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2025-08-22 - 00:09
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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 50 highest latencies:
System rackeslot3.osadl.org (updated Thu Aug 21, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1846531997744,32cyclictest1902482-21kworker/1:310:10:161
1846531997144,26cyclictest1831815-21kworker/1:108:05:161
1846531996939,27cyclictest1878149-21kworker/1:109:45:151
1846531996844,23cyclictest1868103-21kworker/1:008:35:151
1846531996838,28cyclictest1316921-1kworker/1:2H08:45:151
1846531996835,31cyclictest1878149-21kworker/1:108:55:151
1846531996740,25cyclictest1316921-1kworker/1:2H10:40:001
1846531996637,28cyclictest1316921-1kworker/1:2H09:35:381
1846531996637,27cyclictest1316921-1kworker/1:2H09:10:061
1846531996635,29cyclictest1924047-21kworker/1:111:25:181
1846531996542,22cyclictest1316921-1kworker/1:2H10:50:271
1846531996540,24cyclictest1932160-21kworker/1:211:35:001
1846531996536,28cyclictest1953618-21kworker/1:012:40:001
1846531996536,28cyclictest1912179-21kworker/1:010:30:181
1846531996536,28cyclictest1902482-21kworker/1:310:15:141
1846531996534,29cyclictest1932160-21kworker/1:211:40:141
1846531996443,16cyclictest1902482-21kworker/1:310:20:441
1846531996437,26cyclictest1932160-21kworker/1:211:35:151
1846531996435,27cyclictest1316921-1kworker/1:2H10:40:481
184653199640,2cyclictest0-21swapper/111:21:031
1846531996337,24cyclictest1936786-21kworker/1:112:20:161
1846531996333,28cyclictest1316921-1kworker/1:2H07:50:141
184653199630,62cyclictest0-21swapper/107:55:211
184653199630,1cyclictest0-21swapper/109:22:251
1846531996255,5cyclictest0-21swapper/108:14:551
1846531996239,22cyclictest1831815-21kworker/1:107:10:161
1846531996233,27cyclictest1878149-21kworker/1:109:40:141
1846531996230,30cyclictest1866447-21kworker/1:208:15:151
1846531996144,16cyclictest1316921-1kworker/1:2H10:47:511
1846531996143,17cyclictest1936786-21kworker/1:111:45:051
1846531996140,20cyclictest1831815-21kworker/1:107:40:171
1846531996140,19cyclictest1316921-1kworker/1:2H07:25:011
1846531996044,15cyclictest1936786-21kworker/1:112:25:161
1846531996044,15cyclictest1868103-21kworker/1:008:25:251
1846531996044,15cyclictest1831815-21kworker/1:107:45:191
1846531996042,17cyclictest1936786-21kworker/1:111:59:571
1846531996042,17cyclictest1924047-21kworker/1:111:11:181
1846531996042,17cyclictest1878149-21kworker/1:109:55:431
1846531996042,17cyclictest1878149-21kworker/1:109:00:061
1846531996042,17cyclictest1316921-1kworker/1:2H09:31:071
1846531996041,17cyclictest1876241-21kworker/1:208:40:151
1846531996040,18cyclictest1924047-21kworker/1:111:15:151
1846531996040,18cyclictest1878149-21kworker/1:109:25:071
1846531996040,18cyclictest1316921-1kworker/1:2H08:20:321
1846531996029,29cyclictest1831815-21kworker/1:108:00:161
1846531996028,29cyclictest1953618-21kworker/1:012:35:001
184653199600,2cyclictest1942280-21fschecks_count12:00:181
1846531995943,15cyclictest1831815-21kworker/1:107:30:161
1846531995941,17cyclictest1831815-21kworker/1:107:15:011
1846531995941,16cyclictest1936786-21kworker/1:112:16:441
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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