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2025-12-06 - 13:57
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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 Sat Dec 06, 2025 01:00:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3605099253212,17cyclictest33424-21TaskSchedulerSi23:30:2024
3605099253212,17cyclictest33424-21TaskSchedulerSi23:30:1924
3600499245228,3cyclictest36795-21nfsd20:05:171
3600499245228,3cyclictest36795-21nfsd20:05:171
3605099244215,12cyclictest137350irq/45-eno1-TxRx-323:55:2124
3605099244215,12cyclictest137350irq/45-eno1-TxRx-323:55:2124
3605099239232,3cyclictest0-21swapper/3020:16:2424
3605099239232,3cyclictest0-21swapper/3020:16:2424
360379923438,176cyclictest16717-21NetworkChangeNo20:20:1918
360379923438,176cyclictest16717-21NetworkChangeNo20:20:1918
3601599227207,3cyclictest0-21swapper/920:40:2139
3601599227207,3cyclictest0-21swapper/920:40:2039
3601599227207,3cyclictest0-21swapper/920:40:2039
3605099206172,18cyclictest0-21swapper/3023:00:1824
3605099206172,18cyclictest0-21swapper/3023:00:1824
3605099206172,18cyclictest0-21swapper/3023:00:1824
36057992001,188cyclictest0-21swapper/3521:25:2429
36057992001,188cyclictest0-21swapper/3521:25:2329
36057991991,87cyclictest27824-21NetworkChangeNo19:15:1929
36057991991,87cyclictest27824-21NetworkChangeNo19:15:1929
360319919965,72cyclictest0-21swapper/2021:55:1813
360319919965,72cyclictest0-21swapper/2021:55:1813
36037991981,138cyclictest0-21swapper/2519:25:1718
36037991981,138cyclictest0-21swapper/2519:25:1718
360319919460,70cyclictest10318-21NetworkChangeNo20:10:2213
360319919460,70cyclictest10318-21NetworkChangeNo20:10:2213
3600499194190,2cyclictest0-21swapper/120:56:361
3603899193101,89cyclictest0-21swapper/2619:15:1819
3603899193101,89cyclictest0-21swapper/2619:15:1819
3601699193178,4cyclictest0-21swapper/1023:05:162
3601699193178,4cyclictest0-21swapper/1023:05:152
3601699193178,4cyclictest0-21swapper/1023:05:152
360319919238,150cyclictest0-21swapper/2022:35:1913
360319919238,150cyclictest0-21swapper/2022:35:1913
360299919294,63cyclictest32746-21inotify_reader23:25:2110
360299919294,63cyclictest32746-21inotify_reader23:25:2110
360299919294,63cyclictest32746-21inotify_reader23:25:2110
3606199191183,6cyclictest0-21swapper/3920:27:3233
3606199191183,6cyclictest0-21swapper/3920:27:3233
3603399191140,46cyclictest30895-21inotify_reader21:25:2315
3603399191140,46cyclictest30895-21inotify_reader21:25:2315
36029991916,179cyclictest11898-21CPU10
36029991916,179cyclictest11898-21CPU10
36029991916,179cyclictest11898-21CPU10
36029991911,4cyclictest36934-21TaskSchedulerSi19:15:1710
36029991911,4cyclictest36934-21TaskSchedulerSi19:15:1710
3604299190120,63cyclictest15978-21CPU22
3604299190120,63cyclictest15978-21CPU22
360299918840,143cyclictest4630-21CPU10
360299918840,143cyclictest4630-21CPU10
36026991881,176cyclictest0-21swapper/1520:35:187
36026991881,176cyclictest0-21swapper/1520:35:187
360549918775,97cyclictest4908-21CPU26
360549918775,97cyclictest4908-21CPU26
360279918717,145cyclictest10880-21inotify_reader20:35:188
360279918717,145cyclictest10880-21inotify_reader20:35:188
36042991862,180cyclictest40279-21inotify_reader00:05:1922
36042991862,180cyclictest40279-21inotify_reader00:05:1922
360169918652,9cyclictest34994-21inotify_reader23:55:212
360169918652,9cyclictest34994-21inotify_reader23:55:212
36037991851,77cyclictest0-21swapper/2521:20:1918
36037991851,77cyclictest0-21swapper/2521:20:1918
36029991858,160cyclictest15982-21CPU10
36029991858,160cyclictest15982-21CPU10
360559918456,112cyclictest15985-21CPU27
360559918456,112cyclictest15985-21CPU27
360379918498,77cyclictest11026-21inotify_reader21:00:1918
360379918498,77cyclictest11026-21inotify_reader21:00:1918
36033991842,165cyclictest15983-21CPU15
36033991842,165cyclictest15983-21CPU15
3600499184177,5cyclictest4624-21qemu-system-x8600:15:081
3600499184177,5cyclictest4624-21qemu-system-x8600:15:071
36057991831,173cyclictest13706-21TaskSchedulerSi23:35:1829
36057991831,173cyclictest13706-21TaskSchedulerSi23:35:1829
36057991831,173cyclictest13706-21TaskSchedulerSi23:35:1829
36042991822,168cyclictest35242-21NetworkChangeNo23:40:1822
36042991822,168cyclictest35242-21NetworkChangeNo23:40:1822
360579918128,108cyclictest25306-21inotify_reader00:30:2129
360579918128,108cyclictest25306-21inotify_reader00:30:2029
360339918196,71cyclictest5972-21inotify_reader23:45:1915
360339918196,71cyclictest5972-21inotify_reader23:45:1915
36026991811,170cyclictest11338-21inotify_reader23:05:187
36026991811,170cyclictest11338-21inotify_reader23:05:187
36026991811,170cyclictest11338-21inotify_reader23:05:187
3606199180175,4cyclictest0-21swapper/3923:26:4233
3606199180175,4cyclictest0-21swapper/3923:26:4233
3606199180175,4cyclictest0-21swapper/3923:26:4233
36029991800,20cyclictest14590-21sshd23:05:1810
36029991800,20cyclictest14590-21sshd23:05:1810
36029991800,20cyclictest14590-21sshd23:05:1810
36042991791,97cyclictest0-21swapper/2922:35:2022
36042991791,97cyclictest0-21swapper/2922:35:1922
360279917941,132cyclictest29206-21TaskSchedulerSi21:55:178
360279917941,132cyclictest29206-21TaskSchedulerSi21:55:178
36010991791,17cyclictest15957-21qemu-system-x8623:50:1836
36010991791,17cyclictest15957-21qemu-system-x8623:50:1836
3603699178162,7cyclictest0-21swapper/2400:20:1717
3603699178162,7cyclictest0-21swapper/2400:20:1717
3601199178166,9cyclictest9169-21qemu-system-x8623:32:2837
3601199178166,9cyclictest9169-21qemu-system-x8623:32:2837
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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