You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-21 - 10:03
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 Thu May 21, 2026 00:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3836940999416,59cyclictest3965181-21unixbench_multi23:00:233
383694099919,79cyclictest0-21swapper/322:46:513
3836940997776,0cyclictest3968487-21apt-config23:10:013
3836938997739,19cyclictest331ktimers/119:15:151
3836940997031,38cyclictest3894577-21/usr/sbin/munin20:55:183
3836940996931,19cyclictest0-21swapper/300:07:593
3836940995919,39cyclictest3958124-21df_inode22:50:133
383694099590,19cyclictest0-21swapper/321:20:443
3836940995818,19cyclictest0-21swapper/322:05:123
383694099580,56cyclictest0-21swapper/300:17:453
383694099580,18cyclictest0-21swapper/321:25:533
383694099580,18cyclictest0-21swapper/321:11:013
383694099570,38cyclictest362-21jbd2/sda2-800:25:073
383694099570,17cyclictest0-21swapper/322:40:093
383694099570,17cyclictest0-21swapper/322:28:533
383694099570,17cyclictest0-21swapper/320:34:053
383694099570,17cyclictest0-21swapper/320:34:053
383694099570,17cyclictest0-21swapper/320:16:283
3836940995638,18cyclictest0-21swapper/323:33:303
3836940995619,16cyclictest0-21swapper/300:20:373
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional