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2026-03-30 - 22:05
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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 Mon Mar 30, 2026 12:44:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18211224570,14sleep016347-1kworker/u3:207:03:490
194129914568,33cyclictest6089-21apt-get10:33:490
194129914369,49cyclictest12971-21apt-get10:53:500
194129914168,45cyclictest26659-21irqstats07:44:110
194129914063,53cyclictest7813-21apt-get10:38:460
194129914063,37cyclictest28332-21munin-run11:38:270
194129913964,35cyclictest19072-21users11:10:160
194129913963,34cyclictest6329-21apt-get12:08:470
194129913961,54cyclictest17868-21ssh09:33:470
194129913863,51cyclictest11881-21fw_conntrack12:24:280
194129913861,34cyclictest10065-21memory10:44:470
194129913856,48cyclictest13138-21irqstats09:19:390
194129913764,51cyclictest29904-21apt-get10:08:460
194129913764,49cyclictest21459-21munin-run11:18:270
194129913764,36cyclictest16868-21ssh11:04:360
194129913762,52cyclictest19583-21apt-get09:38:510
194129913761,51cyclictest12474-21ssh10:51:380
194129913761,37cyclictest4992-21ntp_states10:29:580
194129913671,38cyclictest23309-21apt-get11:23:450
194129913664,50cyclictest22063-21/usr/sbin/munin09:45:080
194129913661,52cyclictest9779-21/usr/sbin/munin12:19:420
194129913661,35cyclictest4857-21cstates12:04:060
194129913565,34cyclictest13588-21fw_conntrack12:29:270
194129913563,49cyclictest28198-21apt-get10:03:480
194129913563,48cyclictest1151-21apt-get11:53:470
194129913562,30cyclictest8496-21irqstats12:14:380
194129913561,35cyclictest22128-21memory11:19:490
194129913560,34cyclictest1866-21users10:20:170
194129913464,49cyclictest11480-21memory09:14:510
194129913462,32cyclictest31645-21ssh10:13:430
194129913461,50cyclictest23485-21ssh09:49:450
194129913461,49cyclictest10035-21sh09:10:140
194129913460,51cyclictest32623-21/usr/sbin/munin08:19:240
194129913460,50cyclictest30195-21apt-get11:43:470
194129913459,34cyclictest27013-21memory09:59:520
194129913459,34cyclictest14408-21/usr/sbin/munin09:24:430
194129913367,27cyclictest14702-21apt-get10:58:430
194129913362,49cyclictest24751-21apt-get09:53:510
194129913361,49cyclictest14928-21apt-get12:33:430
194129913359,50cyclictest24728-21df_abs07:33:580
194129913358,51cyclictest2900-21apt-get11:58:550
194129913258,33cyclictest16667-21memory09:29:510
194129913257,51cyclictest25255-21df11:29:010
194129913172,35cyclictest29020-21apt-get07:58:420
194129913162,47cyclictest27209-21apt-get07:48:430
194129913158,51cyclictest25419-21/usr/sbin/munin07:39:310
194129913157,33cyclictest32438-21memory11:49:480
194129913156,33cyclictest32166-21grep08:14:200
194129913071,37cyclictest1063-21apt-get08:23:400
194129913060,47cyclictest7271-21munin-run08:58:270
194129913058,35cyclictest29411-21users11:40:170
194129913057,51cyclictest4504-21head08:39:310
194129913057,51cyclictest28104-21/usr/sbin/munin07:54:390
194129913055,52cyclictest3111-21uname10:24:400
194129912957,49cyclictest21880-21cut07:18:490
194129912870,37cyclictest29918-21apt-get08:03:420
194129912866,36cyclictest5161-21ntp_states08:44:230
194129912769,35cyclictest1976-21apt-get08:28:420
194129912758,49cyclictest7380-21modprobe08:58:330
194129912675,29cyclictest8285-21apt-get09:03:420
194129912657,47cyclictest6374-21munin-run08:53:270
194129912653,50cyclictest21703-21sendmail07:18:270
194129912653,49cyclictest31689-21sort08:13:300
194129912651,53cyclictest2934-21tr08:33:480
194129912562,42cyclictest23303-21grep07:24:250
194129912367,34cyclictest19509-21apt-get07:08:400
194129912353,32cyclictest1690-21snmpd07:32:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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