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2025-07-07 - 02:18
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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 rack0slot4.osadl.org (updated Mon Jul 07, 2025 00:46:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9692392357313,14sleep140-21swapper/1419:09:576
9692392357313,14sleep140-21swapper/1419:09:576
9691612356313,15sleep150-21swapper/1519:08:547
9691612356313,15sleep150-21swapper/1519:08:547
9692372355312,14sleep120-21swapper/1219:09:554
9692372355312,14sleep120-21swapper/1219:09:554
9689682353331,14sleep100-21swapper/1019:06:242
9689682353331,14sleep100-21swapper/1019:06:242
9689492350328,14sleep80-21swapper/819:06:0614
9689492350328,14sleep80-21swapper/819:06:0614
9691242342319,15sleep40-21swapper/419:08:2810
9691242342319,15sleep40-21swapper/419:08:2710
9690132342319,15sleep90-21swapper/919:06:5515
9690132342319,15sleep90-21swapper/919:06:5515
9691852340316,16sleep50-21swapper/519:09:1611
9691852340316,16sleep50-21swapper/519:09:1611
9691232339316,15sleep30-21swapper/319:08:269
9691232339316,15sleep30-21swapper/319:08:269
9690242339314,16sleep10-21swapper/119:07:031
9690242339314,16sleep10-21swapper/119:07:031
9690612338316,15sleep110-21swapper/1119:07:293
9690612338316,15sleep110-21swapper/1119:07:293
9689642338315,15sleep60-21swapper/619:06:2012
9689642338315,15sleep60-21swapper/619:06:2012
9691822337313,15sleep20-21swapper/219:09:138
9691822337313,15sleep20-21swapper/219:09:138
9690992337316,14sleep130-21swapper/1319:08:045
9690992337316,14sleep130-21swapper/1319:08:045
9690042336313,15sleep00-21swapper/019:06:460
9690042336313,15sleep00-21swapper/019:06:460
9689482336313,15sleep70-21swapper/719:06:0513
9689482336313,15sleep70-21swapper/719:06:0513
96968599103100,3cyclictest0-21swapper/822:35:1914
969708991000,99cyclictest0-21swapper/1519:10:197
969708991000,99cyclictest0-21swapper/1519:10:197
969695999897,1cyclictest1015986-21nodev-device-ev20:00:193
96967299980,98cyclictest0-21swapper/422:20:1910
96967299980,98cyclictest0-21swapper/422:20:1910
96968099950,95cyclictest0-21swapper/622:55:1912
969682998987,1cyclictest1212807-21nodev-device-ev23:50:1913
969680998784,3cyclictest0-21swapper/622:40:1812
969672998382,1cyclictest1050180-21nodev-device-ev20:40:2210
969698998280,1cyclictest1204084-21nodev-device-ev23:40:194
969685997978,1cyclictest0-21swapper/821:25:2014
969670997877,1cyclictest0-21swapper/320:00:199
969708997776,1cyclictest1028821-21nodev-device-ev20:15:187
969698997675,1cyclictest1217070-21nodev-device-ev23:55:214
969702997372,1cyclictest1178439-21nodev-device-ev23:10:175
969665996665,1cyclictest1063012-21nodev-device-ev20:55:198
969692996462,1cyclictest0-21swapper/1020:55:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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