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2025-12-01 - 21:53
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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 Mon Dec 01, 2025 12:46:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39571339910931,39cyclictest4015798-21ntp_kernel_pll_08:50:214
3957133997637,19cyclictest40324652sleep409:20:194
3957133997537,38cyclictest783-21mta-sts-daemon09:40:504
3957133997537,19cyclictest4112172-21cat11:40:254
3957133997416,19cyclictest4110267-21munin-run11:40:004
3957133996930,19cyclictest0-21swapper/410:21:204
3957133996810,39cyclictest4058082-21ps10:05:244
3957133996728,19cyclictest0-21swapper/410:00:054
3957133996123,18cyclictest0-21swapper/410:11:224
395713399610,21cyclictest3993143-21sed08:10:274
395713699600,59cyclictest3998236-21awk08:20:187
3957133996021,39cyclictest0-21swapper/412:20:044
3957133996021,19cyclictest0-21swapper/407:36:254
3957133996020,20cyclictest0-21swapper/408:08:534
3957133996019,19cyclictest0-21swapper/407:18:404
3957133995920,19cyclictest0-21swapper/407:47:494
3957133995919,19cyclictest875-21mta-sts-daemon07:50:094
3957133995819,19cyclictest0-21swapper/410:34:324
3957133995819,18cyclictest0-21swapper/410:39:464
395713399580,39cyclictest1088-21runrttasks07:41:014
395713399580,39cyclictest1088-21runrttasks07:41:014
3957133995739,18cyclictest0-21swapper/412:35:244
3957133995718,19cyclictest6050ktimers/408:56:294
3957133995617,19cyclictest6050ktimers/411:05:154
3957133995616,19cyclictest601ktimers/411:19:104
3957133995613,40cyclictest3958503-21sed07:10:194
3957134995513,19cyclictest0-21swapper/511:50:205
3957134995513,19cyclictest0-21swapper/511:50:205
3957133995515,19cyclictest0-21swapper/411:24:104
3957133995413,39cyclictest0-21swapper/409:18:484
3957133995413,19cyclictest1089-21snmpd08:21:524
3957133995314,39cyclictest0-21swapper/409:37:224
3957133995314,39cyclictest0-21swapper/407:21:454
3957133995314,0cyclictest0-21swapper/409:05:154
3957133995313,19cyclictest0-21swapper/412:29:024
3957133995313,19cyclictest0-21swapper/412:01:154
3957133995313,19cyclictest0-21swapper/412:01:144
3957133995313,19cyclictest0-21swapper/410:50:024
3957133995313,19cyclictest0-21swapper/409:00:034
3957133995313,19cyclictest0-21swapper/408:40:154
3957133995313,19cyclictest0-21swapper/407:55:244
3957133995313,19cyclictest0-21swapper/407:30:004
3957133995310,19cyclictest0-21swapper/410:40:064
3957132995315,19cyclictest0-21swapper/307:45:273
3957133995231,21cyclictest0-21swapper/411:27:504
3957133995213,19cyclictest0-21swapper/411:55:024
3957133995213,19cyclictest0-21swapper/411:55:024
3957133995212,19cyclictest0-21swapper/411:30:024
3957133995212,19cyclictest0-21swapper/408:32:124
3957133995211,19cyclictest3985663-21aten2.4-expect08:00:114
3957130995214,19cyclictest0-21swapper/109:25:231
3957134995132,19cyclictest0-21swapper/511:05:175
3957133995131,20cyclictest0-21swapper/410:49:064
3957133995130,21cyclictest0-21swapper/411:49:144
3957133995112,18cyclictest0-21swapper/411:00:024
3957133995111,19cyclictest0-21swapper/410:27:544
3957133995111,19cyclictest0-21swapper/407:31:074
3957133995110,0cyclictest0-21swapper/408:38:394
3957133995031,19cyclictest0-21swapper/411:10:164
3957133995030,20cyclictest0-21swapper/409:58:184
3957133995011,19cyclictest0-21swapper/412:30:164
3957133995010,19cyclictest0-21swapper/408:17:194
395713399499,19cyclictest0-21swapper/410:15:064
3957133994929,20cyclictest0-21swapper/410:58:034
3957133994929,20cyclictest0-21swapper/409:25:194
3957133994910,19cyclictest0-21swapper/412:18:504
3957130994910,39cyclictest0-21swapper/110:05:191
395713399489,19cyclictest0-21swapper/409:50:004
395713399488,19cyclictest0-21swapper/409:54:464
3957133994810,38cyclictest0-21swapper/412:10:004
3957134994710,18cyclictest0-21swapper/511:10:165
395713399477,19cyclictest873-21mta-sts-daemon09:32:264
395713399477,19cyclictest0-21swapper/411:52:144
395713399477,19cyclictest0-21swapper/411:52:144
395713399477,19cyclictest0-21swapper/408:25:074
3957133994728,19cyclictest0-21swapper/408:46:314
3957136994627,19cyclictest0-21swapper/709:25:227
395713499468,19cyclictest0-21swapper/507:15:165
3957136994526,19cyclictest0-21swapper/708:25:167
395713099457,19cyclictest0-21swapper/111:45:171
395713099457,19cyclictest0-21swapper/110:15:161
3957136994425,19cyclictest0-21swapper/711:35:157
395713299446,19cyclictest0-21swapper/309:00:153
395713499435,19cyclictest0-21swapper/508:10:205
395713499434,39cyclictest0-21swapper/510:10:175
395713299435,19cyclictest0-21swapper/310:55:183
395713699424,19cyclictest0-21swapper/708:15:177
3957130994224,18cyclictest0-21swapper/109:00:151
395713699402,38cyclictest0-21swapper/708:55:167
395713099402,19cyclictest0-21swapper/109:10:161
395713699391,19cyclictest0-21swapper/708:00:157
395713699390,39cyclictest0-21swapper/711:00:197
3957134993914,19cyclictest0-21swapper/510:20:175
395713499390,20cyclictest0-21swapper/510:25:185
395713299390,39cyclictest0-21swapper/310:40:203
3957129993919,20cyclictest221rcuc/009:45:220
3957135993838,0cyclictest0-21swapper/608:40:186
395713299380,19cyclictest0-21swapper/308:10:203
395713099380,19cyclictest0-21swapper/112:15:171
395713099380,19cyclictest0-21swapper/108:55:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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