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2026-05-14 - 05:35
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 100 highest latencies:
System rack3slot6.osadl.org (updated Thu May 14, 2026 00:45:05)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1241521050,5chrt12418-21grep22:45:251
31434210332,23sleep10-21swapper/119:06:051
3144829522,27sleep00-21swapper/019:06:140
278742940,6chrt27877-21sed23:30:020
31988999376,10cyclictest26-21ksoftirqd/122:35:121
31988999376,10cyclictest26-21ksoftirqd/122:35:111
31988999267,12cyclictest26-21ksoftirqd/121:35:121
31988999167,11cyclictest26-21ksoftirqd/121:45:141
31988998857,20cyclictest26-21ksoftirqd/121:10:281
31988998557,16cyclictest26-21ksoftirqd/100:20:141
31988998354,19cyclictest26-21ksoftirqd/120:10:131
31988998255,18cyclictest26-21ksoftirqd/100:05:121
3198499817,57cyclictest0-21swapper/019:45:130
31988997955,17cyclictest26-21ksoftirqd/123:10:141
31988997649,18cyclictest26-21ksoftirqd/100:35:141
31984997535,23cyclictest14-21ksoftirqd/023:05:320
31984997532,27cyclictest14-21ksoftirqd/020:48:420
31984997532,27cyclictest14-21ksoftirqd/020:48:420
31988997326,41cyclictest26-21ksoftirqd/123:25:281
31988997325,11cyclictest26-21ksoftirqd/119:40:191
31988997216,48cyclictest251rcuc/120:10:001
31988997144,19cyclictest26-21ksoftirqd/120:50:121
31988997142,18cyclictest0-21swapper/122:20:131
31988997123,43cyclictest26-21ksoftirqd/100:15:281
31988997123,43cyclictest26-21ksoftirqd/100:15:281
3198499715,22cyclictest820-21apt-get23:45:160
31988997042,17cyclictest26-21ksoftirqd/122:40:131
31988997017,16cyclictest26-21ksoftirqd/120:40:011
31988996944,17cyclictest26-21ksoftirqd/119:25:131
31988996940,20cyclictest26-21ksoftirqd/120:20:121
31988996938,18cyclictest0-21swapper/122:05:151
31988996927,36cyclictest26-21ksoftirqd/121:55:351
31988996920,42cyclictest26-21ksoftirqd/120:45:161
31988996920,42cyclictest26-21ksoftirqd/120:45:161
31984996938,26cyclictest503-21snmpd19:40:370
31988996842,15cyclictest0-21swapper/121:15:151
31988996840,16cyclictest0-21swapper/123:15:241
3198899682,17cyclictest6459-21munin-plugin-st22:30:011
31988996818,14cyclictest26-21ksoftirqd/122:20:011
31988996818,14cyclictest26-21ksoftirqd/122:20:011
31984996838,9cyclictest14-21ksoftirqd/021:00:170
3198499682,26cyclictest19337-21taskset20:02:540
31988996742,14cyclictest0-21swapper/120:00:121
31988996741,16cyclictest0-21swapper/122:10:121
31988996738,17cyclictest0-21swapper/120:30:101
31988996737,18cyclictest26-21ksoftirqd/119:15:121
31988996736,21cyclictest0-21swapper/122:50:121
31988996735,19cyclictest0-21swapper/123:05:121
31988996724,13cyclictest26-21ksoftirqd/100:00:041
31988996639,16cyclictest0-21swapper/123:30:131
31988996637,17cyclictest0-21swapper/100:30:141
31988996620,15cyclictest26-21ksoftirqd/121:35:011
31984996636,25cyclictest20435-21ntp_states20:05:290
31988996539,16cyclictest0-21swapper/123:20:151
31988996539,16cyclictest0-21swapper/121:00:141
31988996538,17cyclictest0-21swapper/121:05:131
31988996537,17cyclictest0-21swapper/119:45:141
31988996536,18cyclictest0-21swapper/122:30:151
31988996514,10cyclictest251rcuc/121:25:001
31984996529,31cyclictest14-21ksoftirqd/023:52:380
31984996527,18cyclictest14-21ksoftirqd/020:30:150
31984996524,18cyclictest5495-21aten2.4-expect20:55:150
3198899644,46cyclictest0-21swapper/122:55:161
31988996437,18cyclictest5868-21install00:00:001
31988996432,19cyclictest0-21swapper/119:55:151
31988996428,14cyclictest26-21ksoftirqd/121:30:001
31988996411,41cyclictest0-21swapper/120:55:121
31988996410,11cyclictest26-21ksoftirqd/119:30:351
31984996439,17cyclictest3137-21apt-get22:20:120
31984996428,30cyclictest14-21ksoftirqd/020:15:220
31984996426,31cyclictest14-21ksoftirqd/023:15:430
31984996418,22cyclictest14-21ksoftirqd/000:10:220
31984996417,20cyclictest14-21ksoftirqd/020:20:150
31984996411,37cyclictest21827-21df20:10:180
31988996335,16cyclictest0-21swapper/100:25:131
3198899633,41cyclictest30022-21df23:35:191
31988996326,15cyclictest26-21ksoftirqd/119:35:051
31988996317,15cyclictest26-21ksoftirqd/123:50:011
3198499638,34cyclictest151rcu_preempt22:15:370
3198499638,34cyclictest151rcu_preempt22:15:370
3198499635,16cyclictest30269-21apt-get22:05:120
3198499633,11cyclictest25766-21ntp_states21:50:300
31984996322,17cyclictest19839-21aten2.4-expect21:35:150
31988996234,20cyclictest31977-21cyclictest19:10:131
31988996225,15cyclictest26-21ksoftirqd/120:20:011
31988996223,16cyclictest26-21ksoftirqd/122:05:001
31988996223,16cyclictest26-21ksoftirqd/122:05:001
3198499625,33cyclictest0-21swapper/022:45:240
31984996220,16cyclictest17403-21vmstat21:25:360
31988996132,17cyclictest0-21swapper/100:10:141
31988996124,16cyclictest26-21ksoftirqd/121:45:001
31988996123,16cyclictest26-21ksoftirqd/120:30:001
3198499615,36cyclictest0-21swapper/022:10:170
31984996147,8cyclictest14-21ksoftirqd/021:45:290
31984996117,23cyclictest14-21ksoftirqd/023:35:310
31984996114,11cyclictest14-21ksoftirqd/022:31:200
31988996014,16cyclictest26-21ksoftirqd/119:20:211
31984996037,18cyclictest14-21ksoftirqd/021:40:160
31984996036,9cyclictest14-21ksoftirqd/020:50:360
31984996035,18cyclictest14-21ksoftirqd/021:10:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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