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2025-07-12 - 12:59
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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 rack4slot6.osadl.org (updated Sat Jul 12, 2025 00:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
30311521220,113pltrace0-21swapper/119:10:011
17710521130,2pltrace0-21swapper/521:36:195
3031152940,86pltrace0-21swapper/519:08:245
2816227460,10sleep60-21swapper/619:05:036
2328352730,2pltrace0-21swapper/521:46:195
2816726854,10sleep20-21swapper/219:05:072
3057426450,10sleep30-21swapper/319:09:573
3049226349,10sleep70-21swapper/719:08:497
3032426046,10sleep00-21swapper/019:06:250
3022925743,10sleep40-21swapper/419:05:254
719052310,0pltrace0-21swapper/719:25:167
2219252290,0pltrace0-21swapper/720:50:187
440052270,6pltrace78-21ksoftirqd/719:16:597
3074599230,12cyclictest0-21swapper/119:57:241
2714752220,0pltrace0-21swapper/722:52:297
2993352210,1pltrace78-21ksoftirqd/722:56:197
314652200,0pltrace0-21swapper/723:10:167
30751991917,1cyclictest0-21swapper/221:16:052
3075599180,16cyclictest1331-21latency_hist19:15:013
1537852180,12pltrace15407-21chrt00:26:386
1429152180,9pltrace0-21swapper/723:30:127
1043052180,0pltrace0-21swapper/722:24:197
423352170,3pltrace0-21swapper/700:06:367
378252170,12pltrace0-21swapper/121:12:411
30768991712,2cyclictest0-21swapper/623:30:006
3076899171,15cyclictest0-21swapper/620:08:306
30763991711,5cyclictest0-21swapper/519:33:535
3076399171,15cyclictest0-21swapper/500:03:495
30760991713,2cyclictest0-21swapper/422:54:064
30755991710,6cyclictest1132-21snmpd23:40:343
30745991712,3cyclictest0-21swapper/100:36:051
2885752170,12pltrace29601-21aten_r4power_vo22:00:147
2885752170,12pltrace29601-21aten_r4power_vo22:00:147
2669452170,0pltrace0-21swapper/720:00:057
2264852170,11pltrace23622-21tr23:45:121
1878852170,0pltrace0-21swapper/722:36:227
1537852170,2pltrace0-21swapper/700:30:337
935452160,0pltrace0-21swapper/721:21:257
30772991611,3cyclictest0-21swapper/722:44:057
30772991611,3cyclictest0-21swapper/720:08:167
3077299161,4cyclictest0-21swapper/720:55:087
3077299161,14cyclictest0-21swapper/720:45:267
30768991611,3cyclictest0-21swapper/620:46:466
30768991610,5cyclictest0-21swapper/600:34:326
3076899161,4cyclictest0-21swapper/600:35:326
3076899160,8cyclictest0-21swapper/623:13:396
3076399161,4cyclictest0-21swapper/521:42:035
3076399160,8cyclictest0-21swapper/520:04:125
3076399160,15cyclictest0-21swapper/519:18:525
30760991611,3cyclictest0-21swapper/419:40:204
3076099161,4cyclictest0-21swapper/421:39:214
3076099160,4cyclictest0-21swapper/400:35:524
3076099160,15cyclictest0-21swapper/419:50:184
3076099160,15cyclictest0-21swapper/419:32:054
3075599161,7cyclictest0-21swapper/319:22:443
3075599160,4cyclictest0-21swapper/322:13:023
3075599160,14cyclictest24196-21grep21:50:153
3075199161,14cyclictest0-21swapper/220:24:492
3075199160,15cyclictest0-21swapper/220:10:252
30745991611,3cyclictest0-21swapper/121:07:231
3074599161,4cyclictest0-21swapper/123:37:581
3074599160,4cyclictest0-21swapper/122:18:321
3074599160,2cyclictest0-21swapper/122:46:361
30740991611,3cyclictest0-21swapper/000:06:230
30740991610,5cyclictest0-21swapper/020:10:010
3074099161,7cyclictest0-21swapper/023:47:220
3074099160,8cyclictest0-21swapper/021:23:040
3074099160,15cyclictest0-21swapper/022:21:220
3057552160,0pltrace0-21swapper/721:01:217
1986352160,4pltrace0-21swapper/723:39:077
702152150,2pltrace0-21swapper/700:15:357
3275252150,6pltrace0-21swapper/623:05:016
3077299150,14cyclictest0-21swapper/723:16:007
3076899159,3cyclictest0-21swapper/621:53:316
30768991510,3cyclictest0-21swapper/623:35:166
3076899150,14cyclictest0-21swapper/620:50:206
3076399159,3cyclictest0-21swapper/523:37:465
30763991510,3cyclictest0-21swapper/520:44:525
30763991510,3cyclictest0-21swapper/519:35:325
3076399150,8cyclictest0-21swapper/500:32:565
3076399150,7cyclictest0-21swapper/519:50:515
3076399150,14cyclictest0-21swapper/522:48:325
3076399150,14cyclictest0-21swapper/521:53:045
3076099150,8cyclictest0-21swapper/423:19:304
3076099150,7cyclictest0-21swapper/419:47:244
3076099150,4cyclictest0-21swapper/400:18:334
3076099150,14cyclictest0-21swapper/422:31:194
3076099150,14cyclictest0-21swapper/422:19:524
3076099150,14cyclictest0-21swapper/421:09:414
3075599155,9cyclictest1066-13audispd00:20:003
3075599154,9cyclictest1065-17auditd21:50:003
30755991510,4cyclictest1028-17auditd00:10:003
3075599150,8cyclictest0-21swapper/320:12:153
3075599150,14cyclictest0-21swapper/320:24:423
30751991510,4cyclictest1028-17auditd22:25:002
3075199151,7cyclictest0-21swapper/221:55:552
3075199151,7cyclictest0-21swapper/221:55:552
3075199150,8cyclictest0-21swapper/221:41:302
3075199150,7cyclictest0-21swapper/223:29:112
3075199150,4cyclictest0-21swapper/222:51:062
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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