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2026-03-24 - 16:18
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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 highest latencies:
System rack7slot8.osadl.org (updated Tue Mar 24, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
553027320,11sleep05528-21sendmail_mailtr07:05:330
61829912351,46cyclictest10612-21dpkg07:25:130
61829911956,44cyclictest30994-21chrt08:45:160
61829911543,26cyclictest20500-21apt-get10:12:130
61829911522,37cyclictest7282-21apt-get09:22:110
61829911454,47cyclictest13376-21seq07:35:150
61829911448,28cyclictest1408-21nginx10:55:000
61829911436,38cyclictest12452-21ps09:36:290
61829911352,44cyclictest1351-21lldpd09:17:130
61829911347,47cyclictest14790-21aten_r7power_vo11:50:210
61829911340,34cyclictest31077-21df10:45:170
61829911335,38cyclictest20502-21munin-run10:10:030
61829911239,36cyclictest9768-21users07:20:500
61829911236,21cyclictest8639-21df11:25:180
61829911139,36cyclictest21135-21ntp_states08:05:420
61829910976,23cyclictest23027-21runrttasks10:17:070
61829910966,34cyclictest3622-21runrttasks11:05:160
61829910936,33cyclictest8661-21apt-get07:17:310
61829910934,56cyclictest24749-21wget12:30:150
61829910649,38cyclictest4896-21/usr/sbin/munin09:10:500
61829910636,51cyclictest6266-21/usr/sbin/munin07:10:450
61829910551,35cyclictest1305-21snmpd12:35:320
61829910533,38cyclictest25646-21awk10:26:260
61829910529,41cyclictest1305-21snmpd11:47:020
61829910449,37cyclictest1343-21seq08:55:230
61829910446,42cyclictest1408-21nginx10:00:270
61829910434,50cyclictest10513-21seq09:30:260
61829910431,38cyclictest14790-21ntp_states09:45:410
61829910346,38cyclictest1305-21snmpd12:22:120
61829910344,32cyclictest17183-21df07:50:170
61829910339,45cyclictest32325-21/usr/sbin/munin08:50:120
61829910332,37cyclictest5081-21ntp_states11:10:400
61829910174,19cyclictest24429-21latency_hist08:20:030
61829910158,32cyclictest2096-21tr11:00:020
61829910130,52cyclictest9719-21wget11:30:130
61829910059,33cyclictest6048-21grep11:15:160
61829910048,41cyclictest13460-21irqstats09:40:310
61829910038,48cyclictest14548-21wget07:40:120
61829910038,42cyclictest787-21haveged08:30:390
61829910036,23cyclictest29792-21df_inode10:40:280
61829910030,19cyclictest11622-21sshd11:36:260
61829910029,32cyclictest26261-21apt-get10:31:450
6182999959,30cyclictest29132-21runrttasks08:38:240
6182999954,34cyclictest18441-21diskstats07:55:210
6182999929,51cyclictest2593-21/usr/sbin/munin09:00:150
6182999849,39cyclictest18797-21ntpq12:05:400
6182999836,42cyclictest1305-21snmpd07:30:150
6182999831,34cyclictest24634-21latency_hist10:25:050
6182999827,50cyclictest12301-21wget11:40:150
6182999750,35cyclictest29861-21ntp_states08:40:420
6182999739,40cyclictest754-21systemd-journal10:40:010
6182999727,35cyclictest20768-21munin-run12:15:020
6182999669,19cyclictest16119-21runrttasks11:55:240
6182999652,30cyclictest3650irq/20-4900000008:00:240
6182999634,43cyclictest9151-21wget09:25:150
6182999629,37cyclictest26041-21memory08:25:350
6182999624,35cyclictest18009-21/usr/sbin/munin10:00:030
6182999550,32cyclictest754-21systemd-journal08:21:250
6182999524,32cyclictest7327-21wget11:20:160
6182999449,36cyclictest15990-21fw_forwarded_lo07:45:250
6182999436,40cyclictest754-21systemd-journal08:10:350
6182999434,20cyclictest17401-21sshd12:00:260
6182999344,37cyclictest20886-21seq12:15:140
6182999261,21cyclictest24517-21latency_hist12:30:040
6182999235,37cyclictest2403-21df11:00:170
6182999148,32cyclictest16207-21tr09:50:470
6182999030,20cyclictest3854-21df_inode09:05:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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