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2026-04-28 - 23:18
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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 Apr 28, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32124222430,50sleep00-21swapper/007:07:400
324689915671,32cyclictest29609-21df11:10:160
324689915372,21cyclictest8748-21apt-get07:47:100
324689915173,59cyclictest1305-21snmpd10:41:490
324689914970,36cyclictest26427-21sshd08:50:290
324689914773,36cyclictest21578-21/usr/sbin/munin08:35:040
324689914772,37cyclictest1305-21snmpd07:50:590
324689914771,57cyclictest11489-21grep10:00:000
324689914673,35cyclictest1305-21snmpd12:17:130
324689914670,35cyclictest11866-21apt-get12:10:550
324689914662,26cyclictest12740-21apt-get10:07:130
324689914471,38cyclictest28565-21apt-get09:01:320
324689914370,53cyclictest4336-21seq09:30:180
324689914370,37cyclictest743-21ntp_states09:15:440
324689914367,21cyclictest15696-21fw_conntrack08:10:240
324689914275,48cyclictest25712-21apt-get08:50:040
324689914271,34cyclictest1305-21snmpd07:10:500
324689914269,53cyclictest1305-21snmpd08:26:110
324689914269,35cyclictest27839-21ntp_states08:55:430
324689914179,42cyclictest3512-21sshd09:25:470
324689914168,54cyclictest30518-21df_inode09:05:190
324689914168,36cyclictest1113-21ntp_states11:25:380
324689914167,37cyclictest3176-21systemctl07:20:430
324689914160,22cyclictest21576-21apt-get08:37:080
324689914157,34cyclictest7171-21df11:50:190
324689914074,24cyclictest13585-21sshd08:00:480
324689914068,19cyclictest8532-21memory11:55:350
324689913975,21cyclictest3622-21ntp_states11:35:380
324689913969,49cyclictest1305-21snmpd12:37:170
324689913966,21cyclictest17186-21df_inode10:20:180
324689913876,21cyclictest1682-21memory07:15:340
324689913771,25cyclictest2360-21chrt09:21:250
324689913768,34cyclictest8480-21sshd07:42:480
324689913766,34cyclictest5471-21wget09:35:160
324689913766,34cyclictest11736-21wget10:00:170
324689913765,33cyclictest14535-21wget10:10:120
324689913763,35cyclictest1305-21snmpd07:35:550
324689913671,50cyclictest6941-21seq09:40:320
324689913671,24cyclictest27673-21seq11:01:440
324689913669,22cyclictest10920-21/usr/sbin/munin12:05:230
324689913662,36cyclictest4284-21ntp_states07:25:390
324689913574,19cyclictest801-21dbus-daemon10:40:020
324689913568,32cyclictest1305-21snmpd10:31:480
324689913563,34cyclictest31803-21munin-run11:20:030
324689913560,36cyclictest31953-21ntp_states09:10:400
324689913465,33cyclictest24529-21wget10:50:140
324689913376,44cyclictest9117-21/usr/sbin/munin09:50:520
324689913365,49cyclictest18913-21seq08:23:310
324689913280,39cyclictest754-21systemd-journal11:05:470
324689913279,40cyclictest16489-21apt-get10:17:100
324689913181,37cyclictest5132-21/usr/sbin/munin07:30:530
324689913172,40cyclictest19348-21sh10:30:010
324689913171,39cyclictest32016-21wget11:20:140
324689913170,23cyclictest8085-21/usr/sbin/munin09:45:200
324689913080,38cyclictest12100-21awk07:55:350
324689913078,39cyclictest17471-21apt-get08:17:070
324689913069,20cyclictest14414-21df08:05:180
324689913067,21cyclictest2194-21df11:30:180
324689913059,33cyclictest1305-21snmpd12:02:070
324689912978,39cyclictest26189-21chrt10:55:420
324689912978,34cyclictest23837-21sshd10:45:520
324689912970,18cyclictest5951-21diskstats11:45:250
324689912962,49cyclictest17636-21interrupts12:30:290
324689912879,38cyclictest4503-21/usr/sbin/munin11:40:240
324689912866,20cyclictest23736-21ntp_states08:40:400
324689912773,36cyclictest1276-21runrttasks12:24:000
324689912576,38cyclictest16316-21chrt12:25:200
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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