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2025-06-16 - 20:22
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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 Mon Jun 16, 2025 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
20164521240,114pltrace0-21swapper/507:10:005
2016452980,90pltrace0-21swapper/107:05:121
2237827056,10sleep30-21swapper/307:07:343
2240226955,10sleep60-21swapper/607:07:526
2231926248,10sleep70-21swapper/707:06:417
2247226147,10sleep20-21swapper/207:08:532
2229225944,11sleep00-21swapper/007:06:180
2233425844,10sleep40-21swapper/407:06:534
2088652340,9pltrace0-21swapper/711:55:167
2368752330,0pltrace0-21swapper/712:00:247
1252952310,3pltrace0-21swapper/711:40:187
2928352290,0pltrace0-21swapper/712:10:267
2928352290,0pltrace0-21swapper/712:10:267
1810152290,3pltrace0-21swapper/711:50:187
1144652290,3pltrace0-21swapper/710:40:167
1531552280,3pltrace0-21swapper/711:45:247
2276099240,17cyclictest0-21swapper/508:10:005
2276099230,22cyclictest0-21swapper/510:03:065
1933852230,0pltrace0-21swapper/708:00:277
2712352180,4pltrace0-21swapper/710:13:357
2275599180,18cyclictest0-21swapper/410:10:234
136952180,0pltrace0-21swapper/711:21:527
540452170,1pltrace0-21swapper/707:35:107
2944052170,12pltrace0-21swapper/707:24:247
2276899171,4cyclictest0-21swapper/708:27:407
22763991712,2cyclictest0-21swapper/610:55:096
22763991711,5cyclictest0-21swapper/611:53:166
2276399171,4cyclictest0-21swapper/610:21:016
2276099171,15cyclictest0-21swapper/511:52:455
2276099170,1cyclictest0-21swapper/509:55:265
2276099170,1cyclictest0-21swapper/509:23:325
22755991711,3cyclictest0-21swapper/411:27:564
2275599171,8cyclictest0-21swapper/408:16:124
22742991710,6cyclictest0-21swapper/108:16:451
1980952170,5pltrace0-21swapper/711:00:057
1206052170,0pltrace0-21swapper/708:48:267
803952160,12pltrace0-21swapper/012:32:110
540452160,11pltrace0-21swapper/307:38:373
3207152160,3pltrace0-21swapper/712:18:187
3207152160,3pltrace0-21swapper/712:18:187
3207152160,10pltrace0-21swapper/312:16:413
3207152160,10pltrace0-21swapper/312:16:413
2990852160,9pltrace31887-21grep10:15:256
262052160,4pltrace0-21swapper/707:34:067
22768991611,3cyclictest0-21swapper/707:57:117
2276899161,14cyclictest0-21swapper/712:05:317
2276899161,14cyclictest0-21swapper/712:05:317
22763991611,3cyclictest0-21swapper/610:45:266
2276399161,14cyclictest0-21swapper/609:03:116
2276399160,8cyclictest0-21swapper/607:42:076
2276399160,2cyclictest27811-21latency_hist11:10:006
2276099163,12cyclictest0-21swapper/511:25:215
22760991611,4cyclictest0-21swapper/508:42:455
22760991611,3cyclictest0-21swapper/510:29:235
22760991610,5cyclictest0-21swapper/507:21:255
2276099161,8cyclictest0-21swapper/507:46:325
2276099161,14cyclictest0-21swapper/510:43:235
2276099160,4cyclictest17470-21chrt11:46:405
2276099160,15cyclictest0-21swapper/509:45:415
2276099160,15cyclictest0-21swapper/507:28:435
2276099160,13cyclictest0-21swapper/511:20:005
22755991611,3cyclictest0-21swapper/409:00:134
2275599161,4cyclictest0-21swapper/410:18:454
2275599160,8cyclictest0-21swapper/412:16:294
2275599160,8cyclictest0-21swapper/412:16:294
2275599160,8cyclictest0-21swapper/410:57:114
22751991611,3cyclictest0-21swapper/308:06:303
22751991611,3cyclictest0-21swapper/307:40:263
22751991611,2cyclictest0-21swapper/308:41:463
22751991610,5cyclictest0-21swapper/309:48:543
2275199161,8cyclictest0-21swapper/307:28:563
22746991611,3cyclictest0-21swapper/209:59:072
2274699160,4cyclictest0-21swapper/208:10:052
2274299160,15cyclictest0-21swapper/107:59:511
22738991613,2cyclictest0-21swapper/011:25:190
22738991611,4cyclictest0-21swapper/008:28:130
2273899161,7cyclictest0-21swapper/011:59:430
2273899161,7cyclictest0-21swapper/009:12:500
2273899161,7cyclictest0-21swapper/009:03:140
2273899160,8cyclictest0-21swapper/011:22:150
2273899160,15cyclictest0-21swapper/009:36:420
1980952160,2pltrace0-21swapper/710:58:507
587652150,11pltrace54-21ksoftirqd/410:30:474
22768991510,3cyclictest0-21swapper/709:54:307
2276899150,14cyclictest0-21swapper/710:30:357
2276899150,14cyclictest0-21swapper/709:05:167
2276899150,14cyclictest0-21swapper/709:05:167
2276399150,14cyclictest0-21swapper/610:51:326
2276399150,14cyclictest0-21swapper/608:52:516
2276099157,7cyclictest1132-21snmpd08:00:035
2276099153,10cyclictest23808-21cpu12:00:155
2276099152,11cyclictest1904-21sensors10:20:245
22760991510,3cyclictest0-21swapper/511:22:275
22760991510,3cyclictest0-21swapper/509:53:415
2276099151,13cyclictest0-21swapper/510:50:295
2276099150,7cyclictest0-21swapper/511:41:315
2276099150,7cyclictest0-21swapper/510:10:225
2276099150,2cyclictest0-21swapper/510:55:165
2276099150,14cyclictest0-21swapper/510:33:205
2276099150,14cyclictest0-21swapper/509:31:385
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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