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2025-12-02 - 23:04
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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 rackfslot7.osadl.org (updated Tue Dec 02, 2025 12:46:11)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
106921199602,19cyclictest0-21swapper/208:00:162
1069211995536,19cyclictest421ktimers/210:45:172
106921399540,15cyclictest0-21swapper/407:51:504
1069210995353,0cyclictest0-21swapper/107:20:171
1069210995316,18cyclictest873-21mta-sts-daemon08:50:171
1069211995113,19cyclictest0-21swapper/212:00:162
1069209995113,19cyclictest0-21swapper/012:25:160
1069216995011,19cyclictest0-21swapper/710:00:177
1069212995012,19cyclictest0-21swapper/307:45:163
1069210995013,18cyclictest0-21swapper/109:15:231
1069211994911,19cyclictest0-21swapper/212:35:192
1069211994911,19cyclictest0-21swapper/211:10:182
1069211994911,19cyclictest0-21swapper/209:55:162
1069214994829,19cyclictest0-21swapper/510:55:185
1069210994810,19cyclictest0-21swapper/112:25:171
1069216994710,18cyclictest0-21swapper/709:45:177
106921599477,39cyclictest0-21swapper/612:00:166
106921199478,39cyclictest0-21swapper/207:55:222
1069211994710,18cyclictest0-21swapper/210:50:172
106921399464,41cyclictest0-21swapper/408:50:204
1069211994628,18cyclictest0-21swapper/209:05:172
106921099456,39cyclictest0-21swapper/107:15:151
1069215994425,19cyclictest0-21swapper/611:15:176
106921099446,19cyclictest0-21swapper/112:15:171
1069211994223,19cyclictest0-21swapper/212:05:192
1069210994242,0cyclictest0-21swapper/111:00:191
106921199413,19cyclictest0-21swapper/209:10:192
106921199413,19cyclictest0-21swapper/209:10:192
106921699402,19cyclictest0-21swapper/708:25:157
106921199402,19cyclictest0-21swapper/212:15:172
106921199401,19cyclictest0-21swapper/208:55:202
106921199401,19cyclictest0-21swapper/208:55:192
1069209994039,1cyclictest1231095-21kworker/0:1+events12:24:580
106921499390,20cyclictest0-21swapper/507:30:325
1069213993920,1cyclictest601ktimers/411:41:024
1069213993917,22cyclictest1162584-21cut09:55:114
1069213993917,19cyclictest0-21swapper/410:09:504
1069213993915,0cyclictest0-21swapper/411:50:574
1069213993914,0cyclictest0-21swapper/408:15:144
106921399390,0cyclictest0-21swapper/410:58:104
1069209993938,1cyclictest1231095-21kworker/0:1+events12:04:460
1069209993938,1cyclictest1196362-21kworker/0:1+events10:58:090
1069209993938,1cyclictest1088526-21kworker/0:2+events07:51:500
1069213993837,0cyclictest1077983-21/usr/sbin/munin07:25:164
1069213993836,2cyclictest601ktimers/409:49:294
1069213993816,18cyclictest601ktimers/408:05:144
1069213993814,19cyclictest0-21swapper/412:26:224
1069213993814,19cyclictest0-21swapper/409:35:064
1069213993814,19cyclictest0-21swapper/409:20:064
1069213993814,0cyclictest0-21swapper/411:30:464
1069213993814,0cyclictest0-21swapper/408:47:264
106921399380,36cyclictest1251784-21cstates12:30:144
106921399380,36cyclictest0-21swapper/408:41:104
106921399380,35cyclictest0-21swapper/412:20:344
106921399380,35cyclictest0-21swapper/412:16:104
106921399380,35cyclictest0-21swapper/412:05:504
106921399380,35cyclictest0-21swapper/412:01:414
106921399380,35cyclictest0-21swapper/411:45:104
106921399380,35cyclictest0-21swapper/411:29:144
106921399380,35cyclictest0-21swapper/411:11:464
106921399380,35cyclictest0-21swapper/410:54:224
106921399380,35cyclictest0-21swapper/410:49:504
106921399380,35cyclictest0-21swapper/410:17:224
106921399380,35cyclictest0-21swapper/409:31:144
106921399380,35cyclictest0-21swapper/409:14:144
106921399380,35cyclictest0-21swapper/409:14:144
106921399380,35cyclictest0-21swapper/409:02:464
106921399380,35cyclictest0-21swapper/407:35:464
106921399380,34cyclictest0-21swapper/411:15:214
106921399380,34cyclictest0-21swapper/410:35:224
106921399380,17cyclictest0-21swapper/411:35:244
106921399380,17cyclictest0-21swapper/409:15:344
106921399380,16cyclictest1089251-21apt-get07:45:124
106921399380,15cyclictest0-21swapper/410:25:504
106921399380,15cyclictest0-21swapper/408:56:264
106921399380,15cyclictest0-21swapper/408:56:254
106921399380,15cyclictest0-21swapper/407:22:504
106921199380,19cyclictest0-21swapper/207:40:162
1069210993820,18cyclictest0-21swapper/108:00:161
106921699370,18cyclictest0-21swapper/709:50:167
106921699370,18cyclictest0-21swapper/709:00:177
1069215993719,18cyclictest0-21swapper/610:30:166
1069213993716,21cyclictest1189865-21ntpq10:40:194
1069213993715,21cyclictest1088-21runrttasks11:00:344
1069213993715,19cyclictest0-21swapper/408:26:094
1069213993715,0cyclictest0-21swapper/409:53:224
1069213993715,0cyclictest0-21swapper/409:27:024
1069213993714,19cyclictest0-21swapper/408:22:464
1069213993714,0cyclictest0-21swapper/412:35:054
1069213993714,0cyclictest0-21swapper/411:55:104
1069213993714,0cyclictest0-21swapper/407:40:054
106921399370,35cyclictest0-21swapper/410:33:134
106921399370,35cyclictest0-21swapper/410:11:294
106921399370,35cyclictest0-21swapper/409:05:144
106921399370,35cyclictest0-21swapper/408:30:384
106921399370,34cyclictest0-21swapper/412:10:064
106921399370,34cyclictest0-21swapper/411:20:144
106921399370,34cyclictest0-21swapper/408:36:134
106921399370,34cyclictest0-21swapper/408:14:104
106921399370,34cyclictest0-21swapper/407:55:224
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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