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2026-04-12 - 22:44
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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 Sun Apr 12, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1562321850,5sleep12725399cyclictest12:57:261
1416721800,4sleep12725399cyclictest11:15:561
2977721690,3sleep02724799cyclictest08:22:000
60821680,5sleep32726699cyclictest13:16:113
279121590,4sleep22725799cyclictest10:31:412
1068911090,3ptp4l401ktimersoftd/308:12:133
139602680,4sleep32726699cyclictest11:47:503
282302670,2sleep30-21swapper/309:22:293
45162650,5sleep32726699cyclictest09:42:203
14062650,1sleep20-21swapper/212:42:292
27253996452,6cyclictest25-21ksoftirqd/113:02:171
173462630,2sleep00-21swapper/010:45:560
159222630,2sleep00-21swapper/010:07:140
76152610,2sleep20-21swapper/212:16:242
27257996114,20cyclictest21973-21sh10:50:312
27253995747,4cyclictest25-21ksoftirqd/112:42:191
122362550,2sleep20-21swapper/208:52:012
240692540,1sleep30-21swapper/313:39:443
2725799530,4cyclictest4093-21ssh13:18:252
27253995341,6cyclictest25-21ksoftirqd/112:02:151
12082500,3sleep22725799cyclictest11:02:202
106891500,9ptp4l401ktimersoftd/313:06:213
106891500,1ptp4l401ktimersoftd/311:30:563
303352480,2sleep00-21swapper/010:58:090
210652480,2sleep10-21swapper/111:22:231
27253994532,6cyclictest25-21ksoftirqd/109:17:121
106891450,1ptp4l27962-21kworker/3:013:28:163
2725799440,3cyclictest11370-21cat13:27:172
106891440,2ptp4l10387-21kworker/3:210:59:013
106891440,1ptp4l401ktimersoftd/312:59:023
106891440,1ptp4l401ktimersoftd/312:03:403
27257994313,18cyclictest8296-21sh12:17:132
106891430,1ptp4l401ktimersoftd/308:45:053
27253994130,5cyclictest25-21ksoftirqd/113:12:181
106891400,1ptp4l401ktimersoftd/311:42:433
106891400,1ptp4l401ktimersoftd/310:09:183
106891400,1ptp4l401ktimersoftd/310:02:253
106891390,1ptp4l401ktimersoftd/313:21:393
106891390,1ptp4l401ktimersoftd/311:32:183
106891390,1ptp4l401ktimersoftd/311:32:183
106891390,1ptp4l401ktimersoftd/310:53:553
106891390,1ptp4l401ktimersoftd/310:22:153
2725799383,29cyclictest4862-21apt-get12:47:172
2725799383,28cyclictest20017-21apt-get11:22:152
2725799380,4cyclictest16312-21/usr/sbin/munin11:17:222
2699823815,13sleep09-21ksoftirqd/008:15:090
106891380,1ptp4l401ktimersoftd/313:23:113
106891380,1ptp4l401ktimersoftd/313:23:113
106891380,1ptp4l401ktimersoftd/312:08:433
106891380,1ptp4l401ktimersoftd/311:55:263
106891380,1ptp4l401ktimersoftd/311:14:243
106891380,1ptp4l401ktimersoftd/310:38:213
2725799374,26cyclictest15939-21apt-get10:07:142
27257993710,23cyclictest25563-21ls10:22:022
2725799370,3cyclictest2367-21runrttasks08:29:342
106891370,1ptp4l401ktimersoftd/313:36:573
106891370,1ptp4l401ktimersoftd/313:10:473
106891370,1ptp4l401ktimersoftd/312:54:583
106891370,1ptp4l401ktimersoftd/312:43:233
106891370,1ptp4l401ktimersoftd/312:39:223
106891370,1ptp4l401ktimersoftd/312:30:203
106891370,1ptp4l401ktimersoftd/311:38:173
106891370,1ptp4l401ktimersoftd/311:38:173
106891370,1ptp4l401ktimersoftd/311:08:593
106891370,1ptp4l401ktimersoftd/311:02:033
106891370,1ptp4l401ktimersoftd/310:46:173
106891370,1ptp4l401ktimersoftd/310:33:593
106891370,1ptp4l401ktimersoftd/310:18:553
106891370,0ptp4l401ktimersoftd/311:18:553
106891370,0ptp4l401ktimersoftd/310:51:233
2725799363,26cyclictest18027-21apt-get12:27:162
2725799362,27cyclictest26065-21apt-get13:42:202
2725799360,3cyclictest24205-21/usr/sbin/munin09:17:122
106891360,1ptp4l401ktimersoftd/312:35:553
106891360,1ptp4l401ktimersoftd/312:17:333
106891360,1ptp4l401ktimersoftd/311:58:453
106891360,1ptp4l401ktimersoftd/311:23:093
106891360,0ptp4l401ktimersoftd/310:12:243
2725799359,23cyclictest19037-21date13:02:052
2725799353,26cyclictest7119-21apt-get11:42:162
2725799353,26cyclictest12353-21apt-get08:52:122
27257993515,17cyclictest1094-21sh12:08:222
2725799351,31cyclictest29198-21/usr/sbin/munin08:17:292
2725799350,7cyclictest0-21swapper/209:37:162
2725799350,4cyclictest28946-21ssh12:03:472
2725799350,4cyclictest17467-21/usr/sbin/munin09:02:152
2725799350,4cyclictest10056-21fschecks_time12:52:202
27253993524,5cyclictest25-21ksoftirqd/110:02:131
2725399351,31cyclictest32595-21cron08:26:591
255772357,12sleep20-21swapper/208:12:172
106891350,1ptp4l401ktimersoftd/312:16:443
2725799342,25cyclictest18305-21apt-get10:12:152
27257993414,17cyclictest29076-21kernelversion10:57:212
2725799341,3cyclictest0-21swapper/209:42:202
27257993410,20cyclictest13402-21cat12:22:182
2725799340,4cyclictest25807-21rm10:53:422
2725399346,5cyclictest25-21ksoftirqd/113:27:191
27253993424,5cyclictest25-21ksoftirqd/109:07:121
27253993423,5cyclictest25-21ksoftirqd/112:12:141
207942340,5sleep1241ktimersoftd/111:56:231
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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