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2024-12-11 - 07:27
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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 rackcslot4.osadl.org (updated Wed Dec 11, 2024 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18287042309266,28sleep00-21swapper/019:07:290
18288852260190,56sleep10-21swapper/119:09:271
201198721110,1sleep02011985-21cat00:00:140
113399650,4rtkit-daemon1132-21rtkit-daemon20:12:510
113399640,4rtkit-daemon1132-21rtkit-daemon22:06:470
113399580,3rtkit-daemon0-21swapper/120:15:560
113399560,3rtkit-daemon0-21swapper/120:28:550
113399550,3rtkit-daemon1132-21rtkit-daemon22:00:180
113399540,3rtkit-daemon0-21swapper/122:57:350
113399520,3rtkit-daemon1132-21rtkit-daemon22:11:040
113399510,4rtkit-daemon1132-21rtkit-daemon21:50:100
113399480,3rtkit-daemon0-21swapper/120:46:581
113399480,23rtkit-daemon1829068-21cyclictest00:16:540
20109122470,4sleep10-21swapper/123:58:381
113399430,3rtkit-daemon0-21swapper/023:10:451
113399420,3rtkit-daemon1132-21rtkit-daemon21:30:061
113399390,3rtkit-daemon0-21swapper/023:39:490
113399380,4rtkit-daemon1132-21rtkit-daemon21:00:031
113399370,5rtkit-daemon1132-21rtkit-daemon00:29:401
113399370,3rtkit-daemon0-21swapper/121:11:080
113399360,4rtkit-daemon1132-21rtkit-daemon23:36:541
113399360,4rtkit-daemon1132-21rtkit-daemon23:34:050
113399360,4rtkit-daemon1132-21rtkit-daemon22:56:241
113399360,3rtkit-daemon0-21swapper/023:44:070
113399360,3rtkit-daemon0-21swapper/023:04:060
113399360,3rtkit-daemon0-21swapper/022:31:211
113399360,3rtkit-daemon0-21swapper/021:25:411
113399360,3rtkit-daemon0-21swapper/021:24:230
113399350,4rtkit-daemon1132-21rtkit-daemon23:17:090
113399350,4rtkit-daemon1132-21rtkit-daemon21:57:050
113399350,4rtkit-daemon1132-21rtkit-daemon20:25:181
113399350,3rtkit-daemon0-21swapper/021:49:490
113399340,6rtkit-daemon1991400-21sh23:33:281
113399340,4rtkit-daemon1132-21rtkit-daemon21:35:300
113399340,4rtkit-daemon1132-21rtkit-daemon00:23:421
113399340,3rtkit-daemon0-21swapper/019:20:141
113399340,2rtkit-daemon0-21swapper/022:22:130
1829077993331,1cyclictest0-21swapper/120:40:051
113399330,4rtkit-daemon1132-21rtkit-daemon00:34:141
113399330,3rtkit-daemon1132-21rtkit-daemon00:37:221
113399330,3rtkit-daemon0-21swapper/119:21:430
113399330,3rtkit-daemon0-21swapper/023:28:101
113399320,4rtkit-daemon1132-21rtkit-daemon21:13:121
113399320,4rtkit-daemon1132-21rtkit-daemon21:08:291
113399320,4rtkit-daemon1132-21rtkit-daemon20:05:590
113399320,3rtkit-daemon0-21swapper/122:47:420
113399320,3rtkit-daemon0-21swapper/120:55:220
113399320,3rtkit-daemon0-21swapper/120:44:100
113399320,3rtkit-daemon0-21swapper/119:28:260
113399320,3rtkit-daemon0-21swapper/100:33:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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