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2026-04-04 - 00:56
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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 03, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10348220630,49sleep00-21swapper/019:06:120
108679917043,13cyclictest10150irq/55-4a10000023:14:050
108679916628,21cyclictest22263-21wget19:55:140
108679916328,20cyclictest1305-21snmpd20:50:400
108679916040,14cyclictest10150irq/55-4a10000021:23:350
108679916031,27cyclictest3650irq/20-4900000022:42:100
108679915842,13cyclictest10150irq/55-4a10000000:00:480
108679915838,26cyclictest18664-21fw_conntrack19:40:250
10867991577,26cyclictest7647-21wget21:05:140
108679915740,23cyclictest801-21dbus-daemon23:20:020
108679915710,19cyclictest23278-21ntp_states22:05:390
108679915653,12cyclictest10150irq/55-4a10000020:45:180
108679915647,10cyclictest101ktimersoftd/021:30:150
108679915645,13cyclictest10150irq/55-4a10000022:00:270
10867991558,18cyclictest27767-21apt-get22:27:100
108679915547,18cyclictest2521-21latency_hist20:45:030
108679915534,19cyclictest15424-21runrttasks21:35:120
108679915438,24cyclictest31877-21grep22:40:010
108679915437,18cyclictest22276-21sshd00:09:410
108679915336,17cyclictest27582-21grep20:15:440
108679915245,19cyclictest31588-21runrttasks20:31:360
108679915243,19cyclictest12873-21apt-key21:25:160
108679915241,14cyclictest9357-21sendmail_mailtr21:10:470
108679915238,18cyclictest26096-21runrttasks22:16:420
108679915236,18cyclictest25967-21runrttasks00:24:060
108679915217,14cyclictest27863-21apt-config22:25:080
10867991509,43cyclictest18925-21fw_forwarded_lo23:55:450
108679915042,19cyclictest21775-21runrttasks19:52:520
10867991497,16cyclictest23598-21df20:00:150
108679914948,89cyclictest0-21swapper/023:45:580
108679914932,21cyclictest0-21swapper/020:23:310
108679914921,32cyclictest24868-21runrttasks22:11:460
108679914854,11cyclictest101ktimersoftd/023:20:320
108679914843,20cyclictest19983-21runrttasks19:45:310
108679914842,13cyclictest10150irq/55-4a10000019:10:120
108679914836,21cyclictest1408-21nginx23:42:430
108679914748,16cyclictest19687-21mailstats21:50:450
108679914748,15cyclictest27977-21grep00:30:160
108679914744,16cyclictest6559-21seq21:00:250
108679914743,19cyclictest30278-21runrttasks22:32:060
108679914737,18cyclictest17476-21runrttasks21:42:190
108679914658,10cyclictest101ktimersoftd/022:45:320
108679914644,14cyclictest10150irq/55-4a10000023:35:410
108679914641,13cyclictest10150irq/55-4a10000021:45:170
108679914555,11cyclictest101ktimersoftd/023:00:350
108679914540,17cyclictest15602-21runrttasks19:28:130
108679914539,17cyclictest17263-21runrttasks19:35:120
108679914537,22cyclictest3327-21runrttasks22:52:530
108679914437,20cyclictest6636-21proc_pri23:05:400
108679914340,18cyclictest265632chrt00:25:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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