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2025-06-16 - 20:14
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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 Mon Jun 16, 2025 12:45:04)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
278579911686,19cyclictest14-21ksoftirqd/010:40:160
278599911367,32cyclictest26-21ksoftirqd/111:45:201
278579911384,15cyclictest14-21ksoftirqd/010:05:150
278579911182,19cyclictest14-21ksoftirqd/010:55:150
278579910877,20cyclictest14-21ksoftirqd/010:35:200
27859991079,24cyclictest0-21swapper/109:25:171
278599910713,25cyclictest0-21swapper/110:20:181
278579910776,20cyclictest14-21ksoftirqd/012:35:160
278599910613,24cyclictest0-21swapper/110:10:171
278599910612,20cyclictest0-21swapper/111:50:211
27859991059,22cyclictest0-21swapper/108:05:151
278599910513,25cyclictest0-21swapper/112:20:151
278599910512,25cyclictest0-21swapper/108:25:131
278599910512,25cyclictest0-21swapper/108:25:121
278599910511,24cyclictest0-21swapper/109:20:151
278599910511,24cyclictest0-21swapper/109:20:151
278599910511,23cyclictest0-21swapper/111:20:161
278599910510,21cyclictest0-21swapper/108:30:151
278599910414,24cyclictest0-21swapper/111:30:151
278599910413,25cyclictest0-21swapper/109:45:151
278599910411,27cyclictest0-21swapper/111:55:161
278599910411,27cyclictest0-21swapper/108:10:151
278599910411,24cyclictest0-21swapper/109:05:181
278599910410,24cyclictest0-21swapper/107:35:141
278579910471,21cyclictest14-21ksoftirqd/009:50:180
27859991039,23cyclictest0-21swapper/110:05:171
278599910312,26cyclictest0-21swapper/112:25:171
278599910312,26cyclictest0-21swapper/108:40:161
278599910312,25cyclictest0-21swapper/110:15:141
278599910312,25cyclictest0-21swapper/109:00:201
278599910312,25cyclictest0-21swapper/108:45:191
278599910311,23cyclictest0-21swapper/109:55:151
278599910311,19cyclictest0-21swapper/111:35:161
278599910310,24cyclictest0-21swapper/107:45:131
278599910310,24cyclictest0-21swapper/107:20:161
278579910372,19cyclictest0-21swapper/010:50:180
278599910212,24cyclictest0-21swapper/107:15:171
278599910211,24cyclictest0-21swapper/108:35:171
278579910270,21cyclictest14-21ksoftirqd/009:10:170
278599910115,22cyclictest0-21swapper/112:35:181
278599910011,26cyclictest0-21swapper/110:45:161
278599910011,22cyclictest0-21swapper/112:30:181
27859999910,23cyclictest0-21swapper/110:35:211
27857999967,19cyclictest14-21ksoftirqd/007:15:140
27859999811,29cyclictest0-21swapper/111:05:161
27857999870,19cyclictest0-21swapper/009:35:160
27857999870,19cyclictest0-21swapper/009:35:160
2785999978,22cyclictest0-21swapper/111:40:191
27857999712,76cyclictest0-21swapper/010:15:160
27859999613,24cyclictest0-21swapper/110:25:171
2737429624,25sleep00-21swapper/007:06:480
2785999958,25cyclictest0-21swapper/109:40:141
27859999510,25cyclictest0-21swapper/111:15:161
27857999564,21cyclictest14-21ksoftirqd/012:15:200
27857999531,51cyclictest0-21swapper/009:05:170
27857999512,69cyclictest0-21swapper/007:30:140
27857999512,69cyclictest0-21swapper/007:30:140
27859999410,27cyclictest0-21swapper/109:30:171
27857999470,16cyclictest14-21ksoftirqd/009:45:120
27857999460,20cyclictest14-21ksoftirqd/012:30:170
27857999361,19cyclictest14-21ksoftirqd/011:10:200
27859999210,60cyclictest0-21swapper/109:15:151
27857999259,19cyclictest14-21ksoftirqd/011:55:170
27859999110,22cyclictest0-21swapper/107:25:141
27857999162,17cyclictest14-21ksoftirqd/007:20:150
27857999110,67cyclictest0-21swapper/008:45:160
27859999011,58cyclictest0-21swapper/109:50:151
27859999011,23cyclictest0-21swapper/108:15:131
27859998911,23cyclictest0-21swapper/111:00:171
27859998910,28cyclictest0-21swapper/110:30:161
27857998954,21cyclictest14-21ksoftirqd/008:55:160
27859998812,24cyclictest0-21swapper/109:35:151
27859998812,24cyclictest0-21swapper/109:35:141
27859998812,22cyclictest0-21swapper/112:10:171
27859998812,22cyclictest0-21swapper/112:10:161
27857998857,19cyclictest14-21ksoftirqd/008:10:160
2785999876,35cyclictest65-21kswapd007:40:121
27857998759,18cyclictest14-21ksoftirqd/011:00:140
27857998752,23cyclictest14-21ksoftirqd/008:35:170
2785999868,24cyclictest0-21swapper/108:00:141
27857998654,19cyclictest14-21ksoftirqd/008:20:170
2785999848,35cyclictest6250-21diskmemload09:10:161
27857998452,20cyclictest14-21ksoftirqd/011:25:170
27857998448,24cyclictest14-21ksoftirqd/007:55:130
27857998448,24cyclictest14-21ksoftirqd/007:25:120
27857998347,24cyclictest14-21ksoftirqd/008:25:160
27857998347,24cyclictest14-21ksoftirqd/008:25:160
2785999828,52cyclictest36-21kcompactd007:50:161
27857998244,26cyclictest14-21ksoftirqd/010:10:140
27857998212,56cyclictest0-21swapper/011:35:150
2785999819,25cyclictest0-21swapper/110:00:161
27859998113,26cyclictest0-21swapper/110:50:151
27857998142,27cyclictest14-21ksoftirqd/010:30:180
27857998041,29cyclictest14-21ksoftirqd/008:15:120
2785799799,56cyclictest6418-31find07:40:150
2785799798,57cyclictest32709-21chrt10:25:160
2785799789,54cyclictest29670-21munin-node09:55:140
2785799789,26cyclictest14-21ksoftirqd/009:40:120
27857997843,21cyclictest0-21swapper/007:35:120
27857997837,29cyclictest14-21ksoftirqd/011:40:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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