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2025-09-16 - 23:36
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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 Tue Sep 16, 2025 02:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
17402220729,49sleep00-21swapper/019:07:450
177409917038,111cyclictest802-21dbus-daemon00:34:390
17740991637,106cyclictest32635-21apt-get00:17:140
17740991618,97cyclictest4338-21apt-get22:32:090
177409916042,103cyclictest3650irq/20-4900000022:42:170
17740991597,91cyclictest13506-21apt-get21:02:110
17740991588,129cyclictest28642-21ntp_states19:51:140
177409915824,116cyclictest1356-21snmpd23:59:210
17740991569,104cyclictest1801-21node22:52:380
17740991558,126cyclictest7216-21munin-run22:40:010
17740991557,128cyclictest13122-21runrttasks20:56:520
17740991556,91cyclictest18897-21apt-get21:22:090
177409915512,123cyclictest1356-21snmpd00:09:230
17740991548,123cyclictest815-21rs:main0
17740991546,91cyclictest1356-21snmpd23:44:180
177409915440,102cyclictest802-21dbus-daemon19:40:030
177409915434,109cyclictest800-21avahi-daemon22:04:160
177409915428,110cyclictest17703-21cat23:20:050
177409915426,111cyclictest1356-21snmpd00:29:270
177409915424,110cyclictest1424-21nginx19:12:490
17740991537,108cyclictest18520-21apt-get21:17:100
177409915339,103cyclictest1356-21snmpd19:45:120
177409915319,116cyclictest1356-21snmpd22:29:010
17740991529,108cyclictest28508-21ntp_states21:55:400
17740991528,125cyclictest760-21systemd-journal23:04:030
17740991527,103cyclictest714-21/usr/sbin/munin20:10:120
17740991526,109cyclictest760-21systemd-journal20:22:160
177409915249,92cyclictest11781-21/usr/sbin/munin22:55:340
177409915235,104cyclictest1356-21snmpd20:46:320
177409915210,123cyclictest22613-21wc23:40:040
17740991518,92cyclictest27122-21fw_forwarded_lo21:50:270
17740991516,127cyclictest1356-21snmpd22:08:560
17740991516,105cyclictest800-21avahi-daemon00:35:390
177409915141,98cyclictest3190-21latency_hist22:25:040
177409915135,102cyclictest802-21dbus-daemon22:20:010
17740991507,102cyclictest1674-21ntpd00:10:400
17740991498,89cyclictest25513-21df19:40:180
177409914916,113cyclictest1424-21nginx23:14:130
17740991488,125cyclictest25825-21df21:45:160
17740991487,121cyclictest1356-21snmpd21:38:500
177409914824,87cyclictest1424-21nginx19:58:250
177409914814,99cyclictest1364-21sshd23:09:070
177409914810,100cyclictest31309-21users20:00:530
17740991477,87cyclictest21166-21/usr/sbin/munin21:25:460
17740991477,120cyclictest4710-21runrttasks20:25:170
177409914721,108cyclictest1356-21snmpd19:23:190
17740991468,95cyclictest2348-21netstat20:15:360
17740991467,88cyclictest16700-21df21:10:200
17740991467,101cyclictest1336-21runrttasks22:10:180
177409914623,103cyclictest8327-21wget20:40:160
17740991459,118cyclictest1356-21snmpd19:28:220
17740991458,100cyclictest800-21avahi-daemon22:46:180
17740991456,120cyclictest25284-21wget23:50:150
17740991455,105cyclictest23956-21munin-node23:45:130
177409914528,100cyclictest10150irq/55-4a10000020:33:350
17740991446,119cyclictest1356-21snmpd00:04:230
177409914435,99cyclictest18638-21sshd23:23:170
17740991437,96cyclictest906-21diskstats00:20:250
17740991437,90cyclictest19828-21apt-get19:17:060
17740991436,98cyclictest24521-21sshd21:40:160
17740991428,92cyclictest15567-21irqstats21:05:350
17740991418,96cyclictest3012sleep020:07:350
177409914125,105cyclictest22103-21/usr/sbin/munin21:30:190
17740991408,91cyclictest20257-21/usr/sbin/munin23:30:150
17740991398,89cyclictest19228-21fw_conntrack23:25:390
17740991388,88cyclictest1336-21runrttasks20:50:410
17740991388,109cyclictest22822-21/usr/sbin/munin19:30:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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