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2026-07-01 - 16:20
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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 Wed Jul 01, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1088222034,52sleep00-21swapper/019:09:460
11839913665,51cyclictest8868-21chrt19:38:410
11839913573,42cyclictest1-21systemd00:00:010
11839913266,50cyclictest27046-21munin-run23:00:030
11839913258,18cyclictest12814-21runrttasks19:52:110
11839913169,46cyclictest19992-21wget20:20:160
11839913060,35cyclictest843-21apt-get23:25:280
11839912869,39cyclictest15291-21/usr/sbin/munin22:10:440
11839912863,24cyclictest17741-21sshd00:29:370
11839912857,37cyclictest22059-21munin-run22:40:020
11839912855,38cyclictest2650-21wget19:15:150
11839912855,36cyclictest11521-21ntp_states21:55:400
11839912764,33cyclictest23614-21df22:45:160
11839912667,40cyclictest20400-21seq00:40:020
11839912654,53cyclictest22495-21wget20:30:150
11839912455,34cyclictest1305-21snmpd20:43:540
11839912454,18cyclictest14395-21apt-get20:00:360
11839912453,37cyclictest12258-21apt-get22:01:400
11839912381,34cyclictest1245-21basename21:15:160
11839912361,20cyclictest16381-21fw_conntrack20:05:240
11839912356,26cyclictest14163-21irqstats00:15:310
11839912354,51cyclictest5116-21/usr/sbin/munin23:40:230
11839912354,50cyclictest10285-21ntp_states21:50:400
11839912276,37cyclictest7815-21df23:50:330
11839912266,35cyclictest6704-21wget19:30:130
11839912262,39cyclictest1-21systemd00:30:100
11839912259,47cyclictest18243-21seq22:24:150
11839912252,33cyclictest32332-21/usr/sbin/munin21:10:340
11839912251,33cyclictest6549-21df23:45:180
11839912177,35cyclictest19395-21apt-get20:17:040
11839912152,53cyclictest11676-21memory00:05:330
11839912152,35cyclictest5155-21fw_forwarded_lo21:30:270
11839912151,49cyclictest7610-21df_inode21:40:180
11839912150,50cyclictest30041-21ntp_states23:10:390
11839912150,36cyclictest881-21https23:25:060
11839912143,21cyclictest3672-21apt-get19:22:080
11839912068,34cyclictest15143-21/usr/sbin/munin00:20:140
11839912055,48cyclictest2671-21fw_conntrack21:20:260
11839911972,35cyclictest26725-21chrt20:45:490
11839911960,25cyclictest24015-21ntp_states20:35:430
11839911950,37cyclictest10333-21diskstats00:00:230
11839911948,21cyclictest18850-21ntp_states22:25:410
11839911948,17cyclictest19903-21diskstats22:30:240
11839911945,33cyclictest3735-21wget21:25:140
11839911878,29cyclictest29724-21munin-run21:00:020
11839911867,40cyclictest31279-21ntp_states23:15:390
11839911857,19cyclictest9365-21df_inode19:40:190
11839911856,22cyclictest754-21systemd-journal19:25:080
11839911854,22cyclictest16708-21apt-get22:17:120
11839911852,32cyclictest6158-21/usr/sbin/munin21:35:570
11839911753,48cyclictest1305-21snmpd23:04:250
11839911753,45cyclictest28625-21diskstats23:05:220
11839911748,35cyclictest12940-21/usr/sbin/munin00:10:320
11839911746,33cyclictest1305-21snmpd22:54:210
11839911663,40cyclictest17779-21ntp_states20:10:400
11839911658,44cyclictest10250irq/56-4a10000021:45:170
11839911648,31cyclictest1305-21snmpd19:58:450
11839911573,32cyclictest754-21systemd-journal19:47:410
11839911571,32cyclictest30241-21ntp_states21:00:400
11839911471,35cyclictest27360-21/usr/sbin/munin20:50:160
11839911468,34cyclictest4257-21ntp_states23:35:420
11839911453,21cyclictest31386-21irqstats21:05:290
11839911353,31cyclictest3473-21seq23:32:470
11839911348,24cyclictest1894-21users19:10:490
11839911345,51cyclictest21782-21runrttasks20:26:000
11839911344,32cyclictest812-21avahi-daemon22:40:460
11839911150,45cyclictest1305-21snmpd22:09:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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