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2026-03-11 - 16:53
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Wed Mar 11, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5213219725,55sleep05223-21users07:05:360
58229915075,37cyclictest28888-21/usr/sbin/munin10:45:040
58229914883,24cyclictest20307-21/usr/sbin/munin10:10:430
58229914869,58cyclictest15764-21/usr/sbin/munin07:50:030
58229914782,49cyclictest17052-21apt-config12:05:110
58229914770,20cyclictest23101-21fw_conntrack08:15:270
58229914765,39cyclictest9429-21/usr/sbin/munin11:35:110
58229914763,23cyclictest6934-21apt-get09:22:100
58229914669,38cyclictest18910-21ntp_states12:10:360
58229914570,36cyclictest1305-21snmpd08:11:300
58229914471,37cyclictest4050-21apt-get09:12:120
58229914469,35cyclictest31802-21diskstats08:50:200
58229914466,37cyclictest6192-21ntp_states09:15:390
58229914463,32cyclictest4840-21sh11:15:410
58229914373,52cyclictest26645-21wget08:30:110
58229914370,36cyclictest24423-21ntp_states10:25:410
58229914370,34cyclictest1305-21snmpd10:47:080
58229914369,38cyclictest15762-21apt-get07:51:230
58229914364,62cyclictest480-21wget08:55:140
58229914268,34cyclictest7202-21wget07:15:120
58229914267,41cyclictest24981-21fw_conntrack12:35:210
58229914176,46cyclictest12620-21sshd09:40:160
58229914168,35cyclictest22275-21/usr/sbin/munin12:25:080
58229914165,36cyclictest8377-21df11:30:160
58229914070,48cyclictest805-21rs:main0
58229914062,41cyclictest29380-21cat08:40:300
58229913970,49cyclictest812-21avahi-daemon11:30:020
58229913969,18cyclictest30865-21fw_conntrack10:50:260
58229913967,35cyclictest21341-21diskstats10:15:260
58229913883,42cyclictest17384-21apt-get07:55:430
58229913877,20cyclictest22964-21df_inode10:20:290
58229913873,47cyclictest11915-21runrttasks09:36:500
58229913871,47cyclictest2039-21cut11:05:140
58229913871,37cyclictest23757-21fw_forwarded_lo12:30:240
58229913766,33cyclictest19878-21wget12:15:130
58229913674,22cyclictest27184-21sshd10:36:200
58229913673,21cyclictest13972-21irqstats09:45:320
58229913669,39cyclictest6515-21users07:10:490
58229913668,36cyclictest19534-21ntp_states08:00:380
58229913655,32cyclictest25452-21df10:30:150
58229913565,48cyclictest15774-21wget12:00:100
58229913472,21cyclictest20996-21users08:05:490
58229913469,30cyclictest31956-21seq10:55:130
58229913463,37cyclictest714-21wget11:00:120
58229913462,35cyclictest1305-21snmpd10:01:550
58229913461,37cyclictest9843-21df07:25:150
58229913369,46cyclictest30359-21runrttasks08:45:130
58229913366,49cyclictest10966-21aten_r7power_po07:30:130
58229913365,36cyclictest11931-21munin-node11:45:140
58229913363,36cyclictest9756-21runrttasks09:29:350
58229913359,55cyclictest16970-21seq09:57:300
58229913280,41cyclictest4051-21munin-run09:10:040
58229913271,23cyclictest15108-21df_inode09:50:190
58229913268,48cyclictest1305-21snmpd09:01:410
58229913261,33cyclictest4315-21latency_hist11:15:020
58229913162,35cyclictest28148-21irqstats08:35:290
58229913063,51cyclictest18767-21wget10:05:170
58229912973,37cyclictest8825-21ntpq07:20:400
58229912961,33cyclictest14484-21wget11:55:110
58229912960,50cyclictest13733-21grep11:50:450
58229912956,35cyclictest1305-21snmpd07:41:200
58229912874,43cyclictest21250-21sshd12:20:200
58229912874,42cyclictest12477-21netstat07:35:340
58229912680,34cyclictest2010-21node09:33:330
58229912667,39cyclictest10689-21/usr/sbin/munin11:40:110
58229912570,43cyclictest25981-21awk08:25:470
58229912471,37cyclictest24377-21fw_forwarded_lo08:20:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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