You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-05-20 - 22:38
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 rackfslot7.osadl.org (updated Wed May 20, 2026 12:46:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1181870997739,19cyclictest1343879-21needreboot12:00:191
1181870997153,18cyclictest781-21mta-sts-daemon08:04:311
1181870997133,19cyclictest1272058-21processes09:50:211
1181870997011,40cyclictest1291272-21ntpq10:25:191
1181870996930,19cyclictest0-21swapper/111:15:151
1181870996425,39cyclictest0-21swapper/107:57:031
118187099624,39cyclictest1261041-21ntpq09:30:211
1181870995839,19cyclictest331ktimers/108:09:551
1181870995819,19cyclictest877-21mta-sts-daemon12:34:261
1181873995719,38cyclictest601ktimers/407:55:174
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional