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2026-04-20 - 16:01
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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 Apr 20, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1960224050,4sleep10-21swapper/108:16:391
1068911790,5ptp4l401ktimersoftd/308:18:293
2861421620,4sleep02158799cyclictest08:31:500
687321580,5sleep12159399cyclictest10:01:521
871121570,5sleep32160899cyclictest11:20:513
66402650,5sleep12159399cyclictest13:31:451
142802640,2sleep30-21swapper/311:59:053
146002610,2sleep10-21swapper/113:39:401
41472590,2sleep10-21swapper/112:56:281
106891590,1ptp4l401ktimersoftd/312:16:453
264652570,5sleep22159799cyclictest13:18:052
114382570,2sleep30-21swapper/312:29:563
2159799561,13cyclictest5614-21latency12:56:512
2159799553,19cyclictest11689-21ssh12:30:222
78942540,2sleep10-21swapper/110:46:441
224622540,2sleep20-21swapper/209:26:562
106891540,1ptp4l401ktimersoftd/309:11:533
21608995340,6cyclictest41-21ksoftirqd/309:21:383
2159799533,18cyclictest14716-21diskmemload13:25:142
2159799531,13cyclictest19751-21fschecks_time11:31:452
106891530,1ptp4l401ktimersoftd/310:39:293
21608995140,6cyclictest41-21ksoftirqd/311:06:423
2159799513,12cyclictest19167-21ls12:36:572
2159799512,13cyclictest3237-21cpuspeed_turbos12:21:442
2159799510,14cyclictest5886-21cat13:31:322
21593995123,8cyclictest25-21ksoftirqd/109:21:261
147322510,4sleep22159799cyclictest11:59:522
106891510,1ptp4l401ktimersoftd/312:10:443
68162500,2sleep20-21swapper/210:45:452
21608995022,8cyclictest41-21ksoftirqd/310:51:283
21608995019,10cyclictest41-21ksoftirqd/313:27:013
2159799503,11cyclictest16607-21uname10:21:502
21593995023,9cyclictest25-21ksoftirqd/113:46:511
21593995023,4cyclictest25-21ksoftirqd/110:31:471
21593995019,8cyclictest25-21ksoftirqd/109:56:281
21608994938,5cyclictest41-21ksoftirqd/310:06:403
21608994924,7cyclictest41-21ksoftirqd/313:16:313
21608994922,4cyclictest41-21ksoftirqd/309:56:273
2159799495,7cyclictest0-21swapper/212:46:322
2159799493,11cyclictest14497-21grep12:32:002
2159799492,13cyclictest21252-21sort13:46:492
2159799491,17cyclictest2095-21timerwakeupswit09:51:572
2159799490,17cyclictest25707-21/usr/sbin/munin12:11:562
2159799490,13cyclictest6105-21latency_hist11:51:302
2159399497,5cyclictest25-21ksoftirqd/111:41:491
2159399496,10cyclictest25-21ksoftirqd/112:31:311
21593994921,5cyclictest25-21ksoftirqd/112:11:451
21593994921,5cyclictest25-21ksoftirqd/110:56:491
21608994823,4cyclictest41-21ksoftirqd/312:46:493
2159799487,8cyclictest14717-21ls11:26:422
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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