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2026-04-26 - 19:08
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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 100 highest latencies:
System rackeslot3.osadl.org (updated Sun Apr 26, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1858718997242,29cyclictest1998289-21kworker/1:211:15:141
1858718997140,30cyclictest1314742-1kworker/1:2H12:00:181
1858718997035,33cyclictest1971652-21kworker/1:310:45:161
185871899692,64cyclictest2024853-21fschecks_time11:45:151
1858718996850,17cyclictest1858989-21kworker/1:007:10:131
1858718996837,29cyclictest1314742-1kworker/1:2H12:05:131
1858718996837,29cyclictest1314742-1kworker/1:2H10:10:001
1858718996741,23cyclictest1314742-1kworker/1:2H11:00:141
1858718996738,28cyclictest2060229-21kworker/1:012:30:151
1858718996735,30cyclictest1314742-1kworker/1:2H10:55:141
1858718996734,31cyclictest2038947-21kworker/1:112:20:151
185871899661,63cyclictest0-21swapper/111:07:041
1858718996439,24cyclictest1314742-1kworker/1:2H09:35:001
1858718996436,26cyclictest1314742-1kworker/1:2H09:00:131
1858718996336,25cyclictest1314742-1kworker/1:2H09:05:131
1858718996258,2cyclictest0-21swapper/110:34:481
1858718996149,9cyclictest1922927-21fschecks_count09:40:141
1858718996142,18cyclictest1887358-21kworker/1:208:40:141
1858718996044,15cyclictest1928160-21kworker/1:109:50:151
1858718996043,16cyclictest1914197-21kworker/1:309:39:111
1858718996041,18cyclictest2038947-21kworker/1:112:25:141
1858718995943,15cyclictest2007203-21kworker/1:211:25:001
1858718995943,15cyclictest1314742-1kworker/1:2H12:39:091
1858718995941,16cyclictest1895606-21kworker/1:109:20:141
1858718995940,17cyclictest1856285-21kworker/1:107:30:131
1858718995932,25cyclictest1875008-21kworker/1:208:15:151
1858718995849,7cyclictest1861450-21fschecks_time07:15:161
1858718995849,7cyclictest1861450-21fschecks_time07:15:151
1858718995843,14cyclictest2038947-21kworker/1:112:15:011
1858718995843,14cyclictest1875008-21kworker/1:208:00:221
1858718995841,16cyclictest1971652-21kworker/1:310:50:061
1858718995841,16cyclictest1889169-21kworker/1:108:55:141
1858718995841,16cyclictest1875008-21kworker/1:208:05:161
1858718995831,26cyclictest1936730-21kworker/1:010:00:161
1858718995742,14cyclictest2030363-21kworker/1:111:55:051
1858718995742,14cyclictest2026115-21kworker/1:011:50:141
1858718995742,14cyclictest1314742-1kworker/1:2H07:40:161
1858718995741,15cyclictest1871924-21kworker/1:107:55:151
1858718995740,16cyclictest2007203-21kworker/1:211:30:151
1858718995640,15cyclictest1868748-21kworker/1:207:39:551
1858718995639,16cyclictest1856285-21kworker/1:107:25:151
1858718995540,14cyclictest1993984-21kworker/1:011:10:361
1858718995540,14cyclictest1895606-21kworker/1:109:15:321
1858718995539,15cyclictest1932443-21kworker/1:209:55:131
1858718995539,15cyclictest1889169-21kworker/1:108:52:091
1858718995523,30cyclictest2038947-21kworker/1:112:10:151
1858722995450,3cyclictest3819399-1kworker/2:0H12:37:432
1858718995439,14cyclictest2002839-21kworker/1:111:20:171
1858718995439,14cyclictest1962456-21kworker/1:110:40:401
1858718995439,14cyclictest1882754-21kworker/1:008:35:141
1858718995438,15cyclictest1868748-21kworker/1:207:45:131
185871899540,52cyclictest1884332-21/usr/sbin/munin08:30:001
1858722995349,2cyclictest2003217-21kworker/2:011:37:092
1858722995347,3cyclictest3819399-1kworker/2:0H08:40:142
1858718995338,14cyclictest1895606-21kworker/1:109:11:401
1858718995338,14cyclictest1875008-21kworker/1:208:20:171
1858718995338,14cyclictest1871924-21kworker/1:107:52:381
1858718995338,14cyclictest1314742-1kworker/1:2H10:35:141
1858718995337,15cyclictest1953861-21kworker/1:110:20:001
1858718995337,15cyclictest1949554-21kworker/1:210:15:151
1858718995337,15cyclictest1875008-21kworker/1:208:11:391
1858718995333,18cyclictest1860966-21kworker/1:207:20:141
1858718995322,28cyclictest1889169-21kworker/1:108:45:151
185871899530,52cyclictest0-21swapper/109:45:221
1858711995349,2cyclictest2023995-21kworker/0:012:25:050
1858711995348,3cyclictest2604461-1kworker/0:2H12:23:140
1858728995248,3cyclictest1677842-1kworker/3:0H07:50:403
1858728995247,3cyclictest1677842-1kworker/3:0H10:05:403
1858722995248,2cyclictest3819399-1kworker/2:0H08:02:382
1858718995237,14cyclictest2007203-21kworker/1:211:35:201
1858718995237,14cyclictest1958149-21kworker/1:010:25:051
1858718995237,14cyclictest1895606-21kworker/1:109:25:141
1858718995236,15cyclictest1882754-21kworker/1:008:30:161
185871899521,49cyclictest0-21swapper/111:44:091
1858711995246,3cyclictest2604461-1kworker/0:2H10:05:150
1858728995146,3cyclictest1677842-1kworker/3:0H12:05:453
185871899510,50cyclictest0-21swapper/110:13:041
1858711995147,2cyclictest2604461-1kworker/0:2H09:15:390
1858728995044,3cyclictest1677842-1kworker/3:0H07:20:143
1858722995047,2cyclictest2003217-21kworker/2:011:33:052
1858711995047,2cyclictest1860272-21kworker/0:207:27:090
1858711995046,2cyclictest2604461-1kworker/0:2H09:58:130
1858728994945,3cyclictest1873516-21kworker/3:108:19:043
1858728994944,3cyclictest1677842-1kworker/3:0H11:53:093
1858728994944,3cyclictest1677842-1kworker/3:0H08:35:133
1858722994944,3cyclictest3819399-1kworker/2:0H11:55:152
1858711994946,2cyclictest1993180-21kworker/0:011:18:380
1858711994945,3cyclictest2604461-1kworker/0:2H09:50:450
1858728994842,3cyclictest1677842-1kworker/3:0H11:45:003
1858722994845,2cyclictest3819399-1kworker/2:0H08:22:042
1858722994843,3cyclictest3819399-1kworker/2:0H09:15:012
1858722994842,4cyclictest3819399-1kworker/2:0H09:05:012
1858711994845,2cyclictest2011322-21kworker/0:211:47:390
1858711994845,2cyclictest1889172-21kworker/0:008:45:380
1858711994844,2cyclictest2604461-1kworker/0:2H08:35:070
1858711994844,2cyclictest1993180-21kworker/0:011:12:100
1858728994744,2cyclictest1885884-21kworker/3:208:53:143
1858728994744,2cyclictest1837797-21kworker/3:207:11:073
1858728994743,3cyclictest1885884-21kworker/3:208:40:383
1858722994744,2cyclictest3819399-1kworker/2:0H09:23:102
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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