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2026-03-30 - 12:47
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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 Mon Mar 30, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1068911000,4ptp4l401ktimersoftd/320:06:493
289732830,2sleep00-21swapper/023:25:510
106891710,1ptp4l401ktimersoftd/300:46:373
106891700,1ptp4l401ktimersoftd/301:11:433
112692670,3sleep00-21swapper/023:09:170
73442630,5sleep26367-21/usr/sbin/munin01:14:582
262722630,2sleep2321ktimersoftd/200:29:372
23960996147,7cyclictest9-21ksoftirqd/001:09:490
23960996048,7cyclictest9-21ksoftirqd/020:49:420
23960995947,5cyclictest9-21ksoftirqd/021:09:440
23960995947,5cyclictest9-21ksoftirqd/021:09:440
23960995848,5cyclictest9-21ksoftirqd/023:39:470
237392584,43sleep00-21swapper/020:07:590
23960995744,6cyclictest9-21ksoftirqd/001:24:500
236532574,10sleep10-21swapper/120:06:511
194782560,2sleep10-21swapper/123:49:491
243812550,2sleep30-21swapper/323:54:493
23960995546,4cyclictest9-21ksoftirqd/000:34:480
23960995546,4cyclictest9-21ksoftirqd/000:34:480
23960995544,5cyclictest9-21ksoftirqd/022:19:450
106891550,1ptp4l401ktimersoftd/321:25:373
23965995229,13cyclictest47050irq/101-ens3-Tx23:44:491
232482510,1sleep10-21swapper/121:14:321
232482510,1sleep10-21swapper/121:14:321
106891510,1ptp4l401ktimersoftd/300:29:073
23960995039,5cyclictest9-21ksoftirqd/000:29:480
106891500,11ptp4l14468-21kworker/3:022:58:193
23960994939,5cyclictest9-21ksoftirqd/022:59:470
197042480,1sleep00-21swapper/000:22:240
23960994616,15cyclictest9-21ksoftirqd/000:54:550
106891460,2ptp4l14468-21kworker/3:022:40:403
106891460,1ptp4l401ktimersoftd/323:17:053
106891460,1ptp4l401ktimersoftd/301:35:543
23960994335,3cyclictest9-21ksoftirqd/023:09:460
106891430,0ptp4l401ktimersoftd/300:34:223
23960994236,3cyclictest9-21ksoftirqd/023:59:410
2396099416,4cyclictest9-21ksoftirqd/022:34:510
23965994028,7cyclictest25-21ksoftirqd/100:54:491
106891400,1ptp4l401ktimersoftd/323:04:493
106891400,1ptp4l401ktimersoftd/322:49:463
106891400,1ptp4l401ktimersoftd/322:49:463
106891400,1ptp4l401ktimersoftd/300:34:573
106891400,1ptp4l401ktimersoftd/300:34:573
106891390,1ptp4l401ktimersoftd/323:43:243
106891390,1ptp4l401ktimersoftd/323:00:593
106891390,1ptp4l401ktimersoftd/322:19:073
106891390,1ptp4l401ktimersoftd/301:29:533
23960993833,3cyclictest9-21ksoftirqd/000:44:480
2396099382,7cyclictest121rcu_preempt22:59:350
106891380,1ptp4l401ktimersoftd/323:54:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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