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2026-06-17 - 10:35
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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 Jun 17, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
533521310,5sleep3337899cyclictest00:39:273
106891980,3ptp4l401ktimersoftd/320:49:003
3359997655,14cyclictest9-21ksoftirqd/001:03:300
106891710,1ptp4l401ktimersoftd/300:58:143
106891690,1ptp4l401ktimersoftd/300:01:233
162742680,6sleep316279-21gltestperf00:18:353
77692670,1sleep20-21swapper/202:21:442
21922665,47sleep00-21swapper/020:48:340
336799659,25cyclictest1900-21seq02:15:031
336799640,32cyclictest28901-21diskmemload23:13:221
3359996350,6cyclictest9-21ksoftirqd/002:03:320
106891630,1ptp4l401ktimersoftd/302:02:313
296652620,4sleep2337399cyclictest21:43:372
296652620,4sleep2337399cyclictest21:43:372
336799611,26cyclictest20926-21ptp4l-jitter01:28:421
31562614,10sleep20-21swapper/220:52:032
245482610,4sleep0101ktimersoftd/021:33:320
336799601,28cyclictest15550-21ssh00:50:101
336799600,27cyclictest31085-21ssh02:12:531
336799591,25cyclictest9195-21mailstats22:08:381
3367995910,26cyclictest13119-21sh00:14:281
106891590,1ptp4l401ktimersoftd/323:56:323
106891590,1ptp4l401ktimersoftd/323:20:423
106891590,1ptp4l401ktimersoftd/323:20:423
68072580,2sleep00-21swapper/002:20:050
336799581,32cyclictest22724-21ssh00:24:091
336799581,25cyclictest2466-21seq21:54:031
336799580,25cyclictest27722-21sh23:57:281
3359995847,6cyclictest9-21ksoftirqd/023:03:280
3359995846,5cyclictest9-21ksoftirqd/023:23:270
225832580,4sleep2321ktimersoftd/223:18:362
225832580,4sleep2321ktimersoftd/223:18:362
36402570,26sleep03740-21if_ens300:38:370
336799571,24cyclictest30051-21sh23:26:151
336799570,29cyclictest0-21swapper/101:52:221
336799570,28cyclictest31124-21ssh01:06:451
336799570,27cyclictest15771-21seq21:17:421
336799570,26cyclictest31570-21ssh01:39:051
336799570,26cyclictest14462-21seq22:20:491
336799570,25cyclictest32225-21sh00:01:491
336799570,24cyclictest13656-21sh01:22:141
336799570,24cyclictest13656-21sh01:22:141
336799570,24cyclictest1347-21taskset22:58:131
336799561,27cyclictest5424-21chrt20:55:071
336799560,26cyclictest7011-21ssh02:20:261
336799560,24cyclictest28901-21diskmemload02:05:561
336799560,24cyclictest18053-21seq00:19:331
3359995647,4cyclictest9-21ksoftirqd/023:18:290
3359995647,4cyclictest9-21ksoftirqd/023:18:290
3359995645,6cyclictest9-21ksoftirqd/001:58:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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