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2026-04-01 - 16:07
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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 01, 2026 12:44:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29939225050,11sleep025841-1kworker/u3:007:03:420
311829917219,24cyclictest17333-21apt-get12:08:420
311829917134,117cyclictest29733-21ntpq11:09:480
311829917019,124cyclictest22952-21irqstats12:24:320
311829917013,132cyclictest16762-21ssh10:32:280
311829917012,134cyclictest9477-21grep08:08:440
311829916820,122cyclictest8340-21munin-run10:08:240
311829916818,125cyclictest24656-21irqstats12:29:290
311829916817,126cyclictest16568-21apt-get08:48:370
311829916816,126cyclictest26636-21users11:00:120
311829916718,21cyclictest1562-21apt-get09:48:410
311829916712,23cyclictest4611-21ssh09:57:000
311829916710,131cyclictest24187-21expr10:53:590
311829916617,25cyclictest8477-21apt-get08:03:380
311829916617,127cyclictest9409-21users10:10:120
311829916617,124cyclictest20796-21apt-get12:18:410
311829916612,126cyclictest22524-21ntpq09:14:460
311829916516,125cyclictest23687-21apt-get09:18:410
311829916514,22cyclictest28837-21/usr/sbin/munin09:34:380
311829916419,24cyclictest10178-21apt-get10:13:400
311829916417,122cyclictest8749-21apt-get11:43:430
311829916415,127cyclictest16001-21fw_conntrack12:04:210
311829916415,123cyclictest1690-21snmpd10:24:500
311829916413,131cyclictest32529-21/usr/sbin/munin09:44:000
311829916413,127cyclictest27101-21cat09:28:280
311829916412,129cyclictest31119-21/usr/sbin/munin11:14:060
311829916412,129cyclictest27780-21/usr/sbin/munin11:04:180
311829916412,127cyclictest20661-21irqstats09:09:320
311829916317,123cyclictest2308-21irqstats11:24:300
311829916316,21cyclictest7018-21apt-get11:38:390
311829916314,24cyclictest22694-21irqstats10:49:330
311829916312,126cyclictest15494-21ssh12:03:200
311829916219,120cyclictest3828-21users07:34:310
311829916216,121cyclictest30574-21apt-get09:38:470
311829916215,21cyclictest32586-21apt-get11:18:420
311829916213,125cyclictest12170-21/usr/sbin/munin11:54:360
311829916213,124cyclictest17076-21apt-get10:33:420
311829916211,126cyclictest1841-21/usr/sbin/munin07:24:220
311829916210,130cyclictest19951-21sed12:15:040
311829916119,26cyclictest3986-21fw_conntrack11:29:300
311829916117,24cyclictest18807-21apt-get10:38:390
311829916117,120cyclictest15681-21apt-get08:43:360
311829916116,122cyclictest5291-21df09:59:040
311829916113,124cyclictest32196-21munin-node07:13:310
311829916036,102cyclictest18380-21/usr/sbin/munin08:59:080
311829916034,107cyclictest12102-21sort11:53:250
311829916019,25cyclictest351-21apt-get07:18:380
311829916016,26cyclictest19282-21apt-get09:03:350
311829916015,122cyclictest5770-21apt-get07:48:360
311829916014,122cyclictest20804-21df10:44:060
311829916014,121cyclictest12155-21ssh10:19:030
311829916011,125cyclictest5289-21/usr/sbin/munin11:34:370
311829915817,25cyclictest27538-21munin-run12:38:210
311829915716,117cyclictest12293-21df08:23:530
311829915715,119cyclictest10976-21grep08:14:260
311829915714,124cyclictest27598-21irqstats09:29:400
311829915711,28cyclictest11188-21sshd08:18:390
311829915520,28cyclictest4271-21fw_conntrack07:39:000
311829915514,118cyclictest13002-21grep08:28:430
311829915421,28cyclictest15120-21irqstats08:39:030
311829915414,117cyclictest7626-21basename07:58:420
311829915412,22cyclictest7398-21grep07:54:260
311829915411,123cyclictest13951-21wget08:33:440
311829915316,24cyclictest4883-21apt-get07:43:370
311829915311,120cyclictest2832-21grep07:29:260
311829915311,119cyclictest17469-21apt-get08:53:370
311829915214,115cyclictest31619-21irqstats07:09:090
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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