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2025-12-07 - 01:57
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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 rack5slot0.osadl.org (updated Sat Dec 06, 2025 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
588921760,1sleep11563399cyclictest11:39:521
1956021640,1sleep11563399cyclictest12:02:131
1956021640,1sleep11563399cyclictest12:02:121
1904321480,1sleep01562899cyclictest11:37:580
2021921410,1sleep03-21ksoftirqd/012:27:530
1721021330,0sleep00-21swapper/011:28:010
2815321320,0sleep00-21swapper/010:43:320
986221290,32sleep2135650irq/27-eth012:32:402
2912821270,1sleep00-21swapper/012:14:310
904421200,1sleep30-21swapper/310:21:383
1808521190,4sleep21563799cyclictest10:55:402
1932321180,2sleep11848-21nfsd12:05:061
52021040,102sleep226950irq/26-ahci[00010:27:232
15231210331,43sleep30-21swapper/307:08:043
8712980,1sleep041ktimersoftd/011:33:020
116312970,2sleep20-21swapper/212:01:302
116312970,2sleep20-21swapper/212:01:292
71852930,2sleep20-21swapper/209:58:402
40112930,2sleep31959-21sshd09:39:183
91432920,4sleep31564399cyclictest11:40:103
173232910,1sleep21848-21nfsd11:59:132
99312900,2sleep20-21swapper/211:46:142
39352900,10sleep3135650irq/27-eth011:36:293
174842900,3sleep01562899cyclictest12:39:030
1525429032,46sleep10-21swapper/107:08:231
249302890,2sleep20-21swapper/210:33:192
6792860,5sleep31564399cyclictest10:27:233
30902860,1sleep20-21swapper/210:21:012
221732860,2sleep222163-21sshd12:36:322
52032850,2sleep25205-21id11:07:182
46132830,2sleep24611-21bash11:39:462
35982830,2sleep10-21swapper/110:44:211
5492820,2sleep3546-21cp09:48:273
157832820,1sleep30-21swapper/312:04:473
157832820,1sleep30-21swapper/312:04:473
279892810,2sleep327991-21sshd09:57:293
118012800,1sleep20-21swapper/209:49:352
183402780,2sleep318341-21id11:24:593
160462780,2sleep116034-21sshd10:48:571
150432760,4sleep21563799cyclictest09:27:142
323532730,0sleep032350-21bash09:51:290
262402720,1sleep10-21swapper/110:56:321
318692700,1sleep00-21swapper/012:09:010
184012700,0sleep318402-21id10:16:103
184012700,0sleep318402-21id10:16:093
219182680,1sleep121917-21sshd10:16:311
219182680,1sleep121917-21sshd10:16:311
143252640,4sleep21563799cyclictest09:30:352
7142620,3sleep21563799cyclictest11:51:352
224012620,2sleep322389-21sshd11:25:233
196372620,4sleep21563799cyclictest08:30:012
158422610,1sleep10-21swapper/110:22:201
15152600,2sleep10-21swapper/112:23:251
187112540,2sleep118707-21sshd09:11:101
143022540,2sleep114177-21sshd10:38:471
1514125238,9sleep20-21swapper/207:06:562
1562899461,16cyclictest0-21swapper/009:13:230
1562899430,3cyclictest13581-21sshd10:25:240
15628994115,25cyclictest0-21swapper/012:34:570
1562899410,8cyclictest11980-21sshd09:43:150
1562899410,13cyclictest0-21swapper/010:48:240
1509024133,4sleep00-21swapper/007:06:180
1562899390,2cyclictest1847-21nfsd10:06:080
1562899373,11cyclictest15709-21sshd09:34:000
1562899371,15cyclictest135650irq/27-eth010:30:060
1564399362,2cyclictest0-21swapper/312:08:093
1562899361,9cyclictest10497-21sshd11:49:300
1562899361,5cyclictest0-21swapper/011:20:080
96052350,2sleep10-21swapper/109:16:591
1562899351,5cyclictest0-21swapper/010:39:240
1562899350,3cyclictest17125-21id11:05:180
14632350,1sleep00-21swapper/011:19:590
1562899345,5cyclictest9336-21sshd10:15:180
1562899345,5cyclictest9336-21sshd10:15:180
1562899341,15cyclictest0-21swapper/011:43:560
1562899340,15cyclictest28175-21sshd11:12:520
1562899331,15cyclictest0-21swapper/012:15:280
1562899330,4cyclictest31688-21sshd10:53:530
1564399323,4cyclictest0-21swapper/310:45:193
1564399321,6cyclictest0-21swapper/309:40:143
1562899329,3cyclictest31948-21sshd11:54:410
1562899321,29cyclictest0-21swapper/012:04:000
1562899321,29cyclictest0-21swapper/012:04:000
3362310,2sleep20-21swapper/209:54:522
1564399313,4cyclictest0-21swapper/310:10:263
1564399313,4cyclictest0-21swapper/310:10:263
1564399312,3cyclictest0-21swapper/312:28:273
1564399312,3cyclictest0-21swapper/311:06:353
1564399312,3cyclictest0-21swapper/310:40:373
1564399311,4cyclictest0-21swapper/310:51:393
1564399310,5cyclictest0-21swapper/310:30:313
1562899311,9cyclictest5281-21sshd11:00:540
82562300,2sleep38252-21sshd11:14:083
1564399309,11cyclictest18870-21sshd12:30:323
1564399303,5cyclictest0-21swapper/311:45:283
1564399303,3cyclictest0-21swapper/310:06:063
1564399302,5cyclictest0-21swapper/311:50:183
1564399301,8cyclictest0-21swapper/309:54:353
1564399301,4cyclictest0-21swapper/311:58:073
1564399301,4cyclictest0-21swapper/310:00:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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