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2026-04-20 - 21:24
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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 100 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
2159799487,6cyclictest22347-21ssh11:01:412
2159799484,8cyclictest11033-21cat11:56:302
21593994834,6cyclictest25-21ksoftirqd/112:46:461
21593994821,4cyclictest25-21ksoftirqd/113:21:321
21593994820,8cyclictest25-21ksoftirqd/110:06:541
21608994735,6cyclictest41-21ksoftirqd/310:16:403
21608994723,7cyclictest41-21ksoftirqd/309:46:263
2159799479,7cyclictest26620-21sed10:31:502
2159799475,7cyclictest0-21swapper/208:46:442
2159799474,7cyclictest0-21swapper/213:31:472
2159799473,9cyclictest22488-21grep12:06:572
2159799471,19cyclictest26405-21sed08:26:532
2159799470,13cyclictest6007-21mailstats11:16:532
21593994724,4cyclictest25-21ksoftirqd/111:56:461
21593994721,9cyclictest25-21ksoftirqd/111:31:291
21593994719,4cyclictest25-21ksoftirqd/113:26:531
21593994712,8cyclictest25-21ksoftirqd/111:09:561
106891470,1ptp4l401ktimersoftd/312:22:543
106891470,1ptp4l401ktimersoftd/311:22:413
21608994639,4cyclictest41-21ksoftirqd/311:26:333
21608994622,4cyclictest41-21ksoftirqd/313:01:473
2159799466,7cyclictest16732-21if_enp1s0.109:16:442
2159799466,6cyclictest21211-21ssh10:26:482
2159799465,6cyclictest0-21swapper/209:36:542
2159799460,18cyclictest28104-21irqrtprio12:46:492
2159799460,17cyclictest12122-21latency_hist10:51:292
2159799460,13cyclictest32128-21snmp_o5powerctl12:16:572
2159799460,10cyclictest10935-21ps10:11:432
2159399465,9cyclictest25-21ksoftirqd/112:46:131
2159399465,7cyclictest25-21ksoftirqd/110:21:281
2159399463,9cyclictest25-21ksoftirqd/111:01:521
2159399463,8cyclictest25-21ksoftirqd/112:26:311
2159399462,4cyclictest17035-21munin-run10:56:291
21593994621,4cyclictest25-21ksoftirqd/113:21:451
21593994620,4cyclictest25-21ksoftirqd/109:26:261
21593994619,8cyclictest25-21ksoftirqd/113:12:011
21593994617,7cyclictest25-21ksoftirqd/112:06:511
21593994611,9cyclictest25-21ksoftirqd/111:11:461
181802460,2sleep20-21swapper/210:56:492
21608994539,3cyclictest41-21ksoftirqd/312:11:393
21608994518,4cyclictest41-21ksoftirqd/311:51:583
21608994515,7cyclictest41-21ksoftirqd/310:31:283
2159799457,6cyclictest16276-21cstates12:01:432
2159799456,8cyclictest28703-21irqrtprio09:41:452
2159799456,6cyclictest17092-21latency13:41:522
2159799455,8cyclictest0-21swapper/211:45:062
2159799453,7cyclictest7036-21timerwakeupswit10:01:562
2159799450,12cyclictest11060-21date11:21:572
2159399453,6cyclictest25-21ksoftirqd/113:01:471
21593994520,4cyclictest25-21ksoftirqd/111:36:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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