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2025-07-01 - 12:45
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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
Characteristics of the 376 highest latencies:
System rackcslot4.osadl.org (updated Tue Jul 01, 2025 00:44:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13052202266190,61sleep00-21swapper/019:08:550
13049292265194,27sleep10-21swapper/119:05:471
13406082720,4chrt0-21swapper/020:35:230
14391142610,3sleep0161rcuc/023:05:550
125899580,4rtkit-daemon1257-21rtkit-daemon20:18:261
14013832480,3sleep10-21swapper/122:14:311
125899480,4rtkit-daemon0-21swapper/120:23:281
125899480,3rtkit-daemon0-21swapper/100:22:561
125899470,3rtkit-daemon0-21swapper/121:14:581
125899460,3rtkit-daemon0-21swapper/120:26:331
125899450,3rtkit-daemon0-21swapper/123:29:301
125899450,3rtkit-daemon0-21swapper/122:28:301
125899440,9rtkit-daemon0-21swapper/123:04:441
125899440,3rtkit-daemon0-21swapper/122:40:241
125899440,3rtkit-daemon0-21swapper/122:21:291
125899440,3rtkit-daemon0-21swapper/122:21:291
125899440,3rtkit-daemon0-21swapper/121:05:331
125899430,3rtkit-daemon0-21swapper/121:15:101
125899420,3rtkit-daemon0-21swapper/123:42:231
125899420,3rtkit-daemon0-21swapper/100:15:261
125899410,3rtkit-daemon0-21swapper/122:36:541
125899400,3rtkit-daemon0-21swapper/121:04:211
1305454993311,11cyclictest26-21ksoftirqd/120:49:001
13830412320,5sleep01383039-21apt-config21:50:030
1305454993210,12cyclictest26-21ksoftirqd/122:05:391
125899320,1rtkit-daemon1257-21rtkit-daemon20:50:081
125899320,1rtkit-daemon1257-21rtkit-daemon19:56:461
125899320,1rtkit-daemon1257-21rtkit-daemon19:42:461
1305454993020,4cyclictest1320221-40apt-check19:45:121
125899300,3rtkit-daemon0-21swapper/019:33:450
125899300,3rtkit-daemon0-21swapper/019:33:440
125899290,7rtkit-daemon1331704-21taskset20:14:201
125899290,3rtkit-daemon1257-21rtkit-daemon23:20:200
1305451992815,9cyclictest1441233-21apt-get23:10:140
125899280,3rtkit-daemon0-21swapper/122:47:061
130545499271,12cyclictest1353305-21diskmemload21:32:301
130545199271,19cyclictest13-21ksoftirqd/020:45:140
125899270,4rtkit-daemon1353305-21diskmemload21:20:581
14177002260,1sleep00-21swapper/022:36:020
130545499261,8cyclictest1353305-21diskmemload23:12:131
130545499261,8cyclictest1353305-21diskmemload21:40:581
130545499261,7cyclictest1353305-21diskmemload21:39:141
130545499261,7cyclictest1353305-21diskmemload00:30:521
130545199264,5cyclictest131ksoftirqd/000:11:400
130545199264,4cyclictest1353305-21diskmemload21:36:090
130545199262,5cyclictest131ksoftirqd/000:21:260
1305451992613,8cyclictest1384476-1kworker/u9:022:05:160
1305451992612,9cyclictest1488295-1kworker/u9:000:30:160
1305451992610,10cyclictest1368288-21apt-get21:30:160
1305454992523,1cyclictest2650ksoftirqd/100:39:591
1305454992518,5cyclictest1257-21rtkit-daemon19:34:351
1305454992518,5cyclictest1257-21rtkit-daemon19:34:341
130545199257,12cyclictest1312029-21apt-get19:25:150
1305451992512,9cyclictest1379226-21apt-get21:45:190
130545199251,21cyclictest1411382-21ssh22:28:050
125899250,4rtkit-daemon0-21swapper/122:56:191
130545499249,4cyclictest1353305-21diskmemload23:45:271
130545499249,4cyclictest1353305-21diskmemload22:17:281
130545499249,10cyclictest1383273-40apt-check21:50:171
130545499241,6cyclictest1353305-21diskmemload00:29:211
130545499241,21cyclictest0-21swapper/121:00:001
1305454992411,7cyclictest63750irq/132-enp2s023:35:131
1305454992411,7cyclictest63750irq/132-enp2s000:10:101
130545199243,14cyclictest1412510-21apt-get22:30:150
130545199242,16cyclictest1324170-21apt-get19:55:150
130545199242,15cyclictest1477204-21apt-get00:00:150
130545199242,15cyclictest1337861-21apt-get20:30:170
1305451992411,8cyclictest1359824-1kworker/u9:221:20:160
125899240,4rtkit-daemon1339809-21apt-get20:35:141
125899240,4rtkit-daemon0-21swapper/121:27:091
