You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-06-22 - 07:46
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 rack3slot6.osadl.org (updated Mon Jun 22, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3233321240,6chrt31481-21/usr/sbin/munin21:05:351
3233321240,6chrt31481-21/usr/sbin/munin21:05:351
221119910713,18cyclictest0-21swapper/023:05:130
22111999812,47cyclictest0-21swapper/023:15:120
2192029715,38sleep00-21swapper/019:09:250
22111999064,13cyclictest14-21ksoftirqd/023:55:130
22111999062,18cyclictest14-21ksoftirqd/020:55:130
264762880,5chrt0-21swapper/122:20:241
22111998865,12cyclictest14-21ksoftirqd/020:35:210
22111998658,18cyclictest14-21ksoftirqd/023:20:250
2211399846,72cyclictest0-21swapper/122:32:541
22111998454,19cyclictest14-21ksoftirqd/021:55:120
2211399836,23cyclictest20699-21apt-get22:05:141
22111998354,18cyclictest14-21ksoftirqd/022:40:140
22111998354,18cyclictest14-21ksoftirqd/019:40:140
22111998255,17cyclictest14-21ksoftirqd/022:25:140
22111998254,19cyclictest14-21ksoftirqd/000:20:140
22111998254,18cyclictest14-21ksoftirqd/023:40:140
2211399806,25cyclictest13147-21apt-get23:15:121
22111998055,14cyclictest14-21ksoftirqd/023:50:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional