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2025-11-07 - 21:43
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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 Fri Nov 07, 2025 00:46:58)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8470802391369,14sleep80-21swapper/819:06:0714
8472922389367,14sleep30-21swapper/319:08:599
8473382382360,14sleep130-21swapper/1319:09:425
8470772379356,15sleep50-21swapper/519:06:0311
8471102362318,15sleep20-21swapper/219:06:338
8472252359316,14sleep120-21swapper/1219:08:044
8472202359315,15sleep70-21swapper/719:07:5813
8471132357314,14sleep40-21swapper/419:06:3510
8473402355308,14sleep150-21swapper/1519:09:437
8472752355312,34sleep90-21swapper/919:08:4915
8471952352329,15sleep60-21swapper/619:07:4112
8473592340317,15sleep110-21swapper/1119:09:563
8473432339316,15sleep10-21swapper/119:09:451
8472402339317,14sleep100-21swapper/1019:08:172
8471652338315,15sleep140-21swapper/1419:07:176
84778199336335,1cyclictest1034971-21nodev-device-ev22:45:2010
8471682335299,13sleep00-21swapper/019:07:200
847794992990,298cyclictest1034938-21daemon-init22:45:2014
84779699222221,1cyclictest1056322-21nodev-device-ev23:10:1915
84780699213212,1cyclictest0-21swapper/1223:00:174
84780699211211,0cyclictest0-21swapper/1222:45:204
84777199180180,0cyclictest0-21swapper/123:10:181
84778199136135,1cyclictest1047760-21nodev-device-ev23:00:1710
847806998786,1cyclictest0-21swapper/1200:05:184
847806998786,1cyclictest0-21swapper/1200:05:184
847804998281,1cyclictest0-21swapper/1123:30:183
847771998180,1cyclictest0-21swapper/100:00:221
847771998180,1cyclictest0-21swapper/100:00:221
847787997675,1cyclictest0-21swapper/620:15:2112
847794997473,1cyclictest949589-21nodev-device-ev21:05:1714
847796996766,1cyclictest0-21swapper/923:20:1915
847813996664,1cyclictest906879-21nodev-device-ev20:15:216
847787996362,1cyclictest979464-21nodev-device-ev21:40:1912
847800996160,1cyclictest0-21swapper/1019:45:182
847790996058,1cyclictest0-21swapper/721:35:1513
847779995554,1cyclictest0-21swapper/323:15:199
84780699540,53cyclictest1064828-21daemon-init23:20:194
847790995452,1cyclictest0-21swapper/719:10:1813
847813995352,1cyclictest0-21swapper/1421:40:196
847796995352,1cyclictest1009353-21nodev-device-ev22:15:1815
847787995251,1cyclictest0-21swapper/619:50:1912
847779995251,1cyclictest0-21swapper/321:50:189
847787995149,1cyclictest894029-21daemon-init20:00:1912
847806994746,1cyclictest0-21swapper/1223:55:194
847781994645,1cyclictest0-21swapper/423:05:1810
847781994645,1cyclictest0-21swapper/419:20:1910
84778799450,44cyclictest949557-21daemon-init21:05:1612
847813994140,1cyclictest885526-21nodev-device-ev19:50:196
847813994139,1cyclictest894061-21nodev-device-ev20:00:196
847804994039,1cyclictest983736-21nodev-device-ev21:45:213
847774993938,1cyclictest1090470-21nodev-device-ev23:50:188
847779993433,1cyclictest1111842-21nodev-device-ev00:15:229
847790993332,1cyclictest0-21swapper/719:14:5913
847771993324,9cyclictest855415-21mii-tool19:15:131
84777499313,27cyclictest0-21swapper/220:13:558
847806993025,1cyclictest1107275-21ethtool00:10:174
847806993025,1cyclictest1107275-21ethtool00:10:174
84780699300,27cyclictest0-21swapper/1220:30:194
847784993030,0cyclictest0-21swapper/500:05:2211
847784993030,0cyclictest0-21swapper/500:05:2211
847779993014,11cyclictest0-21swapper/319:45:169
847769993023,4cyclictest0-21swapper/023:30:150
847806992924,5cyclictest0-21swapper/1220:25:184
84779099295,11cyclictest0-21swapper/722:54:0013
84779099295,11cyclictest0-21swapper/721:48:0513
84779099295,11cyclictest0-21swapper/700:32:5113
84779099294,0cyclictest0-21swapper/721:59:0513
847784992929,0cyclictest1040848-21kworker/5:0-events00:37:2311
847779992926,3cyclictest3939865-21snmpd19:40:369
84781699280,27cyclictest0-21swapper/1521:54:127
847813992826,1cyclictest794595-21kworker/14:2+events21:15:176
84781399280,27cyclictest0-21swapper/1419:45:296
847810992827,1cyclictest3939865-21snmpd22:43:415
84780699280,27cyclictest0-21swapper/1221:55:514
84780699280,27cyclictest0-21swapper/1221:36:304
84780699280,27cyclictest0-21swapper/1220:49:234
847804992827,1cyclictest0-21swapper/1122:59:143
84780499280,27cyclictest0-21swapper/1122:16:433
84780499280,27cyclictest0-21swapper/1120:04:163
84780499280,1cyclictest0-21swapper/1120:23:403
84780099280,27cyclictest0-21swapper/1020:40:442
847796992827,1cyclictest3939865-21snmpd21:03:5315
847796992827,1cyclictest3939865-21snmpd21:03:5315
84779099284,11cyclictest0-21swapper/720:42:1213
847790992827,1cyclictest0-21swapper/722:19:3513
84779099280,1cyclictest0-21swapper/719:29:3713
847787992827,1cyclictest3939865-21snmpd22:27:2912
847787992827,1cyclictest3939865-21snmpd19:58:2912
847787992827,1cyclictest0-21swapper/620:08:1212
84778799280,27cyclictest0-21swapper/619:27:5512
84778199280,26cyclictest0-21swapper/400:05:1610
84778199280,26cyclictest0-21swapper/400:05:1610
84777999280,27cyclictest0-21swapper/322:37:149
84777999280,27cyclictest0-21swapper/322:01:439
84777199280,27cyclictest0-21swapper/122:10:331
847769992827,1cyclictest3939865-21snmpd23:03:530
847769992827,1cyclictest3939865-21snmpd19:49:050
84776999280,27cyclictest0-21swapper/023:45:570
84776999280,27cyclictest0-21swapper/022:25:180
84776999280,1cyclictest0-21swapper/023:42:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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