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2026-06-27 - 15:59
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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 Sat Jun 27, 2026 02:44:19)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2354213250,10sleep02352-21df19:05:150
33519915069,32cyclictest1939-21apt-get23:17:240
33519914666,42cyclictest16941-21apt-get00:17:110
33519914566,40cyclictest17848-21ntp_states00:20:460
33519914371,53cyclictest22491-21chrt00:38:140
33519914366,38cyclictest23331-21df22:35:210
33519914267,54cyclictest7912-21/usr/sbin/munin21:35:510
33519914265,36cyclictest29484-21ntpq20:50:360
33519914166,22cyclictest24410-21fw_conntrack20:30:440
33519914067,36cyclictest21659-21ntp_states20:20:390
33519913972,23cyclictest26838-21diskstats20:40:200
33519913968,50cyclictest1608-21ntpd19:15:360
33519913960,22cyclictest18259-21apt-get20:12:070
33519913867,33cyclictest5943-21/usr/sbin/munin19:20:100
33519913866,53cyclictest25372-21/usr/sbin/munin20:35:220
33519913856,62cyclictest19793-21env00:27:130
33519913772,47cyclictest20884-21sshd20:17:550
33519913663,30cyclictest11309-21ntp_states19:40:380
33519913571,45cyclictest8225-21sshd19:29:210
33519913563,19cyclictest1-21systemd00:09:430
33519913561,20cyclictest18339-21apt-config20:10:060
33519913469,23cyclictest3114-21df_inode21:15:190
33519913466,22cyclictest5851-21ntp_states21:25:520
33519913463,50cyclictest754-21systemd-journal23:00:010
33519913463,20cyclictest15788-21ntp_states22:05:420
33519913462,35cyclictest2286-21users21:10:490
33519913461,36cyclictest14355-21diskstats22:00:200
33519913461,35cyclictest30535-21chrt20:55:150
33519913371,22cyclictest11843-21seq21:50:170
33519913370,47cyclictest1276-21runrttasks21:55:120
33519913363,51cyclictest1305-21snmpd19:53:430
33519913361,22cyclictest1276-21runrttasks00:14:280
33519913266,24cyclictest14848-21diskstats19:55:220
33519913262,17cyclictest16349-21which20:00:430
33519913261,35cyclictest6373-21diskstats23:35:220
33519913177,41cyclictest8554-21munin-plugin-st23:45:020
33519913161,33cyclictest1305-21snmpd23:01:260
33519913161,20cyclictest2841-21ntp_states23:20:420
33519913070,21cyclictest623-21/usr/sbin/munin23:15:040
33519913069,22cyclictest12847-21seq19:46:210
33519913065,34cyclictest2010-21node22:53:540
33519913061,34cyclictest20779-21ntp_states22:25:430
33519913061,33cyclictest1305-21snmpd21:46:090
33519913059,35cyclictest9275-21users23:45:500
33519912973,45cyclictest21851-21seq22:30:260
33519912971,38cyclictest787-21haveged23:50:190
33519912965,45cyclictest1305-21snmpd20:28:510
33519912965,21cyclictest6913-21fw_forwarded_lo21:30:260
33519912958,34cyclictest1305-21snmpd22:11:140
33519912881,37cyclictest28271-21ntp_states20:45:400
33519912861,32cyclictest20435-21wget00:30:150
33519912785,32cyclictest754-21systemd-journal00:00:060
33519912765,45cyclictest30776-21chrt23:05:150
33519912663,23cyclictest9979-21memory19:35:330
33519912663,22cyclictest25735-21apt22:45:100
33519912656,34cyclictest1305-21snmpd22:21:160
33519912576,37cyclictest8634-21diskstats19:30:220
33519912570,43cyclictest18264-21ntp_states22:15:430
33519912557,51cyclictest1480-21munin-node19:10:100
33519912477,36cyclictest31819-21sshd21:00:210
33519912475,36cyclictest9405-21fw_forwarded_lo21:40:240
33519912474,39cyclictest1551-21munin-run21:10:010
33519912465,39cyclictest12439-21/usr/sbin/munin00:00:390
33519912460,33cyclictest1305-21snmpd23:26:340
33519912268,35cyclictest1276-21runrttasks22:44:470
33519912159,49cyclictest1305-21snmpd21:24:030
33519911970,37cyclictest4970-21/usr/sbin/munin23:30:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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