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2025-11-24 - 09:26
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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 Mon Nov 24, 2025 00:46:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16524622367322,14sleep110-21swapper/1119:06:303
16527152356312,15sleep60-21swapper/619:09:5512
16526262356314,14sleep10-21swapper/119:08:451
16524342353309,14sleep90-21swapper/919:06:1215
16526852351310,15sleep00-21swapper/019:09:330
16491252347326,13sleep80-21swapper/819:05:0614
16525372344321,15sleep70-21swapper/719:07:3113
16527142342318,16sleep50-21swapper/519:09:5411
16525752341318,15sleep40-21swapper/419:08:0010
16526462340317,15sleep150-21swapper/1519:08:597
16524702340317,15sleep20-21swapper/219:06:378
16524652340317,15sleep140-21swapper/1419:06:336
16525432339317,14sleep130-21swapper/1319:07:375
16524392338316,14sleep120-21swapper/1219:06:154
16525202337314,15sleep100-21swapper/1019:07:182
16524712336312,15sleep30-21swapper/319:06:389
165314899105104,1cyclictest1725101-21nodev-device-ev20:30:176
1653128999897,1cyclictest1729391-21nodev-device-ev20:35:1914
1653143999493,1cyclictest1673829-21nodev-device-ev19:30:195
1653138999493,1cyclictest0-21swapper/1119:20:193
1653110999392,1cyclictest0-21swapper/323:25:199
1653128998988,1cyclictest0-21swapper/822:50:1914
1653143998483,1cyclictest1840536-21nodev-device-ev22:45:165
1653143998382,1cyclictest0-21swapper/1321:25:195
1653138998382,1cyclictest1699449-21nodev-device-ev20:00:193
1653130998382,1cyclictest0-21swapper/922:05:1615
1653138998079,1cyclictest0-21swapper/1121:55:183
1653120997978,1cyclictest1716560-21nodev-device-ev20:20:2012
1653113997877,1cyclictest0-21swapper/421:20:1810
1653138997675,1cyclictest1793515-21nodev-device-ev21:50:183
1653138997675,1cyclictest1793515-21nodev-device-ev21:50:183
1653108997574,1cyclictest0-21swapper/223:30:188
1653118997473,1cyclictest1703753-21nodev-device-ev20:05:1811
1653110997473,1cyclictest0-21swapper/319:50:199
1653128997271,1cyclictest1917674-21nodev-device-ev00:15:2114
1653113997271,1cyclictest0-21swapper/420:50:1810
165310399720,71cyclictest1891967-21daemon-init23:45:171
1653103997169,1cyclictest1806348-21nodev-device-ev22:05:161
1653150996968,1cyclictest0-21swapper/1521:45:187
1653150996968,1cyclictest0-21swapper/1521:45:187
1653140996564,1cyclictest0-21swapper/1219:40:204
1653123996160,1cyclictest1823447-21nodev-device-ev22:25:2013
1653108996057,3cyclictest0-21swapper/220:10:198
1653143995958,1cyclictest1870644-21nodev-device-ev23:20:225
1653133995857,1cyclictest1879193-21nodev-device-ev23:30:182
1653118995857,1cyclictest1913387-21nodev-device-ev00:10:2211
1653100995756,1cyclictest1891999-21nodev-device-ev23:45:170
1653100995755,1cyclictest0-21swapper/020:35:190
1653130994948,1cyclictest0-21swapper/921:05:1915
1653100994645,1cyclictest1844801-21nodev-device-ev22:50:180
1653133994340,3cyclictest1708015-21nodev-device-ev20:10:192
1653118994241,1cyclictest0-21swapper/523:10:1911
1653138994140,1cyclictest1678087-21nodev-device-ev19:35:183
1653140993938,1cyclictest1767873-21nodev-device-ev21:20:184
1653143993735,2cyclictest0-21swapper/1319:10:205
1653103993635,1cyclictest1755032-21nodev-device-ev21:05:191
1653120993433,1cyclictest0-21swapper/622:00:1912
1653140993332,1cyclictest1742198-21nodev-device-ev20:50:184
1653120993333,0cyclictest0-21swapper/600:37:0812
1653140993232,0cyclictest1603137-21kworker/12:0+events20:33:504
1653140993232,0cyclictest0-21swapper/1223:07:264
165313099310,27cyclictest0-21swapper/923:51:4115
1653113993126,4cyclictest1831992-21nodev-device-ev22:35:1910
1653138993029,1cyclictest1874903-21nodev-device-ev23:25:193
1653130993025,5cyclictest2045-21snmpd20:33:1415
1653120993030,0cyclictest0-21swapper/622:57:2412
1653120993030,0cyclictest0-21swapper/619:41:3812
165311899300,29cyclictest0-21swapper/521:35:1611
165311399300,27cyclictest0-21swapper/420:49:5910
1653100993029,1cyclictest0-21swapper/000:15:210
165315099290,28cyclictest0-21swapper/1520:05:167
1653130992925,1cyclictest2045-21snmpd19:29:1815
165313099290,26cyclictest0-21swapper/922:36:4715
1653123992927,1cyclictest2045-21snmpd21:33:4213
1653113992925,1cyclictest2045-21snmpd00:20:5010
165310099290,26cyclictest0-21swapper/023:15:140
165315099280,27cyclictest0-21swapper/1523:32:557
165315099280,27cyclictest0-21swapper/1519:26:037
165315099280,27cyclictest0-21swapper/1519:24:067
1653140992828,0cyclictest0-21swapper/1221:31:004
1653140992825,3cyclictest0-21swapper/1220:08:144
1653140992822,3cyclictest0-21swapper/1223:58:384
1653133992827,1cyclictest1814911-21kworker/10:1+events23:05:162
1653133992827,1cyclictest1679726-21kworker/10:2+events20:35:202
1653133992826,1cyclictest1763599-21kworker/10:0+events21:39:182
1653130992825,3cyclictest2045-21snmpd21:15:3915
1653130992825,1cyclictest2045-21snmpd22:26:0215
1653130992825,1cyclictest2045-21snmpd22:19:2015
165313099280,27cyclictest0-21swapper/922:20:1615
165313099280,27cyclictest0-21swapper/922:10:1715
1653128992827,1cyclictest2045-21snmpd20:27:3414
1653128992826,1cyclictest2045-21snmpd22:27:1414
165312899280,27cyclictest0-21swapper/820:18:3414
165312399280,27cyclictest0-21swapper/721:51:1913
165312399280,27cyclictest0-21swapper/721:51:1913
165312399280,27cyclictest0-21swapper/721:35:3013
1653120992828,0cyclictest0-21swapper/620:18:5212
1653120992825,3cyclictest0-21swapper/623:58:3812
165312099280,27cyclictest0-21swapper/619:35:1512
165311899280,27cyclictest0-21swapper/522:35:5311
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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