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2025-11-23 - 11:33
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 25 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack3slot5.osadl.org.osadl.org (updated Sun Nov 23, 2025 00:44:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27176993262324,0cyclictest13489-21mailstats20:28:190
151151450,0ktimers/0263541sleep18:53:180
1514740,0ktimers/0155751sleep20:38:010
1514660,0ktimers/0211321sleep21:03:310
1514560,0ktimers/0201771sleep20:58:510
271769944134,0cyclictest1055-21sshd19:28:270
1514380,0ktimers/0273391sleep18:58:070
1514320,0ktimers/0125561chrt20:23:470
1514310,0ktimers/0311141sleep00:19:110
271769942733,0cyclictest7093-21sort22:28:590
271769942674,0cyclictest20974-21sshd23:33:260
2717699425103,0cyclictest6701-21cat22:27:570
1514250,0ktimers/0296071sleep00:13:100
1514230,0ktimers/0123951sleep22:53:430
1514140,0ktimers/059361sleep19:52:190
271769941333,0cyclictest27049-21runrttasks23:59:390
271769941329,0cyclictest19806-21basename20:57:470
271769941133,0cyclictest22224-21chrt21:08:230
271769940997,0cyclictest14609-21apt-get20:33:270
271769940979,0cyclictest12192-21cron20:22:450
2717699406102,0cyclictest27175-21cyclictest21:48:550
271769940431,0cyclictest27415-21tr00:03:060
271769940135,0cyclictest28470-21missed_timers19:03:170
2717699400129,0cyclictest8129-21runrttasks20:02:450
271769939747,0cyclictest8557-21sed20:03:510
271769939743,0cyclictest5044-21cut22:19:110
271769939731,0cyclictest10567-21chrt22:44:230
271769939729,0cyclictest32215-21cat19:22:510
271769939724,0cyclictest31833-21df00:23:300
271769939629,0cyclictest23303-21df_inode23:43:510
271769939552,0cyclictest31549-21ls21:52:550
271769939530,0cyclictest17836-21mailstats20:48:150
271769939523,0cyclictest6630-21interrupts19:54:190
2717699395138,0cyclictest0-21swapper20:43:420
271769939232,0cyclictest30321-21chrt21:47:150
2717699391124,0cyclictest0-21swapper19:13:030
271769939031,0cyclictest15327-21chrt23:07:550
271769939029,0cyclictest3769-21sed22:13:470
271769939029,0cyclictest28545-21latency_hist21:37:510
271769939029,0cyclictest23204-21mailstats21:13:030
271769938984,0cyclictest1626-21nscd23:32:480
2717699389128,0cyclictest26492-21cut21:28:130
271769938832,0cyclictest9764-21chrt22:40:550
2717699388121,0cyclictest4868-21cron19:47:450
271769938730,0cyclictest29301-21grep19:08:470
271769938729,0cyclictest29316-21cut21:39:390
271769938729,0cyclictest1461-21chrt22:03:350
271769938652,0cyclictest462-21awk21:58:470
271769938630,0cyclictest25329-21grep21:22:550
271769938629,0cyclictest16606-21ls23:13:180
271769938628,0cyclictest3897-21timerwakeupswit19:39:470
271769938531,0cyclictest29290-21sshd00:10:300
271769938531,0cyclictest18087-21cut23:19:180
271769938529,0cyclictest25427-21cpu23:53:460
271769938528,0cyclictest25109-21wc23:52:500
1513850,0ktimers/0157641sleep23:09:010
271769938429,0cyclictest22201-21awk23:38:460
271769938336,0cyclictest32572-21grep19:23:470
271769938329,0cyclictest24987-21sshd21:19:350
271769938327,0cyclictest11034-21sshd20:16:270
271769938229,0cyclictest8684-21chrt22:35:550
271769938227,0cyclictest2557-21awk22:08:350
271769938128,0cyclictest11666-21sshd22:49:270
271769937729,0cyclictest13228-21ls22:57:550
2717699377112,0cyclictest19637-21sendmail23:27:470
271769937630,0cyclictest2149-21mailstats19:33:190
271769937528,0cyclictest9098-21mailstats20:08:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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