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2025-11-23 - 21:19
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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 rack0slot4.osadl.org (updated Sun Nov 23, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
15861062370363,5sleep140-21swapper/1419:05:086
15894432360340,12sleep50-21swapper/519:06:5211
15894992357313,16sleep150-21swapper/1519:07:347
15861152357349,5sleep00-21swapper/019:05:090
15895712352311,14sleep100-21swapper/1019:08:342
15895452352309,15sleep10-21swapper/119:08:091
15893722350311,30sleep110-21swapper/1119:05:543
15894862345322,15sleep40-21swapper/419:07:2310
15893872344321,15sleep80-21swapper/819:06:0714
15893682343320,15sleep70-21swapper/719:05:5013
15895732341318,15sleep120-21swapper/1219:08:364
15894932341319,14sleep90-21swapper/919:07:2815
15893552340316,16sleep130-21swapper/1319:05:405
15895232337315,14sleep30-21swapper/319:07:559
15894402337313,16sleep20-21swapper/219:06:498
15894082336313,15sleep60-21swapper/619:06:2112
159010899221220,1cyclictest1704842-21nodev-device-ev21:20:199
159013499197197,0cyclictest0-21swapper/1121:20:193
159011699102101,1cyclictest1773269-21nodev-device-ev22:40:1812
159011699102101,1cyclictest1773269-21nodev-device-ev22:40:1812
159010099101100,1cyclictest1807487-21nodev-device-ev23:20:190
1590124999796,1cyclictest0-21swapper/823:20:1914
1590134999695,1cyclictest1721936-21nodev-device-ev21:40:193
1590104999190,1cyclictest0-21swapper/119:10:201
1590134999089,1cyclictest1777556-21nodev-device-ev22:45:183
1590119999089,1cyclictest0-21swapper/722:50:2013
1590119998987,1cyclictest1595249-21nodev-device-ev19:15:0013
1590134998887,1cyclictest1811778-21nodev-device-ev23:25:203
1590100998887,1cyclictest1739030-21nodev-device-ev22:00:180
1590119998785,2cyclictest1751860-21nodev-device-ev22:15:1813
1590116998784,3cyclictest0-21swapper/620:10:1912
1590109998685,1cyclictest1679167-21nodev-device-ev20:50:1910
1590124998584,1cyclictest0-21swapper/822:00:1814
1590119998584,1cyclictest0-21swapper/723:15:1813
1590136997978,1cyclictest1619338-21nodev-device-ev19:40:204
1590136997978,1cyclictest1619338-21nodev-device-ev19:40:204
1590129997978,1cyclictest0-21swapper/1023:10:182
1590146997776,1cyclictest1794678-21nodev-device-ev23:05:177
1590116997776,1cyclictest1730483-21nodev-device-ev21:50:1912
1590129997675,1cyclictest0-21swapper/1023:30:182
1590126997473,1cyclictest1592577-21nodev-device-ev19:10:2015
1590108997473,1cyclictest1726197-21nodev-device-ev21:45:199
1590144996865,3cyclictest1867545-21nodev-device-ev00:30:186
1590119996766,1cyclictest1845976-21nodev-device-ev00:05:1713
1590100996665,1cyclictest1649262-21nodev-device-ev20:15:200
1590139996463,1cyclictest0-21swapper/1320:25:215
1590129996463,1cyclictest0-21swapper/1000:35:192
1590107996362,1cyclictest0-21swapper/223:55:208
1590124996261,1cyclictest0-21swapper/820:15:2014
1590109995857,1cyclictest0-21swapper/419:45:1810
1590146995453,1cyclictest0-21swapper/1522:30:197
1590144995453,1cyclictest0-21swapper/1422:40:186
1590144995453,1cyclictest0-21swapper/1422:40:186
1590114995453,1cyclictest1657810-21nodev-device-ev20:25:2111
1590134995150,1cyclictest0-21swapper/1121:45:193
1590107994847,1cyclictest1610790-21nodev-device-ev19:30:208
1590107994847,1cyclictest1610790-21nodev-device-ev19:30:208
1590109994544,1cyclictest0-21swapper/421:00:1910
1590136994241,1cyclictest0-21swapper/1220:50:194
1590144993936,3cyclictest1645001-21nodev-device-ev20:10:196
159012999380,25cyclictest0-21swapper/1022:36:572
159012999380,25cyclictest0-21swapper/1022:36:572
159012999380,25cyclictest0-21swapper/1020:03:112
159012999340,9cyclictest0-21swapper/1022:14:592
159012999340,9cyclictest0-21swapper/1019:30:142
159012999340,9cyclictest0-21swapper/1019:30:142
1590107993429,2cyclictest0-21swapper/222:45:228
1590100993433,1cyclictest1709129-21nodev-device-ev21:25:200
159012999330,8cyclictest0-21swapper/1022:25:582
159012999330,8cyclictest0-21swapper/1021:31:032
159012999330,8cyclictest0-21swapper/1019:52:122
1590107993330,3cyclictest1599353-21kworker/2:0-events20:05:228
159010799331,29cyclictest1731823-21kworker/2:1-mm_percpu_wq22:56:488
1590107993230,2cyclictest0-21swapper/200:35:158
1590107993230,0cyclictest0-21swapper/220:00:208
1590107993228,2cyclictest1824932-21ntpq23:40:228
159010799320,29cyclictest0-21swapper/219:35:268
159010799320,29cyclictest0-21swapper/219:35:268
159010799313,27cyclictest0-21swapper/222:30:188
1590107993130,1cyclictest1772874-21basename22:40:168
1590107993130,1cyclictest1772874-21basename22:40:168
1590107993129,2cyclictest0-21swapper/223:05:148
1590107993129,2cyclictest0-21swapper/219:25:168
1590107993129,0cyclictest0-21swapper/221:30:208
159010799310,29cyclictest0-21swapper/219:10:248
1590136993030,0cyclictest0-21swapper/1222:35:164
1590136993030,0cyclictest0-21swapper/1222:35:164
1590124993029,1cyclictest0-21swapper/821:25:2014
1590108993029,1cyclictest0-21swapper/320:05:199
1590107993028,2cyclictest0-21swapper/223:30:268
1590107993028,2cyclictest0-21swapper/219:15:148
1590107993026,2cyclictest1731823-21kworker/2:1-md22:35:168
1590107993026,2cyclictest1731823-21kworker/2:1-md22:35:168
159010799300,27cyclictest1800571-21kworker/2:2-mm_percpu_wq23:35:148
159010799300,27cyclictest1731823-21kworker/2:1+mm_percpu_wq22:15:168
159010799300,27cyclictest1599353-21kworker/2:0+mm_percpu_wq21:15:168
159010799300,27cyclictest0-21swapper/222:26:468
159010799300,27cyclictest0-21swapper/221:10:148
1590146992927,2cyclictest0-21swapper/1520:22:027
1590146992925,3cyclictest2045-21snmpd22:46:127
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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