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2026-07-07 - 03:32
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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 Tue Jul 07, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
311121630,5sleep22117899cyclictest01:04:442
2300521530,5sleep22117899cyclictest21:09:292
1514421440,4sleep32118499cyclictest01:17:493
1068911290,7ptp4l18594-21kworker/3:020:59:313
218912680,3sleep2321ktimersoftd/200:51:152
106891670,1ptp4l401ktimersoftd/323:30:423
21178996511,24cyclictest12327-21diskmemload00:43:522
192702650,8sleep10-21swapper/120:59:261
106891630,2ptp4l401ktimersoftd/323:25:533
19312610,2sleep20-21swapper/223:59:152
101652610,4sleep12116899cyclictest00:06:131
106891600,1ptp4l401ktimersoftd/302:07:593
106891590,1ptp4l401ktimersoftd/302:26:373
104272580,2sleep310428-21sh00:06:393
2116899555,14cyclictest24569-21rm23:15:011
103122530,1sleep30-21swapper/302:19:363
103122530,1sleep30-21swapper/302:19:363
106891520,1ptp4l401ktimersoftd/300:51:093
21168995120,8cyclictest25-21ksoftirqd/100:49:331
206522510,3sleep125-21ksoftirqd/123:11:451
21168995018,9cyclictest25-21ksoftirqd/100:10:161
21168994920,11cyclictest25-21ksoftirqd/100:03:501
21168994919,9cyclictest25-21ksoftirqd/102:00:061
21168994919,11cyclictest25-21ksoftirqd/100:16:541
21168994919,10cyclictest25-21ksoftirqd/100:31:471
21168994919,10cyclictest25-21ksoftirqd/100:31:471
21168994819,5cyclictest25-21ksoftirqd/102:13:381
21168994819,11cyclictest25-21ksoftirqd/123:36:231
21168994818,10cyclictest25-21ksoftirqd/100:23:121
21168994813,4cyclictest25-21ksoftirqd/101:58:431
209042484,30sleep20-21swapper/221:02:192
21168994719,10cyclictest25-21ksoftirqd/101:38:431
21168994719,10cyclictest25-21ksoftirqd/101:20:051
21168994719,10cyclictest25-21ksoftirqd/100:47:011
21168994717,10cyclictest25-21ksoftirqd/102:21:141
21168994717,10cyclictest25-21ksoftirqd/102:21:141
2117899461,19cyclictest24745-21latency_hist23:49:192
21168994618,10cyclictest25-21ksoftirqd/123:54:161
21168994617,8cyclictest25-21ksoftirqd/102:24:331
21168994616,9cyclictest25-21ksoftirqd/102:16:091
21168994611,4cyclictest25-21ksoftirqd/123:08:511
21168994518,3cyclictest25-21ksoftirqd/101:41:461
21168994518,3cyclictest25-21ksoftirqd/101:05:101
21168994518,10cyclictest25-21ksoftirqd/101:27:231
21168994517,11cyclictest25-21ksoftirqd/101:52:531
21168994517,10cyclictest25-21ksoftirqd/101:01:001
21168994515,8cyclictest25-21ksoftirqd/100:56:341
209072454,30sleep00-21swapper/021:02:210
106891450,0ptp4l401ktimersoftd/300:58:553
106891440,1ptp4l401ktimersoftd/300:59:503
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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