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2026-05-16 - 21:25
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sat May 16, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25965224770,13sleep021591-1kworker/u3:007:05:160
261059910418,23cyclictest2529-21munin-run11:36:150
261059910318,25cyclictest30083-21fw_conntrack09:47:140
261059910316,24cyclictest23767-21users09:28:080
261059910315,45cyclictest20334-21users09:18:080
261059910219,62cyclictest8547-21users10:18:080
261059910218,61cyclictest17781-21munin-run10:46:170
261059910119,60cyclictest6386-21ssh10:12:310
261059910116,64cyclictest2888-21irqstats10:02:300
261059910115,65cyclictest18528-21ntp_states10:47:460
261059910114,27cyclictest32093-21ssh09:52:510
261059910026,66cyclictest0-21swapper09:45:040
261059910019,59cyclictest22035-21users09:23:040
261059910018,61cyclictest6082-21apt-get11:46:340
261059910017,61cyclictest17987-21df_inode09:12:090
261059910017,44cyclictest5306-21users11:43:020
261059910017,21cyclictest21698-21df_inode10:57:090
261059910015,23cyclictest26939-21irqstats11:12:250
261059910013,64cyclictest12781-21ssh10:31:420
26105999917,60cyclictest12185-21users12:03:050
26105999916,63cyclictest16460-21memory09:07:380
26105999916,21cyclictest23701-21ntp_states11:02:470
26105999915,64cyclictest18465-21df_inode12:22:100
26105999915,23cyclictest9698-21fw_conntrack10:22:160
26105999912,46cyclictest8535-21zcat11:52:510
26105999816,46cyclictest26729-21irqstats09:37:290
26105999816,45cyclictest1070-21fw_conntrack09:57:120
26105999816,43cyclictest28616-21fw_conntrack11:17:170
26105999816,42cyclictest11298-21df10:26:590
26105999816,22cyclictest9782-21df11:56:540
26105999815,62cyclictest15927-21ssh10:40:350
26105999815,50cyclictest0-21swapper10:54:180
26105999814,63cyclictest22486-21users12:33:070
26105999814,22cyclictest24879-21df_inode09:32:090
26105999715,45cyclictest14938-21df12:12:020
26105999714,63cyclictest20179-21df_inode12:27:110
26105999714,61cyclictest32590-21users11:28:030
26105999713,63cyclictest7821-21cut08:21:350
26105999712,26cyclictest3706-21ssh11:38:320
26105999617,61cyclictest26541-21irqstats07:06:590
26105999616,58cyclictest30393-21irqstats11:22:240
26105999615,61cyclictest16790-21fw_conntrack12:17:170
26105999612,21cyclictest27321-21munin-node07:11:270
26105999537,40cyclictest12945-21apt-get12:06:380
26105999515,61cyclictest25197-21/usr/sbin/munin11:07:190
26105999512,22cyclictest4517-21fw_conntrack10:07:130
26105999414,61cyclictest14074-21cat08:56:190
26105999334,39cyclictest5659-21wc08:07:160
26105999318,40cyclictest0-21swapper08:42:180
26105999314,44cyclictest839-21fw_conntrack07:41:530
26105999232,42cyclictest11333-21latency_hist08:41:180
26105999231,47cyclictest4006-21unixbench_singl07:57:200
26105999119,50cyclictest453-21munin-run07:41:160
26105999018,25cyclictest14431-21irqstats08:57:010
26105999012,59cyclictest6633-21grep08:12:190
26105999011,22cyclictest4178-21/usr/sbin/munin08:01:400
26105999011,21cyclictest15364-21cat09:02:050
26105998917,25cyclictest1456-21apt-get07:46:280
26105998917,24cyclictest7180-21fw_conntrack08:16:520
26105998910,57cyclictest13142-21cat08:51:170
2610599889,58cyclictest2812-21grep07:52:080
26105998819,52cyclictest0-21swapper07:36:160
26105998816,23cyclictest30514-21df07:26:450
26105998815,23cyclictest29623-21df07:21:430
26105998728,50cyclictest0-21swapper07:20:130
26105998714,24cyclictest9914-21irqstats08:31:580
26105998616,21cyclictest8884-21df08:26:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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