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2024-09-08 - 11:28
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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 Sun Sep 08, 2024 00:46:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
16691362414395,4sleep80-21swapper/819:08:0914
16692362361312,16sleep70-21swapper/719:09:2813
16690852360336,14sleep150-21swapper/1519:07:277
16691722357311,35sleep40-21swapper/419:08:3610
16691572350340,6sleep60-21swapper/619:08:2212
16691372345320,15sleep90-21swapper/919:08:1015
16691212345321,14sleep120-21swapper/1219:07:574
16692092344317,16sleep30-21swapper/319:09:089
16692172341316,15sleep110-21swapper/1119:09:173
16691922341317,14sleep50-21swapper/519:08:5311
16690372341317,14sleep100-21swapper/1019:06:502
16692252340316,14sleep130-21swapper/1319:09:185
16691892340316,14sleep20-21swapper/219:08:518
16690412340312,16sleep140-21swapper/1419:06:546
16656842339315,15sleep00-21swapper/019:05:030
16690102338315,13sleep10-21swapper/119:06:241
1669651991050,104cyclictest0-21swapper/519:15:0111
166964899102101,1cyclictest1823428-21nodedev-init22:05:1610
16696519910199,1cyclictest1939443-21nodedev-init00:20:1811
16696489910098,1cyclictest1754768-21nodedev-init20:45:1710
1669638999594,1cyclictest1750473-21nodedev-init20:40:201
166966899940,1cyclictest0-21swapper/1000:10:182
1669658999291,1cyclictest0-21swapper/722:40:1713
1669656999290,1cyclictest1948017-21nodedev-init00:30:2012
1669641999290,1cyclictest0-21swapper/219:45:158
1669678998988,1cyclictest1690444-21nodedev-init19:30:175
1669668998884,4cyclictest1913488-21nodedev-init23:50:192
1669668998684,2cyclictest1870586-21nodedev-init23:00:182
1669666998684,1cyclictest1896337-21nodedev-init23:30:1915
1669666998684,1cyclictest1896337-21nodedev-init23:30:1915
1669638998483,1cyclictest1724774-21nodedev-init20:10:181
1669638998483,1cyclictest1724774-21nodedev-init20:10:181
1669668998382,1cyclictest0-21swapper/1023:10:172
1669651997875,3cyclictest1849157-21nodedev-init22:35:1811
1669648997877,1cyclictest0-21swapper/423:35:1710
1669648997877,1cyclictest0-21swapper/423:35:1710
1669648997776,1cyclictest1819132-21nodedev-init22:00:1710
1669646997573,1cyclictest1161-21polkitd20:50:189
1669668997271,1cyclictest1832010-21nodedev-init22:15:182
1669676996665,1cyclictest1857731-21nodedev-init22:45:164
1669641996463,1cyclictest1672181-21nodedev-init19:10:178
1669678996160,1cyclictest1943744-21nodedev-init00:25:195
1669671996059,1cyclictest0-21swapper/1122:10:183
1669666995454,0cyclictest0-21swapper/920:40:2015
1669676995351,1cyclictest1844852-21nodedev-init22:30:174
1669681995150,1cyclictest1776230-21nodedev-init21:10:166
1669666994544,1cyclictest0-21swapper/920:10:1715
1669666994544,1cyclictest0-21swapper/920:10:1715
1669685994442,1cyclictest0-21swapper/1523:25:177
1669638994443,1cyclictest0-21swapper/120:35:181
166965199413,38cyclictest0-21swapper/522:50:2511
166965199403,24cyclictest0-21swapper/523:45:1811
166965199391,25cyclictest0-21swapper/523:34:2011
166965199391,25cyclictest0-21swapper/523:34:2011
166965199391,25cyclictest0-21swapper/523:23:2111
166965199391,25cyclictest0-21swapper/523:12:2311
166965199391,25cyclictest0-21swapper/522:17:2811
166965199391,25cyclictest0-21swapper/522:06:2811
166965199391,25cyclictest0-21swapper/521:44:3011
166965199391,25cyclictest0-21swapper/521:00:3411
166965199391,25cyclictest0-21swapper/520:49:3511
166965199391,25cyclictest0-21swapper/520:27:3711
166965199391,25cyclictest0-21swapper/520:16:3811
166965199391,25cyclictest0-21swapper/520:05:3911
166965199391,25cyclictest0-21swapper/520:05:3911
166965199391,25cyclictest0-21swapper/519:54:4111
166965199391,25cyclictest0-21swapper/519:43:4211
166965199391,25cyclictest0-21swapper/519:10:4411
166965199391,25cyclictest0-21swapper/500:29:1411
166965199391,25cyclictest0-21swapper/500:07:1611
166965199381,25cyclictest0-21swapper/523:56:1711
1669651993736,1cyclictest1874908-21nodedev-init23:05:1811
1669661993533,1cyclictest1952315-21nodedev-init00:35:1814
1669676993231,1cyclictest1767613-21nodedev-init21:00:194
1669636993130,1cyclictest0-21swapper/000:35:180
1669658993029,1cyclictest0-21swapper/721:05:1713
166965899300,27cyclictest0-21swapper/722:00:1613
1669676992928,1cyclictest1737624-21nodedev-init20:25:184
166967199297,22cyclictest0-21swapper/1120:28:543
1669671992923,3cyclictest0-21swapper/1120:35:153
166968599280,27cyclictest0-21swapper/1522:54:167
166968599280,27cyclictest0-21swapper/1521:35:167
166968599280,27cyclictest0-21swapper/1519:30:147
166968599280,27cyclictest0-21swapper/1500:36:157
166968199280,27cyclictest0-21swapper/1423:43:116
166968199280,27cyclictest0-21swapper/1422:58:376
1669678992827,1cyclictest2337-21snmpd21:21:495
1669678992827,1cyclictest2337-21snmpd19:23:515
166967899280,27cyclictest0-21swapper/1321:45:225
166967899280,27cyclictest0-21swapper/1319:55:575
166967899280,27cyclictest0-21swapper/1319:38:315
1669671992826,1cyclictest0-21swapper/1122:05:573
166966899280,27cyclictest0-21swapper/1023:48:452
166966899280,27cyclictest0-21swapper/1023:09:102
166966899280,27cyclictest0-21swapper/1022:37:272
1669666992827,1cyclictest2337-21snmpd21:30:4615
1669666992826,1cyclictest2337-21snmpd20:29:0715
166966699280,27cyclictest0-21swapper/923:44:0315
166966699280,27cyclictest0-21swapper/920:33:4015
1669661992826,1cyclictest2337-21snmpd20:07:4014
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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