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2025-12-01 - 17:11
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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 100 highest latencies:
System rack6slot0.osadl.org (updated Mon Dec 01, 2025 13:00:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1291699246221,17cyclictest33412-21inotify_reader08:00:1728
1291699246221,17cyclictest33412-21inotify_reader08:00:1728
1287499226205,11cyclictest0-21swapper/207:35:1812
1287499226205,11cyclictest0-21swapper/207:35:1812
1287499224205,9cyclictest10320-21inotify_reader12:30:2012
1287499224205,9cyclictest10320-21inotify_reader12:30:1912
12912992192,206cyclictest16896-21TaskSchedulerSi08:00:1724
12912992192,206cyclictest16896-21TaskSchedulerSi08:00:1724
129109921689,110cyclictest16718-21inotify_reader07:40:1921
129109921689,110cyclictest16718-21inotify_reader07:40:1921
128879920486,102cyclictest15981-21CPU4
128879920486,102cyclictest15981-21CPU4
1287499202193,7cyclictest0-21swapper/211:06:1612
1287499202193,7cyclictest0-21swapper/211:06:1612
1287499202193,7cyclictest0-21swapper/211:06:1612
129129920010,185cyclictest15978-21CPU24
1288999199196,2cyclictest0-21swapper/1412:30:216
1288999199196,2cyclictest0-21swapper/1412:30:206
1291399198189,7cyclictest0-21swapper/3111:23:5025
1291399198189,7cyclictest0-21swapper/3111:23:5025
12885991981,193cyclictest0-21swapper/1011:55:182
12885991981,193cyclictest0-21swapper/1011:55:172
1287499198195,2cyclictest351rcuc/210:45:1412
1287499198195,2cyclictest351rcuc/210:45:1412
1287499198195,2cyclictest351rcuc/210:45:1412
129049919737,155cyclictest8880-21TaskSchedulerSi07:10:1919
129049919737,155cyclictest8880-21TaskSchedulerSi07:10:1919
12912991961,2cyclictest0-21swapper/3007:25:1924
12912991961,2cyclictest0-21swapper/3007:25:1924
12900991961,85cyclictest31082-21inotify_reader07:30:2016
12900991961,85cyclictest31082-21inotify_reader07:30:2016
12885991951,82cyclictest0-21swapper/1007:45:202
12885991951,82cyclictest0-21swapper/1007:45:202
128799919414,176cyclictest30425-21inotify_reader07:50:1836
128799919414,176cyclictest30425-21inotify_reader07:50:1836
129049919126,48cyclictest17329-21TaskSchedulerSi08:35:2219
129049919126,48cyclictest17329-21TaskSchedulerSi08:35:2219
1289699191145,21cyclictest0-21swapper/2010:52:1613
1289699191145,21cyclictest0-21swapper/2010:52:1513
1289699191145,21cyclictest0-21swapper/2010:52:1513
1291099190148,38cyclictest0-21swapper/2811:59:5321
1291099190148,38cyclictest0-21swapper/2811:59:5321
12898991905,182cyclictest33922-21TaskSchedulerSi08:10:1715
12879991901,3cyclictest0-21swapper/608:45:2336
12879991901,3cyclictest0-21swapper/608:45:2236
1290099189125,59cyclictest11901-21CPU16
1290099189125,59cyclictest11901-21CPU16
1290099189125,59cyclictest11901-21CPU16
128989918917,167cyclictest0-21swapper/2207:55:2015
128989918917,167cyclictest0-21swapper/2207:55:2015
12915991878,172cyclictest38705-21inotify_reader08:40:1827
12915991878,172cyclictest38705-21inotify_reader08:40:1827
1288899187115,68cyclictest4910-21CPU5
1288899187115,68cyclictest4910-21CPU5
1288899187115,68cyclictest4910-21CPU5
12876991871,6cyclictest0-21swapper/409:50:1834
12876991871,6cyclictest0-21swapper/409:50:1834
1291699185179,5cyclictest0-21swapper/3411:03:4128
1291699185179,5cyclictest0-21swapper/3411:03:4128
1291699185179,5cyclictest0-21swapper/3411:03:4128
12915991856,148cyclictest12104-21inotify_reader09:25:1927
12915991856,148cyclictest12104-21inotify_reader09:25:1827
12915991856,148cyclictest12104-21inotify_reader09:25:1827
12915991851,176cyclictest0-21swapper/3307:15:1827
12893991851,3cyclictest0-21swapper/1808:00:1710
12893991851,3cyclictest0-21swapper/1808:00:1710
1287799184142,25cyclictest0-21swapper/507:25:5835
1287799184142,25cyclictest0-21swapper/507:25:5835
128749918492,24cyclictest171rcu_preempt12:20:1912
128749918492,24cyclictest171rcu_preempt12:20:1812
128749918492,24cyclictest171rcu_preempt12:20:1812
12900991834,4cyclictest3078-21CPU16
12900991834,4cyclictest3078-21CPU16
1288899183175,6cyclictest0-21swapper/1311:25:225
1288899183175,6cyclictest0-21swapper/1311:25:215
1287299183101,65cyclictest4085-21TaskSchedulerSi08:35:220
1287299183101,65cyclictest4085-21TaskSchedulerSi08:35:220
1291699182175,5cyclictest0-21swapper/3408:30:2528
1291699182175,5cyclictest0-21swapper/3408:30:2528
12915991821,176cyclictest34994-21inotify_reader10:10:2027
12915991821,176cyclictest34994-21inotify_reader10:10:2027
12915991821,176cyclictest34994-21inotify_reader10:10:2027
1291499181134,17cyclictest0-21swapper/3209:24:2626
1291499181134,17cyclictest0-21swapper/3209:24:2626
1290199180177,2cyclictest0-21swapper/2411:26:1417
1290199180177,2cyclictest0-21swapper/2411:26:1417
12898991802,70cyclictest10085-21NetworkChangeNo08:15:1915
12898991801,115cyclictest0-21swapper/2208:20:2015
12898991801,115cyclictest0-21swapper/2208:20:1915
1289299180172,6cyclictest0-21swapper/1708:45:189
1289299180172,6cyclictest0-21swapper/1708:45:189
128859918029,124cyclictest12078-21inotify_reader08:10:172
12910991791,79cyclictest0-21swapper/2808:35:2221
12910991791,79cyclictest0-21swapper/2808:35:2221
1289699179172,5cyclictest0-21swapper/2009:41:3813
1289699179172,5cyclictest0-21swapper/2009:41:3813
1289599178103,69cyclictest8886-21NetworkChangeNo08:20:1911
1289599178103,69cyclictest8886-21NetworkChangeNo08:20:1911
1287499178173,4cyclictest0-21swapper/209:58:1312
1287499178173,4cyclictest0-21swapper/209:58:1312
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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