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2026-07-20 - 03:57
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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 Mon Jul 20, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9296224052214,141sleep00-21swapper18:58:150
106429913457,52cyclictest17935-21apt-get23:28:260
106429913155,51cyclictest28013-21apt-get22:23:280
106429912963,43cyclictest2513-21df_inode21:09:020
106429912957,49cyclictest11048-21apt-get23:08:260
106429912953,50cyclictest9067-21apt-get21:28:280
106429912864,44cyclictest16972-21sendmail_mailqu23:24:450
106429912852,52cyclictest12765-21wc21:38:450
106429912654,48cyclictest17963-21df21:53:490
106429912653,51cyclictest4393-21apt-get00:23:260
106429912653,49cyclictest21904-21memory23:39:280
106429912552,34cyclictest23452-21fw_conntrack23:44:050
106429912548,52cyclictest19664-21apt-get23:33:350
106429912452,32cyclictest7702-21munin-run00:33:070
106429912450,52cyclictest10796-21/usr/sbin/munin21:33:370
106429912449,50cyclictest3918-21apt-get21:13:260
106429912449,35cyclictest25743-21users23:49:580
106429912354,48cyclictest25892-21ssh22:16:430
106429912353,46cyclictest26534-21apt-get23:53:260
106429912352,48cyclictest29732-21apt-get22:28:270
106429912351,49cyclictest717-21apt-get22:38:270
106429912349,51cyclictest8943-21munin-run21:28:060
106429912349,50cyclictest13324-21memory23:14:290
106429912342,53cyclictest7828-21awk22:58:430
106429912253,48cyclictest19418-21apt-get21:58:290
106429912251,49cyclictest5111-21users22:49:560
106429912251,33cyclictest28627-21df_inode23:59:060
106429912251,32cyclictest2724-21df22:43:500
106429912249,50cyclictest31683-21apt-get00:08:270
106429912248,51cyclictest1239-21ssh21:04:520
106429912248,32cyclictest9320-21/usr/sbin/munin23:05:000
106429912247,52cyclictest14505-21/usr/sbin/munin23:19:410
106429912244,51cyclictest31457-21apt-get22:33:270
106429912162,34cyclictest944-21apt-get00:13:240
106429912159,44cyclictest6357-21ssh22:54:180
106429912153,46cyclictest16505-21ssh21:49:290
106429912152,47cyclictest23381-21memory22:09:270
106429912149,50cyclictest30495-21memory00:04:270
106429912051,31cyclictest23737-21munin-run20:13:060
106429912047,51cyclictest3354-21/usr/sbin/munin00:19:400
106429912047,51cyclictest14499-21df21:43:490
106429912046,49cyclictest11680-21munin-node19:08:130
106429911870,29cyclictest12614-21open_files19:09:240
106429911866,31cyclictest24746-21/usr/sbin/munin20:19:040
106429911848,49cyclictest22542-21ssh22:07:180
106429911847,48cyclictest5627-21apt-get21:18:320
106429911845,50cyclictest31943-21/usr/sbin/munin20:58:340
106429911845,34cyclictest26573-21df22:18:510
106429911745,49cyclictest13980-21tr19:18:270
106429911745,35cyclictest30597-21tr20:49:010
106429911744,49cyclictest20302-21tr19:53:270
106429911646,48cyclictest24056-21df20:13:340
106429911645,51cyclictest18398-21wc19:43:090
106429911641,34cyclictest25841-21df20:23:350
106429911556,35cyclictest15735-21apt-get19:28:220
106429911543,33cyclictest29969-21unixbench_singl20:44:120
106429911540,51cyclictest27060-21grep20:29:060
106429911460,33cyclictest28347-21apt-get20:38:190
106429911451,43cyclictest21143-21apt-get19:58:300
106429911444,30cyclictest20052-21grep19:49:140
106429911442,35cyclictest27703-21sed20:33:380
106429911342,49cyclictest14892-21grep19:23:300
106429911342,49cyclictest13306-21sed19:13:400
106429911266,28cyclictest19240-21cat19:48:080
106429911155,33cyclictest31048-21apt-get20:53:250
106429911137,51cyclictest22039-21aten_r5power_cu20:03:260
106429911051,36cyclictest16645-21/usr/sbin/munin19:34:050
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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