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2024-06-16 - 22:45
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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 rack1slot3.osadl.org (updated Sun Jun 16, 2024 12:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3637322991414,0cyclictest0-21swapper/309:30:223
363732299130,12cyclictest0-21swapper/309:10:123
363732299120,12cyclictest0-21swapper/308:30:113
363732299120,11cyclictest0-21swapper/311:45:113
3637322991111,0cyclictest0-21swapper/311:40:143
3637322991111,0cyclictest0-21swapper/310:55:103
363732299110,0cyclictest0-21swapper/310:55:023
3637322991010,0cyclictest0-21swapper/312:15:133
3637322991010,0cyclictest0-21swapper/311:30:113
3637322991010,0cyclictest0-21swapper/309:55:143
3637322991010,0cyclictest0-21swapper/308:20:133
3637322991010,0cyclictest0-21swapper/307:25:013
363732299100,10cyclictest0-21swapper/311:55:013
363732299100,10cyclictest0-21swapper/310:25:133
363732299100,10cyclictest0-21swapper/310:25:123
363732299100,10cyclictest0-21swapper/310:10:263
363732299100,10cyclictest0-21swapper/308:50:133
363732299100,10cyclictest0-21swapper/307:10:143
363732299100,0cyclictest0-21swapper/309:15:263
36373229999,0cyclictest0-21swapper/311:20:133
36373229999,0cyclictest0-21swapper/308:57:263
36373229997,1cyclictest0-21swapper/309:50:093
36373229990,9cyclictest0-21swapper/307:30:013
36373229990,0cyclictest0-21swapper/309:05:283
36373229988,0cyclictest0-21swapper/308:16:453
36373229988,0cyclictest0-21swapper/307:30:353
36373229980,8cyclictest0-21swapper/307:15:003
36373229980,0cyclictest0-21swapper/310:35:193
13129880,3rtkit-daemon2121-21packagekitd07:06:481
3753782270,0sleep13753801-21apt-get11:50:011
36373229977,0cyclictest0-21swapper/311:35:143
36373229977,0cyclictest0-21swapper/310:40:223
36373229977,0cyclictest0-21swapper/310:30:233
36373229977,0cyclictest0-21swapper/310:25:013
36373229970,7cyclictest0-21swapper/309:00:113
36373229966,0cyclictest0-21swapper/312:35:133
36373229966,0cyclictest0-21swapper/311:15:143
36373229966,0cyclictest0-21swapper/311:09:143
36373229966,0cyclictest0-21swapper/311:00:313
36373229966,0cyclictest0-21swapper/307:51:323
36373229966,0cyclictest0-21swapper/307:45:103
36373229965,0cyclictest0-21swapper/311:10:113
3635627260,4sleep30-21swapper/307:05:153
3766383250,1sleep03766389-21ssh12:16:450
36373229955,0cyclictest0-21swapper/310:18:233
36373229955,0cyclictest0-21swapper/310:05:003
36373229955,0cyclictest0-21swapper/309:20:283
36373229950,5cyclictest0-21swapper/307:40:293
36373229950,4cyclictest0-21swapper/307:35:153
3637166252,2sleep20-21swapper/207:09:582
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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