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2025-11-25 - 12:47
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the highest latencies:
System rack3slot2.osadl.org (updated Tue Nov 25, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
119484022490,4chrt1194838-21vmstat00:27:060
117697422430,3chrt1176975-21grep23:35:150
115703322400,3chrt1157025-21ntp_states22:36:400
112808922400,3chrt1128088-21/usr/sbin/munin21:12:020
117992722380,3chrt1179923-21ssh23:43:440
110549822340,4chrt1105496-21ntpq19:51:130
114551822280,2sleep01145519-21sh22:02:390
109368699213142,20cyclictest84-21jbd2/mmcblk0p2-00:00:050
119266622080,2sleep01192664-21ssh00:21:140
117335022040,2sleep01173351-21rm23:25:000
115471221990,2sleep01154711-21dpkg22:30:120
112510921970,2sleep01125112-21cut21:01:160
109368699195165,18cyclictest1184026-21kworker/u2:100:00:340
119082121930,3sleep01190822-21ntpq00:15:450
109368699188158,19cyclictest1099729-21kworker/u2:219:40:040
114176821860,3sleep01141771-21sendmail_mailst21:51:550
116916021840,3chrt1169158-21systemctl23:11:560
109368699183152,20cyclictest1176406-21kworker/u2:223:35:050
109368699183150,22cyclictest112-21systemd-journal00:40:050
119645921810,3sleep01196461-21timerwakeupswit00:31:560
109368699177146,20cyclictest1169873-21kworker/u2:000:10:060
110021221730,3chrt1100210-21users19:31:250
109368699171145,17cyclictest1156119-21kworker/u2:123:30:110
113748721700,4chrt1137486-21unin-run21:40:080
109368699169139,20cyclictest1169873-21kworker/u2:023:50:050
113433321670,4chrt1134331-21ssh21:30:290
115167821660,4chrt1151666-21ntpq22:20:450
109368699166137,19cyclictest1164382-21kworker/u2:323:20:100
109525521650,3chrt1095256-21cpu19:15:140
118936221630,4chrt1189357-21ntpq00:11:350
115628521620,3chrt1156284-21systemd-run22:35:040
109368699162132,19cyclictest1147407-21kworker/u2:322:46:560
109368699162128,23cyclictest1139171-21true21:45:040
110276421610,3chrt1102760-21ps19:41:160
116830521600,3chrt1168306-21cat23:10:100
109368699160130,19cyclictest1126389-21kworker/u2:121:30:030
109368699160130,19cyclictest1099729-21kworker/u2:220:00:070
109368699158127,20cyclictest1128573-21kworker/u2:321:16:560
109368699156125,20cyclictest1174658-21kworker/u2:323:55:090
109368699155124,20cyclictest1158008-21kworker/u2:222:51:550
109368699154124,19cyclictest1145665-21kworker/u2:222:05:280
109368699154124,19cyclictest1118821-21kworker/u2:020:50:050
109368699154123,20cyclictest84-21jbd2/mmcblk0p2-22:15:090
109368699153125,19cyclictest1111606-21kworker/u2:320:36:170
109368699150121,18cyclictest1124399-21kworker/u2:221:10:070
109368699149119,19cyclictest1124399-21kworker/u2:221:50:100
109368699149116,22cyclictest1151181-21true22:20:040
109368699146115,20cyclictest1114643-21kworker/u2:020:26:180
109368699145116,19cyclictest1158008-21kworker/u2:223:03:420
109368699145115,19cyclictest1116597-21kworker/u2:120:41:200
109368699145115,19cyclictest1093696-21kworker/u2:119:30:030
109368699144113,19cyclictest84-21jbd2/mmcblk0p2-21:56:210
109368699141111,19cyclictest1118821-21kworker/u2:021:00:050
109368699141111,19cyclictest1113242-21kworker/u2:120:21:180
109368699140109,20cyclictest1109346-21kworker/u2:020:15:030
109368699138110,18cyclictest1156119-21kworker/u2:122:55:300
109368699138108,19cyclictest1109346-21kworker/u2:020:05:550
109368699137107,19cyclictest1124399-21kworker/u2:221:25:090
109368699137107,19cyclictest1099729-21kworker/u2:219:50:030
109368699136107,18cyclictest1107660-21kworker/u2:120:00:230
109368699136103,22cyclictest112-21systemd-journal22:45:040
10936869912695,20cyclictest84-21jbd2/mmcblk0p2-20:20:030
111614221250,2sleep01116143-21/usr/sbin/munin20:30:120
10936869911888,20cyclictest1095518-21kworker/u2:219:21:160
10936869911788,19cyclictest1120692-21kworker/u2:220:51:050
10936869910981,18cyclictest1089929-21kworker/u2:019:10:030
10936869910476,18cyclictest1093696-21kworker/u2:119:10:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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