You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-02 - 04:29
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 Tue Jun 02, 2026 00:44:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30942352235174,19sleep30-21swapper/319:07:293
30943462232172,20sleep10-21swapper/119:09:041
30942172227167,49sleep50-21swapper/519:07:145
30940942222167,45sleep20-21swapper/219:05:272
30942292221193,18sleep60-21swapper/619:07:246
30942602214185,18sleep70-21swapper/719:07:497
30943632213185,19sleep00-21swapper/019:09:190
30941712204175,19sleep40-21swapper/419:06:334
309461699330,4cyclictest3209670-21unix_chkpwd22:35:013
3094622993227,4cyclictest3240340-21cron23:30:005
3094614993227,4cyclictest3235218-21apt-get23:20:082
309461399321,30cyclictest3240393-21923:30:011
309461399320,31cyclictest3134833-21apt-get20:20:091
309462699310,3cyclictest3209669-21unix_chkpwd22:35:007
3094613993130,1cyclictest0-21swapper/123:15:011
309462699301,1cyclictest17850irq/4-ttyS021:30:017
3094625993028,1cyclictest3243188-21sh23:35:016
309462599301,28cyclictest0-21swapper/623:55:016
309462599300,29cyclictest0-21swapper/620:25:016
3094622993028,1cyclictest0-21swapper/521:10:015
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional