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2025-12-03 - 06:07
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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 Wed Dec 03, 2025 01:00:10)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3738899279255,4cyclictest0-21swapper/722:00:1937
3738899279255,4cyclictest0-21swapper/722:00:1937
3740599275269,3cyclictest0-21swapper/1523:03:567
3740599275269,3cyclictest0-21swapper/1523:03:567
3738899268240,5cyclictest4910-21CPU37
3738899268240,5cyclictest4910-21CPU37
3738899257235,12cyclictest0-21swapper/720:25:2037
3738899257235,12cyclictest0-21swapper/720:25:2037
3742699237136,80cyclictest0-21swapper/2722:05:1820
3742699237136,80cyclictest0-21swapper/2722:05:1720
3738399235218,3cyclictest45-21ksoftirqd/322:25:1923
3738399235218,3cyclictest45-21ksoftirqd/322:25:1923
3738899233210,4cyclictest0-21swapper/720:45:2137
3738899233210,4cyclictest0-21swapper/720:45:2137
37378992241,75cyclictest0-21swapper/019:15:190
37378992241,75cyclictest0-21swapper/019:15:190
373939921721,170cyclictest4910-21CPU2
373939921721,170cyclictest4910-21CPU2
37432992101,192cyclictest0-21swapper/2923:40:1922
37432992101,192cyclictest0-21swapper/2923:40:1822
374249920641,160cyclictest2735-21inotify_reader22:00:1919
374249920641,160cyclictest2735-21inotify_reader22:00:1919
37391992061,199cyclictest0-21swapper/921:45:1939
37391992061,199cyclictest0-21swapper/921:45:1939
37391992061,199cyclictest0-21swapper/921:45:1939
374409920420,179cyclictest24933-21inotify_reader23:45:1930
374409920420,179cyclictest24933-21inotify_reader23:45:1930
374409920420,179cyclictest24933-21inotify_reader23:45:1930
3738399204183,13cyclictest0-21swapper/322:30:1923
3738399204183,13cyclictest0-21swapper/322:30:1923
37433992027,6cyclictest30990-21inotify_reader21:15:1924
37433992027,6cyclictest30990-21inotify_reader21:15:1924
37440992011,191cyclictest0-21swapper/3622:20:1930
37440992011,191cyclictest0-21swapper/3622:20:1830
37391992011,195cyclictest0-21swapper/921:55:1939
37391992011,195cyclictest0-21swapper/921:55:1839
37391992011,195cyclictest0-21swapper/921:55:1839
3738399200193,3cyclictest0-21swapper/323:50:2223
3738399200193,3cyclictest0-21swapper/323:50:2223
373919919912,74cyclictest0-21swapper/921:05:1939
373919919912,74cyclictest0-21swapper/921:05:1939
3741999198185,11cyclictest0-21swapper/2100:20:4414
3741999198185,11cyclictest0-21swapper/2100:20:4314
374269919659,133cyclictest18765-21inotify_reader20:20:1920
374269919659,133cyclictest18765-21inotify_reader20:20:1920
3742199195154,17cyclictest0-21swapper/2321:09:5416
3742199195154,17cyclictest0-21swapper/2321:09:5316
37393991957,184cyclictest0-21swapper/1000:15:192
37393991957,184cyclictest0-21swapper/1000:15:192
37393991957,184cyclictest0-21swapper/1000:15:192
3743599194147,35cyclictest28312-21inotify_reader20:35:2126
3743599194147,35cyclictest28312-21inotify_reader20:35:2026
37426991941,188cyclictest0-21swapper/2719:15:2020
37426991941,188cyclictest0-21swapper/2719:15:2020
37393991943,5cyclictest15978-21CPU2
37393991943,5cyclictest15978-21CPU2
37432991935,85cyclictest0-21swapper/2919:45:1722
37432991935,85cyclictest0-21swapper/2919:45:1722
37378991921,187cyclictest0-21swapper/023:40:180
37378991921,187cyclictest0-21swapper/023:40:180
3743799191182,8cyclictest0-21swapper/3421:23:0428
3743799191182,8cyclictest0-21swapper/3421:23:0428
373939919112,81cyclictest38031-21inotify_reader21:45:182
373939919112,81cyclictest38031-21inotify_reader21:45:182
373939919112,81cyclictest38031-21inotify_reader21:45:182
3738899191174,6cyclictest0-21swapper/719:50:1737
3738899191174,6cyclictest0-21swapper/719:50:1737
3738899191174,6cyclictest0-21swapper/719:50:1737
373919919016,170cyclictest0-21swapper/921:50:2139
373919919016,170cyclictest0-21swapper/921:50:2139
3740399189185,2cyclictest0-21swapper/1321:50:185
3740399189185,2cyclictest0-21swapper/1321:50:185
3741599188177,9cyclictest0-21swapper/1822:09:3310
3741599188177,9cyclictest0-21swapper/1822:09:3310
3741399188183,2cyclictest0-21swapper/1722:23:599
3741399188183,2cyclictest0-21swapper/1722:23:599
3742399187182,3cyclictest36795-21nfsd21:39:5018
3742399187182,3cyclictest36795-21nfsd21:39:5018
37391991871,181cyclictest0-21swapper/923:30:1739
37391991871,181cyclictest0-21swapper/923:30:1739
37391991871,181cyclictest0-21swapper/923:30:1639
37395991853,177cyclictest0-21swapper/1122:20:193
37395991853,177cyclictest0-21swapper/1122:20:193
3738899185181,2cyclictest0-21swapper/721:54:2637
3738899185181,2cyclictest0-21swapper/721:54:2637
374359918465,100cyclictest0-21swapper/3221:05:2026
374359918465,100cyclictest0-21swapper/3221:05:2026
37393991841,179cyclictest0-21swapper/1023:50:202
37393991841,179cyclictest0-21swapper/1023:50:202
37393991841,178cyclictest0-21swapper/1022:55:182
37393991841,178cyclictest0-21swapper/1022:55:182
37440991831,178cyclictest0-21swapper/3619:55:1930
37440991831,176cyclictest0-21swapper/3621:15:1830
37440991831,176cyclictest0-21swapper/3621:15:1830
37432991831,4cyclictest767-21systemd-journal22:20:1322
37432991831,4cyclictest767-21systemd-journal22:20:1322
3742399183178,3cyclictest0-21swapper/2521:50:0118
3742399183178,3cyclictest0-21swapper/2521:50:0118
3742399183178,3cyclictest0-21swapper/2521:50:0118
373959918320,144cyclictest21357-21inotify_reader23:50:213
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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