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2025-11-29 - 22:00
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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 Sat Nov 29, 2025 00:46:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10281892391368,15sleep20-21swapper/219:07:198
10283342384362,14sleep60-21swapper/619:09:1612
10282292363340,15sleep140-21swapper/1419:07:486
10248222354313,33sleep10-21swapper/119:05:101
10247222348324,15sleep90-21swapper/919:05:0015
10282632345323,14sleep130-21swapper/1319:08:185
10282482344321,15sleep150-21swapper/1519:08:057
10282382344321,15sleep50-21swapper/519:07:5511
10280982340317,15sleep70-21swapper/719:06:0413
10283832339315,15sleep120-21swapper/1219:09:544
10283322339317,14sleep40-21swapper/419:09:1310
10282602339318,13sleep100-21swapper/1019:08:162
10282532339331,5sleep30-21swapper/319:08:099
10282502339316,15sleep00-21swapper/019:08:060
10283642337315,14sleep110-21swapper/1119:09:373
10281162336315,13sleep80-21swapper/819:06:2114
102882299305304,1cyclictest1246151-21nodev-device-ev23:20:1912
102881899305304,1cyclictest1143553-21nodev-device-ev21:20:1711
102884899288286,1cyclictest1058041-21nodev-device-ev19:40:156
102884899288286,1cyclictest1058041-21nodev-device-ev19:40:156
102884899277277,0cyclictest0-21swapper/1423:20:196
102884599176174,1cyclictest1079421-21nodev-device-ev20:05:175
102884599168168,0cyclictest0-21swapper/1321:20:175
102882299113113,0cyclictest0-21swapper/619:40:1512
102882299113113,0cyclictest0-21swapper/619:40:1512
102881899110110,0cyclictest0-21swapper/520:05:1711
102884599105104,1cyclictest1258984-21nodev-device-ev23:35:195
1028845999896,1cyclictest1113617-21nodev-device-ev20:45:185
1028826999897,1cyclictest0-21swapper/720:00:1713
1028828999794,3cyclictest1049493-21nodev-device-ev19:30:1814
1028813999594,1cyclictest1241887-21nodev-device-ev23:15:179
1028852999189,1cyclictest1075136-21nodev-device-ev20:00:177
1028845998584,1cyclictest1177744-21nodev-device-ev22:00:185
1028809997978,1cyclictest0-21swapper/223:55:178
1028813997574,1cyclictest1310283-21nodev-device-ev00:35:189
1028836997473,1cyclictest1293184-21nodev-device-ev00:15:182
1028803997069,1cyclictest0-21swapper/020:25:180
1028813996665,1cyclictest1040949-21nodev-device-ev19:20:189
1028809996665,1cyclictest1117876-21nodev-device-ev20:50:188
1028828996362,1cyclictest1164921-21nodev-device-ev21:45:1714
1028818995856,1cyclictest0-21swapper/522:15:1711
1028803995857,1cyclictest0-21swapper/000:10:180
1028818995655,1cyclictest1126422-21nodev-device-ev21:00:1711
1028806995554,1cyclictest1280346-21nodev-device-ev00:00:181
1028842995453,1cyclictest0-21swapper/1220:35:204
102883299520,51cyclictest1079389-21daemon-init20:05:1615
1028803995150,1cyclictest0-21swapper/000:05:170
1028806994746,1cyclictest0-21swapper/123:30:171
1028809994544,1cyclictest1182026-21nodev-device-ev22:05:178
1028828994241,1cyclictest1186319-21nodev-device-ev22:10:1914
1028818994140,1cyclictest0-21swapper/523:35:1911
1028816994039,1cyclictest1105070-21nodev-device-ev20:35:2010
1028806993535,0cyclictest0-21swapper/100:30:271
1028845993434,0cyclictest0-21swapper/1321:32:535
1028845993434,0cyclictest0-21swapper/1320:50:215
1028845993333,0cyclictest0-21swapper/1323:20:215
1028818993332,1cyclictest0-21swapper/520:45:1911
1028845993232,0cyclictest0-21swapper/1320:43:385
1028845993232,0cyclictest0-21swapper/1320:12:035
1028809993232,0cyclictest0-21swapper/200:30:278
1028845993131,0cyclictest0-21swapper/1322:39:555
102883899316,25cyclictest0-21swapper/1121:06:173
1028809993131,0cyclictest0-21swapper/222:50:218
1028809993131,0cyclictest0-21swapper/222:50:218
1028806993131,0cyclictest0-21swapper/121:32:531
1028806993130,1cyclictest1062337-21kworker/1:2-events20:50:211
1028845993030,0cyclictest0-21swapper/1319:59:005
1028845993029,1cyclictest141-21ksoftirqd/1300:07:395
102883899306,13cyclictest0-21swapper/1123:40:033
1028828993021,3cyclictest0-21swapper/800:15:1614
1028806993030,0cyclictest0-21swapper/122:50:211
1028806993030,0cyclictest0-21swapper/122:50:211
1028806993030,0cyclictest0-21swapper/100:35:071
1028845992929,0cyclictest0-21swapper/1323:32:055
1028813992926,3cyclictest1194556-21ethtool22:20:169
1028813992925,4cyclictest2055-21snmpd00:11:079
1028809992929,0cyclictest0-21swapper/220:00:218
1028806992929,0cyclictest0-21swapper/123:20:211
1028806992929,0cyclictest0-21swapper/120:17:251
1028806992927,2cyclictest1251651-21kworker/u32:3+flush-259:023:35:201
1028848992827,1cyclictest2055-21snmpd19:36:356
1028848992827,1cyclictest2055-21snmpd19:36:356
102884899280,27cyclictest0-21swapper/1423:15:516
102884899280,27cyclictest0-21swapper/1423:14:336
1028845992828,0cyclictest0-21swapper/1322:55:075
1028845992827,1cyclictest0-21swapper/1300:26:465
1028842992827,1cyclictest2055-21snmpd22:32:354
102884299280,27cyclictest0-21swapper/1222:29:444
1028838992823,3cyclictest0-21swapper/1100:00:163
102883899280,5cyclictest0-21swapper/1122:00:163
102883899280,27cyclictest0-21swapper/1121:50:163
102883899280,27cyclictest0-21swapper/1120:35:523
1028836992827,1cyclictest1109052-21mii-tool20:40:152
102883699280,27cyclictest0-21swapper/1019:54:482
102883699280,27cyclictest0-21swapper/1000:08:222
102883699280,27cyclictest0-21swapper/1000:02:042
102883299280,27cyclictest0-21swapper/919:19:2215
102882899280,27cyclictest0-21swapper/821:33:1214
1028826992827,1cyclictest2055-21snmpd20:20:5213
102882699280,27cyclictest0-21swapper/721:22:0013
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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