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2026-04-10 - 18:19
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Fri Apr 10, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18931220631,50sleep00-21swapper/019:07:370
1928399178155,15cyclictest4492sleep022:05:130
192839916181,59cyclictest1863-21df22:10:170
192839915982,22cyclictest21755-21apt-get19:18:170
192839915780,37cyclictest4245-21sshd00:26:510
192839915281,53cyclictest29359-40ogrotate00:00:020
192839915277,21cyclictest25982-21diskstats23:45:300
192839915270,25cyclictest12784-21apt-get22:57:060
192839915178,19cyclictest27144-21sshd19:37:130
192839915076,54cyclictest2219-21wget20:05:120
192839915073,45cyclictest28023-21runrttasks19:40:410
192839914985,48cyclictest16012-21wget21:00:150
192839914977,20cyclictest1276-21runrttasks21:45:180
192839914874,36cyclictest20783-21sshd23:25:140
192839914779,48cyclictest29979-21apt-get19:52:080
192839914773,37cyclictest1305-21snmpd22:50:500
192839914695,40cyclictest814-21/usr/sbin/munin00:15:340
192839914675,37cyclictest6885-21diskstats22:30:220
192839914674,31cyclictest1480-21munin-node21:15:120
192839914668,24cyclictest28231-21apt-get21:52:080
192839914582,22cyclictest754-21systemd-journal00:01:150
192839914475,50cyclictest31856-21/usr/sbin/munin22:00:260
192839914398,34cyclictest1285-21lldpd21:37:240
192839914376,36cyclictest22137-21wget23:30:170
192839914273,33cyclictest2227-21wget00:20:210
192839914270,19cyclictest24534-21chrt23:40:200
192839914092,36cyclictest1305-21snmpd00:39:180
192839914076,23cyclictest19607-21fw_forwarded_lo19:10:280
192839914075,47cyclictest27100-21aten_r7power_vo23:50:150
192839914071,17cyclictest1608-21ntpd19:57:080
192839914065,21cyclictest3691-21apt-get22:17:110
192839913979,40cyclictest15131-21swap23:00:460
192839913881,43cyclictest1285-21lldpd20:57:240
192839913869,52cyclictest22346-21wget19:20:160
192839913775,20cyclictest29855-21apt-get21:56:140
192839913774,43cyclictest1312-21sshd23:20:130
192839913686,38cyclictest26069-21chrt21:40:190
192839913683,41cyclictest18674-21irqstats21:10:300
192839913683,41cyclictest17226-21/usr/sbin/munin21:05:140
192839913683,39cyclictest9409-21fw_forwarded_lo22:40:260
192839913682,42cyclictest13461-21sshd20:50:130
192839913682,41cyclictest21011-21wget21:20:140
192839913680,36cyclictest32397-21grep00:10:430
192839913674,20cyclictest24104-21runrttasks23:37:450
192839913673,20cyclictest5670-21fw_conntrack22:25:260
192839913672,44cyclictest11871-21sshd20:43:360
192839913574,22cyclictest754-21systemd-journal23:06:150
192839913572,45cyclictest4661-21processes22:20:470
192839913568,50cyclictest1305-21snmpd20:23:210
192839913486,36cyclictest25402-21sshd19:31:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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