You are here: Home / Technical Services / OSADL QA Farm Real-time / 
2026-08-16 - 05:17
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 Sun Aug 16, 2026 00:44:59)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2071721160,6chrt20718-21latency_hist21:00:010
1140729927,38sleep00-21swapper/019:05:120
13141998033,18cyclictest14-21ksoftirqd/021:30:110
13143997735,9cyclictest26-21ksoftirqd/123:40:401
13143997733,37cyclictest26-21ksoftirqd/123:22:581
1213427738,23sleep10-21swapper/119:05:261
13143997514,12cyclictest0-21swapper/100:10:151
1314199746,58cyclictest31562-21apt-get20:00:130
13141997437,31cyclictest14-21ksoftirqd/021:56:320
13141997436,32cyclictest14-21ksoftirqd/019:55:310
13141997428,40cyclictest14-21ksoftirqd/020:10:010
1314199726,56cyclictest22521-21apt-get21:05:120
13141997134,30cyclictest14-21ksoftirqd/020:20:120
13141997134,18cyclictest14-21ksoftirqd/000:15:130
13141997133,32cyclictest14-21ksoftirqd/020:10:330
13141997133,18cyclictest14-21ksoftirqd/022:10:210
13143996938,11cyclictest26-21ksoftirqd/123:25:471
1314199695,54cyclictest1896-21apt-get23:10:120
1314199695,54cyclictest11480-21apt-get22:05:110
13141996931,31cyclictest14-21ksoftirqd/019:45:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional