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2026-09-19 - 23:54
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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 Sep 19, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13327224382199,89sleep00-21swapper06:58:550
134919912952,36cyclictest29091-21apt-get10:15:240
134919912754,50cyclictest349-21ssh12:00:420
134919912749,34cyclictest31354-21fw_conntrack11:56:070
134919912663,47cyclictest12613-21load11:01:230
134919912650,52cyclictest17262-21apt-get11:15:240
134919912552,32cyclictest8665-21apt-get10:50:290
134919912549,35cyclictest31428-21ntp_states10:21:370
134919912542,32cyclictest23253-21ssh11:31:470
134919912453,47cyclictest32512-21/usr/sbin/munin10:27:010
134919912450,50cyclictest5407-21apt-get12:15:280
134919912448,51cyclictest22215-21apt-get09:55:250
134919912447,52cyclictest15353-21apt-get09:35:240
134919912446,53cyclictest26461-21ntpq11:41:380
134919912359,38cyclictest3517-21apt-get10:35:280
134919912350,49cyclictest1958-21apt-get12:05:250
134919912348,49cyclictest3285-21apt-get09:00:270
134919912347,52cyclictest26274-21ntp_states10:06:380
134919912251,49cyclictest18779-21apt-get09:45:280
134919912250,49cyclictest8826-21apt-get12:25:330
134919912249,50cyclictest8474-21apt-get09:15:280
134919912248,52cyclictest21460-21users09:52:010
134919912248,32cyclictest23924-21apt-get10:00:320
134919912152,44cyclictest29269-21apt-get11:50:270
134919912151,47cyclictest25604-21head08:01:110
134919912151,46cyclictest17331-21df09:40:480
134919912150,36cyclictest2749-21ssh10:31:570
134919912149,34cyclictest27542-21apt-get11:45:270
134919912149,33cyclictest8532-21munin-run10:50:090
134919912144,35cyclictest29449-21aten_r5power_en08:25:280
134919912057,44cyclictest4610-21grep12:11:510
134919912053,48cyclictest24643-21memory11:36:240
134919912050,31cyclictest5025-21apt-get09:05:310
134919912048,49cyclictest7220-21irqstats09:11:220
134919912045,33cyclictest27750-21fw_conntrack10:11:050
134919912042,37cyclictest7906-21ls12:21:460
134919911952,44cyclictest26546-21users08:06:130
134919911946,49cyclictest13832-21ssh11:05:280
134919911946,49cyclictest10380-21apt-get10:55:320
134919911945,31cyclictest18970-21apt-get11:20:290
134919911854,46cyclictest5858-21ntp_states10:41:380
134919911847,49cyclictest14583-21/usr/sbin/munin09:31:540
134919911847,47cyclictest16804-21apt-get07:15:260
134919911846,50cyclictest10818-21ntp_states09:21:390
134919911846,32cyclictest15807-21df11:10:490
134919911844,51cyclictest21066-21ssh11:26:100
134919911844,35cyclictest21321-21cut07:40:280
134919911749,49cyclictest27553-21grep08:15:080
134919911746,49cyclictest13619-21wget07:00:260
134919911744,34cyclictest12262-21ssh09:26:040
134919911644,49cyclictest1333-21munin-run08:50:060
134919911557,36cyclictest17691-21apt-get07:20:220
134919911543,48cyclictest18588-21/usr/sbin/munin07:25:280
134919911542,32cyclictest15867-21grep07:10:100
134919911541,51cyclictest21106-21sed07:36:110
134919911453,36cyclictest30307-21apt-get08:30:240
134919911441,50cyclictest22276-21cut07:45:290
134919911360,27cyclictest32093-21apt-get08:40:210
134919911353,34cyclictest27608-21apt-get08:15:220
134919911343,48cyclictest3167-21munin-run09:00:080
134919911342,47cyclictest1453-21apt-get08:50:220
134919911338,37cyclictest23833-21sed07:51:100
134919911241,50cyclictest24849-21cat08:00:080
134919911241,47cyclictest19607-21basename07:30:300
134919911239,50cyclictest16493-21wc07:11:070
134919911158,29cyclictest31206-21apt-get08:35:220
134919911054,35cyclictest28493-21/usr/sbin/munin08:20:530
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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