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2024-07-21 - 22:27
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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 100 highest latencies:
System rackdslot3.osadl.org (updated Sun Jul 21, 2024 12:46:22)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
8255912020,6ptp4l401ktimersoftd/307:05:223
3236521850,7sleep2470299cyclictest07:15:432
3236521850,7sleep2470299cyclictest07:15:422
3237021640,8sleep3470399cyclictest08:36:273
2950721540,6sleep1470199cyclictest09:40:211
2092021300,8sleep0470099cyclictest07:11:230
2181321240,4sleep121821-21spawn07:12:531
470399776,13cyclictest10151-21grep07:17:553
470399776,13cyclictest10151-21grep07:17:543
4700997661,8cyclictest9-21ksoftirqd/009:00:100
4700997661,8cyclictest9-21ksoftirqd/009:00:100
4700997561,8cyclictest9-21ksoftirqd/011:00:160
163292730,5sleep216335-21spawn07:11:292
94382720,6sleep19411-21sh07:15:541
94382720,6sleep19411-21sh07:15:541
470399694,12cyclictest17009-21od07:21:023
4700996856,6cyclictest9-21ksoftirqd/012:15:090
178982680,8sleep2470299cyclictest08:05:312
59962660,4sleep05997-21hwlatdetect10:00:150
4700996654,6cyclictest9-21ksoftirqd/011:15:120
470399654,12cyclictest16058-21apt-key08:05:013
470399654,11cyclictest4010-21sed12:10:313
4700996553,6cyclictest9-21ksoftirqd/007:50:100
240822650,3sleep0470099cyclictest07:15:330
240822650,3sleep0470099cyclictest07:15:320
172872620,3sleep10-21swapper/108:05:221
4700996151,5cyclictest9-21ksoftirqd/011:05:110
4700996049,6cyclictest9-21ksoftirqd/008:45:100
4700995947,6cyclictest9-21ksoftirqd/008:35:170
4700995923,4cyclictest9-21ksoftirqd/007:20:280
4700995822,4cyclictest9-21ksoftirqd/012:05:000
79502570,6sleep37967-21spawn07:11:583
57698570,14rtkit-daemon0-21swapper/009:40:320
92442560,3sleep1470199cyclictest11:15:191
4700995643,7cyclictest9-21ksoftirqd/008:50:120
4700995522,4cyclictest9-21ksoftirqd/010:55:220
825591540,1ptp4l391rcuc/308:44:383
4700995447,4cyclictest26290-21turbostat.cron10:45:010
4700995442,6cyclictest9-21ksoftirqd/010:50:090
4700995441,7cyclictest9-21ksoftirqd/011:45:120
57698530,10rtkit-daemon0-21swapper/008:16:590
4700995342,6cyclictest9-21ksoftirqd/007:55:110
825591510,2ptp4l22945-21ls09:25:253
4700995140,6cyclictest9-21ksoftirqd/007:25:100
4700995136,5cyclictest9-21ksoftirqd/009:05:150
4700995115,9cyclictest9-21ksoftirqd/011:20:260
4700995044,4cyclictest9-21ksoftirqd/012:35:010
4700995043,4cyclictest9-21ksoftirqd/011:10:110
4700995043,4cyclictest9-21ksoftirqd/009:35:000
470199493,24cyclictest18373-21df_abs11:35:201
4700994944,3cyclictest9-21ksoftirqd/009:00:000
4700994941,4cyclictest9-21ksoftirqd/010:05:330
4700994917,4cyclictest9-21ksoftirqd/012:25:270
30782490,2sleep13082-21tr08:45:121
4700994842,3cyclictest9-21ksoftirqd/007:35:000
4700994839,5cyclictest9-21ksoftirqd/009:35:300
4700994814,5cyclictest9-21ksoftirqd/010:30:170
4700994741,4cyclictest9-21ksoftirqd/008:24:590
4700994741,3cyclictest9-21ksoftirqd/012:25:000
4700994741,3cyclictest9-21ksoftirqd/008:45:010
4700994741,3cyclictest9-21ksoftirqd/007:50:010
4700994740,4cyclictest9-21ksoftirqd/008:05:000
4700994740,4cyclictest9-21ksoftirqd/007:45:000
4700994732,7cyclictest9-21ksoftirqd/011:30:290
4700994715,4cyclictest9-21ksoftirqd/011:35:270
4700994714,4cyclictest9-21ksoftirqd/011:40:250
4700994712,6cyclictest9-21ksoftirqd/008:05:180
470099469,6cyclictest9-21ksoftirqd/009:25:100
470099465,8cyclictest9-21ksoftirqd/009:18:430
4700994641,3cyclictest9-21ksoftirqd/010:40:000
4700994640,4cyclictest9-21ksoftirqd/009:50:000
4700994640,3cyclictest9-21ksoftirqd/012:15:010
4700994639,4cyclictest9-21ksoftirqd/011:55:130
4700994638,4cyclictest9-21ksoftirqd/009:15:000
4700994632,6cyclictest9-21ksoftirqd/012:35:160
4700994629,7cyclictest9-21ksoftirqd/010:25:000
57698450,8rtkit-daemon575-21rtkit-daemon07:08:042
4700994539,4cyclictest9-21ksoftirqd/010:20:000
4700994538,4cyclictest9-21ksoftirqd/010:00:000
4700994538,4cyclictest9-21ksoftirqd/009:50:200
4700994538,4cyclictest9-21ksoftirqd/007:35:330
4700994538,4cyclictest15235-21cron11:29:590
4700994438,3cyclictest9-21ksoftirqd/011:55:000
4700994411,4cyclictest9-21ksoftirqd/008:30:120
279032440,6sleep227919-21sh07:21:232
20302445,23sleep12117-21/usr/sbin/munin07:05:131
4701994326,14cyclictest25-21ksoftirqd/109:56:141
4700994338,3cyclictest9-21ksoftirqd/009:25:000
4700994336,4cyclictest9-21ksoftirqd/012:05:280
4700994336,4cyclictest9-21ksoftirqd/010:45:170
470199423,33cyclictest6045-21apt-get11:10:111
4700994237,3cyclictest9-21ksoftirqd/010:25:110
4700994237,3cyclictest9-21ksoftirqd/010:15:000
4700994235,4cyclictest9-21ksoftirqd/008:25:310
4700994235,3cyclictest9-21ksoftirqd/008:10:180
24702413,23sleep02479-21/usr/sbin/munin07:05:160
4702993933,4cyclictest33-21ksoftirqd/210:00:002
4702993933,4cyclictest33-21ksoftirqd/209:11:262
4701993933,4cyclictest25-21ksoftirqd/109:36:271
470199393,29cyclictest17259-21apt-get10:25:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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