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2026-04-22 - 14:24
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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 Wed Apr 22, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16957224502206,95sleep00-21swapper07:06:530
170439910819,25cyclictest16419-21apt-get09:37:400
170439910221,59cyclictest29003-21df_inode11:48:110
170439910117,63cyclictest15310-21ntp_states09:33:550
170439910117,42cyclictest27123-21fw_conntrack10:08:240
170439910017,22cyclictest13476-21df11:03:060
170439910016,65cyclictest3548-21irqstats12:08:350
170439910016,46cyclictest19969-21munin-run11:22:250
170439910015,63cyclictest18584-21irqstats09:43:290
170439910013,67cyclictest12003-21sed12:33:090
170439910012,47cyclictest6122-21cut09:07:550
1704399999,26cyclictest10509-21ssh12:28:430
17043999918,22cyclictest1426-21df10:28:070
17043999917,60cyclictest8574-21memory10:48:430
17043999916,63cyclictest27224-21df11:43:050
17043999916,63cyclictest25630-21fw_conntrack11:38:230
17043999916,44cyclictest9878-21df_inode09:18:150
17043999916,43cyclictest16967-21df_inode11:13:130
17043999915,63cyclictest23939-21ntp_states09:58:540
17043999914,44cyclictest1758-21fw_conntrack12:03:230
17043999914,23cyclictest6921-21fw_conntrack12:18:210
17043999911,48cyclictest30779-21/usr/sbin/munin10:18:470
1704399989,24cyclictest1214-21ssh12:02:170
17043999811,23cyclictest28620-21wget10:12:570
17043999810,51cyclictest21673-21munin-run11:27:250
17043999717,60cyclictest8532-21df12:23:070
17043999715,61cyclictest5139-21apt09:02:320
17043999714,62cyclictest7363-21sshd10:44:350
17043999714,61cyclictest18084-21munin-node07:12:290
17043999713,64cyclictest8134-21df_inode09:13:160
17043999712,62cyclictest25667-21ssh10:03:530
17043999712,45cyclictest12081-21/usr/sbin/munin10:58:480
17043999618,41cyclictest3236-21df_inode10:33:150
17043999616,60cyclictest5154-21df_inode12:13:160
17043999616,59cyclictest22127-21memory09:53:460
17043999616,42cyclictest5062-21irqstats10:38:310
17043999614,62cyclictest15248-21df_inode11:08:120
17043999613,62cyclictest12180-21users09:24:100
17043999612,46cyclictest23509-21apt-get11:32:500
17043999612,24cyclictest22148-21ssh11:28:180
17043999533,44cyclictest0-21swapper07:43:170
17043999515,44cyclictest13593-21ntp_states09:28:550
17043999515,20cyclictest30767-21fw_conntrack11:53:230
17043999514,61cyclictest20312-21irqstats09:48:350
17043999513,62cyclictest29519-21cut08:17:440
17043999512,47cyclictest10135-21ssh10:53:200
17043999511,26cyclictest32192-21ssh10:23:090
1704399939,64cyclictest20326-21head07:23:280
17043999313,41cyclictest21540-21wc07:32:460
17043999229,45cyclictest23010-21head07:38:250
17043999215,60cyclictest0-21swapper08:52:450
17043999212,21cyclictest2486-21cut08:47:430
17043999211,21cyclictest492-21latency_hist08:37:210
17043999210,44cyclictest26085-21df07:57:520
17043999114,22cyclictest29368-21munin-run08:17:220
17043999112,23cyclictest21043-21grep07:28:210
17043999040,37cyclictest25766-21sendmail07:57:220
17043998915,40cyclictest0-21swapper08:38:240
17043998913,28cyclictest24573-21/usr/sbin/munin07:48:200
17043998912,40cyclictest4919-21grep08:58:260
17043998818,22cyclictest1946-21memory08:43:110
17043998817,23cyclictest31474-21df08:27:520
17043998811,43cyclictest30377-21/usr/sbin/munin08:22:470
17043998810,58cyclictest27916-21sed08:07:530
17043998718,28cyclictest18084-21munin-node07:12:310
17043998716,24cyclictest18679-21apt-get07:17:380
17043998715,24cyclictest27113-21irqstats08:03:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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