You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-07-13 - 23:59
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 rack0slot5.osadl.org (updated Sat Jul 13, 2024 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
366163599860859,1cyclictest0-21swapper/300:20:509
366165999837305,43cyclictest3834580-21sshd22:55:492
366165999837305,43cyclictest3834580-21sshd22:55:492
366167399550548,2cyclictest3621905-21kworker/14:1+i915-unordered01:10:516
3661673995464,541cyclictest0-21swapper/1400:02:066
366166899533532,1cyclictest3610259-21kworker/12:2+events22:54:274
366166899533532,1cyclictest3610259-21kworker/12:2+events22:54:274
3661635995331,24cyclictest0-21swapper/321:14:289
366162899532532,0cyclictest3727931-21kworker/1:1+events22:36:301
366162899532531,1cyclictest0-21swapper/123:51:511
3661673995246,26cyclictest0-21swapper/1423:48:066
36616489952421,1cyclictest0-21swapper/723:29:2813
36616289952420,504cyclictest0-21swapper/120:40:271
36616459952217,504cyclictest0-21swapper/600:12:5012
36616549952115,505cyclictest0-21swapper/923:30:5115
36616489952016,503cyclictest0-21swapper/722:13:5013
36616359951912,507cyclictest0-21swapper/300:32:069
36616259951914,504cyclictest0-21swapper/000:02:060
366165099518518,0cyclictest3792200-21kworker/8:2+events23:15:4914
36616359951814,504cyclictest0-21swapper/323:54:069
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional