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2026-06-14 - 04:59
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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 rack4slot2.osadl.org (updated Sun Jun 14, 2026 00:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73502230,0irq/45-4a10000021927-21kworker/0:319:05:160
237049911580,0cyclictest3937-21unixbench_singl22:55:400
237049911480,0cyclictest8492-21fw_conntrack23:10:100
237049911479,0cyclictest24057-21/usr/sbin/munin20:45:330
237049911381,0cyclictest14910-21aten_r4power_cu20:19:550
237049911077,0cyclictest792-21seq21:12:270
237049911076,0cyclictest30121-21cron19:29:430
237049910987,0cyclictest5339-21ntp_offset21:25:300
237049910976,0cyclictest10352-21seq21:40:260
237049910885,0cyclictest6652-21diskstats21:30:060
237049910884,0cyclictest7043-21chrt23:05:300
237049910883,0cyclictest27906-21users20:55:430
237049910883,0cyclictest16818-21df22:00:050
237049910873,0cyclictest9076-21sed20:00:420
237049910784,0cyclictest4946-21diskstats19:50:100
237049910784,0cyclictest2819-21runrttasks22:54:450
237049910780,0cyclictest3398-21fw_forwarded_lo00:30:170
237049910773,0cyclictest4929-21df_abs23:00:050
237049910687,0cyclictest20756-21/usr/sbin/munin23:45:340
237049910686,0cyclictest19251-21timerandwakeup22:05:400
237049910685,0cyclictest22311-21meminfo22:15:250
237049910685,0cyclictest1617-21fschecks_time19:40:130
237049910684,0cyclictest30578-21df_inode22:40:080
237049910684,0cyclictest18756-21fw_forwarded_lo20:30:160
237049910684,0cyclictest13382-21df21:50:020
237049910683,0cyclictest13646-21fw_forwarded_lo23:25:160
237049910682,0cyclictest4013-21users21:20:460
237049910682,0cyclictest28737-21cpuspeed20:59:590
237049910682,0cyclictest11801-21diskstats23:20:110
237049910681,0cyclictest21071-21users20:35:430
237049910677,0cyclictest17957-21sshd20:28:010
237049910676,0cyclictest30163-21sendmail-msp22:39:490
237049910675,0cyclictest26864-21aten_r4power_cu19:19:530
237049910674,0cyclictest20601-21/usr/sbin/munin22:10:220
237049910672,0cyclictest5014-21fschecks_count00:35:100
237049910585,0cyclictest10578-21/usr/sbin/munin20:05:360
237049910584,0cyclictest32272-21df_inode19:35:070
237049910584,0cyclictest31222-21timerandwakeup00:15:390
237049910583,0cyclictest30478-21df21:05:020
237049910583,0cyclictest2978-21/usr/sbin/munin19:44:550
237049910583,0cyclictest24753-21threads19:10:400
237049910582,0cyclictest8364-21diskstats21:35:080
237049910582,0cyclictest30470-21sshd19:30:010
237049910581,0cyclictest608-21users00:20:470
237049910580,0cyclictest10473-21ntpq23:15:390
237049910577,0cyclictest32191-21df22:45:000
237049910574,0cyclictest15484-21meminfo23:30:230
237049910573,0cyclictest16784-21cat23:35:010
237049910572,0cyclictest14228-21users20:15:430
237049910485,0cyclictest27550-21ntp_states22:30:340
237049910484,0cyclictest23725-21df_inode23:55:050
237049910484,0cyclictest1754-21irqstats21:15:270
237049910483,0cyclictest21937-21df20:40:020
237049910483,0cyclictest19426-21sshd23:41:010
237049910483,0cyclictest15195-21diskstats21:55:100
237049910483,0cyclictest12061-21meminfo20:10:250
237049910482,0cyclictest25446-21diskstats20:50:080
237049910482,0cyclictest1845-21meminfo00:25:260
237049910481,0cyclictest27535-21/usr/sbin/munin00:05:310
237049910473,0cyclictest26413-21runrttasks22:27:160
237049910472,0cyclictest521-21runrttasks19:17:590
237049910471,0cyclictest21716-21/usr/sbin/munin23:49:550
237049910384,0cyclictest6942-21memory19:55:260
237049910382,0cyclictest29162-21load00:10:290
237049910378,0cyclictest13059-21/usr/sbin/munin21:49:460
237049910373,0cyclictest25152-21/usr/sbin/munin23:59:530
237049910280,0cyclictest23656-21df22:20:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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