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2025-04-23 - 16:49
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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
Characteristics of the 50 highest latencies:
System rack6slot0.osadl.org (updated Wed Apr 23, 2025 13:01:14)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2877399234194,19cyclictest38208-21inotify_reader12:15:191
2877399234194,19cyclictest38208-21inotify_reader12:15:191
2877399234194,19cyclictest38208-21inotify_reader12:15:191
2877399232207,12cyclictest31551-21NetworkChangeNo12:10:151
2877399232207,12cyclictest31551-21NetworkChangeNo12:10:151
2881999231215,3cyclictest0-21swapper/2907:40:2022
288239922730,100cyclictest15978-21CPU25
288239922730,100cyclictest15978-21CPU25
2878399204196,6cyclictest0-21swapper/611:00:0036
2878399204196,6cyclictest0-21swapper/611:00:0036
2883699198195,2cyclictest0-21swapper/3211:01:5026
2883699198195,2cyclictest0-21swapper/3211:01:4926
2879099197194,2cyclictest0-21swapper/1308:30:315
2879099197194,2cyclictest0-21swapper/1308:30:315
287849919710,179cyclictest8789-21NetworkChangeNo08:05:2037
287849919710,179cyclictest8789-21NetworkChangeNo08:05:2037
2878599196191,3cyclictest0-21swapper/810:15:2138
2878599196191,3cyclictest0-21swapper/810:15:2138
2878599196163,29cyclictest4906-21CPU38
2878599196163,29cyclictest4906-21CPU38
2878599196163,29cyclictest4906-21CPU38
2877399195189,4cyclictest0-21swapper/107:45:231
2877399195189,4cyclictest0-21swapper/107:45:231
288369919141,135cyclictest24274-21inotify_reader08:30:2126
288369919141,135cyclictest24274-21inotify_reader08:30:2126
2877399189177,9cyclictest0-21swapper/107:22:331
2877399189177,9cyclictest0-21swapper/107:22:331
2877399187182,3cyclictest271rcuc/111:31:091
2877399187182,3cyclictest271rcuc/111:31:091
2877399187182,3cyclictest271rcuc/111:31:091
288469918621,142cyclictest15980-21CPU33
288469918621,142cyclictest15980-21CPU33
288469918621,142cyclictest15980-21CPU33
28787991867,3cyclictest0-21swapper/1008:25:172
28787991867,3cyclictest0-21swapper/1008:25:172
2878599186181,3cyclictest36793-21nfsd12:27:3138
2878599186181,3cyclictest36793-21nfsd12:27:3138
2878599186179,4cyclictest39822-21cc111:25:3038
2878599186179,4cyclictest39822-21cc111:25:3038
2877399186179,5cyclictest0-21swapper/110:40:341
2877399186179,5cyclictest0-21swapper/110:40:331
2877399186179,5cyclictest0-21swapper/110:40:331
2884199185164,14cyclictest0-21swapper/3511:54:0629
2884199185164,14cyclictest0-21swapper/3511:54:0629
2884199185164,14cyclictest0-21swapper/3511:54:0529
288029918528,154cyclictest19018-21inotify_reader09:55:1616
288029918528,154cyclictest19018-21inotify_reader09:55:1616
288029918528,154cyclictest19018-21inotify_reader09:55:1616
2880199185179,5cyclictest0-21swapper/2211:36:0215
2880199185179,5cyclictest0-21swapper/2211:36:0215
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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