You are here: Home / Projects / OSADL QA Farm Real-time / Latency plots / 
2024-04-25 - 18:51
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 rack4slot6.osadl.org (updated Thu Apr 25, 2024 12:44:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32578521230,114pltrace0-21swapper/607:10:026
3257852990,91pltrace0-21swapper/207:09:412
2977152810,77pltrace0-21swapper/507:05:145
2977152800,71pltrace0-21swapper/107:05:171
94026652,10sleep00-21swapper/007:07:460
83926248,10sleep70-21swapper/707:06:267
97926046,10sleep30-21swapper/307:08:213
106225945,10sleep40-21swapper/407:09:184
3144452310,4pltrace0-21swapper/708:00:297
265852310,5pltrace0-21swapper/711:00:277
308802290,1sleep10-21swapper/108:58:031
308802290,1sleep10-21swapper/108:58:031
1194052290,0pltrace0-21swapper/707:25:267
2197452200,7pltrace0-21swapper/708:43:067
1945052190,6pltrace0-21swapper/711:35:007
1300991812,3cyclictest0-21swapper/310:53:393
2574952170,0pltrace0-21swapper/709:50:107
234252170,2pltrace0-21swapper/708:06:107
1456252170,11pltrace0-21swapper/609:30:176
132199171,15cyclictest0-21swapper/711:52:187
1313991711,5cyclictest0-21swapper/611:48:156
1313991711,5cyclictest0-21swapper/607:44:366
130899171,15cyclictest0-21swapper/512:11:005
130599171,8cyclictest0-21swapper/412:15:454
1296991712,3cyclictest0-21swapper/208:34:222
1296991711,5cyclictest0-21swapper/210:56:572
129199171,15cyclictest0-21swapper/109:31:361
129199170,15cyclictest0-21swapper/112:40:001
128799170,2cyclictest0-21swapper/007:36:110
1010352170,4pltrace0-21swapper/710:16:327
950552160,3pltrace0-21swapper/707:21:557
2074052160,11pltrace54-21ksoftirqd/407:45:204
1456252160,4pltrace16004-21expr09:30:123
1456252160,10pltrace0-21swapper/709:30:137
132199160,8cyclictest0-21swapper/709:29:487
132199160,6cyclictest0-21swapper/707:53:007
131399160,4cyclictest0-21swapper/609:53:166
131399160,15cyclictest0-21swapper/609:46:166
130899161,14cyclictest0-21swapper/507:45:485
130899160,8cyclictest0-21swapper/510:37:125
130899160,15cyclictest0-21swapper/509:33:455
1305991611,3cyclictest0-21swapper/412:10:334
1305991611,3cyclictest0-21swapper/409:49:434
1305991610,4cyclictest1038-21systemd-logind11:30:004
130599160,4cyclictest0-21swapper/408:23:054
130599160,15cyclictest0-21swapper/409:06:064
130599160,15cyclictest0-21swapper/409:06:064
1300991610,3cyclictest0-21swapper/311:50:473
1300991610,3cyclictest0-21swapper/307:19:353
130099160,8cyclictest0-21swapper/307:28:563
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

Valid XHTML 1.0 Transitional