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2026-05-11 - 03:16
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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
Characteristics of the 50 highest latencies:
System rackcslot4.osadl.org (updated Mon May 11, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17265602246188,44sleep10-21swapper/119:07:161
17264462239197,28sleep00-21swapper/019:06:010
18596902590,2sleep01858865-21/usr/sbin/munin23:00:220
179699560,4rtkit-daemon1795-21rtkit-daemon23:06:451
179699540,4rtkit-daemon1795-21rtkit-daemon23:02:191
179699540,3rtkit-daemon1795-21rtkit-daemon00:19:021
179699530,6rtkit-daemon1795-21rtkit-daemon20:25:140
179699530,1rtkit-daemon1795-21rtkit-daemon21:25:120
179699520,9rtkit-daemon0-21swapper/020:37:240
179699520,3rtkit-daemon1795-21rtkit-daemon23:45:180
179699520,3rtkit-daemon1795-21rtkit-daemon19:40:191
179699510,4rtkit-daemon1795-21rtkit-daemon00:02:411
179699500,3rtkit-daemon1795-21rtkit-daemon21:50:201
179699500,3rtkit-daemon0-21swapper/020:45:430
179699480,3rtkit-daemon0-21swapper/020:43:490
179699480,3rtkit-daemon0-21swapper/020:19:040
179699480,3rtkit-daemon0-21swapper/019:14:010
179699470,3rtkit-daemon1795-21rtkit-daemon23:42:381
179699470,3rtkit-daemon1795-21rtkit-daemon21:53:090
179699470,3rtkit-daemon1795-21rtkit-daemon21:30:111
179699470,3rtkit-daemon1795-21rtkit-daemon19:26:111
179699470,1rtkit-daemon1795-21rtkit-daemon00:12:570
179699460,3rtkit-daemon1795-21rtkit-daemon19:23:590
179699460,3rtkit-daemon0-21swapper/020:07:520
179699460,3rtkit-daemon0-21swapper/019:47:050
179699450,4rtkit-daemon1795-21rtkit-daemon23:27:020
179699450,1rtkit-daemon1795-21rtkit-daemon23:12:030
179699440,4rtkit-daemon1795-21rtkit-daemon22:17:360
179699440,1rtkit-daemon1795-21rtkit-daemon19:31:350
179699440,17rtkit-daemon1795-21rtkit-daemon19:57:060
19255082430,4sleep01726976-21cyclictest00:29:470
179699430,3rtkit-daemon0-21swapper/022:00:211
179699430,3rtkit-daemon0-21swapper/019:47:241
179699430,1rtkit-daemon1795-21rtkit-daemon23:41:210
179699430,1rtkit-daemon1795-21rtkit-daemon21:57:170
179699430,1rtkit-daemon1795-21rtkit-daemon19:36:310
179699420,3rtkit-daemon1795-21rtkit-daemon22:55:040
179699420,3rtkit-daemon0-21swapper/021:04:201
179699420,1rtkit-daemon1795-21rtkit-daemon21:24:160
179699410,3rtkit-daemon0-21swapper/119:19:011
179699410,1rtkit-daemon1795-21rtkit-daemon22:48:170
18725032400,3chrt0-21swapper/023:16:250
179699400,4rtkit-daemon1795-21rtkit-daemon23:19:201
179699400,4rtkit-daemon0-21swapper/020:53:561
179699400,3rtkit-daemon1795-21rtkit-daemon22:28:041
179699400,3rtkit-daemon0-21swapper/021:08:041
179699390,3rtkit-daemon1795-21rtkit-daemon23:31:511
179699390,3rtkit-daemon1795-21rtkit-daemon21:55:521
179699390,3rtkit-daemon1795-21rtkit-daemon21:36:581
179699390,3rtkit-daemon0-21swapper/021:45:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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