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2026-06-19 - 13:11
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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 all highest latencies:
System rack7slot8.osadl.org (updated Thu Jun 18, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13335221528,56sleep00-21swapper/007:08:350
135699916934,12cyclictest0-21swapper/009:35:120
13569991688,17cyclictest6406-21apt-get08:52:140
135699916754,97cyclictest101ktimersoftd/011:46:460
135699916739,12cyclictest10250irq/56-4a10000010:15:130
13569991628,17cyclictest12131-21apt-get11:17:100
135699916141,20cyclictest10851-21runrttasks09:05:190
135699916140,21cyclictest2010-21node12:05:390
135699916140,19cyclictest483-21http10:35:040
135699915938,21cyclictest7700-21wget11:00:100
135699915938,11cyclictest10150irq/55-4a10000008:50:010
135699915922,30cyclictest31340-21wget12:30:150
135699915836,20cyclictest10250irq/56-4a10000010:45:400
135699915835,12cyclictest10150irq/55-4a10000009:55:180
135699915827,29cyclictest10250irq/56-4a10000008:20:060
135699915747,11cyclictest101ktimersoftd/009:24:060
135699915743,17cyclictest10250irq/56-4a10000009:00:040
135699915743,16cyclictest10250irq/56-4a10000010:35:350
135699915742,15cyclictest10250irq/56-4a10000007:29:400
135699915741,20cyclictest4974-21seq10:50:220
135699915730,17cyclictest20619-21/usr/sbin/munin09:45:120
135699915620,19cyclictest12636-21/usr/sbin/munin11:20:120
13569991556,38cyclictest18750-21apt-get11:45:050
135699915537,13cyclictest10150irq/55-4a10000011:35:570
13569991546,17cyclictest30984-21apt-get08:17:110
135699915418,29cyclictest3650irq/20-4900000011:26:250
135699915338,14cyclictest10150irq/55-4a10000009:10:510
135699915334,17cyclictest5888-21apt-get10:56:260
135699915316,29cyclictest25076-21apt-key07:55:170
13569991528,16cyclictest15279-21ntp_states07:15:390
135699915243,14cyclictest10150irq/55-4a10000012:25:250
135699915233,21cyclictest9094-21runrttasks11:05:210
13569991519,16cyclictest27064-21fw_conntrack10:10:250
13569991517,17cyclictest15670-21wget09:25:120
135699915139,18cyclictest3188-21ntpq08:35:400
135699915120,29cyclictest22020-21cpu09:50:170
135699915036,17cyclictest24619-21if_eth010:00:300
135699915032,20cyclictest29077-21sshd12:21:290
135699915030,17cyclictest32724-21diskstats12:35:220
135699914940,17cyclictest9395-21date09:00:050
135699914924,11cyclictest0-21swapper/007:54:460
135699914923,19cyclictest1305-21snmpd11:51:110
13569991488,20cyclictest1305-21snmpd09:40:140
13569991487,31cyclictest1305-21snmpd10:20:280
135699914829,19cyclictest801-21dbus-daemon12:20:010
135699914820,19cyclictest1276-21runrttasks11:30:080
13569991478,18cyclictest28138-21sshd08:05:410
135699914742,20cyclictest17264-21runrttasks09:30:370
135699914739,18cyclictest10968-21runrttasks11:12:410
135699914634,16cyclictest16601-21proc_pri07:20:440
13569991448,17cyclictest4163-21wget08:40:150
135699914443,17cyclictest19716-21seq07:34:410
135699914440,17cyclictest26782-21if_eth008:00:300
135699914439,15cyclictest23320-21nfs4_client12:00:360
135699914429,21cyclictest21167-21wget07:40:120
135699914343,90cyclictest14045-21ntp_states07:10:390
135699914338,18cyclictest13635-21sendmail_mailqu09:15:440
135699914337,18cyclictest29179-21runrttasks08:10:190
135699914248,83cyclictest26401-21mailstats12:10:460
135699914246,85cyclictest850-21mailstats08:25:480
135699914237,18cyclictest23180-21runrttasks07:47:190
135699914146,85cyclictest19996-21grep07:35:150
135699914141,13cyclictest31399-21seq10:27:290
135699914135,18cyclictest3488-21date10:45:030
135699914134,19cyclictest754-21systemd-journal08:33:020
135699914041,14cyclictest26442-21seq10:07:440
135699914030,26cyclictest0-21swapper/011:55:110
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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