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2026-04-13 - 15:40
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 100 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 highest latencies:
System rack7slot8.osadl.org (updated Mon Apr 13, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18679217222,42sleep018723-21aten_r7power_po19:05:130
198519914364,57cyclictest12323-21apt-get20:50:040
198519914354,36cyclictest20186-21apt-get21:17:190
198519914162,57cyclictest3302-21runrttasks00:25:080
198519913964,53cyclictest32494-21sshd00:11:220
198519913665,51cyclictest3915-21ntp_states00:26:140
198519913662,36cyclictest29143-21munin-run00:00:030
198519913357,35cyclictest15629-21wget23:05:150
198519913355,37cyclictest32451-21df22:05:180
198519913354,34cyclictest2010-21node19:40:330
198519913267,48cyclictest24715-21seq19:29:180
198519913248,48cyclictest26345-21df19:35:170
198519913171,42cyclictest754-21systemd-journal23:00:010
198519913161,50cyclictest30895-21cut22:00:020
198519913069,41cyclictest26809-21ls21:45:050
198519913062,34cyclictest17109-21irqstats23:10:310
198519913056,19cyclictest11321-21apt-get22:52:070
198519912961,49cyclictest30747-21sshd00:05:220
198519912958,35cyclictest2855-21ntp_states20:10:420
198519912958,35cyclictest13044-21df_inode20:50:310
198519912956,36cyclictest988-21ntp_states00:15:400
198519912953,41cyclictest22005-21df23:30:230
198519912883,34cyclictest15082-21sshd20:59:190
198519912855,19cyclictest1608-21ntpd22:12:120
198519912853,38cyclictest20446-21latency_hist23:25:020
198519912755,34cyclictest23374-21diskstats21:30:230
198519912753,56cyclictest28073-21runrttasks21:47:130
198519912749,22cyclictest25318-21ntp_states19:30:410
198519912658,52cyclictest9272-21memory22:40:340
198519912656,31cyclictest29332-21wget00:00:130
198519912654,40cyclictest1305-21snmpd19:48:460
198519912654,19cyclictest24614-21diskstats21:35:230
198519912561,22cyclictest21083-21ntp_states21:20:430
198519912561,22cyclictest17973-21df21:10:170
198519912552,19cyclictest5452-21fw_conntrack22:25:250
198519912551,18cyclictest32604-21diskstats20:00:230
198519912450,36cyclictest6613-21ntp_states20:25:420
198519912443,38cyclictest21936-21apt-get19:17:050
198519912371,40cyclictest18251-21df_inode23:15:230
198519912358,23cyclictest10138-21df20:40:190
198519912351,36cyclictest1305-21snmpd00:37:460
198519912264,42cyclictest787-21haveged23:00:130
198519912258,23cyclictest22158-21fw_forwarded_lo21:25:260
198519912253,36cyclictest20857-21irqstats23:25:280
198519912175,35cyclictest1194-21/usr/sbin/munin20:05:440
198519912169,35cyclictest1608-21ntpd21:04:450
198519912153,33cyclictest23075-21wget23:35:140
198519912153,32cyclictest1305-21snmpd20:23:530
198519912061,42cyclictest7940-21/usr/sbin/munin22:35:280
198519912059,19cyclictest7637-21df20:30:180
198519912051,48cyclictest27465-21sshd23:51:220
198519911964,43cyclictest8896-21diskstats20:35:230
198519911956,45cyclictest3695-21/usr/sbin/munin20:15:230
198519911956,22cyclictest10394-21df_inode22:45:200
198519911954,30cyclictest1305-21snmpd23:46:490
198519911870,36cyclictest5097-21irqstats00:30:300
198519911869,37cyclictest28733-21diskstats21:50:240
198519911857,44cyclictest16546-21/usr/sbin/munin21:05:310
198519911751,29cyclictest29957-21wget19:50:150
198519911750,50cyclictest31247-21wget19:55:150
198519911743,33cyclictest4180-21df22:20:200
198519911681,24cyclictest3852-21munin-run22:20:010
198519911675,32cyclictest22653-21runrttasks19:20:220
198519911671,33cyclictest24419-21aten_r7power_vo23:40:190
198519911565,37cyclictest19930-21/usr/sbin/munin19:10:420
198519911444,50cyclictest1-21systemd22:33:220
198519911252,21cyclictest31804-21seq22:02:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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