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2026-06-25 - 17:05
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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 Thu Jun 25, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11441219011,48sleep00-21swapper/019:09:340
115619916610,136cyclictest1305-21snmpd20:07:120
11561991646,16cyclictest2678-21apt-get20:42:140
115619916238,107cyclictest10250irq/56-4a10000023:09:050
115619916225,116cyclictest1305-21snmpd22:35:520
115619916223,119cyclictest22748-21wget00:05:180
11561991618,135cyclictest8839-21wget23:10:190
115619916136,107cyclictest10250irq/56-4a10000021:30:500
115619916120,122cyclictest1305-21snmpd23:34:030
115619916023,103cyclictest1276-21runrttasks22:30:110
11561991597,14cyclictest11841-21df_inode19:10:180
115619915941,106cyclictest22135-21apt-key19:50:260
115619915822,115cyclictest1305-21snmpd20:04:460
11561991578,18cyclictest27236-21apt-get20:12:100
11561991577,14cyclictest26270-21apt-get00:22:110
115619915722,98cyclictest1408-21nginx20:55:420
115619915721,117cyclictest30305-21wget20:20:140
11561991569,24cyclictest24464-21wget22:05:130
11561991567,15cyclictest1276-21runrttasks00:34:100
115619915633,111cyclictest29171-21sshd00:28:160
115619915620,115cyclictest24354-21latency_hist20:00:050
115619915615,16cyclictest23230-21wget22:00:160
115619915610,20cyclictest1-21systemd21:55:440
11561991558,20cyclictest20752-21ntp_states19:45:400
11561991556,14cyclictest4641-21chrt22:54:570
115619915523,113cyclictest14405-21/usr/sbin/munin21:25:110
11561991547,16cyclictest27595-21apt-get22:17:060
11561991546,17cyclictest1774-21apt-get22:47:120
11561991546,16cyclictest10478-21/usr/sbin/munin23:15:350
11561991538,20cyclictest1305-21snmpd00:16:480
115619915333,108cyclictest1408-21nginx19:20:220
11561991527,21cyclictest2681-21/usr/sbin/munin20:40:050
11561991527,18cyclictest29745-21apt-get20:17:020
11561991527,15cyclictest12666-21apt-get21:17:010
115619915240,95cyclictest32017-21seq00:39:480
115619915216,117cyclictest1276-21runrttasks20:32:140
11561991517,124cyclictest30354-21chrt22:29:090
115619915146,96cyclictest7066-21seq23:04:190
115619915129,108cyclictest5900-21fw_conntrack20:50:250
11561991508,15cyclictest17091-21diskstats21:35:230
11561991508,120cyclictest1276-21runrttasks20:25:180
115619915034,103cyclictest754-21systemd-journal21:55:010
11561991498,23cyclictest12861-21diskstats23:25:230
11561991497,15cyclictest4621-21df20:45:170
115619914938,99cyclictest18172-21wget21:40:120
115619914925,104cyclictest10679-21cut21:10:120
11561991489,18cyclictest21231-21munin-run00:00:020
11561991488,22cyclictest1305-21snmpd21:02:430
11561991488,20cyclictest15448-21wget19:25:120
115619914835,101cyclictest26021-21pluginstate22:10:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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