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2025-12-11 - 06:42
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 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 highest latencies:
System rack5slot7.osadl.org (updated Thu Dec 11, 2025 00:44:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4804224010,12sleep03599-1kworker/u3:117:38:120
50369910718,23cyclictest18859-21apt-get22:30:230
50369910319,64cyclictest16020-21memory22:21:220
50369910314,25cyclictest7918-21df20:20:510
50369910312,28cyclictest16438-21ssh20:46:100
50369910232,53cyclictest0-21swapper21:48:480
50369910216,65cyclictest12530-21munin-run20:35:020
50369910216,64cyclictest29343-21ssh21:25:060
50369910135,50cyclictest0-21swapper20:19:260
50369910126,64cyclictest0-21swapper20:58:020
50369910119,45cyclictest12588-21irqstats22:11:110
50369910118,47cyclictest32271-21ssh21:33:000
50369910117,24cyclictest14848-21ssh22:17:160
50369910115,65cyclictest3184-21/usr/sbin/munin20:06:340
50369910112,25cyclictest13257-21ntpq20:36:290
50369910035,32cyclictest0-21swapper21:43:350
50369910017,44cyclictest23105-21fw_conntrack21:06:040
50369910016,64cyclictest22634-21irqstats22:41:100
50369910016,60cyclictest24416-21ssh21:10:110
50369910016,25cyclictest4752-21memory20:11:220
50369910012,51cyclictest11275-21ssh22:06:430
50369910012,27cyclictest29365-21ssh19:47:470
50369910012,26cyclictest29511-21wget21:25:320
5036999947,38cyclictest26671-21missed_timers21:16:230
5036999916,47cyclictest0-21swapper21:53:230
5036999915,51cyclictest0-21swapper21:04:140
5036999912,25cyclictest8220-21ssh21:57:490
5036999817,60cyclictest12603-21/usr/sbin/munin18:20:580
5036999815,37cyclictest31961-21df_inode19:55:540
5036999813,64cyclictest27072-21/usr/sbin/munin22:56:130
5036999812,66cyclictest22822-21cat19:20:030
5036999812,27cyclictest18312-21ssh20:51:300
5036999812,23cyclictest778-21irqstats21:36:130
5036999810,67cyclictest10862-21grep18:11:040
5036999726,53cyclictest9812-21tr18:05:530
5036999718,43cyclictest31240-21users23:06:470
5036999716,22cyclictest9270-21apt-get20:25:270
5036999712,67cyclictest15241-21grep18:35:550
5036999712,27cyclictest30947-21ssh19:52:110
5036999711,24cyclictest9285-21ssh22:01:210
5036999710,26cyclictest21537-21ssh22:37:080
5036999616,59cyclictest5424-21fw_conntrack17:40:410
5036999614,45cyclictest29059-21fw_conntrack23:00:570
5036999613,61cyclictest20101-21grep19:05:030
5036999612,48cyclictest23886-21ssh22:45:290
5036999611,62cyclictest17618-21kernelversion22:26:130
5036999531,44cyclictest11214-21cut18:15:250
5036999517,60cyclictest833-21apt-get20:00:310
5036999515,18cyclictest26066-21grep19:35:540
5036999511,65cyclictest18974-21ps18:56:040
503699949,63cyclictest15851-21ssh20:44:590
5036999411,61cyclictest26744-21ssh22:53:420
503699939,23cyclictest27109-21sort19:41:260
5036999318,24cyclictest7434-21users17:51:100
5036999317,57cyclictest17387-21munin-run18:50:020
5036999314,58cyclictest14365-21ntp_states18:31:000
5036999233,46cyclictest0-21swapper19:21:020
5036999212,59cyclictest6123-21munin-node17:45:120
503699919,23cyclictest21632-21wc19:10:590
5036999017,23cyclictest16435-21users18:41:080
5036998911,59cyclictest13426-21tr18:25:550
5036998817,24cyclictest8674-21df18:00:310
5036998817,22cyclictest20950-21users19:06:100
5036998816,23cyclictest8170-21/usr/sbin/munin17:56:040
5036998813,25cyclictest23881-21grep19:25:270
5036998612,23cyclictest24894-21cstates19:30:290
5036998516,22cyclictest17792-21fw_conntrack18:50:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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