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2025-09-03 - 00:32
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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 Tue Sep 02, 2025 12:44:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10336521150,53pltrace0-21swapper/707:05:147
13129521040,96pltrace0-21swapper/207:09:562
1033652900,86pltrace0-21swapper/307:05:133
1313528276,4sleep10-21swapper/107:09:561
1302727360,9sleep50-21swapper/507:08:475
1300226146,11sleep00-21swapper/007:08:270
1298126046,10sleep60-21swapper/607:08:096
1280325945,10sleep40-21swapper/407:05:334
139972350,0sleep40-21swapper/409:05:114
904652330,4pltrace0-21swapper/709:57:337
1744752210,16pltrace0-21swapper/110:10:041
1913452190,15pltrace0-21swapper/509:16:355
13365991911,7cyclictest0-21swapper/410:49:284
1335299194,14cyclictest0-21swapper/112:05:161
1335299194,14cyclictest0-21swapper/112:05:161
651052170,6pltrace0-21swapper/711:51:277
1465852170,3pltrace0-21swapper/710:06:327
1336599170,9cyclictest54-21ksoftirqd/411:14:274
13352991711,5cyclictest0-21swapper/109:22:161
1334799173,13cyclictest0-21swapper/012:05:180
1334799173,13cyclictest0-21swapper/012:05:180
13374991611,3cyclictest0-21swapper/611:53:316
1337499161,7cyclictest0-21swapper/610:53:566
1337499161,14cyclictest0-21swapper/611:07:216
13370991611,3cyclictest0-21swapper/508:20:395
13370991611,3cyclictest0-21swapper/507:24:035
1337099161,14cyclictest0-21swapper/511:37:405
1337099161,14cyclictest0-21swapper/509:06:205
1337099160,15cyclictest22229-21smart_sda10:15:225
1337099160,15cyclictest0-21swapper/509:00:375
1337099160,15cyclictest0-21swapper/509:00:375
13365991611,4cyclictest0-21swapper/407:39:254
1336599161,7cyclictest0-21swapper/409:38:264
1335699161,4cyclictest0-21swapper/208:48:462
1335299169,6cyclictest1132-21snmpd08:49:061
13352991612,2cyclictest0-21swapper/109:29:171
1335299160,10cyclictest0-21swapper/111:05:591
1334799160,4cyclictest0-21swapper/011:01:400
1334799160,15cyclictest0-21swapper/012:21:110
87152150,12pltrace54-21ksoftirqd/411:44:154
400652150,10pltrace54-21ksoftirqd/407:54:454
2860152150,11pltrace54-21ksoftirqd/410:33:354
2637452150,10pltrace54-21ksoftirqd/408:33:074
13374991510,3cyclictest0-21swapper/609:56:036
13374991510,2cyclictest0-21swapper/611:03:116
1337499151,7cyclictest0-21swapper/612:21:136
1337499151,7cyclictest0-21swapper/612:01:046
1337499150,8cyclictest0-21swapper/609:14:046
1337499150,4cyclictest0-21swapper/610:47:386
1337499150,14cyclictest0-21swapper/612:33:406
1337499150,14cyclictest0-21swapper/610:27:256
1337499150,14cyclictest0-21swapper/608:57:586
1337499150,14cyclictest0-21swapper/608:40:016
1337099159,5cyclictest0-21swapper/510:40:505
13370991510,3cyclictest0-21swapper/510:24:375
13370991510,3cyclictest0-21swapper/507:50:055
13370991510,3cyclictest0-21swapper/507:48:145
1337099150,8cyclictest0-21swapper/512:33:585
1337099150,8cyclictest0-21swapper/508:48:285
1337099150,8cyclictest0-21swapper/507:16:125
1337099150,7cyclictest0-21swapper/511:25:485
1337099150,7cyclictest0-21swapper/511:13:545
1337099150,4cyclictest0-21swapper/512:38:375
1337099150,4cyclictest0-21swapper/510:47:295
1337099150,14cyclictest0-21swapper/512:29:595
1337099150,14cyclictest0-21swapper/510:38:385
13365991511,3cyclictest0-21swapper/412:13:474
13365991511,3cyclictest0-21swapper/412:13:474
13365991511,3cyclictest0-21swapper/410:38:054
13365991510,2cyclictest0-21swapper/409:11:444
1336599150,7cyclictest0-21swapper/411:53:554
1336599150,7cyclictest0-21swapper/407:58:054
1336599150,14cyclictest0-21swapper/412:01:224
1336599150,14cyclictest0-21swapper/410:59:024
1336599150,14cyclictest0-21swapper/407:20:304
1335699150,8cyclictest20164-21fschecks_count09:15:142
1335699150,7cyclictest0-21swapper/212:07:222
1335699150,7cyclictest0-21swapper/212:07:222
1335699150,7cyclictest0-21swapper/211:52:072
1335699150,7cyclictest0-21swapper/211:40:012
1335699150,7cyclictest0-21swapper/210:40:562
1335699150,7cyclictest0-21swapper/207:26:432
1335699150,14cyclictest0-21swapper/209:10:022
1335699150,14cyclictest0-21swapper/209:01:192
1335699150,14cyclictest0-21swapper/209:01:192
1335699150,13cyclictest0-21swapper/211:17:182
1335699150,13cyclictest0-21swapper/210:11:282
1335699150,13cyclictest0-21swapper/209:42:542
1335299154,4cyclictest32324-21cat09:35:221
1335299151,2cyclictest0-21swapper/109:45:361
1335299150,8cyclictest0-21swapper/111:24:381
1335299150,8cyclictest0-21swapper/107:51:141
1335299150,7cyclictest0-21swapper/110:56:041
1334799159,4cyclictest0-21swapper/011:06:030
1334799150,7cyclictest0-21swapper/009:27:470
1334799150,15cyclictest0-21swapper/007:15:200
1240852150,9pltrace0-21swapper/508:08:045
114252150,2pltrace0-21swapper/707:48:487
958852140,11pltrace54-21ksoftirqd/408:00:064
929952140,6pltrace78-21ksoftirqd/711:55:197
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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