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2025-11-18 - 19:30
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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 Tue Nov 18, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9415292362318,16sleep140-21swapper/1419:06:496
9415752359315,14sleep110-21swapper/1119:07:183
9414802359317,14sleep30-21swapper/319:06:219
9417152356348,5sleep100-21swapper/1019:09:102
9416402356314,14sleep120-21swapper/1219:08:064
9417062355313,34sleep20-21swapper/219:09:028
9417312354310,14sleep60-21swapper/619:09:2212
9415312353310,34sleep150-21swapper/1519:06:507
9417352351338,8sleep70-21swapper/719:09:2313
9415082351308,15sleep10-21swapper/119:06:351
9416182348326,14sleep80-21swapper/819:07:4714
9414502345322,15sleep90-21swapper/919:05:5415
9381842341319,14sleep130-21swapper/1319:05:105
9415662340318,14sleep40-21swapper/419:07:1010
9417222339316,15sleep00-21swapper/019:09:150
9414642336314,14sleep50-21swapper/519:06:0611
94218199265264,1cyclictest1168075-21nodev-device-ev23:30:185
94215599248248,0cyclictest0-21swapper/523:30:1811
94214599162162,0cyclictest0-21swapper/221:45:178
94217299136135,1cyclictest1078292-21nodev-device-ev21:45:172
942175991300,129cyclictest1168044-21daemon-init23:30:173
942170999796,1cyclictest0-21swapper/922:00:1815
942172999594,1cyclictest1001360-21nodev-device-ev20:15:192
942185999291,1cyclictest0-21swapper/1421:20:196
942140998887,1cyclictest0-21swapper/021:10:210
942181998786,1cyclictest1031266-21nodev-device-ev20:50:205
942140998786,1cyclictest1061201-21nodev-device-ev21:25:220
942155998584,1cyclictest1039814-21nodev-device-ev21:00:2011
942165997978,1cyclictest1086843-21nodev-device-ev21:55:2014
942142997877,1cyclictest1091100-21nodev-device-ev22:00:181
942187997573,1cyclictest0-21swapper/1522:30:207
942170997573,2cyclictest1198008-21nodev-device-ev00:05:1815
942165997574,1cyclictest0-21swapper/823:15:1914
942165997473,1cyclictest1206556-21nodev-device-ev00:15:1914
942178997170,1cyclictest0-21swapper/1223:00:184
942178997170,1cyclictest0-21swapper/1223:00:184
942140997170,1cyclictest0-21swapper/019:14:590
942155997069,1cyclictest0-21swapper/520:50:2011
942175996362,1cyclictest1138128-21nodev-device-ev22:55:203
942160995958,1cyclictest1056937-21nodev-device-ev21:20:1912
942181995757,0cyclictest1150984-21nodev-device-ev23:10:185
942181995757,0cyclictest1150984-21nodev-device-ev23:10:185
94217299566,25cyclictest0-21swapper/1000:21:432
942142995655,1cyclictest0-21swapper/100:05:181
942178995352,1cyclictest1189428-21nodev-device-ev23:55:194
942152995049,1cyclictest1142413-21nodev-device-ev23:00:1910
942152995049,1cyclictest1142413-21nodev-device-ev23:00:1810
942145994948,1cyclictest1129597-21nodev-device-ev22:45:228
942170994443,1cyclictest1159530-21nodev-device-ev23:20:1915
942162994342,1cyclictest0-21swapper/721:50:2113
942170994240,1cyclictest0-21swapper/922:15:2115
942155994241,1cyclictest0-21swapper/523:10:1811
942155994241,1cyclictest0-21swapper/523:10:1811
942145994140,1cyclictest951671-21kworker/u32:0+events_unbound19:20:218
942165994039,1cyclictest1074038-21nodev-device-ev21:40:1914
942145994039,1cyclictest1023938-21kworker/u32:4+events_unbound21:55:218
942187993938,1cyclictest0-21swapper/1500:20:187
942185993938,1cyclictest0-21swapper/1420:10:206
942175993837,1cyclictest0-21swapper/1122:35:203
94217299360,11cyclictest0-21swapper/1019:14:112
942187993327,5cyclictest996769-21mii-tool20:10:187
942178993333,0cyclictest0-21swapper/1222:51:224
942152993332,1cyclictest0-21swapper/423:55:1910
94217299328,11cyclictest0-21swapper/1019:25:102
942170993232,0cyclictest0-21swapper/900:24:3715
942170993131,0cyclictest0-21swapper/921:49:3215
942165993130,1cyclictest0-21swapper/819:55:2114
942165993130,1cyclictest0-21swapper/819:55:2114
94214599311,29cyclictest1009923-21kworker/2:0-events21:05:188
94217299306,11cyclictest0-21swapper/1021:36:572
942172993017,13cyclictest0-21swapper/1022:09:552
942170993030,0cyclictest0-21swapper/921:57:1615
942145993030,0cyclictest0-21swapper/223:05:258
942145993030,0cyclictest0-21swapper/223:05:258
942145993026,2cyclictest201rcu_preempt19:11:218
942187992923,3cyclictest0-21swapper/1519:10:187
942181992928,1cyclictest0-21swapper/1320:20:195
94217099294,25cyclictest0-21swapper/923:32:2115
94216099290,27cyclictest0-21swapper/619:58:4012
94216099290,27cyclictest0-21swapper/619:58:4012
942145992926,2cyclictest201rcu_preempt22:37:208
94214599290,26cyclictest0-21swapper/223:35:128
942187992827,1cyclictest0-21swapper/1520:29:477
94218799280,27cyclictest0-21swapper/1500:39:517
942185992827,1cyclictest2045-21snmpd19:57:016
942185992827,1cyclictest2045-21snmpd19:57:006
94217899280,27cyclictest0-21swapper/1223:13:014
94217899280,27cyclictest0-21swapper/1223:13:004
94217899280,27cyclictest0-21swapper/1222:32:484
94217599280,27cyclictest0-21swapper/1121:30:103
94217599280,27cyclictest0-21swapper/1120:22:563
942170992827,1cyclictest0-21swapper/920:31:2315
94217099280,27cyclictest0-21swapper/919:48:3115
94216599280,27cyclictest0-21swapper/819:54:1314
94216599280,27cyclictest0-21swapper/819:54:1314
94216299280,27cyclictest0-21swapper/720:33:0513
942160992827,1cyclictest0-21swapper/622:28:0212
942155992827,1cyclictest2045-21snmpd20:58:3911
94215599280,27cyclictest0-21swapper/522:40:1911
94215599280,27cyclictest0-21swapper/521:13:3011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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