You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-05-25 - 07:44
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 50 highest latencies:
System rack8slot4.osadl.org (updated Sat May 25, 2024 00:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28673762230196,23sleep10-21swapper/119:06:121
28674252226169,19sleep30-21swapper/319:06:543
28675012223170,18sleep20-21swapper/219:07:582
28674792222167,19sleep70-21swapper/719:07:397
28674562221192,19sleep40-21swapper/419:07:204
28675892209178,19sleep60-21swapper/619:09:156
28673802209178,19sleep50-21swapper/519:06:165
28671262207158,38sleep00-21swapper/019:05:470
2867833993333,0cyclictest0-21swapper/300:25:153
2867826993229,2cyclictest2978266-21latency_hist22:25:021
2867838993127,3cyclictest2897345-21apt20:00:015
286782499310,30cyclictest2930576-21cron21:00:010
286782499310,29cyclictest0-21swapper/000:00:010
2867844993027,2cyclictest3986377-21systemd-journal19:20:007
286784499300,2cyclictest3986377-21systemd-journal19:55:017
286784499300,29cyclictest668-21mta-sts-daemon21:30:187
286784299300,29cyclictest0-21swapper/622:10:026
286784299300,29cyclictest0-21swapper/619:30:186
286784299300,29cyclictest0-21swapper/600:15:196
286783899300,29cyclictest661-21dbus-daemon19:20:015
286783899300,29cyclictest2919503-21cron20:40:015
286783899300,29cyclictest2919503-21cron20:40:005
286783899300,29cyclictest2894575-21sh19:55:005
2867833993028,1cyclictest3011772-21latency_hist23:25:013
286783399300,1cyclictest3034028-21cron00:05:013
286783399300,1cyclictest0-21swapper/319:40:193
2867831993027,2cyclictest2972713-21sh22:15:022
286783199300,29cyclictest2900125-21sh20:05:012
286783199300,29cyclictest2870973-21munin-node19:15:012
286783199300,29cyclictest2870739-21awk19:15:002
2867826993027,2cyclictest0-21swapper/100:20:011
2867826993026,3cyclictest3053398-21sh00:40:001
286782499300,29cyclictest2981031-21sh22:30:020
286782499300,29cyclictest0-21swapper/000:20:200
286784499290,28cyclictest0-21swapper/700:35:197
286784499290,1cyclictest2919496-21cron20:40:017
286784499290,1cyclictest2919496-21cron20:40:017
2867842992927,1cyclictest2886254-21cron19:40:016
2867842992926,3cyclictest0-21swapper/621:45:196
286784299290,28cyclictest0-21swapper/622:55:196
286784299290,28cyclictest0-21swapper/621:50:196
286783899290,28cyclictest0-21swapper/523:45:195
286783699290,28cyclictest0-21swapper/423:30:184
286783399290,28cyclictest0-21swapper/320:45:163
286783399290,1cyclictest0-21swapper/321:35:173
286783199290,28cyclictest2964588-21apt-get22:00:182
286783199290,28cyclictest0-21swapper/223:25:182
286783199290,28cyclictest0-21swapper/221:55:172
286783199290,28cyclictest0-21swapper/220:40:012
286783199290,28cyclictest0-21swapper/220:40:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional