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2026-09-23 - 01:22
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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 Tue Sep 22, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30868224660,13sleep029438-1kworker/u3:206:55:270
319019910520,43cyclictest22005-21apt-get12:10:120
319019910316,23cyclictest18786-21df_inode10:25:480
319019910216,23cyclictest32398-21fw_conntrack09:30:560
319019910215,65cyclictest10251-21fw_conntrack10:00:590
319019910133,51cyclictest0-21swapper09:09:140
319019910131,52cyclictest0-21swapper10:43:370
319019910116,23cyclictest1992-21memory11:11:190
319019910115,23cyclictest25409-21apt-get12:20:170
319019910111,55cyclictest21840-21ssh12:09:490
319019910018,44cyclictest16691-21ssh11:54:460
319019910017,61cyclictest5209-21df_inode11:20:470
319019910013,27cyclictest3859-21timerandwakeup09:41:420
319019910011,51cyclictest21604-21ssh10:34:130
31901999919,60cyclictest11810-21/usr/sbin/munin11:40:300
31901999918,59cyclictest18833-21df12:00:430
31901999916,43cyclictest24098-21fw_conntrack12:15:580
31901999915,22cyclictest29209-21ntp_states09:21:290
31901999912,67cyclictest12895-21ssh10:08:330
31901999816,43cyclictest1746-21munin-run07:09:570
31901999816,21cyclictest14363-21users11:46:430
31901999816,19cyclictest6799-21df_inode09:50:500
31901999815,64cyclictest10403-21fw_conntrack11:36:010
31901999815,44cyclictest29009-21df10:55:440
31901999815,35cyclictest20149-21df_inode08:50:330
31901999814,62cyclictest15032-21apt-get10:15:240
31901999812,23cyclictest31319-21ssh09:27:070
31901999810,27cyclictest27285-21ssh10:50:370
31901999810,25cyclictest6920-21df_inode11:25:470
3190199979,27cyclictest9055-21head09:56:410
31901999744,36cyclictest5153-21if_eth009:46:040
31901999737,42cyclictest0-21swapper11:16:490
31901999729,50cyclictest0-21swapper11:08:590
31901999717,62cyclictest13321-21apt-get10:10:220
31901999717,58cyclictest25428-21df09:10:410
31901999717,19cyclictest10240-21df_inode07:55:330
31901999714,23cyclictest27500-21ntp_states09:16:270
31901999712,65cyclictest6661-21fw_conntrack07:35:380
31901999712,63cyclictest26082-21switchtime10:46:350
31901999711,24cyclictest22756-21sort10:36:400
3190199969,46cyclictest11976-21grep08:05:280
31901999616,42cyclictest17832-21ssh11:56:520
31901999615,44cyclictest8689-21fw_conntrack11:30:580
31901999615,23cyclictest32526-21wc07:00:580
31901999614,22cyclictest22053-21df_inode09:00:520
31901999611,62cyclictest1524-21ssh09:35:370
31901999611,25cyclictest28749-21grep12:30:010
3190199959,25cyclictest3146-21sort07:15:440
31901999418,36cyclictest21049-21df_inode08:55:310
31901999416,57cyclictest30818-21fw_conntrack11:00:560
31901999415,38cyclictest18966-21apt-get08:45:170
31901999414,60cyclictest12968-21fw_conntrack08:10:330
3190199939,24cyclictest4393-21sed07:21:040
31901999315,41cyclictest17089-21df_inode10:20:530
31901999314,40cyclictest16166-21munin-run08:29:570
31901999312,60cyclictest4944-21cat07:25:440
31901999134,19cyclictest16455-21wc08:30:230
3190199909,65cyclictest14817-21uname08:20:440
3190199909,60cyclictest18279-21df_abs08:40:290
31901999018,24cyclictest11616-21users08:01:080
31901999010,63cyclictest8185-21wget07:45:190
31901998919,24cyclictest17937-21users08:36:050
31901998915,36cyclictest2275-21memory07:10:450
31901998717,22cyclictest9408-21irqstats07:50:410
31901998716,23cyclictest5758-21fw_conntrack07:30:320
31901998713,25cyclictest13676-21/usr/sbin/munin08:15:200
31901998627,44cyclictest0-21swapper07:41:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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