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2026-07-14 - 01:55
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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 Mon Jul 13, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
921224302176,59sleep00-21swapper06:59:470
13659914170,49cyclictest4293-21/usr/sbin/munin11:15:070
13659913971,47cyclictest23770-21munin-run10:38:260
13659913573,45cyclictest26153-21missed_timers10:44:480
13659913572,42cyclictest5426-21irqstats09:44:370
13659913571,45cyclictest27499-21/usr/sbin/munin12:24:000
13659913570,43cyclictest3415-21aten_r5power_vo09:39:000
13659913569,46cyclictest12879-21/usr/sbin/munin11:40:080
13659913565,48cyclictest27630-21memory09:14:500
13659913465,47cyclictest10902-21sendmail_mailqu10:00:050
13659913378,33cyclictest17574-21grep10:19:500
13659913366,47cyclictest25678-21/usr/sbin/munin12:18:280
13659913279,32cyclictest6905-21apt-get11:23:360
13659913278,34cyclictest18940-21apt11:58:400
13659913270,48cyclictest24237-21ssh10:39:190
13659913178,33cyclictest28595-21snmpd09:03:580
13659913168,46cyclictest5236-21ssh11:18:540
13659913168,46cyclictest27635-21ssh10:49:150
13659913161,47cyclictest29479-21df12:29:080
13659913071,38cyclictest32497-21ssh11:03:510
13659912975,32cyclictest32685-21irqstats09:29:380
13659912974,33cyclictest15260-21ls08:14:290
13659912958,49cyclictest7179-21ssh09:49:410
13659912881,28cyclictest1793-21if_eth007:04:070
13659912870,44cyclictest22715-21ssh12:09:240
13659912869,43cyclictest16752-21ssh11:51:510
13659912867,45cyclictest21820-21ssh12:06:270
13659912772,33cyclictest16491-21diskmemload10:16:270
13659912770,43cyclictest13795-21ssh11:43:470
13659912770,35cyclictest14965-21ssh10:12:280
13659912769,36cyclictest1664-21wget09:34:000
13659912767,44cyclictest3160-21ssh11:12:330
13659912767,44cyclictest29551-21ssh10:54:430
13659912766,44cyclictest26732-21ssh09:12:250
13659912765,44cyclictest21520-21threads08:49:320
13659912674,33cyclictest9474-21ssh11:30:080
13659912671,34cyclictest12087-21expr07:58:530
13659912671,33cyclictest29032-21seq09:19:030
13659912670,39cyclictest11479-21ssh11:36:090
13659912667,42cyclictest19961-21ssh10:26:420
13659912573,33cyclictest31309-21ssh09:25:070
13659912573,32cyclictest6379-21/usr/sbin/munin07:28:270
13659912572,33cyclictest13881-21sshd08:08:580
13659912559,47cyclictest16109-21sort08:19:290
13659912474,28cyclictest25913-21aten_r5power_po12:18:570
13659912471,32cyclictest7916-21wc07:34:240
13659912470,34cyclictest31286-21memory10:59:420
13659912467,40cyclictest13046-21ssh10:06:300
13659912466,43cyclictest21507-21ssh10:30:490
13659912374,30cyclictest3166-21/usr/sbin/munin07:09:280
13659912374,28cyclictest28595-21snmpd07:14:080
13659912368,34cyclictest16378-21/usr/sbin/munin08:23:510
13659912271,30cyclictest18373-21cstates08:33:500
13659912271,30cyclictest11750-21/usr/sbin/munin07:54:370
13659912268,31cyclictest8687-21df09:54:070
13659912170,32cyclictest8681-21sort07:39:140
13659912073,28cyclictest9619-21/usr/sbin/munin07:44:210
13659911971,28cyclictest10517-21/usr/sbin/munin07:49:200
13659911970,29cyclictest23034-21/usr/sbin/munin08:59:130
13659911970,29cyclictest22435-21/usr/sbin/munin08:54:320
13659911965,31cyclictest17207-21apt-get11:53:360
13659911964,33cyclictest17760-21ntp_states08:29:220
13659911872,28cyclictest19603-21/usr/sbin/munin08:39:250
13659911871,29cyclictest6639-21/usr/sbin/munin07:28:510
13659911869,30cyclictest20273-21/usr/sbin/munin08:44:060
13659911770,29cyclictest4962-21/usr/sbin/munin07:19:000
13659911569,27cyclictest12935-21/usr/sbin/munin08:03:500
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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