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2026-05-03 - 18:23
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Sun May 03, 2026 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13116214170,15sleep013110-21cyclictest19:10:020
131219912246,55cyclictest27900-21sshd00:17:070
131219912133,35cyclictest26324-21fw_conntrack20:00:410
131219910953,36cyclictest17840-21seq21:34:050
131219910536,50cyclictest801-21dbus-daemon00:25:160
131219910441,49cyclictest39652chrt22:45:150
131219910420,30cyclictest24944-21memory00:05:420
131219910419,65cyclictest0-21swapper/022:18:430
131219910360,33cyclictest1408-21nginx22:43:090
131219910330,39cyclictest30912-21apt-get20:20:530
131219910330,35cyclictest10311-21df23:10:280
131219910329,19cyclictest1276-21runrttasks20:25:410
131219910142,44cyclictest30941-21http20:20:050
131219910038,42cyclictest0-21swapper/022:10:120
131219910025,39cyclictest15207-21apt-get19:17:010
13121999950,36cyclictest13736-21apt-get23:27:110
13121999928,32cyclictest3945-21cat20:40:050
13121999830,36cyclictest32044-21apt-get22:32:120
13121999828,36cyclictest1305-21snmpd19:13:030
13121999816,22cyclictest20339-21apt-get23:52:110
13121999750,35cyclictest19520-21df21:40:170
13121999742,35cyclictest2521-21sendmail-msp22:40:020
13121999735,42cyclictest15532-21wget23:30:110
13121999725,50cyclictest7713-21/usr/sbin/munin20:55:120
13121999646,39cyclictest11675-21seq21:10:240
13121999641,42cyclictest23302-21sshd00:00:070
13121999629,48cyclictest6530-21wget20:50:120
13121999623,36cyclictest26131-21df_inode22:05:200
13121999623,19cyclictest32734-21diskstats00:35:230
13121999622,36cyclictest27382-21wget20:05:140
13121999557,29cyclictest20577-21aten_r7power_cu21:45:120
13121999553,32cyclictest32051-21runrttasks00:32:050
13121999547,33cyclictest3650irq/20-4900000022:02:120
13121999531,44cyclictest24524-21wget19:55:140
13121999529,33cyclictest12981-21awk23:20:350
13121999524,19cyclictest20903-21diskstats19:40:220
13121999523,35cyclictest23690-21memory00:00:350
13121999522,35cyclictest23569-21ntp_states19:50:430
13121999453,23cyclictest0-21swapper/021:23:310
13121999452,32cyclictest11205-21runrttasks21:08:580
13121999429,46cyclictest28389-21/usr/sbin/munin00:20:100
13121999414,37cyclictest12104-21apt-get23:17:070
13121999364,20cyclictest18325-21runrttasks23:40:310
13121999349,33cyclictest6242-21sshd20:49:050
13121999329,47cyclictest13473-21sshd21:17:060
13121999326,33cyclictest4297-21seq20:40:300
13121999259,22cyclictest22939-21latency_hist21:55:010
13121999247,11cyclictest101ktimersoftd/022:23:430
13121999226,50cyclictest1305-21snmpd21:28:310
13121999225,48cyclictest1305-21snmpd23:08:530
13121999135,43cyclictest16739-21wget23:35:090
13121999127,44cyclictest16982-21aten_r7power_cu19:25:110
13121999123,36cyclictest1538-21wget20:30:130
13121999123,31cyclictest9344-21chrt21:00:350
13121999122,35cyclictest1305-21snmpd23:49:000
13121999060,21cyclictest7188-21runrttasks22:57:340
13121999049,30cyclictest5353-21entropy22:50:280
13121999045,35cyclictest16027-21seq19:20:320
13121998956,23cyclictest754-21systemd-journal22:00:010
13121998918,35cyclictest26321-21chrt00:10:470
13121998915,38cyclictest18477-21awk21:35:420
13121998844,34cyclictest32140-21sort22:30:080
13121998827,22cyclictest19523-21cut19:35:150
13121998724,34cyclictest1305-21snmpd19:33:070
13121998717,34cyclictest8522-21runrttasks23:03:120
13121998620,49cyclictest1305-21snmpd19:48:110
13121998554,21cyclictest29602-21runrttasks20:14:370
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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