You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-03-26 - 02:53
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 Wed Mar 25, 2026 12:46:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
365012991391,19cyclictest0-21swapper/409:40:154
36501099800,60cyclictest485552-21seq10:47:282
365011997051,18cyclictest0-21swapper/307:20:213
365010997033,2cyclictest0-21swapper/207:41:102
365010997032,2cyclictest0-21swapper/210:04:262
365010996910,58cyclictest483046-21awk10:45:002
365010996810,39cyclictest473326-21if_eno410:25:152
36501099679,39cyclictest408630-21taskset08:27:002
36501099678,39cyclictest540634-21taskset12:27:482
36501099678,19cyclictest0-21swapper/211:02:562
36501099657,39cyclictest515113-21/usr/sbin/munin11:40:192
36501099613,39cyclictest425594-21munin-run09:00:022
36501099612,58cyclictest510098-21/usr/sbin/munin11:30:212
36501599603,38cyclictest0-21swapper/711:30:157
365010996022,20cyclictest366642-21ntp_states07:10:202
365010995919,39cyclictest876-21mta-sts-daemon11:09:482
365011995638,18cyclictest0-21swapper/309:40:153
365011995637,19cyclictest0-21swapper/311:30:153
365010995517,19cyclictest1827-21cron12:17:002
36500999550,54cyclictest0-21swapper/108:55:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional