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2026-03-23 - 22:27
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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 Mon Mar 23, 2026 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
18672221128,51sleep00-21swapper/007:06:310
191489916932,18cyclictest3345-21wget10:20:130
191489916826,17cyclictest15461-21wget09:00:150
191489916720,19cyclictest2747-21ntpq12:25:330
191489916526,23cyclictest1305-21snmpd08:09:450
191489916354,12cyclictest101ktimersoftd/007:30:210
191489916110,23cyclictest30210-21ntp_states12:05:420
19148991609,16cyclictest21624-21apt-get07:18:180
191489916051,13cyclictest14678-21mailstats08:55:450
191489916046,12cyclictest0-21swapper/009:30:100
191489915923,28cyclictest12373-21latency_hist08:50:080
191489915862,81cyclictest101ktimersoftd/010:35:390
191489915850,17cyclictest2830-21/usr/sbin/munin08:10:310
191489915837,22cyclictest29835-21ntpq09:55:380
191489915735,19cyclictest801-21dbus-daemon08:40:020
191489915637,21cyclictest801-21dbus-daemon12:40:020
191489915631,24cyclictest0-21swapper/007:24:330
19148991556,15cyclictest27709-21apt-get09:52:090
191489915539,19cyclictest1458-21seq10:11:280
191489915538,13cyclictest10150irq/55-4a10000008:04:440
191489915447,14cyclictest10150irq/55-4a10000011:30:500
191489915349,89cyclictest101ktimersoftd/007:45:060
191489915339,17cyclictest16848-21runrttasks09:05:260
191489915238,11cyclictest10150irq/55-4a10000011:56:040
19148991518,16cyclictest1535-21ntp_states12:20:420
191489915146,14cyclictest10150irq/55-4a10000007:35:190
191489915134,29cyclictest3650irq/20-4900000007:45:320
191489915128,24cyclictest0-21swapper/011:51:020
191489915052,15cyclictest23282-21apt-key11:40:110
191489915043,17cyclictest19879-21runrttasks09:17:050
19148991497,57cyclictest1305-21snmpd08:24:520
191489914946,18cyclictest30191-21sshd07:50:250
191489914943,15cyclictest26860-21iwlist09:45:280
191489914942,13cyclictest10150irq/55-4a10000010:47:230
191489914923,17cyclictest17481-21mailstats11:15:470
19148991488,22cyclictest19473-21/usr/sbin/munin11:25:420
191489914845,16cyclictest10379-21/usr/sbin/munin08:40:350
191489914843,18cyclictest15535-21runrttasks11:09:300
191489914838,22cyclictest801-21dbus-daemon08:35:010
191489914835,30cyclictest101ktimersoftd/011:01:490
191489914819,31cyclictest32294-21cat12:15:130
19148991476,15cyclictest12376-21apt-get08:52:140
191489914743,17cyclictest6811-21sshd10:34:250
191489914742,17cyclictest31335-21if_eth012:10:300
191489914741,17cyclictest21271-21runrttasks09:23:100
191489914650,15cyclictest13155-21cat11:00:040
191489914642,18cyclictest31431-21runrttasks10:01:380
191489914641,18cyclictest18349-21cpu11:20:140
191489914639,17cyclictest25556-21runrttasks09:40:220
191489914639,14cyclictest8950irq/40-mmc111:10:420
19148991457,17cyclictest24481-21ntp_states09:35:420
19148991457,14cyclictest22011-21ntp_states09:25:400
191489914539,13cyclictest10150irq/55-4a10000010:05:480
191489914444,20cyclictest3991-21/usr/sbin/munin08:15:240
191489914441,18cyclictest18970-21runrttasks09:15:000
191489914440,19cyclictest23225-21latency_hist11:40:100
191489914440,17cyclictest32281-21runrttasks07:59:430
191489914439,17cyclictest11015-21if_eth010:50:320
191489914356,11cyclictest101ktimersoftd/012:31:120
191489914340,18cyclictest29184-21runrttasks12:00:500
191489914340,13cyclictest10150irq/55-4a10000010:45:020
191489914223,29cyclictest3650irq/20-4900000007:10:220
191489914156,10cyclictest101ktimersoftd/011:45:140
191489914144,14cyclictest2370-21awk10:15:350
19148991378,42cyclictest4525-21/usr/sbin/munin10:25:290
191489913741,16cyclictest23237-21cron07:25:040
191489913652,11cyclictest101ktimersoftd/008:25:220
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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