You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-09-06 - 10:47
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 10 highest latencies:
System rackbslot7.osadl.org (updated Sun Sep 06, 2026 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23167217014,112sleep223206-21fschecks_count19:05:152
23167217014,112sleep223206-21fschecks_count19:05:152
244849912157,45cyclictest13775-21latency_hist22:24:512
24466991182,25cyclictest32458-21/usr/sbin/munin21:10:160
24466991132,24cyclictest19462-21rm22:33:220
244669911154,47cyclictest0-21swapper/021:39:510
244669911154,47cyclictest0-21swapper/021:39:510
244669911052,51cyclictest0-21swapper/020:15:110
24466991103,6cyclictest0-21swapper/022:20:010
24466991103,24cyclictest28689-21ssh22:47:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional