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2026-05-24 - 22:18
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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 Sun May 24, 2026 02:44:20)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2225127700,11sleep022249-21http19:10:030
22303991696,106cyclictest24652-21apt-get21:27:100
223039916923,110cyclictest14300-21http20:45:040
22303991668,117cyclictest22236-21apt-get19:12:080
22303991666,118cyclictest3387-21df20:00:180
223039916626,118cyclictest1408-21nginx23:28:420
22303991637,103cyclictest25141-21apt-get19:22:100
223039916341,103cyclictest10250irq/56-4a10000023:33:440
223039916243,105cyclictest22455-21df_inode21:15:200
223039916235,107cyclictest24764-21apt-get19:17:060
22303991609,110cyclictest2965-21/usr/sbin/munin22:05:040
22303991607,96cyclictest2963-21apt-get22:07:110
22303991599,130cyclictest4664-21seq00:17:070
22303991595,111cyclictest2145-21apt-get00:12:110
223039915938,105cyclictest10250irq/56-4a10000022:23:130
223039915928,110cyclictest19687-21wget23:10:090
22303991579,109cyclictest859-21df19:50:170
22303991578,93cyclictest32103-40gzip00:00:100
22303991578,88cyclictest31252-21apt-get21:52:100
22303991568,129cyclictest29666-21wget23:50:140
223039915633,106cyclictest10250irq/56-4a10000021:02:540
223039915626,110cyclictest17384-21wget20:55:160
223039915554,89cyclictest14781-21/usr/sbin/munin20:45:180
22303991548,93cyclictest7312-21ntp_states20:15:410
22303991548,125cyclictest15908-21sshd22:55:070
22303991547,104cyclictest1408-21nginx22:28:140
223039915410,101cyclictest1408-21nginx22:53:540
22303991536,96cyclictest8192-21/usr/sbin/munin20:20:480
22303991536,128cyclictest5210-21sshd20:07:060
223039915347,95cyclictest28276-21sh23:45:020
22303991528,103cyclictest1046-21hostname00:05:140
22303991528,100cyclictest18422-21/usr/sbin/munin23:05:130
223039915245,95cyclictest5537-21runrttasks00:20:430
22303991509,103cyclictest28782-21ntp_states23:45:410
22303991507,105cyclictest6723-21sshd22:17:060
22303991506,107cyclictest754-21systemd-journal23:18:420
223039915012,118cyclictest1305-21snmpd22:48:190
223039914933,96cyclictest0-21swapper/022:33:160
22303991489,102cyclictest17392-21diskstats23:00:240
22303991489,101cyclictest7514-21sshd00:28:050
22303991488,88cyclictest30345-21diskstats21:45:250
22303991488,105cyclictest1305-21snmpd00:03:450
22303991487,87cyclictest8268-21diskstats00:30:210
22303991487,85cyclictest5867-21df20:10:170
22303991486,122cyclictest10281-21runrttasks00:38:540
22303991478,119cyclictest1285-21lldpd20:27:550
22303991477,102cyclictest11786-21latency_hist20:35:030
22303991467,120cyclictest12487-21runrttasks22:40:290
22303991465,120cyclictest1305-21snmpd21:58:060
223039914639,96cyclictest787-21haveged20:50:440
22303991457,120cyclictest21040-21wget21:10:120
22303991457,119cyclictest1305-21snmpd22:35:360
22303991457,118cyclictest1276-21runrttasks20:00:010
223039914547,87cyclictest28751-21cron21:40:010
223039914518,109cyclictest1305-21snmpd23:23:360
22303991448,114cyclictest26000-21/usr/sbin/munin23:35:200
223039914419,108cyclictest1408-21nginx21:43:410
22303991437,99cyclictest30823-21df19:40:170
22303991436,99cyclictest28550-21open_files19:30:410
22303991436,122cyclictest1305-21snmpd21:32:570
223039914344,88cyclictest12300-21runrttasks20:35:390
223039914321,103cyclictest26985-21wget19:25:140
22303991425,101cyclictest10250irq/56-4a10000019:48:200
22303991418,114cyclictest24666-21gpgv21:25:040
223039914041,88cyclictest30256-21runrttasks19:38:000
223039914037,93cyclictest56042chrt22:13:120
22303991395,119cyclictest19756-21sshd21:05:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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