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2026-04-30 - 18:15
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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 Thu Apr 30, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1058728870,10sleep010588-21apt-key19:05:060
120589916175,41cyclictest26164-21apt-get22:46:180
120589916083,37cyclictest20219-21apt-get00:32:130
120589915984,35cyclictest20764-21/usr/sbin/munin22:20:430
120589915582,35cyclictest32579-21ntp_states23:10:440
120589915577,23cyclictest30850-21runrttasks20:26:160
120589915575,24cyclictest22170-21diskstats00:35:220
120589915382,52cyclictest2930-21dpkg23:20:170
120589915380,36cyclictest21642-21ntp_states19:45:430
120589915378,37cyclictest15742-21ntp_states00:10:400
1205899153102,38cyclictest27920-21apt-get20:12:130
120589915284,24cyclictest14409-21memory00:05:350
120589915283,23cyclictest28589-21apt-get20:17:080
120589915276,37cyclictest1305-21snmpd19:59:360
120589915275,19cyclictest6639-21apt-get23:37:090
120589915274,58cyclictest1305-21snmpd21:14:540
120589915174,58cyclictest1305-21snmpd19:29:300
120589915081,51cyclictest9734-21chrt21:24:070
120589915080,47cyclictest30239-21gpgv20:25:040
120589915078,20cyclictest20399-21ntp_states19:40:410
120589915068,24cyclictest21888-21apt-get22:26:170
120589914979,48cyclictest16584-21munin-node00:15:120
120589914975,36cyclictest18916-21sshd22:10:150
120589914878,50cyclictest15652-21apt-get21:56:160
120589914876,53cyclictest4576-21irqstats23:25:310
120589914869,22cyclictest22367-21apt-get19:52:100
120589914673,39cyclictest19139-21ntp_states19:35:410
120589914663,24cyclictest30439-21apt-get23:07:120
120589914582,21cyclictest13965-21df_inode19:15:260
120589914571,37cyclictest8378-21chrt21:18:170
120589914477,48cyclictest10509-21/usr/sbin/munin23:50:140
120589914475,49cyclictest32259-21runrttasks20:32:410
120589914469,21cyclictest858-21apt-get23:17:280
120589914383,20cyclictest11964-21ntp_states23:55:410
120589914378,25cyclictest23292-21df_inode22:30:190
120589914378,24cyclictest25425-21ntp_states22:40:390
120589914377,34cyclictest10651-21/usr/sbin/munin21:30:440
120589914295,36cyclictest15728-21cat21:55:070
120589914272,49cyclictest13159-21runrttasks00:00:330
120589914272,18cyclictest1337-21/usr/sbin/munin20:40:410
120589914270,38cyclictest20635-21munin-run22:20:020
120589914192,37cyclictest17812-21memory19:30:310
120589914184,43cyclictest12999-21ntp_states21:40:420
120589914169,19cyclictest19493-21ntp_states00:25:410
120589914168,37cyclictest1305-21snmpd21:29:570
120589914161,62cyclictest152542chrt19:20:210
120589914095,34cyclictest4830-21/usr/sbin/munin21:00:220
120589914064,59cyclictest294702chrt22:57:570
120589913876,20cyclictest16870-21seq22:00:100
120589913874,44cyclictest1276-21runrttasks22:39:050
120589913872,32cyclictest769-21munin-run20:40:020
120589913788,40cyclictest13827-21sshd21:45:050
120589913778,38cyclictest11925-21runrttasks21:35:320
120589913769,50cyclictest1305-21snmpd20:09:390
120589913767,49cyclictest24824-21/usr/sbin/munin20:00:120
120589913687,36cyclictest18085-21fw_conntrack00:20:240
120589913672,45cyclictest5630-21wget23:30:150
120589913575,49cyclictest1305-21snmpd23:41:350
120589913574,40cyclictest1305-21snmpd23:00:410
120589913572,21cyclictest27565-21diskstats22:50:170
120589913563,57cyclictest10150irq/55-4a10000023:48:410
120589913486,36cyclictest13259-21latency_hist19:15:060
120589913481,42cyclictest3073-21chrt20:50:170
120589913468,24cyclictest754-21systemd-journal21:08:040
120589913372,44cyclictest4353-21seq20:57:110
120589913276,39cyclictest1276-21runrttasks22:07:460
120589912981,36cyclictest2066-21cron20:45:040
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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