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2025-12-01 - 22:20
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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 highest latencies:
System rack7slot8.osadl.org (updated Mon Dec 01, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23874221127,52sleep00-21swapper/007:07:240
242499915573,39cyclictest5515-21apt-get12:17:120
242499915377,55cyclictest3834-21apt-get10:07:120
242499915288,42cyclictest24581-21users09:16:350
242499915262,34cyclictest10776-21seq12:39:190
242499915165,32cyclictest11255-21seq10:31:190
242499914972,37cyclictest32571-21ntp_states11:55:480
242499914970,57cyclictest27207-21runrttasks11:35:140
242499914878,34cyclictest11052-21ntp_states08:25:460
242499914776,51cyclictest26307-21memory11:31:020
242499914772,39cyclictest1356-21snmpd07:33:390
242499914768,39cyclictest2488-21/usr/sbin/munin12:05:260
242499914682,43cyclictest24751-21ntp_states07:10:500
242499914674,51cyclictest1801-21node09:51:150
242499914674,35cyclictest15033-21sshd08:40:580
242499914673,53cyclictest3695-21df12:10:190
242499914668,45cyclictest27238-21ntp_states07:20:410
242499914665,38cyclictest5888-21memory10:10:330
242499914476,50cyclictest26697-21seq09:25:340
242499914474,50cyclictest1090-21sshd07:45:470
242499914473,53cyclictest31919-21basename09:45:480
242499914374,47cyclictest1356-21snmpd11:25:170
242499914372,50cyclictest19293-21chrt11:05:060
242499914371,52cyclictest20864-21/usr/sbin/munin09:05:300
242499914370,36cyclictest25544-21ntp_states09:20:430
242499914355,28cyclictest21745-21apt-get09:12:090
242499914279,41cyclictest29160-21sshd11:41:370
242499914176,20cyclictest32233-21ntp_states07:40:420
242499914171,35cyclictest30983-21sshd07:35:440
242499914170,34cyclictest3351-21diskstats07:55:200
242499914169,19cyclictest17199-21ntp_states10:55:420
242499914165,24cyclictest17066-21/usr/sbin/munin08:50:170
242499914086,42cyclictest2581-21/usr/sbin/munin10:00:030
242499914067,35cyclictest1356-21snmpd08:08:460
242499914065,20cyclictest13214-21cpu10:40:170
242499914062,23cyclictest14719-21ntp_states10:45:410
242499914060,38cyclictest26343-21apt-get07:17:050
242499913974,45cyclictest9337-21/usr/sbin/munin10:25:160
242499913968,35cyclictest29689-21munin-node11:45:150
242499913966,53cyclictest1356-21snmpd08:23:550
242499913964,38cyclictest27945-21memory09:30:350
242499913963,37cyclictest1356-21snmpd09:39:230
242499913877,42cyclictest12938-21cron10:40:020
242499913874,50cyclictest16694-21latency_hist10:55:030
242499913773,45cyclictest18469-21seq11:00:410
242499913767,34cyclictest1356-21snmpd08:03:450
242499913760,39cyclictest13128-21/usr/sbin/munin08:35:120
242499913669,47cyclictest8127-21seq10:20:120
242499913666,50cyclictest6020-21/usr/sbin/munin12:20:130
242499913665,18cyclictest7447-21df12:25:170
242499913664,38cyclictest1356-21snmpd08:57:000
242499913658,42cyclictest1356-21snmpd07:28:370
242499913568,48cyclictest6822-21/usr/sbin/munin10:15:170
242499913563,33cyclictest2773-21wget10:00:150
242499913466,35cyclictest1356-21snmpd08:33:570
242499913459,38cyclictest1356-21snmpd08:18:500
242499913397,25cyclictest30458-21memory09:40:390
242499913369,32cyclictest16755-21latency_hist08:50:020
242499913269,22cyclictest1906-21/usr/sbin/munin07:50:250
242499913183,38cyclictest23062-21/usr/sbin/munin11:20:120
242499913177,41cyclictest8899-21ntp_states12:30:420
242499913077,39cyclictest20546-21/usr/sbin/munin11:10:120
242499912965,23cyclictest1356-21snmpd11:54:060
242499912891,27cyclictest22023-21fw_conntrack11:15:280
242499912885,31cyclictest1653-21dnsmasq08:10:350
242499912875,40cyclictest1356-21snmpd12:00:230
242499912577,36cyclictest19731-21/usr/sbin/munin09:00:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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