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2026-07-19 - 21:21
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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 792 highest latencies:
System rack5slot7.osadl.org (updated Sun Jul 19, 2026 12:44:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4258223972173,170sleep00-21swapper06:59:110
47379917621,129cyclictest9285-21apt-get09:48:270
47379917218,124cyclictest26516-21apt-get10:38:280
47379916941,108cyclictest16991-21missed_timers11:44:330
47379916715,127cyclictest7850-21apt-get11:18:270
47379916619,105cyclictest21344-21apt-get10:23:300
47379916520,122cyclictest19870-21apt-get11:53:270
47379916515,125cyclictest28678-21irqstats10:44:180
47379916419,120cyclictest31544-21munin-run10:53:090
47379916419,120cyclictest30191-21apt-get12:23:290
47379916419,118cyclictest19632-21apt-get10:18:280
47379916416,122cyclictest4125-21apt-get09:33:280
47379916414,126cyclictest24793-21apt-get10:33:230
47379916340,104cyclictest4680-21df_abs11:08:550
47379916334,110cyclictest23892-21timerandwakeup10:29:500
47379916319,100cyclictest644-21apt-get09:23:270
47379916318,122cyclictest2659-21apt-get11:03:260
47379916318,119cyclictest22209-21ntp_states11:59:360
47379916317,122cyclictest31906-21/usr/sbin/munin12:29:320
47379916316,122cyclictest2541-21munin-run11:03:100
47379916314,125cyclictest26193-21apt-get09:03:340
47379916313,128cyclictest14449-21apt-get10:03:240
47379916218,120cyclictest30743-21ssh09:15:320
47379916216,24cyclictest26756-21apt-get12:13:320
47379916215,122cyclictest14717-21apt-get11:38:230
47379916113,124cyclictest31977-21/usr/sbin/munin09:19:320
47379916113,123cyclictest25007-21/usr/sbin/munin12:08:180
47379916111,123cyclictest28595-21snmpd12:18:260
47379916018,117cyclictest13441-21irqstats11:34:170
47379916015,121cyclictest11018-21apt-get09:53:260
47379916013,104cyclictest16858-21ssh10:09:420
47379915918,117cyclictest31945-21df10:53:510
47379915911,125cyclictest9181-21ssh09:48:120
4737991588,129cyclictest17908-21dpkg10:13:180
47379915826,94cyclictest11083-21sshd07:38:370
47379915819,116cyclictest6569-21irqstats11:14:150
47379915819,116cyclictest11883-21ntp_states11:29:350
47379915815,121cyclictest3345-21users09:29:590
47379915815,105cyclictest28203-21df09:08:510
47379915813,122cyclictest14181-21ssh10:02:250
47379915812,122cyclictest9554-21apt-get11:23:340
47379915620,112cyclictest5854-21apt-get09:38:290
47379915618,116cyclictest25019-21apt-get12:08:270
47379915618,115cyclictest6897-21/usr/sbin/munin07:14:080
47379915618,111cyclictest11762-21apt-get07:43:230
47379915614,119cyclictest18141-21apt-get11:48:300
47379915610,122cyclictest24190-21sed08:49:140
47379915520,112cyclictest8921-21users07:24:190
47379915517,112cyclictest19865-21apt-get08:28:230
47379915512,121cyclictest5730-21munin-node07:08:150
47379915512,118cyclictest25271-21/usr/sbin/munin08:58:370
4737991549,121cyclictest21708-21tr08:38:280
47379915418,111cyclictest13573-21apt-get07:53:230
47379915416,97cyclictest24583-21df08:53:370
47379915411,121cyclictest22561-21/usr/sbin/munin08:43:160
47379915410,121cyclictest21490-21grep08:34:130
47379915312,118cyclictest7846-21ps07:19:080
47379915215,115cyclictest13557-21ls07:53:120
47379915212,117cyclictest9117-21grep07:28:300
47379915127,104cyclictest14361-21kworker/u2:108:13:060
47379915116,112cyclictest17387-21df08:13:370
47379915011,25cyclictest6256-21sendmail07:13:070
47379915010,119cyclictest19746-21sshd08:26:370
47379914919,106cyclictest9977-21apt-get07:33:240
47379914917,22cyclictest15358-21apt-get08:03:210
47379914914,94cyclictest18283-21df08:18:370
47379914911,27cyclictest14944-21ntpq07:59:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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