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2025-12-30 - 23:46
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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 Tue Dec 30, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
151321500,2sleep0978499cyclictest09:15:130
1068911010,34ptp4l401ktimersoftd/307:19:083
309302820,5sleep130934-21unixbench_multi11:40:311
108822660,2sleep20-21swapper/210:40:302
9801996410,24cyclictest1055-21runrttasks11:05:093
146292620,5sleep114632-21fschecks_time12:00:181
136022620,2sleep00-21swapper/011:59:330
9801996111,21cyclictest16193-21sh12:39:083
319712570,5sleep3391rcuc/311:42:343
979799557,12cyclictest17371-21/usr/sbin/munin12:40:182
75512544,40sleep00-21swapper/007:14:590
978499514,11cyclictest30051-21ssh09:50:110
9801994913,21cyclictest7524-21sh12:29:203
9801994913,21cyclictest27123-21sh10:23:043
980199490,3cyclictest9159-21seq08:24:063
980199490,3cyclictest9159-21seq08:24:063
9791994911,5cyclictest25-21ksoftirqd/109:02:041
978499483,12cyclictest64-21kswapd011:00:130
9801994710,23cyclictest12611-21sh10:05:373
9801994710,23cyclictest12611-21sh10:05:373
979199473,11cyclictest1938-21ssh11:08:451
979199466,6cyclictest25-21ksoftirqd/108:35:201
980199459,22cyclictest18308-21seq11:26:253
980199451,4cyclictest4656-21sh10:35:063
979199456,5cyclictest25-21ksoftirqd/108:50:261
979199450,17cyclictest19438-21perl08:45:161
978499453,11cyclictest64-21kswapd012:45:140
980199440,3cyclictest17437-21runrttasks10:11:303
980199440,3cyclictest17437-21runrttasks10:11:303
979199449,5cyclictest25-21ksoftirqd/112:40:421
979199439,5cyclictest25-21ksoftirqd/112:23:041
979199438,6cyclictest25-21ksoftirqd/111:30:191
9791994310,5cyclictest25-21ksoftirqd/112:11:371
978499432,14cyclictest6375-21ssh10:00:120
177282430,2sleep10-21swapper/108:40:171
980199423,29cyclictest25649-21apt-get09:45:103
9797994212,16cyclictest2443-21ssh10:30:572
979199429,5cyclictest25-21ksoftirqd/110:47:321
979799419,18cyclictest3379-21diskmemload09:41:222
979199417,5cyclictest25-21ksoftirqd/111:48:561
979199411,10cyclictest9354-21ssh10:02:561
9791994110,6cyclictest25-21ksoftirqd/108:00:171
980199402,31cyclictest2962-21apt-get11:10:143
979799409,16cyclictest19344-21snmp_o5powerctl10:50:292
979199406,5cyclictest25-21ksoftirqd/110:11:591
979199406,5cyclictest25-21ksoftirqd/110:11:591
979199406,5cyclictest25-21ksoftirqd/109:45:011
106891400,1ptp4l401ktimersoftd/310:42:303
106891400,1ptp4l401ktimersoftd/309:20:133
979799393,11cyclictest0-21swapper/209:32:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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