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2026-03-22 - 04:52
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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 Sun Mar 22, 2026 01:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16545220418,48sleep00-21swapper/019:09:440
16644991678,20cyclictest19236-21/usr/sbin/munin19:20:500
166449916725,108cyclictest1305-21snmpd23:50:500
16644991649,25cyclictest2458-21df00:35:200
166449916425,118cyclictest802-21in:imuxsock19:20:000
166449916329,113cyclictest31028-21apt-config20:05:130
166449916227,23cyclictest1408-21nginx21:27:310
166449916133,112cyclictest2598-21runrttasks22:28:340
166449916049,92cyclictest10150irq/55-4a10000020:05:040
166449916026,19cyclictest1305-21snmpd20:22:450
166449915913,23cyclictest4891-21ntp_kernel_pll_22:35:370
16644991589,31cyclictest754-21systemd-journal00:00:170
16644991588,19cyclictest754-21systemd-journal20:55:440
166449915832,113cyclictest20683-21diskstats19:25:220
166449915828,18cyclictest22061-21wget23:45:130
166449915828,118cyclictest27709-21munin-plugin-st22:00:000
166449915825,19cyclictest1305-21snmpd21:48:020
166449915814,17cyclictest1285-21lldpd00:17:120
166449915742,103cyclictest10496-21runrttasks22:58:570
166449915739,105cyclictest13636-21ntpq23:10:400
166449915728,116cyclictest25109-21sshd19:43:060
16644991566,19cyclictest2781-21apt-get22:32:100
166449915612,30cyclictest4947-21apt-get20:27:100
166449915525,16cyclictest1305-21snmpd22:23:090
16644991546,125cyclictest26621-21chrt19:47:090
166449915429,112cyclictest5781-21ntpq20:30:340
166449915427,115cyclictest754-21systemd-journal23:40:010
166449915423,110cyclictest14386-21if_eth021:05:290
16644991536,36cyclictest1305-21snmpd20:42:490
166449915326,19cyclictest1305-21snmpd21:02:540
166449915322,22cyclictest21667-21wget21:35:150
166449915311,17cyclictest10247-21chrt20:49:510
166449915240,101cyclictest32695-21chrt22:20:000
166449915232,107cyclictest18001-21wget21:20:150
166449915224,115cyclictest1-21systemd21:15:470
166449915141,99cyclictest22546-21runrttasks19:32:350
166449915141,98cyclictest17558-21seq23:25:470
166449915121,12cyclictest0-21swapper/019:57:400
166449915027,18cyclictest1305-21snmpd22:48:150
166449915026,15cyclictest20363-21/usr/sbin/munin21:30:170
16644991497,18cyclictest30701-21ntp_states22:10:380
16644991496,22cyclictest25619-21sendmail00:00:020
166449914936,100cyclictest1812-21sshd00:34:020
166449914926,111cyclictest30978-21fw_conntrack00:20:210
166449914912,14cyclictest10250irq/56-4a10000021:42:330
166449914829,101cyclictest23563-21runrttasks19:35:480
166449914824,19cyclictest8323-21wget22:50:140
166449914815,13cyclictest10250irq/56-4a10000021:10:130
16644991477,31cyclictest2336-21chrt20:19:280
166449914754,86cyclictest5838-21aten_r7power_en22:40:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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