621760,3chrt980184-21cron12:14:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional