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2026-04-02 - 18:25
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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 Thu Apr 02, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1923223040,59sleep00-21swapper/019:09:150
20969914978,32cyclictest1877-21https23:20:080
20969913970,29cyclictest11163-21grep23:55:160
20969913676,19cyclictest29692-21users20:55:480
20969913286,36cyclictest2582-21df_inode23:20:320
20969913079,39cyclictest4945-21tr19:20:010
20969912778,38cyclictest4830-21iwlist21:25:280
20969912679,36cyclictest18568-21memory22:20:320
20969912575,38cyclictest22680-21df_inode20:30:190
20969912572,42cyclictest26964-21irqstats20:45:570
20969912476,37cyclictest14156-21ntp_states19:55:400
20969912475,37cyclictest21006-21apt-get22:30:410
20969912470,36cyclictest1305-21snmpd23:27:440
20969912376,36cyclictest812-21avahi-daemon22:00:030
20969912372,39cyclictest3022-21ntp_states19:11:190
20969912275,35cyclictest6729-21seq21:33:250
20969912274,40cyclictest4138-21sshd21:22:280
20969912274,37cyclictest23987-21latency_hist22:40:080
20969912267,37cyclictest1305-21snmpd22:06:200
20969912184,26cyclictest23877-21apt-get22:41:300
20969912175,34cyclictest8976-21df_inode19:35:180
20969912174,36cyclictest20075-21cmp22:25:250
20969912174,36cyclictest10239-21/usr/sbin/munin23:50:430
20969912174,35cyclictest6077-21/usr/sbin/munin23:35:540
20969912173,36cyclictest30931-21memory23:05:320
20969912171,38cyclictest14530-21chrt00:08:400
20969912080,31cyclictest29386-21/usr/sbin/munin23:00:290
20969912074,36cyclictest17377-21latency_hist20:10:000
20969912073,36cyclictest32713-21apt-get21:11:020
20969911981,26cyclictest1305-21snmpd19:20:270
20969911971,37cyclictest17381-21wget00:20:120
20969911876,33cyclictest29253-21latency_hist23:00:010
20969911874,33cyclictest1305-21snmpd23:15:010
20969911873,35cyclictest16192-21wget00:15:150
20969911868,39cyclictest13586-21memory22:00:320
20969911867,32cyclictest10250irq/56-4a10000019:50:420
20969911854,49cyclictest10250irq/56-4a10000020:25:130
20969911777,29cyclictest754-21systemd-journal21:52:070
20969911773,35cyclictest21498-21sshd00:38:520
20969911772,35cyclictest31822-21fw_forwarded_lo21:05:260
20969911771,34cyclictest30577-21fw_conntrack21:00:240
20969911770,36cyclictest8772-21df_inode23:45:190
20969911770,35cyclictest2044-21/usr/sbin/munin21:15:310
20969911673,32cyclictest24983-21/usr/sbin/munin20:40:140
20969911670,36cyclictest20199-21df20:20:180
20969911669,36cyclictest7334-21irqstats21:35:300
20969911581,24cyclictest5036-21diskstats23:30:200
20969911569,34cyclictest24386-21runrttasks20:36:110
20969911567,37cyclictest19032-21irqstats20:15:300
20969911481,23cyclictest28234-21ntp_states20:50:380
20969911465,37cyclictest10662-21munin-run21:50:010
20969911380,23cyclictest754-21systemd-journal19:25:260
20969911376,27cyclictest25689-21grep22:45:130
20969911180,21cyclictest10041-21/usr/sbin/munin19:40:290
20969911180,20cyclictest15144-21runrttasks00:10:330
20969911177,24cyclictest8665-21apt19:35:000
20969911168,34cyclictest11384-21aten_r7power_vo19:45:150
20969911165,36cyclictest27063-21chrt22:50:150
20969911165,36cyclictest18780-21df00:25:180
20969911162,37cyclictest175302chrt20:10:130
20969911079,21cyclictest12728-21ntp_states00:00:410
20969911078,23cyclictest19889-21tr00:30:130
20969911075,23cyclictest8530-21fw_conntrack21:40:240
20969910964,34cyclictest7330-21/usr/sbin/munin23:40:440
20969910877,21cyclictest15292-21awk20:00:280
20969910874,23cyclictest16988-21/usr/sbin/munin22:15:200
20969910863,33cyclictest15941-21df_inode22:10:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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