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2026-05-02 - 04:03
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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 May 02, 2026 00:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
146478724050,8sleep01464781-21perf19:10:000
146483923960,9sleep1251rcuc/119:10:011
15907322660,22sleep013-21ksoftirqd/022:50:010
179699580,4rtkit-daemon1795-21rtkit-daemon21:25:160
179699570,5rtkit-daemon1795-21rtkit-daemon21:41:370
179699560,4rtkit-daemon1795-21rtkit-daemon00:39:400
15258982540,4sleep11525899-21proc_pri21:25:211
16296952530,4sleep10-21swapper/123:40:171
15611482530,3sleep00-21swapper/022:10:550
179699520,4rtkit-daemon1795-21rtkit-daemon20:33:270
179699520,3rtkit-daemon1795-21rtkit-daemon22:16:480
179699520,3rtkit-daemon1795-21rtkit-daemon19:30:430
179699520,3rtkit-daemon0-21swapper/019:52:500
14978512510,4sleep10-21swapper/120:30:141
179699500,4rtkit-daemon1795-21rtkit-daemon21:16:140
179699500,4rtkit-daemon1795-21rtkit-daemon21:12:290
179699500,4rtkit-daemon1795-21rtkit-daemon00:18:581
179699500,3rtkit-daemon1795-21rtkit-daemon22:36:271
179699500,3rtkit-daemon1795-21rtkit-daemon19:38:170
179699480,3rtkit-daemon0-21swapper/021:05:210
179699470,4rtkit-daemon1795-21rtkit-daemon19:47:230
179699470,3rtkit-daemon1795-21rtkit-daemon21:48:191
179699450,3rtkit-daemon1795-21rtkit-daemon21:40:161
179699450,3rtkit-daemon1795-21rtkit-daemon20:21:040
179699430,3rtkit-daemon0-21swapper/021:01:150
179699430,1rtkit-daemon1795-21rtkit-daemon20:42:301
179699420,4rtkit-daemon1795-21rtkit-daemon21:23:160
179699420,3rtkit-daemon0-21swapper/123:31:160
179699420,1rtkit-daemon1795-21rtkit-daemon20:49:411
179699420,1rtkit-daemon1795-21rtkit-daemon19:29:521
179699410,4rtkit-daemon1795-21rtkit-daemon21:54:060
179699410,4rtkit-daemon1795-21rtkit-daemon20:53:030
179699410,3rtkit-daemon0-21swapper/122:36:410
179699410,1rtkit-daemon1795-21rtkit-daemon22:05:291
179699410,1rtkit-daemon1795-21rtkit-daemon19:55:381
179699410,1rtkit-daemon1795-21rtkit-daemon19:42:541
179699410,1rtkit-daemon1795-21rtkit-daemon19:33:421
179699410,1rtkit-daemon1795-21rtkit-daemon19:21:371
16676902410,4sleep10-21swapper/100:30:241
179699400,4rtkit-daemon1795-21rtkit-daemon20:58:290
179699400,4rtkit-daemon1795-21rtkit-daemon00:01:290
179699400,3rtkit-daemon1795-21rtkit-daemon22:06:000
179699400,3rtkit-daemon0-21swapper/100:30:200
179699400,1rtkit-daemon1795-21rtkit-daemon23:58:271
179699400,1rtkit-daemon1795-21rtkit-daemon21:09:051
15672322400,2sleep11567217-21apt-get22:20:141
179699390,3rtkit-daemon1795-21rtkit-daemon20:48:490
179699390,3rtkit-daemon1795-21rtkit-daemon19:20:480
179699390,1rtkit-daemon1795-21rtkit-daemon20:03:281
179699390,1rtkit-daemon1795-21rtkit-daemon20:03:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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