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2026-05-13 - 10:32
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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 Wed May 13, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
548522460,6sleep00-21swapper/020:29:120
2445521810,3sleep3688999cyclictest23:30:483
1068911600,4ptp4l401ktimersoftd/320:33:433
106891940,1ptp4l401ktimersoftd/322:55:483
106891720,1ptp4l401ktimersoftd/300:44:563
198322650,4sleep1687299cyclictest23:59:251
67412644,10sleep20-21swapper/220:33:472
106891640,1ptp4l401ktimersoftd/301:54:103
106891640,1ptp4l401ktimersoftd/301:35:233
126042620,2sleep00-21swapper/000:59:180
115272600,5sleep0686499cyclictest01:32:140
106891570,2ptp4l17508-21kworker/3:100:36:333
106891570,1ptp4l401ktimersoftd/323:52:043
106891540,1ptp4l401ktimersoftd/322:40:093
143291530,2getstats0-21swapper/300:49:083
106891530,1ptp4l401ktimersoftd/300:06:063
6872995123,9cyclictest25-21ksoftirqd/123:04:111
687299501,8cyclictest14941-21apt-get00:29:021
106891500,1ptp4l401ktimersoftd/301:02:093
6872994928,13cyclictest25-21ksoftirqd/101:28:591
106891490,1ptp4l401ktimersoftd/301:06:393
106891490,1ptp4l401ktimersoftd/301:06:393
6872994824,8cyclictest25-21ksoftirqd/121:19:091
6872994824,4cyclictest25-21ksoftirqd/100:04:191
106891480,14ptp4l4358-21kworker/3:223:47:473
6872994723,4cyclictest25-21ksoftirqd/123:10:581
6872994720,4cyclictest25-21ksoftirqd/100:49:551
106891470,1ptp4l401ktimersoftd/322:46:093
687299466,7cyclictest25-21ksoftirqd/101:14:101
6872994625,8cyclictest25-21ksoftirqd/120:33:521
6872994622,4cyclictest25-21ksoftirqd/122:59:081
6872994622,4cyclictest25-21ksoftirqd/100:24:281
106891460,1ptp4l401ktimersoftd/322:35:403
6872994521,4cyclictest25-21ksoftirqd/100:09:561
6872994520,4cyclictest25-21ksoftirqd/123:33:561
6872994520,4cyclictest25-21ksoftirqd/123:24:181
6872994519,4cyclictest25-21ksoftirqd/101:59:171
6872994512,8cyclictest25-21ksoftirqd/100:14:201
106891450,0ptp4l401ktimersoftd/321:47:073
6872994434,3cyclictest25-21ksoftirqd/100:54:241
6872994422,3cyclictest25-21ksoftirqd/100:35:051
6872994421,7cyclictest25-21ksoftirqd/101:44:171
6872994421,4cyclictest25-21ksoftirqd/122:35:361
6872994420,4cyclictest25-21ksoftirqd/101:49:271
6872994420,4cyclictest25-21ksoftirqd/101:09:211
6872994419,4cyclictest25-21ksoftirqd/123:19:251
6872994419,4cyclictest25-21ksoftirqd/123:19:251
6872994417,9cyclictest25-21ksoftirqd/122:44:101
687299440,32cyclictest233-21systemd-journal23:53:561
106891440,0ptp4l401ktimersoftd/300:26:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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