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2026-01-04 - 11:43
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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 Sun Jan 04, 2026 01:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2708427220,11sleep027085-21sh19:10:000
271429916374,36cyclictest32671-21seq23:44:270
271429915778,36cyclictest10799-21apt-get22:17:080
271429915579,34cyclictest2010-21node23:50:410
271429915478,38cyclictest11353-21wget00:25:230
271429915379,39cyclictest12149-21apt-get20:17:050
271429915080,51cyclictest13902-21sed00:35:120
271429915076,37cyclictest27225-21/usr/sbin/munin19:10:520
271429914981,47cyclictest10793-21apt-config00:25:060
271429914978,51cyclictest1305-21snmpd23:18:250
271429914978,33cyclictest13596-21munin-run00:35:040
271429914976,53cyclictest22416-21runrttasks20:59:320
271429914976,37cyclictest27867-21apt-get21:21:300
271429914880,48cyclictest2768-21/usr/sbin/munin21:45:180
271429914875,33cyclictest1408-21nginx21:07:470
271429914873,19cyclictest964-21sshd21:38:210
271429914784,22cyclictest18954-21df22:50:190
271429914778,50cyclictest22797-21irqstats23:05:320
271429914678,48cyclictest1018-21/usr/sbin/munin19:35:470
271429914665,22cyclictest22480-21apt-get21:02:100
271429914576,50cyclictest16467-21wget20:35:170
271429914573,52cyclictest5865-21/usr/sbin/munin00:05:360
271429914481,21cyclictest30297-21fw_forwarded_lo21:25:490
271429914479,23cyclictest13976-21df22:30:200
271429914475,51cyclictest31006-21runrttasks19:25:120
271429914474,19cyclictest28128-21diskstats23:25:370
271429914471,54cyclictest3663-21mktemp19:45:110
271429914471,53cyclictest6045-21runrttasks21:58:570
271429914469,35cyclictest12591-21cut22:25:150
271429914396,36cyclictest8430-21chrt00:15:160
271429914381,21cyclictest5342-21seq00:01:400
271429914284,38cyclictest1601-21https23:50:080
271429914277,25cyclictest6917-21sendmail_mailqu19:55:450
271429914274,31cyclictest1305-21snmpd23:10:270
271429914272,35cyclictest1305-21snmpd00:13:360
271429914179,45cyclictest27941-21apt-key21:20:070
271429914171,51cyclictest3585-21fw_packets23:55:370
271429914170,39cyclictest26651-21ntp_states23:20:440
271429914086,43cyclictest9093-21irqstats22:10:320
271429914080,41cyclictest16089-21runrttasks20:33:370
271429914077,21cyclictest754-21systemd-journal19:45:000
271429913984,37cyclictest16280-21/usr/sbin/munin22:40:470
271429913977,21cyclictest1305-21snmpd21:40:480
271429913975,45cyclictest1276-21runrttasks23:30:420
271429913974,34cyclictest20411-21irqstats20:50:310
271429913972,31cyclictest17757-21fw_conntrack22:45:270
271429913970,37cyclictest29823-21wget19:20:140
271429913891,37cyclictest11692-21ntp_states22:20:410
271429913886,40cyclictest5412-21fw_forwarded_lo19:50:290
271429913877,40cyclictest28709-21if_err_eth019:15:270
271429913875,21cyclictest20388-21ntp_states22:55:410
271429913867,35cyclictest21461-21df_inode23:00:200
271429913770,35cyclictest1305-21snmpd20:02:430
271429913684,41cyclictest1305-21snmpd20:07:440
271429913680,43cyclictest14294-21ntp_states20:25:430
271429913674,21cyclictest15865-21seq22:37:430
271429913673,46cyclictest17750-21wget20:40:160
271429913584,40cyclictest19263-21seq20:45:390
271429913584,40cyclictest10752-21users20:10:500
271429913576,19cyclictest32215-21/usr/sbin/munin19:30:140
271429913575,20cyclictest7748-21df_inode22:05:190
271429913474,19cyclictest12847-21df20:20:170
271429913472,21cyclictest4007-21df21:50:190
271429913471,45cyclictest31281-21aten_r7power_cu21:30:150
271429913283,38cyclictest25933-21ps21:10:450
271429913276,17cyclictest6315-21/usr/sbin/munin22:00:230
271429913275,38cyclictest31070-21seq23:36:340
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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