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2026-09-10 - 02:47
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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 all highest latencies:
System rack7slot8.osadl.org (updated Wed Sep 09, 2026 14:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3132123670,6sleep031320-21proc_pri07:05:460
320499915374,37cyclictest8324-21ntp_states09:46:210
320499915373,39cyclictest4501-21cmp11:40:200
320499915293,45cyclictest17217-21apt-get12:33:380
320499915262,38cyclictest7420-21diskstats07:40:230
320499915163,35cyclictest1305-21snmpd09:02:230
320499914972,20cyclictest13013-21df10:05:170
320499914658,35cyclictest26514-21apt-get08:57:090
320499914575,36cyclictest8500-21memory11:55:330
320499914568,32cyclictest14748-21wget08:10:130
320499914473,37cyclictest7079-21munin-run07:40:020
320499914383,39cyclictest1276-21runrttasks08:16:130
320499914370,53cyclictest32221-21runrttasks09:15:240
320499914364,58cyclictest1305-21snmpd10:16:210
320499914279,41cyclictest13603-21seq12:15:490
320499914268,35cyclictest6458-21/usr/sbin/munin09:40:250
320499914176,23cyclictest3679-21sshd09:30:190
320499914176,23cyclictest27961-21df11:05:190
320499914175,25cyclictest30965-21df_inode09:10:230
320499914174,24cyclictest23005-21diskstats10:45:240
320499914171,34cyclictest20488-21munin-run12:40:020
320499914170,33cyclictest1718-21apt-get07:17:080
320499914169,35cyclictest1978-21ntp_states11:30:420
320499914079,21cyclictest24340-21df08:45:180
320499914078,21cyclictest19377-21chrt08:25:250
320499914069,52cyclictest3139-21runrttasks07:23:150
320499914069,52cyclictest30549-21irqstats11:15:320
320499913978,20cyclictest13738-21memory08:05:320
320499913967,35cyclictest12359-21ntp_states12:10:440
320499913967,34cyclictest4821-21wget07:30:140
320499913962,36cyclictest2010-21node09:59:590
320499913884,42cyclictest32437-21irqstats07:10:340
320499913875,22cyclictest1017-21df09:20:160
320499913864,35cyclictest26514-21apt-get08:55:000
320499913798,27cyclictest15646-21apt-get12:22:160
320499913767,50cyclictest1305-21snmpd10:02:360
320499913762,55cyclictest6979-21wget11:50:130
320499913678,39cyclictest9687-21/usr/sbin/munin07:50:520
320499913666,33cyclictest31909-21ntp_states11:20:390
320499913665,33cyclictest2489-21ntp_states09:25:400
320499913663,19cyclictest9488-21ntp_states09:50:420
320499913583,40cyclictest26741-21diskstats11:00:240
320499913583,39cyclictest11018-21chrt12:05:450
320499913575,20cyclictest18676-21munin-run08:25:020
320499913564,33cyclictest12244-21wget08:00:130
320499913489,34cyclictest1305-21snmpd07:48:220
320499913466,28cyclictest2010-21node12:00:180
320499913464,50cyclictest11618-21runrttasks07:56:240
320499913463,34cyclictest6081-21cron09:40:010
320499913390,28cyclictest3871-21ntp_states07:25:430
320499913383,39cyclictest20482-21chrt10:35:170
320499913380,40cyclictest1305-21snmpd08:40:000
320499913368,30cyclictest812-21avahi-daemon11:10:460
320499913362,36cyclictest16574-21/usr/sbin/munin10:20:110
320499913289,32cyclictest29513-21/usr/sbin/munin09:05:140
320499913273,20cyclictest499-21df_inode11:25:200
320499913271,21cyclictest6851-21ls11:50:020
320499913270,21cyclictest24649-21chrt10:50:520
320499913265,29cyclictest20415-21/usr/sbin/munin08:30:450
320499913175,39cyclictest25468-21chrt10:55:190
320499913169,21cyclictest18426-21users10:25:500
320499913159,31cyclictest21932-21awk10:40:390
320499913084,35cyclictest17327-21cat12:30:080
320499913072,20cyclictest3026-21chrt11:35:190
320499913067,22cyclictest23112-21df08:40:200
320499913066,24cyclictest14463-21ntp_states10:10:400
320499912878,37cyclictest19092-21wget10:30:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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