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2026-04-08 - 05:26
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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 Apr 07, 2026 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11124221632,54sleep00-21swapper/007:06:470
115729916559,91cyclictest101ktimersoftd/009:40:410
115729916340,30cyclictest3650irq/20-4900000012:27:150
11572991629,46cyclictest28982-21apt-get08:17:060
115729916029,25cyclictest0-21swapper/010:36:400
115729915939,29cyclictest4920-21cut08:50:120
11572991589,22cyclictest18280-21ntp_states07:35:430
115729915839,20cyclictest2405-21ntpq08:40:350
115729915836,27cyclictest3650irq/20-4900000009:00:010
115729915757,11cyclictest101ktimersoftd/010:20:400
115729915746,13cyclictest10150irq/55-4a10000009:30:010
115729915744,20cyclictest19376-21runrttasks07:40:260
115729915629,18cyclictest20626-21/usr/sbin/munin09:50:480
11572991559,41cyclictest27032-21apt-get12:17:120
11572991557,20cyclictest32263-21diskstats12:35:210
11572991557,20cyclictest11296-21apt-get11:18:200
115729915546,20cyclictest4011-21runrttasks10:51:150
115729915444,15cyclictest10150irq/55-4a10000010:07:540
115729915443,15cyclictest10150irq/55-4a10000010:00:450
11572991536,18cyclictest8401-21apt-get11:12:130
115729915356,86cyclictest13833-21/usr/sbin/munin11:26:050
115729915344,13cyclictest10150irq/55-4a10000009:17:040
115729915248,15cyclictest16938-21seq09:35:180
115729915247,14cyclictest10150irq/55-4a10000007:17:070
115729915239,22cyclictest801-21dbus-daemon12:15:020
115729915117,33cyclictest30677-21grep10:30:140
115729915040,20cyclictest17122-21latency_hist11:40:080
115729915035,33cyclictest8000-21seq09:00:260
115729915035,20cyclictest12016-21runrttasks11:20:200
115729915023,39cyclictest1408-21nginx07:54:330
115729915010,18cyclictest6426-21ntp_states11:00:390
115729914957,13cyclictest101ktimersoftd/012:00:150
115729914941,19cyclictest801-21dbus-daemon12:24:480
115729914941,19cyclictest24693-21runrttasks12:08:290
115729914939,20cyclictest22060-21sh09:55:180
115729914848,14cyclictest10150irq/55-4a10000007:56:010
115729914836,21cyclictest20219-21diskstats11:50:190
115729914819,30cyclictest0-21swapper/008:31:060
115729914810,37cyclictest4395-21vmstat08:46:420
11572991478,17cyclictest25718-21wget10:10:150
115729914743,17cyclictest31591-21sendmail-mta08:27:530
115729914741,17cyclictest1655-21runrttasks10:43:550
115729914729,22cyclictest15461-21wget07:25:130
11572991467,18cyclictest2120-21diskstats10:45:210
115729914652,13cyclictest101ktimersoftd/007:20:380
115729914643,20cyclictest31156-21runrttasks12:30:320
115729914641,20cyclictest801-21dbus-daemon08:40:010
11572991457,16cyclictest17024-21apt-get11:40:420
115729914558,11cyclictest101ktimersoftd/011:45:330
115729914558,10cyclictest101ktimersoftd/008:10:260
115729914540,17cyclictest11312-21runrttasks09:14:210
115729914537,21cyclictest1305-21snmpd10:28:430
115729914513,14cyclictest5901-21latency_hist11:00:040
115729914442,19cyclictest20288-21runrttasks09:48:100
115729914441,16cyclictest21642-21ntp_states11:55:350
115729914438,20cyclictest15294-21aten_r7power_cu09:30:120
115729914357,11cyclictest101ktimersoftd/008:00:170
115729914353,12cyclictest101ktimersoftd/007:45:420
115729914338,19cyclictest8402-21munin-plugin-st11:10:040
115729914240,15cyclictest12795-21aten_r7power_cu09:20:120
115729914237,18cyclictest26727-21runrttasks08:08:570
115729914136,19cyclictest11847-21runrttasks07:10:170
115729914038,18cyclictest30483-21runrttasks08:24:000
115729913933,19cyclictest17241-21xargs07:30:470
115729913734,18cyclictest9879-21runrttasks09:07:420
115729913528,32cyclictest101ktimersoftd/011:30:270
115729913334,21cyclictest787-21haveged10:17:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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