You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-12 - 03:53
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 rackfslot7.osadl.org (updated Tue May 12, 2026 00:46:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1483813997314,20cyclictest0-21swapper/400:00:154
1483813997234,19cyclictest1086-21runrttasks23:05:564
1483813997031,39cyclictest0-21swapper/420:33:444
1483813996931,38cyclictest0-21swapper/419:47:284
1483813996930,39cyclictest0-21swapper/420:37:494
1483813996829,39cyclictest0-21swapper/423:17:444
1483813996627,39cyclictest1086-21runrttasks20:05:404
148381399646,39cyclictest1522627-21/usr/sbin/munin20:20:184
1483813996423,19cyclictest1536414-21cat20:45:024
148381399635,39cyclictest1521162-21ntp_states20:15:224
148381399613,0cyclictest0-21swapper/419:25:184
148381399602,39cyclictest1600852-21ntpq22:40:204
1483813995920,0cyclictest0-21swapper/419:55:144
148381399580,57cyclictest0-21swapper/422:59:504
1483813995719,38cyclictest0-21swapper/422:47:364
1483813995719,38cyclictest0-21swapper/422:47:364
1483813995719,0cyclictest1556226-21grep21:20:144
1483813995715,19cyclictest1639516-21sensors23:50:224
148381399570,57cyclictest0-21swapper/423:11:424
148381499560,16cyclictest0-21swapper/522:00:185
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional