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2026-03-29 - 08:37
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rackbslot6.osadl.org (updated Sun Mar 29, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
155721850,5sleep1665199cyclictest01:26:431
235521640,4sleep1665199cyclictest00:22:151
1922821570,3sleep1665199cyclictest20:33:591
106891990,3ptp4l401ktimersoftd/320:07:543
106891840,1ptp4l401ktimersoftd/300:17:553
3952700,3sleep10-21swapper/123:14:221
176352670,4sleep2311rcuc/201:09:332
106891650,1ptp4l401ktimersoftd/322:04:163
664599591,25cyclictest31274-21/usr/sbin/munin00:19:340
149092570,5sleep0664599cyclictest01:07:470
664599560,24cyclictest32226-21diskmemload01:11:140
126572550,2sleep10-21swapper/123:26:381
6645995425,25cyclictest1260-21/usr/sbin/munin23:14:320
62632504,34sleep20-21swapper/220:05:202
664599481,41cyclictest0-21swapper/020:08:590
664599463,34cyclictest19950-21apt-get22:29:130
106891460,1ptp4l401ktimersoftd/323:39:573
664599453,33cyclictest3854-21apt-get00:24:160
106891450,0ptp4l401ktimersoftd/300:30:233
664599441,35cyclictest23549-21apt-get00:44:180
106891440,1ptp4l401ktimersoftd/323:16:363
664599422,37cyclictest25572-21cat01:19:060
664599410,26cyclictest16375-21users20:24:290
664599403,32cyclictest30881-21apt-get01:24:170
664599402,31cyclictest19403-21apt-get23:34:140
664599402,31cyclictest13353-21apt-get21:29:120
664599401,33cyclictest0-21swapper/001:34:190
664599401,32cyclictest5160-21apt-get22:14:150
664599401,32cyclictest25963-21apt-get01:19:190
664599400,2cyclictest0-21swapper/020:44:180
6651993929,6cyclictest21020-21ssh01:14:171
106891390,1ptp4l401ktimersoftd/301:07:003
106891390,0ptp4l401ktimersoftd/323:49:313
664599382,30cyclictest954-21apt-get00:54:190
664599382,30cyclictest15715-21apt-get21:34:120
664599381,32cyclictest14485-21apt-get23:29:140
664599381,32cyclictest0-21swapper/023:44:150
664599381,30cyclictest26745-21apt-get20:49:120
106891380,1ptp4l401ktimersoftd/323:54:133
106891380,1ptp4l401ktimersoftd/323:09:343
106891380,1ptp4l401ktimersoftd/322:35:113
106891380,1ptp4l401ktimersoftd/322:18:293
106891380,1ptp4l401ktimersoftd/321:55:483
106891380,1ptp4l401ktimersoftd/301:37:343
106891380,1ptp4l401ktimersoftd/301:19:083
106891380,1ptp4l401ktimersoftd/301:15:303
106891380,1ptp4l401ktimersoftd/300:48:013
106891380,1ptp4l401ktimersoftd/300:12:413
106891380,1ptp4l401ktimersoftd/300:02:003
106891380,0ptp4l401ktimersoftd/322:46:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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