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2024-04-25 - 07:43
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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 Thu Apr 25, 2024 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13875532275193,27sleep00-21swapper/019:07:080
13877642265181,20sleep10-21swapper/119:09:271
138792599237232,3cyclictest1393056-21kworker/u8:219:26:591
159199590,4rtkit-daemon1590-21rtkit-daemon00:23:250
14479512560,3sleep00-21swapper/021:33:360
159199520,4rtkit-daemon1590-21rtkit-daemon23:05:361
159199470,3rtkit-daemon0-21swapper/022:40:170
15380972470,1chrt1538100-21grep23:50:210
15220402440,4sleep00-21swapper/023:25:200
159199380,6rtkit-daemon1518813-21ntp_states23:20:230
159199380,3rtkit-daemon0-21swapper/119:12:411
159199380,3rtkit-daemon0-21swapper/100:29:581
159199370,3rtkit-daemon0-21swapper/021:35:321
159199360,5rtkit-daemon1590-21rtkit-daemon20:00:240
159199360,4rtkit-daemon1590-21rtkit-daemon00:25:310
159199360,4rtkit-daemon1590-21rtkit-daemon00:08:250
159199360,3rtkit-daemon0-21swapper/122:53:501
159199360,3rtkit-daemon0-21swapper/022:16:020
159199360,3rtkit-daemon0-21swapper/021:03:410
159199360,3rtkit-daemon0-21swapper/020:46:360
159199360,3rtkit-daemon0-21swapper/020:10:310
159199350,4rtkit-daemon1590-21rtkit-daemon22:47:220
159199350,4rtkit-daemon1590-21rtkit-daemon00:14:440
159199350,4rtkit-daemon1590-21rtkit-daemon00:02:361
159199350,3rtkit-daemon0-21swapper/122:08:121
159199350,3rtkit-daemon0-21swapper/023:34:170
159199350,3rtkit-daemon0-21swapper/022:18:351
159199350,3rtkit-daemon0-21swapper/021:40:330
159199350,3rtkit-daemon0-21swapper/021:25:570
159199350,3rtkit-daemon0-21swapper/021:21:421
159199350,3rtkit-daemon0-21swapper/021:20:320
159199340,4rtkit-daemon0-21swapper/019:53:491
159199340,3rtkit-daemon1590-21rtkit-daemon23:58:331
159199340,3rtkit-daemon1590-21rtkit-daemon22:21:180
159199340,3rtkit-daemon0-21swapper/119:35:201
159199340,3rtkit-daemon0-21swapper/022:25:300
159199340,3rtkit-daemon0-21swapper/022:14:150
159199340,3rtkit-daemon0-21swapper/021:52:561
159199340,3rtkit-daemon0-21swapper/021:50:000
159199340,3rtkit-daemon0-21swapper/021:13:121
1387925993429,3cyclictest26-21ksoftirqd/121:45:011
159199330,4rtkit-daemon1590-21rtkit-daemon23:19:100
159199330,4rtkit-daemon0-21swapper/123:12:450
159199330,3rtkit-daemon1590-21rtkit-daemon23:43:161
159199330,3rtkit-daemon0-21swapper/020:36:240
159199330,3rtkit-daemon0-21swapper/000:05:451
159199320,4rtkit-daemon1590-21rtkit-daemon19:41:151
159199320,4rtkit-daemon1590-21rtkit-daemon00:37:050
159199320,3rtkit-daemon1590-21rtkit-daemon21:13:050
159199320,3rtkit-daemon0-21swapper/119:32:201
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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