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2026-06-20 - 09:16
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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 376 highest latencies:
System rack5slot7.osadl.org (updated Sat Jun 20, 2026 00:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
6460223972160,184sleep00-21swapper19:02:080
67689910532,60cyclictest0-21swapper21:57:400
67689910419,64cyclictest20124-21apt-get23:49:560
67689910417,66cyclictest15261-21df23:35:200
67689910219,43cyclictest1672-21df00:30:210
67689910213,29cyclictest23325-21ssh23:59:030
67689910118,62cyclictest1213-21/usr/sbin/munin22:56:310
67689910117,44cyclictest6154-21apt-get21:34:500
67689910115,23cyclictest30339-21fw_conntrack21:10:330
67689910112,68cyclictest13040-21ssh23:29:070
67689910110,68cyclictest28516-21sed21:05:240
67689910019,60cyclictest18673-21df23:45:150
67689910018,44cyclictest16465-21apt-get22:04:580
67689910017,62cyclictest13647-21fw_conntrack23:30:330
67689910016,64cyclictest18710-21memory22:10:520
67689910016,63cyclictest12909-21munin-run21:54:390
67689910015,23cyclictest7325-21users23:11:240
67689910014,64cyclictest22062-21ssh22:20:420
67689910011,66cyclictest1405-21ssh21:20:390
6768999917,64cyclictest28524-21apt-get22:39:560
6768999914,62cyclictest8015-21aten_r5power_vo21:40:090
6768999912,68cyclictest28595-21snmpd00:10:180
6768999818,59cyclictest25801-21memory00:05:560
6768999818,58cyclictest15691-21users22:01:210
6768999817,61cyclictest9729-21munin-run23:19:360
6768999817,24cyclictest25210-21/usr/sbin/munin22:30:110
6768999816,43cyclictest30487-21df22:45:200
6768999815,22cyclictest9943-21df_inode21:45:310
6768999812,66cyclictest5170-21zcat21:31:140
6768999812,25cyclictest29917-21ssh00:17:400
6768999733,45cyclictest0-21swapper20:29:430
6768999714,44cyclictest32666-21memory00:25:540
6768999617,59cyclictest23608-21df22:25:190
6768999616,43cyclictest10293-21irqstats23:20:440
6768999616,41cyclictest20268-21df_inode22:15:290
6768999612,47cyclictest24199-21ntp_states00:01:100
676899959,63cyclictest2859-21grep21:25:090
6768999516,41cyclictest32491-21memory22:50:570
6768999515,60cyclictest27244-21irqstats22:35:480
6768999514,22cyclictest17237-21memory23:40:550
6768999315,61cyclictest15628-21grep19:54:550
6768999315,57cyclictest8288-21munin-run19:14:360
6768999315,25cyclictest17085-21sendmail_mailqu20:00:440
6768999314,59cyclictest31702-21/usr/sbin/munin21:14:440
6768999314,45cyclictest4757-21ssh23:05:060
6768999313,50cyclictest0-21swapper23:04:040
6768999312,59cyclictest9572-21df_inode19:20:110
6768999312,44cyclictest26302-21sendmail-msp20:54:360
6768999215,57cyclictest11885-21munin-run19:34:360
6768999213,43cyclictest13008-21wget19:39:590
6768999212,29cyclictest8936-21processes19:15:490
6768999211,61cyclictest31377-21ssh00:21:250
6768999114,26cyclictest14054-21df_inode19:45:070
6768999113,62cyclictest0-21swapper20:55:450
6768999111,57cyclictest10247-21tr19:24:580
6768999011,31cyclictest28104-21ssh21:04:360
6768998916,20cyclictest18489-21df20:10:040
6768998913,24cyclictest19203-21/usr/sbin/munin20:14:570
6768998817,22cyclictest23143-21irqstats20:35:170
6768998816,23cyclictest15091-21memory19:50:240
6768998815,57cyclictest0-21swapper20:05:090
6768998814,53cyclictest24799-21df20:45:030
6768998718,22cyclictest20445-21irqstats20:20:200
6768998717,24cyclictest12758-21users19:35:420
6768998715,26cyclictest21198-21df20:25:040
676899869,20cyclictest24419-21sed20:40:410
6768998617,22cyclictest7073-21df19:05:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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