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2025-04-02 - 06:49
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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 Wed Apr 02, 2025 00:44:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
7174521200,57pltrace0-21swapper/719:05:147
9959521110,102pltrace0-21swapper/219:09:462
717452950,91pltrace0-21swapper/319:05:193
995952900,76pltrace0-21swapper/519:10:005
153152890,1pltrace0-21swapper/323:11:153
995952870,82pltrace0-21swapper/619:08:126
990827460,10sleep10-21swapper/119:05:471
996825945,10sleep00-21swapper/019:06:180
993825743,10sleep40-21swapper/419:06:134
1041699240,23cyclictest0-21swapper/500:29:205
2204052200,0pltrace0-21swapper/722:50:097
3115552190,2pltrace0-21swapper/723:10:187
3036752190,3pltrace0-21swapper/719:45:197
10393991914,2cyclictest0-21swapper/023:20:020
3036752180,3pltrace0-21swapper/719:42:007
1898452180,0pltrace0-21swapper/720:29:007
1801452180,2pltrace0-21swapper/721:30:207
837152170,4pltrace0-21swapper/700:37:407
3166852170,0pltrace0-21swapper/700:17:497
2989652170,0pltrace0-21swapper/721:54:307
2888452170,0pltrace0-21swapper/700:14:127
2479752170,0pltrace0-21swapper/719:31:187
1851452170,4pltrace54-21ksoftirqd/422:36:464
1801452170,4pltrace0-21swapper/721:27:327
1573052170,0pltrace0-21swapper/722:35:157
10425991712,4cyclictest0-21swapper/722:20:017
10395991711,4cyclictest0-21swapper/122:02:371
10395991711,4cyclictest0-21swapper/122:02:371
1039599170,15cyclictest25787-21expr22:55:121
1039399171,8cyclictest0-21swapper/022:19:160
10425991611,3cyclictest0-21swapper/722:40:417
10425991611,2cyclictest0-21swapper/719:37:417
1042599161,7cyclictest0-21swapper/723:18:357
1041699161,14cyclictest0-21swapper/519:33:525
1041699160,8cyclictest0-21swapper/521:58:215
1041699160,8cyclictest0-21swapper/520:20:125
1041699160,15cyclictest0-21swapper/523:14:155
1041399161,8cyclictest0-21swapper/423:38:164
1040899161,4cyclictest0-21swapper/322:19:183
1040899161,14cyclictest0-21swapper/322:26:153
1040899161,14cyclictest0-21swapper/321:40:053
1040899161,14cyclictest0-21swapper/320:06:053
1040899160,15cyclictest0-21swapper/300:02:503
1039599165,10cyclictest1132-21snmpd23:45:121
1039599163,12cyclictest0-21swapper/120:58:421
10395991611,3cyclictest0-21swapper/123:59:161
10395991611,3cyclictest0-21swapper/121:45:331
1039599161,7cyclictest0-21swapper/121:36:331
1039599161,14cyclictest0-21swapper/121:00:161
1039599160,15cyclictest0-21swapper/119:57:371
1039399160,4cyclictest0-21swapper/019:13:430
280052150,3pltrace0-21swapper/700:29:287
2711052150,8pltrace1132-21snmpd21:48:332
2610052150,3pltrace54-21ksoftirqd/400:06:404
1220152150,12pltrace54-21ksoftirqd/422:24:194
1042599150,8cyclictest0-21swapper/723:57:257
1042599150,8cyclictest0-21swapper/720:39:157
1042599150,8cyclictest0-21swapper/720:18:437
1042599150,4cyclictest0-21swapper/722:34:177
1041699159,3cyclictest0-21swapper/521:02:585
10416991510,3cyclictest0-21swapper/520:38:585
10416991510,3cyclictest0-21swapper/519:36:315
1041699150,7cyclictest0-21swapper/519:40:525
1041699150,14cyclictest19380-21tr22:40:125
1041699150,14cyclictest0-21swapper/523:37:225
1041399150,7cyclictest0-21swapper/420:25:144
1041399150,14cyclictest0-21swapper/420:00:504
1041399150,14cyclictest0-21swapper/419:58:374
1040899150,8cyclictest0-21swapper/320:18:323
1040899150,7cyclictest0-21swapper/320:26:363
1040899150,14cyclictest0-21swapper/322:55:143
1039599156,8cyclictest1132-21snmpd20:02:411
1039599155,9cyclictest24542-21tr20:36:141
1039599151,13cyclictest13232-21cat20:15:001
1039599150,8cyclictest0-21swapper/120:47:571
1039599150,8cyclictest0-21swapper/119:27:561
1039599150,7cyclictest0-21swapper/122:20:181
1039599150,7cyclictest0-21swapper/121:59:431
1039599150,4cyclictest0-21swapper/122:43:221
1039599150,14cyclictest0-21swapper/122:12:151
1039599150,14cyclictest0-21swapper/120:16:351
1039599150,14cyclictest0-21swapper/119:49:461
1039599150,13cyclictest26294-21chrt21:40:261
1039599150,13cyclictest0-21swapper/123:53:511
1039599150,13cyclictest0-21swapper/123:24:441
1039599150,1cyclictest0-21swapper/119:18:251
1039399151,7cyclictest0-21swapper/022:20:280
1039399150,14cyclictest0-21swapper/020:28:420
995952140,8pltrace11736-21cat19:10:177
2711052140,3pltrace29528-21sort21:50:172
2711052140,0pltrace0-21swapper/621:50:086
1170152140,5pltrace0-21swapper/721:13:467
1042599141,12cyclictest0-21swapper/720:07:217
10421991413,1cyclictest0-21swapper/619:55:206
10421991411,2cyclictest0-21swapper/622:53:196
10421991411,2cyclictest0-21swapper/620:11:456
1042199140,1cyclictest0-21swapper/621:55:176
1042199140,1cyclictest0-21swapper/621:47:216
1041699149,3cyclictest0-21swapper/520:41:485
1041699140,7cyclictest0-21swapper/522:19:425
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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