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2025-06-17 - 01:54
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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 50 highest latencies:
System rack3slot2.osadl.org (updated Tue Jun 17, 2025 00:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
101845423050,3chrt1018455-21ls20:40:080
104575022710,3chrt1045751-21awk22:05:290
103722122630,2sleep01037222-21grep21:40:160
106707922500,3chrt1067077-21ssh23:07:320
106145622480,3sleep01061457-21/usr/sbin/munin22:51:210
109143622460,4chrt1091428-21diskstats00:20:240
106077722440,4chrt1060758-21ssh22:50:020
107974722370,3chrt1079744-21ssh23:45:230
102133022370,3chrt1021331-21/usr/sbin/munin20:50:140
103065122320,3sleep01030652-21sh21:20:400
99329899215186,18cyclictest1080616-21kworker/u2:200:00:330
104248121960,3sleep01042483-21cat21:55:370
99329899192161,19cyclictest1062502-21kworker/u2:223:00:300
99329899191161,20cyclictest1082910-21kworker/u2:000:00:060
99329899190159,20cyclictest1050847-21kworker/u2:222:30:050
103278021890,2sleep01032782-21grep21:26:520
99329899186156,19cyclictest1029826-21kworker/u2:021:20:040
104419421850,3chrt1044196-21latency22:00:350
107635821830,4chrt22-21kcompactd023:35:310
99329899181151,19cyclictest1008401-21kworker/u2:220:30:030
104051121810,4chrt1040512-21ls21:50:110
99940321800,4chrt999400-21ntpq19:30:510
99650721800,2sleep0996509-21cat19:20:330
99329899180150,18cyclictest1055443-21kworker/u2:122:45:080
105472321800,2sleep01054724-21/usr/sbin/munin22:31:370
99329899179149,19cyclictest1023934-21kworker/u2:221:05:050
100729821790,3sleep01007299-21date20:00:070
99329899178149,18cyclictest1055443-21kworker/u2:123:40:340
99329899176146,19cyclictest1008401-21kworker/u2:220:15:030
99329899174145,19cyclictest996004-21kworker/u2:119:20:040
99329899173145,18cyclictest1008401-21kworker/u2:220:45:030
99329899173144,18cyclictest1008401-21kworker/u2:220:35:040
99329899173142,20cyclictest1069286-21kworker/u2:023:20:040
109683121730,4chrt1096826-21ntpq00:36:090
99329899170139,19cyclictest988293-21kworker/u2:119:10:040
99329899170138,20cyclictest1039851-21kworker/u2:121:55:100
108225921700,3chrt1082260-21timerwakeupswit23:52:010
101201121700,4chrt1012009-21ntpq20:16:080
102016721670,3chrt1020168-21cat20:45:320
99329899166134,20cyclictest1088895-21kworker/u2:200:14:220
99329899165135,19cyclictest1088895-21kworker/u2:200:30:050
99329899164131,20cyclictest29-21kswapd022:20:290
104763721640,4chrt1047300-21/usr/sbin/munin22:10:420
99329899162132,19cyclictest1027013-21kworker/u2:321:15:050
106360621620,3chrt1063607-21ssh22:57:120
99329899161132,19cyclictest1023934-21kworker/u2:221:00:030
99329899161131,20cyclictest1088895-21kworker/u2:200:20:070
99329899161131,19cyclictest1069286-21kworker/u2:023:15:090
99329899161131,18cyclictest1001691-21kworker/u2:320:05:070
99329899160130,18cyclictest1008401-21kworker/u2:220:10:070
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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