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2026-06-01 - 15:08
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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 Mon Jun 01, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8129227028,71sleep01305-21snmpd19:06:390
8594991767,125cyclictest1408-21nginx00:38:220
8594991727,109cyclictest11055-21apt-get19:22:090
8594991706,109cyclictest7188-21apt-get21:12:080
8594991688,116cyclictest1408-21nginx20:12:140
8594991615,95cyclictest5280-21apt-get23:12:120
85949916135,108cyclictest10250irq/56-4a10000020:28:020
8594991608,96cyclictest14781-21apt-get23:47:090
8594991597,111cyclictest23248-21basename20:05:150
85949915938,103cyclictest21083-21runrttasks00:07:200
85949915929,111cyclictest26253-21wget22:25:130
85949915917,121cyclictest8406-21wget23:20:150
85949915910,111cyclictest31747-21munin-run20:40:050
8594991587,94cyclictest17672-21apt-get19:47:100
8594991579,103cyclictest1-21systemd00:00:010
8594991578,114cyclictest1305-21snmpd20:50:250
8594991567,110cyclictest29942-21chrt22:40:080
8594991567,109cyclictest13068-21/usr/sbin/munin21:30:310
8594991566,129cyclictest548-21df22:50:170
8594991558,107cyclictest27201-21fw_conntrack00:30:220
8594991557,109cyclictest16575-21aten_r7power_en23:50:120
8594991555,93cyclictest11325-21apt-get21:27:070
85949915538,107cyclictest491-21chrt20:41:340
85949915533,110cyclictest24489-21chrt22:17:050
8594991549,123cyclictest21364-21runrttasks19:56:350
85949915438,106cyclictest1408-21nginx22:01:460
8594991537,113cyclictest6357-21irqstats21:05:310
8594991537,102cyclictest11077-21memory23:30:300
85949915347,95cyclictest26414-21runrttasks20:17:090
85949915345,91cyclictest10150irq/55-4a10000021:25:030
85949915339,102cyclictest4524-21ntpq23:05:350
8594991529,108cyclictest17930-21munin-run21:50:020
8594991528,123cyclictest19081-21wget00:00:150
8594991527,90cyclictest29831-21apt-get22:42:100
85949915245,95cyclictest14288-21runrttasks23:40:530
85949915236,105cyclictest14828-21which21:35:450
85949915211,103cyclictest1408-21nginx22:13:220
8594991519,99cyclictest19622-21sshd21:55:350
8594991518,121cyclictest10151-21/usr/sbin/munin19:15:270
8594991518,104cyclictest31815-21fw_conntrack22:45:250
8594991515,88cyclictest11896-21apt-get23:37:120
85949915123,110cyclictest1305-21snmpd20:23:270
8594991508,104cyclictest23569-21apt-get00:17:110
85949915033,105cyclictest754-21systemd-journal21:20:010
85949915029,107cyclictest801-21dbus-daemon00:26:240
85949915027,104cyclictest1305-21snmpd23:16:300
8594991497,92cyclictest5007-21df21:00:170
8594991497,102cyclictest1305-21snmpd23:01:240
85949914924,105cyclictest22004-21wget20:00:170
85949914910,98cyclictest3675-21wget20:55:150
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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