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2025-06-13 - 06:44
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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 Jun 13, 2025 00:46:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14900912399377,14sleep100-21swapper/1019:09:142
14899122352309,15sleep00-21swapper/019:07:100
14899412350309,14sleep10-21swapper/119:07:281
14900492347325,14sleep80-21swapper/819:08:3914
14898792346322,15sleep70-21swapper/719:06:4613
14900152344322,14sleep110-21swapper/1119:08:093
14898372344322,14sleep60-21swapper/619:06:1212
14881462344329,9sleep20-21swapper/219:05:208
14898352343321,14sleep40-21swapper/419:06:0910
14898482342319,15sleep150-21swapper/1519:06:227
14898262341319,14sleep120-21swapper/1219:06:014
14899152340317,15sleep30-21swapper/319:07:139
14900902339317,14sleep90-21swapper/919:09:1215
14897962339316,15sleep50-21swapper/519:05:3811
14899352338316,14sleep140-21swapper/1419:07:256
14898042336313,15sleep130-21swapper/1319:05:465
149054199326325,1cyclictest0-21swapper/623:10:1912
149056299273271,1cyclictest1528329-21nodev-device-ev19:50:224
149056999252251,1cyclictest1699359-21nodev-device-ev23:10:186
149053199216214,1cyclictest1588173-21nodev-device-ev21:00:189
149053199215215,0cyclictest0-21swapper/320:30:199
149053499171171,0cyclictest0-21swapper/419:50:2110
149055999168167,1cyclictest1562536-21nodev-device-ev20:30:193
149055999166166,0cyclictest0-21swapper/1121:00:193
1490541991020,102cyclictest0-21swapper/620:10:1812
1490559999897,1cyclictest1656591-21nodev-device-ev22:20:193
1490521999290,1cyclictest0-21swapper/000:05:240
1490573998886,1cyclictest0-21swapper/1521:35:197
1490539998786,1cyclictest1541179-21nodev-device-ev20:05:1611
1490573998685,1cyclictest1707912-21nodev-device-ev23:20:217
1490539998584,1cyclictest1635206-21nodev-device-ev21:55:1811
1490559998180,1cyclictest1648045-21nodev-device-ev22:10:183
1490549997978,1cyclictest0-21swapper/819:25:1714
1490544997978,1cyclictest0-21swapper/719:15:0013
1490562997877,1cyclictest0-21swapper/1222:45:214
1490562997877,1cyclictest0-21swapper/1222:45:214
1490531996968,1cyclictest1532614-21nodev-device-ev19:55:209
1490534996766,1cyclictest1716448-21nodev-device-ev23:30:1810
1490565996665,1cyclictest0-21swapper/1323:50:185
1490541995958,1cyclictest1622373-21nodev-device-ev21:40:1912
1490569995251,1cyclictest0-21swapper/1421:10:206
1490555995251,1cyclictest0-21swapper/1023:45:192
1490541995150,1cyclictest1703626-21nodev-device-ev23:15:2412
1490539994544,1cyclictest1630922-21nodev-device-ev21:50:1911
1490562994441,3cyclictest1566812-21nodev-device-ev20:35:194
1490539994342,1cyclictest0-21swapper/523:25:2411
1490565994241,1cyclictest0-21swapper/1320:05:165
1490565994140,1cyclictest0-21swapper/1321:55:185
1490562993938,1cyclictest1524066-21nodev-device-ev19:45:194
1490562993938,1cyclictest1524066-21nodev-device-ev19:45:194
1490565993838,0cyclictest0-21swapper/1322:23:435
1490562993837,1cyclictest1695073-21nodev-device-ev23:05:214
1490559993737,0cyclictest0-21swapper/1121:45:213
1490565993636,0cyclictest0-21swapper/1322:08:005
1490565993535,0cyclictest0-21swapper/1321:24:405
149056599350,35cyclictest0-21swapper/1322:01:115
1490562993534,1cyclictest0-21swapper/1219:20:164
1490521993534,1cyclictest1506970-21nodev-device-ev19:25:170
149056599340,34cyclictest0-21swapper/1323:58:405
149054499340,29cyclictest1640672-21kworker/u32:1+flush-259:022:05:0413
149056599339,24cyclictest0-21swapper/1300:35:165
1490552993226,3cyclictest1750676-21kworker/u32:1+events_unbound00:20:1215
149054999322,1cyclictest0-21swapper/822:10:5514
1490539993230,1cyclictest1549734-21nodev-device-ev20:15:2111
149055299310,0cyclictest0-21swapper/921:40:4915
149055299310,0cyclictest0-21swapper/921:34:2415
149055299310,0cyclictest0-21swapper/921:22:5615
1490531993127,1cyclictest2006-21snmpd20:36:269
1490521993131,0cyclictest0-21swapper/019:20:240
1490569993029,1cyclictest1545442-21nodev-device-ev20:10:186
1490565993030,0cyclictest0-21swapper/1322:15:595
149056599300,27cyclictest0-21swapper/1323:05:095
149054199303,1cyclictest0-21swapper/620:17:5212
149052999302,27cyclictest0-21swapper/221:12:518
1490521993030,0cyclictest0-21swapper/022:35:190
1490521993030,0cyclictest0-21swapper/021:45:200
149057399292,26cyclictest0-21swapper/1522:03:177
1490565992929,0cyclictest0-21swapper/1300:26:225
1490565992916,0cyclictest0-21swapper/1321:53:445
1490559992929,0cyclictest0-21swapper/1120:48:173
149055299290,26cyclictest0-21swapper/900:30:1815
1490549992925,3cyclictest2006-21snmpd20:59:2914
149054999292,26cyclictest0-21swapper/822:47:3314
149054999292,26cyclictest0-21swapper/822:47:3214
149054999290,1cyclictest0-21swapper/819:45:0614
149054999290,1cyclictest0-21swapper/819:45:0614
149054499290,25cyclictest0-21swapper/723:58:5613
149054499290,25cyclictest0-21swapper/722:58:0813
149054499290,25cyclictest0-21swapper/722:36:2413
149054499290,25cyclictest0-21swapper/721:46:4813
149054499290,25cyclictest0-21swapper/720:49:5313
149054499290,25cyclictest0-21swapper/720:19:2913
149054499290,1cyclictest0-21swapper/720:10:2513
149054499290,1cyclictest0-21swapper/719:37:2113
149054499290,1cyclictest0-21swapper/719:37:2113
149054499290,0cyclictest0-21swapper/719:31:5313
1490521992929,0cyclictest0-21swapper/019:18:320
1490573992827,1cyclictest2006-21snmpd19:20:157
1490569992827,1cyclictest0-21swapper/1400:16:276
149056999280,27cyclictest0-21swapper/1419:17:406
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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