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2025-11-09 - 01:36
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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 Sat Nov 08, 2025 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39052082262222,26sleep10-21swapper/107:07:081
39050802240178,47sleep00-21swapper/007:05:440
409587321480,4sleep04095870-21ssh12:10:200
125899610,6rtkit-daemon1257-21rtkit-daemon12:05:141
125899550,4rtkit-daemon1257-21rtkit-daemon07:20:231
125899520,4rtkit-daemon1257-21rtkit-daemon09:52:061
125899510,4rtkit-daemon1257-21rtkit-daemon09:06:080
125899500,4rtkit-daemon1257-21rtkit-daemon07:52:171
39597152480,4sleep00-21swapper/009:15:250
125899480,4rtkit-daemon1257-21rtkit-daemon09:33:391
125899480,3rtkit-daemon1257-21rtkit-daemon11:02:520
125899470,4rtkit-daemon1257-21rtkit-daemon10:45:340
125899440,4rtkit-daemon1257-21rtkit-daemon07:41:120
125899410,5rtkit-daemon4054426-21irqstats11:15:201
125899410,3rtkit-daemon0-21swapper/009:41:350
125899400,5rtkit-daemon4026091-21appstreamcli10:40:051
125899400,3rtkit-daemon1257-21rtkit-daemon09:47:510
125899400,3rtkit-daemon0-21swapper/011:37:020
125899390,5rtkit-daemon3989950-21munin-run09:55:010
125899390,3rtkit-daemon1257-21rtkit-daemon09:36:051
125899390,3rtkit-daemon0-21swapper/110:39:051
125899390,3rtkit-daemon0-21swapper/109:22:291
125899380,5rtkit-daemon4004431-21ssh10:12:350
125899380,3rtkit-daemon0-21swapper/109:48:461
125899380,3rtkit-daemon0-21swapper/011:41:440
125899380,3rtkit-daemon0-21swapper/010:57:460
125899380,3rtkit-daemon0-21swapper/010:57:460
125899370,3rtkit-daemon0-21swapper/109:25:351
125899370,3rtkit-daemon0-21swapper/009:21:260
39269702360,2sleep13926969-21switchtime08:00:251
125899360,4rtkit-daemon1257-21rtkit-daemon10:28:071
125899360,3rtkit-daemon0-21swapper/112:16:551
125899360,3rtkit-daemon0-21swapper/011:45:511
125899360,3rtkit-daemon0-21swapper/008:35:550
125899350,5rtkit-daemon4045819-21/usr/sbin/munin11:05:251
125899350,4rtkit-daemon1257-21rtkit-daemon12:37:151
125899350,4rtkit-daemon1257-21rtkit-daemon12:24:151
125899350,4rtkit-daemon1257-21rtkit-daemon10:52:170
125899350,4rtkit-daemon1257-21rtkit-daemon09:58:261
125899350,4rtkit-daemon1257-21rtkit-daemon09:00:190
125899350,3rtkit-daemon0-21swapper/109:37:580
125899350,3rtkit-daemon0-21swapper/008:14:201
125899350,3rtkit-daemon0-21swapper/007:18:221
125899340,4rtkit-daemon1257-21rtkit-daemon12:13:481
125899340,4rtkit-daemon1257-21rtkit-daemon11:47:440
125899340,4rtkit-daemon1257-21rtkit-daemon11:06:140
125899340,4rtkit-daemon1257-21rtkit-daemon08:55:530
125899340,4rtkit-daemon1257-21rtkit-daemon08:28:151
125899340,3rtkit-daemon0-21swapper/111:59:200
125899340,3rtkit-daemon0-21swapper/110:08:470
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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