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2025-12-27 - 19:24
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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 rackcslot6.osadl.org (updated Sat Dec 27, 2025 12:46:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
179545399381380,1cyclictest1948663-21kworker/6:208:03:026
179545399381379,2cyclictest1948663-21kworker/6:207:12:016
179545399381379,1cyclictest1948663-21kworker/6:207:26:026
179545399381379,1cyclictest1835364-21kworker/6:112:26:016
179545399381379,1cyclictest1835364-21kworker/6:112:21:016
179545399381379,1cyclictest1835364-21kworker/6:112:18:016
179545399381379,1cyclictest1835364-21kworker/6:111:21:026
1795412993811,379cyclictest0-21swapper/109:07:021
179545399380379,1cyclictest1916572-21kworker/6:310:33:016
179545399380378,1cyclictest1835364-21kworker/6:112:34:016
179545399380378,1cyclictest1835364-21kworker/6:111:41:016
179545399380378,1cyclictest1835364-21kworker/6:111:12:026
179545399380378,1cyclictest1835364-21kworker/6:109:13:026
1795453993800,1cyclictest0-21swapper/609:22:016
1795412993800,379cyclictest0-21swapper/112:03:011
1795412993800,379cyclictest0-21swapper/109:33:021
179545399379378,1cyclictest1948663-21kworker/6:207:22:016
179545399379378,1cyclictest1835364-21kworker/6:112:11:016
179545399379378,1cyclictest1835364-21kworker/6:109:39:016
179545399379377,2cyclictest1948663-21kworker/6:207:46:016
179545399379377,1cyclictest1948663-21kworker/6:207:31:016
179545399379377,1cyclictest1850400-21kworker/6:009:09:016
1795453993790,1cyclictest0-21swapper/607:53:016
179541299379378,1cyclictest1808271-21kworker/1:012:06:011
179541299379378,1cyclictest0-21swapper/111:29:021
1795412993790,379cyclictest0-21swapper/108:34:021
1795412993790,378cyclictest0-21swapper/107:47:011
1795412993790,378cyclictest0-21swapper/107:33:021
1795412993790,1cyclictest0-21swapper/111:00:011
1795412993790,1cyclictest0-21swapper/110:30:021
179545399378377,1cyclictest1835364-21kworker/6:110:13:016
179545399378377,1cyclictest1835364-21kworker/6:110:09:026
179541299378377,1cyclictest1765536-21kworker/1:107:14:021
179541299378377,1cyclictest0-21swapper/110:18:011
179541299378377,1cyclictest0-21swapper/108:59:021
179545399377376,1cyclictest1948663-21kworker/6:208:13:026
179545399377376,1cyclictest1948663-21kworker/6:208:13:026
179545399377376,1cyclictest1835364-21kworker/6:110:21:016
179541299377376,1cyclictest0-21swapper/109:59:011
179541299377376,1cyclictest0-21swapper/107:21:021
179541299377375,1cyclictest0-21swapper/110:01:021
179543899298297,1cyclictest1889503-21kworker/4:012:19:014
179544599267265,1cyclictest0-21swapper/508:00:025
179544599266264,1cyclictest0-21swapper/512:33:025
179544599266264,1cyclictest0-21swapper/508:41:015
179544599265263,1cyclictest0-21swapper/511:06:015
179543899265264,1cyclictest0-21swapper/410:56:014
179544599264262,1cyclictest1874467-21kworker/5:110:05:015
179543899263262,1cyclictest0-21swapper/411:44:014
179543899263262,1cyclictest0-21swapper/408:15:024
179543899262261,1cyclictest0-21swapper/410:35:024
179543899262260,1cyclictest0-21swapper/412:35:014
179543899262260,1cyclictest0-21swapper/412:35:014
179543899261260,1cyclictest0-21swapper/410:40:014
179543899261260,1cyclictest0-21swapper/408:40:024
179543899261259,1cyclictest0-21swapper/409:50:014
179543899261259,1cyclictest0-21swapper/409:01:024
179544599260259,1cyclictest2056898-21kworker/5:207:25:015
179544599260258,1cyclictest2056898-21kworker/5:208:35:015
179543899260259,1cyclictest0-21swapper/409:55:014
179543899260258,1cyclictest0-21swapper/410:11:024
179544599259258,1cyclictest2056898-21kworker/5:209:10:015
179544599259258,1cyclictest1940657-21kworker/5:111:35:025
179544599259258,1cyclictest1904552-21kworker/5:210:37:025
179543899259258,1cyclictest1889503-21kworker/4:010:54:014
179543899259258,1cyclictest0-21swapper/411:55:024
179544599258257,1cyclictest2056898-21kworker/5:207:50:025
179543899258257,1cyclictest0-21swapper/410:15:024
179543899258257,1cyclictest0-21swapper/408:14:014
179543899258257,1cyclictest0-21swapper/408:14:014
179543899258256,1cyclictest0-21swapper/409:37:024
179543899258256,1cyclictest0-21swapper/409:26:024
179544599257256,1cyclictest1940657-21kworker/5:111:46:025
179544599257256,1cyclictest1874467-21kworker/5:109:35:015
179543899257256,1cyclictest3247006-21kworker/4:107:45:014
179543899257256,1cyclictest3247006-21kworker/4:107:20:024
179543899257256,1cyclictest0-21swapper/412:07:014
179543899257255,1cyclictest0-21swapper/411:33:014
179544599256255,1cyclictest1940657-21kworker/5:112:03:025
179544599256255,1cyclictest1934635-21kworker/5:011:00:025
179544599256255,1cyclictest1904552-21kworker/5:210:30:015
179544599256255,1cyclictest1874467-21kworker/5:109:33:025
179544599256254,1cyclictest2056898-21kworker/5:207:33:025
179544599256254,1cyclictest1874467-21kworker/5:109:41:025
179544599256254,1cyclictest1874467-21kworker/5:109:41:015
179544599256254,1cyclictest0-21swapper/508:32:015
179543899256255,1cyclictest1844388-21kworker/4:208:55:024
179543899256255,1cyclictest0-21swapper/411:26:024
179543899256255,1cyclictest0-21swapper/411:11:024
179543899256255,1cyclictest0-21swapper/407:59:014
179543899256254,1cyclictest1889503-21kworker/4:012:22:014
179543899256254,1cyclictest0-21swapper/412:04:014
179543899256254,1cyclictest0-21swapper/407:29:024
179544599255254,1cyclictest2056898-21kworker/5:209:07:025
179544599255254,1cyclictest1940657-21kworker/5:111:57:025
179544599255254,1cyclictest1904552-21kworker/5:210:48:025
179544599255253,1cyclictest2056898-21kworker/5:207:43:025
179544599255253,1cyclictest1874467-21kworker/5:109:49:025
179543899255254,1cyclictest3247006-21kworker/4:107:37:024
179543899255254,1cyclictest0-21swapper/411:38:014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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