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2026-04-16 - 19:07
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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 Thu Apr 16, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
779522630,7sleep07792-21cstates08:14:250
2038421740,3sleep3980199cyclictest11:40:583
1031921680,2sleep3980199cyclictest12:37:033
1068911590,4ptp4l401ktimersoftd/308:15:173
1419521570,4sleep1978699cyclictest11:34:381
130472950,3sleep0978099cyclictest11:34:290
3652660,2sleep30-21swapper/310:49:153
106891650,1ptp4l401ktimersoftd/311:50:353
21142640,2sleep20-21swapper/211:23:272
106891640,1ptp4l401ktimersoftd/310:33:523
139802600,4sleep1978699cyclictest13:14:191
106891600,1ptp4l401ktimersoftd/312:16:193
106891580,1ptp4l401ktimersoftd/311:06:543
106891580,1ptp4l401ktimersoftd/311:06:543
106891580,1ptp4l401ktimersoftd/310:22:313
106891570,1ptp4l401ktimersoftd/311:28:373
106891570,1ptp4l401ktimersoftd/309:39:193
240702560,2sleep00-21swapper/010:39:330
106891550,1ptp4l401ktimersoftd/313:26:403
284102520,1sleep00-21swapper/012:54:470
41782510,2sleep20-21swapper/211:58:242
106891500,1ptp4l401ktimersoftd/311:12:593
978099463,8cyclictest29717-21ssh12:24:300
106891460,1ptp4l401ktimersoftd/308:55:113
148812450,1sleep30-21swapper/311:03:533
106891450,2ptp4l23662-21kworker/3:013:09:123
978699442,33cyclictest31758-21apt-get12:59:301
978699442,33cyclictest29706-21apt-get12:24:301
978699432,34cyclictest1586-21apt-get13:34:291
978099434,10cyclictest27702-21ssh11:49:290
9780994314,4cyclictest16634-21wc12:44:180
978699413,31cyclictest29888-21apt-get08:59:241
95342415,24sleep20-21swapper/208:17:232
940124120,11sleep125-21ksoftirqd/108:15:401
978699402,30cyclictest24143-21apt-get13:24:301
106891400,1ptp4l401ktimersoftd/313:44:403
106891400,0ptp4l401ktimersoftd/310:24:543
978699393,29cyclictest10569-21apt-get10:59:251
978699393,28cyclictest18369-21apt-get10:34:261
978699392,30cyclictest13450-21apt-get10:29:261
106891390,1ptp4l401ktimersoftd/312:45:103
106891390,1ptp4l401ktimersoftd/312:45:103
106891390,1ptp4l401ktimersoftd/310:36:443
106891390,1ptp4l401ktimersoftd/310:14:293
978699382,31cyclictest8472-21apt-get10:24:271
978699382,30cyclictest10038-21apt-get08:19:221
978699382,29cyclictest32610-21apt-get11:54:301
978699381,4cyclictest29100-21apt-get13:29:321
978699381,34cyclictest3525-21apt-get10:19:261
978699380,35cyclictest6639-21latency10:54:351
106891380,1ptp4l401ktimersoftd/313:44:093
106891380,1ptp4l401ktimersoftd/313:23:083
106891380,1ptp4l401ktimersoftd/313:17:173
106891380,1ptp4l401ktimersoftd/312:42:083
106891380,1ptp4l401ktimersoftd/312:28:493
106891380,1ptp4l401ktimersoftd/312:07:573
106891380,1ptp4l401ktimersoftd/311:34:563
106891380,1ptp4l401ktimersoftd/311:30:113
106891380,1ptp4l401ktimersoftd/311:21:313
106891380,1ptp4l401ktimersoftd/310:51:313
106891380,1ptp4l401ktimersoftd/309:54:393
106891380,0ptp4l401ktimersoftd/311:59:233
978699372,28cyclictest11469-21apt-get13:44:321
978699370,4cyclictest22132-21ssh11:43:561
978099373,8cyclictest1593-21ssh13:34:290
106891370,2ptp4l570-21kworker/3:110:56:363
106891370,1ptp4l401ktimersoftd/313:30:593
106891370,1ptp4l401ktimersoftd/311:54:503
106891370,1ptp4l401ktimersoftd/310:39:523
106891370,0ptp4l401ktimersoftd/312:20:313
106891370,0ptp4l401ktimersoftd/311:16:153
978699362,28cyclictest5113-21apt-get11:59:301
978699362,27cyclictest20665-21apt-get11:09:271
978699362,27cyclictest14982-21apt-get12:09:311
978699360,5cyclictest17703-21gzip09:39:371
978699360,4cyclictest5994-21ssh11:26:391
978699360,4cyclictest28113-21ssh12:22:161
978699360,4cyclictest10845-21ssh13:43:581
978699360,3cyclictest30513-21ssh10:45:301
106891360,1ptp4l401ktimersoftd/312:52:283
106891360,1ptp4l401ktimersoftd/312:32:023
106891360,1ptp4l401ktimersoftd/312:09:273
106891360,1ptp4l401ktimersoftd/311:46:273
106891360,0ptp4l401ktimersoftd/308:59:293
978699359,23cyclictest21475-21cron12:49:181
978699359,23cyclictest21475-21cron12:49:181
978699353,26cyclictest733-21apt-get10:49:281
978699353,25cyclictest15461-21apt-get08:29:231
978699350,3cyclictest3116-21diskmemload11:22:231
978699350,2cyclictest3116-21diskmemload12:56:131
978699350,2cyclictest0-21swapper/109:34:291
106891350,2ptp4l25124-21kworker/3:113:34:493
106891350,2ptp4l23662-21kworker/3:012:55:343
106891350,2ptp4l12171-21kworker/3:108:39:423
978699348,22cyclictest26824-21sed09:59:331
978699348,22cyclictest1055-21runrttasks09:54:361
978699342,27cyclictest25609-21apt-get11:14:291
978699342,26cyclictest17826-21apt-get08:34:231
9786993414,17cyclictest21379-21bc09:49:251
978699340,4cyclictest21282-21ssh13:20:101
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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