130545499234,18cyclictest1322531-21tune2fs19:50:171
130545499232,14cyclictest1412510-21apt-get22:30:171
130545499231,5cyclictest1353305-21diskmemload00:01:471
1305454992311,7cyclictest63750irq/132-enp2s023:20:151
130545499230,7cyclictest1476969-21cups-browsed00:00:021
130545199239,8cyclictest1437563-1kworker/u9:023:15:130
130545199238,10cyclictest1500808-21apt-get00:35:120
130545199234,11cyclictest1455425-21apt-get23:30:150
130545199233,11cyclictest1331990-21apt-get20:15:180
130545199232,15cyclictest1341782-21apt-get20:40:140
130545199232,15cyclictest1335909-21apt-get20:25:170
130545199232,14cyclictest1466562-21apt-get23:45:160
130545199232,14cyclictest1330040-21apt-get20:10:170
130545199232,14cyclictest1322222-21apt-get19:50:140
130545199232,14cyclictest1315938-21apt-get19:35:200
125899230,3rtkit-daemon0-21swapper/120:00:341
130545499229,9cyclictest1457795-21ssh23:32:501
130545499224,11cyclictest1390662-21apt-get22:00:141
130545499223,12cyclictest1387045-21apt-get21:55:171
1305454992213,4cyclictest1353305-21diskmemload23:05:131
130545199229,8cyclictest1415012-1kworker/u9:122:40:150
130545199223,11cyclictest1405373-21apt-get22:20:180
130545199223,11cyclictest1405373-21apt-get22:20:180
130545199222,15cyclictest1351549-21apt-get21:05:170
1305451992212,7cyclictest1433867-21apt-get23:00:150
1305451992211,7cyclictest1407373-21kworker/u8:022:45:150
1305451992210,9cyclictest1320349-21cpuspeed_turbos19:45:170
125899220,3rtkit-daemon0-21swapper/122:50:371
125899220,3rtkit-daemon0-21swapper/120:40:481
125899220,3rtkit-daemon0-21swapper/120:30:541
130545499212,14cyclictest1470130-21apt-get23:50:161
130545499212,11cyclictest1315938-21apt-get19:35:181
130545499211,5cyclictest1353305-21diskmemload00:05:481
130545499211,14cyclictest1312011-21/usr/sbin/munin19:25:281
130545199217,10cyclictest1308103-21apt-get19:15:110
130545199214,10cyclictest1326140-21apt-get20:00:140
130545199212,14cyclictest1430396-21apt-get22:55:170
130545199212,14cyclictest1345679-21apt-get20:50:140
130545199212,14cyclictest1333964-21apt-get20:20:180
130545199212,13cyclictest1401900-21apt-get22:15:160
130545199212,12cyclictest1317909-21apt-get19:40:190
130545199211,14cyclictest1353563-21/usr/sbin/munin21:10:290
130545199211,14cyclictest1310087-21apt-get19:20:190
130545499201,9cyclictest1446091-21ssh23:15:351
1305454992011,7cyclictest1328526-21sed20:05:181
1305454992011,7cyclictest1328526-21sed20:05:171
130545199204,9cyclictest1305581-21apt-get19:10:150
130545199204,10cyclictest1364753-21apt-get21:25:140
130545199203,9cyclictest1462796-40apt-check23:40:150
130545199203,10cyclictest1473575-21apt-get23:55:130
130545199203,10cyclictest1328086-21apt-get20:05:120
130545199203,10cyclictest1328086-21apt-get20:05:120
130545199202,13cyclictest1375707-21apt-get21:40:130
130545199202,12cyclictest1349599-21apt-get21:00:160
130545199202,10cyclictest1426956-21apt-get22:50:130
1305451992011,5cyclictest1353305-21diskmemload22:13:070
130545499199,8cyclictest1379869-21memory21:45:261
1305454991916,2cyclictest1308785-21needreboot19:15:191
1305454991911,6cyclictest1310546-21basename19:20:231
130545199192,11cyclictest1347625-21apt-get20:55:120
1305451991915,2cyclictest1453328-21sh23:25:420
1305451991914,3cyclictest1459951-21processes23:35:240
1305451991912,5cyclictest1359684-21seq21:17:310
130545199191,12cyclictest1486148-21/usr/sbin/munin00:15:270
1305451991910,7cyclictest1471320-21cat23:50:270
1305451991910,5cyclictest1353305-21diskmemload22:04:030
1305451991910,5cyclictest1353305-21diskmemload00:25:250
130545499181,15cyclictest1305561-21/usr/sbin/munin19:10:171
130545199180,3cyclictest1389377-21ssh21:57:430
130545199178,5cyclictest1353305-21diskmemload00:09:170
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*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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