You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-11-13 - 23:27
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 rackeslot3.osadl.org (updated Wed Nov 13, 2024 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
293242399650,4cyclictest0-21swapper/107:34:431
293242399641,2cyclictest0-21swapper/112:30:121
2932423996361,1cyclictest0-21swapper/108:18:121
2932423996058,1cyclictest0-21swapper/111:44:211
2932423996043,16cyclictest3033472-21kworker/1:212:25:001
2932423996043,16cyclictest2974233-21kworker/1:209:35:191
2932423996040,19cyclictest2974233-21kworker/1:210:00:171
2932423996039,19cyclictest3015676-21kworker/1:011:35:141
2932423996038,20cyclictest869263-1kworker/1:0H09:00:001
2932423996035,23cyclictest869263-1kworker/1:0H11:00:011
2932423995944,14cyclictest2974233-21kworker/1:209:20:011
2932423995940,18cyclictest869263-1kworker/1:0H11:15:011
2932423995937,21cyclictest2974233-21kworker/1:210:15:131
2932423995855,2cyclictest0-21swapper/107:17:101
2932423995843,14cyclictest3023691-21kworker/1:211:50:011
2932423995843,14cyclictest3023691-21kworker/1:211:45:121
2932423995843,14cyclictest2964775-21kworker/1:108:49:551
2932423995843,14cyclictest2962625-21kworker/1:008:40:161
2932423995843,14cyclictest2949607-21kworker/1:008:00:141
2932423995843,14cyclictest2936401-21kworker/1:107:40:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional