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2026-05-16 - 13:42
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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 00:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16219223972208,137sleep00-21swapper19:04:380
164359913858,54cyclictest29388-21irqstats23:47:310
164359913759,52cyclictest8538-21apt-get00:21:360
164359913662,32cyclictest27675-21irqstats23:42:250
164359913558,51cyclictest11723-21apt-get22:56:330
164359913460,49cyclictest5438-21df_inode00:12:100
164359913455,53cyclictest9995-21apt-get22:51:360
164359913358,50cyclictest22712-21users21:53:060
164359913355,53cyclictest30661-21apt-get23:51:360
164359913260,48cyclictest7355-21memory00:17:370
164359913158,49cyclictest26935-21apt-get22:06:360
164359913156,51cyclictest11963-21/usr/sbin/munin00:32:030
164359913058,48cyclictest18333-21apt-get21:41:350
164359913057,50cyclictest6240-21apt-get21:06:370
164359913056,53cyclictest17521-21munin-node00:01:250
164359913056,49cyclictest1374-21apt-get22:26:340
164359912966,42cyclictest10907-21ssh00:27:500
164359912966,37cyclictest15158-21apt-get23:06:390
164359912965,45cyclictest19223-21ssh23:17:420
164359912962,44cyclictest23773-21/usr/sbin/munin23:31:510
164359912959,49cyclictest20366-21/usr/sbin/munin21:47:030
164359912958,49cyclictest29606-21users22:13:070
164359912958,45cyclictest22062-21apt-get23:26:370
164359912957,50cyclictest11581-21aten_r5power_vo21:21:490
164359912957,32cyclictest17234-21df_inode23:12:070
164359912955,32cyclictest4873-21ssh22:36:360
164359912954,50cyclictest23493-21apt-get21:56:350
164359912855,48cyclictest15145-21df21:32:000
164359912854,50cyclictest20348-21apt-get23:21:320
164359912771,32cyclictest8296-21sh22:46:340
164359912758,47cyclictest1536-21munin-run00:01:170
164359912756,46cyclictest16612-21apt-get21:36:360
164359912753,32cyclictest25896-21fw_conntrack23:37:180
164359912751,52cyclictest17478-21munin-node19:11:220
164359912654,49cyclictest4716-21munin-run22:36:170
164359912651,34cyclictest6913-21df_inode22:42:080
164359912556,47cyclictest3709-21df_inode00:07:100
164359912555,31cyclictest8314-21df_inode21:12:080
164359912554,49cyclictest13145-21/usr/sbin/munin21:27:510
164359912553,31cyclictest30399-21apt-get22:16:360
164359912552,50cyclictest9721-21/usr/sbin/munin21:17:410
164359912552,50cyclictest13444-21apt-get23:01:320
164359912551,52cyclictest32118-21apt-get22:21:330
164359912463,36cyclictest24233-21apt-get19:46:320
164359912456,45cyclictest25933-21munin-run19:56:160
164359912451,51cyclictest26112-21head22:02:590
164359912449,34cyclictest6103-21cron21:06:140
164359912448,52cyclictest20596-21grep19:26:190
164359912355,48cyclictest31972-21wc20:27:140
164359912352,48cyclictest677-21munin-run20:36:160
164359912351,33cyclictest29542-21munin-run20:16:160
164359912251,49cyclictest23733-21ls19:42:070
164359912250,49cyclictest5029-21grep20:57:180
164359912049,47cyclictest17594-21basename19:11:300
164359912047,51cyclictest1259-21grep20:37:080
164359911949,49cyclictest31271-21sed20:22:200
164359911949,48cyclictest4305-21munin-run20:56:170
164359911948,51cyclictest19593-21sed19:17:220
164359911947,51cyclictest22662-21sed19:36:450
164359911942,35cyclictest27518-21processes20:02:150
164359911774,27cyclictest2366-21timerandwakeup20:42:170
164359911760,34cyclictest21529-21/usr/sbin/munin19:32:110
164359911747,32cyclictest26077-21cut19:56:360
164359911662,34cyclictest21159-21ps19:27:140
164359911647,48cyclictest28412-21grep20:07:150
164359911644,50cyclictest30453-21latency_hist20:21:150
164359911545,31cyclictest3111-21/usr/sbin/munin20:47:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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