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2026-05-09 - 19:38
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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 May 09, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17731222616,32sleep00-21swapper/019:07:340
180849917229,122cyclictest30533-21seq19:57:090
18084991637,112cyclictest23372-21chrt23:45:070
18084991598,94cyclictest22316-21ntp_states19:25:410
18084991597,130cyclictest18420-21apt-cache21:17:120
180849915941,105cyclictest801-21dbus-daemon00:00:010
180849915923,116cyclictest1408-21nginx22:12:460
18084991587,18cyclictest933-21apt-get20:12:080
18084991577,109cyclictest31894-21fw_conntrack00:15:210
180849915727,111cyclictest1305-21snmpd23:51:410
180849915724,118cyclictest801-21dbus-daemon00:25:010
180849915723,114cyclictest1305-21snmpd23:08:070
18084991568,94cyclictest5939-21ntp_states22:35:380
18084991567,129cyclictest17867-21sshd23:21:250
180849915611,90cyclictest25926-21ntp_states21:45:420
18084991558,127cyclictest11224-21chrt22:56:260
18084991558,112cyclictest2350-21sshd00:25:360
18084991558,106cyclictest10415-21munin-run22:55:010
18084991557,112cyclictest20676-21munin-node19:20:090
18084991556,128cyclictest11657-21apt-get23:02:120
18084991556,120cyclictest1305-21snmpd21:51:120
18084991546,129cyclictest20072-21/usr/sbin/munin23:30:410
18084991538,124cyclictest11314-21apt20:50:000
18084991537,126cyclictest24780-21runrttasks19:35:360
18084991536,15cyclictest23278-21apt-get23:47:090
180849915333,108cyclictest4005-21sshd22:28:250
180849915310,104cyclictest4316-21/usr/sbin/munin22:30:440
18084991528,123cyclictest1305-21snmpd20:17:420
18084991527,126cyclictest23367-21netstat21:35:330
18084991526,126cyclictest1305-21snmpd21:06:140
180849915238,103cyclictest4234-21runrttasks00:32:250
18084991519,123cyclictest28726-21apt-config00:05:050
18084991517,92cyclictest28668-21apt-get00:07:110
18084991516,126cyclictest29153-21sendmail-msp22:00:020
180849915154,87cyclictest30617-21/usr/sbin/munin00:10:140
180849915127,103cyclictest1408-21nginx20:21:450
18084991507,89cyclictest7210-21ntp_states22:40:420
180849915053,81cyclictest101ktimersoftd/019:15:220
180849915026,109cyclictest787-21haveged19:30:150
18084991499,105cyclictest24479-21df21:40:170
18084991498,128cyclictest20097-21apt-get21:22:130
18084991497,17cyclictest18564-21ntp_states19:10:410
18084991497,122cyclictest1276-21runrttasks19:40:130
18084991496,124cyclictest1890-21wget22:20:130
180849914919,89cyclictest13546-21sshd20:57:590
180849914825,106cyclictest10250irq/56-4a10000021:12:370
18084991478,14cyclictest29263-21/usr/sbin/munin22:00:120
18084991477,17cyclictest14330-21ntp_states21:00:430
18084991476,16cyclictest18805-21ntp_states23:25:400
18084991476,16cyclictest14914-21sshd23:10:240
18084991476,123cyclictest28490-21ntpq19:50:350
180849914739,97cyclictest30797-21runrttasks22:05:300
180849914739,87cyclictest8950irq/40-mmc120:40:210
180849914737,98cyclictest11618-21df20:50:160
18084991467,120cyclictest1305-21snmpd21:34:210
180849914635,97cyclictest7882-21df20:35:170
180849914624,110cyclictest28105-21cat19:50:030
18084991458,95cyclictest16126-21fw_conntrack23:15:220
18084991457,22cyclictest936-21munin-run20:10:030
180849914536,99cyclictest831-21/usr/sbin/munin22:15:300
180849914516,114cyclictest10250irq/56-4a10000021:25:130
180849914441,92cyclictest21369-21runrttasks23:35:390
180849914435,99cyclictest31530-21wc20:00:450
18084991437,124cyclictest1-21systemd20:25:130
18084991436,13cyclictest7479-21sshd20:34:130
180849914110,118cyclictest5069-21ntp_states00:35:450
18084991398,119cyclictest8297-21/usr/sbin/munin22:45:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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