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2026-04-20 - 20:47
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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 Mon Apr 20, 2026 12:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1337921340,1sleep313380-21bash10:50:403
164822920,1sleep20-21swapper/210:51:032
16812910,2sleep10-21swapper/110:28:411
120672910,0sleep00-21swapper/010:02:120
123712890,0sleep00-21swapper/010:47:080
62242878,41sleep10-21swapper/107:09:051
62242878,41sleep10-21swapper/107:09:041
60352870,2sleep22512-21runrttasks12:17:382
306212860,3sleep2657599cyclictest09:17:372
63062857,40sleep30-21swapper/307:09:553
63062857,40sleep30-21swapper/307:09:543
290192840,2sleep229016-21sshd11:51:582
112382840,3sleep10-21swapper/110:57:271
67732820,3sleep10-21swapper/112:39:101
135932810,3sleep20-21swapper/211:46:492
256522790,2sleep20-21swapper/211:58:552
43842770,0sleep00-21swapper/011:31:440
145012770,2sleep30-21swapper/310:30:033
202612760,2sleep220251-21sshd11:26:292
60512750,4sleep3657699cyclictest11:14:403
269572750,1sleep30-21swapper/309:24:513
195902750,2sleep219575-21sshd12:01:412
173422750,2sleep20-21swapper/211:33:102
46662720,2sleep14656-21sshd09:14:441
46662720,2sleep14656-21sshd09:14:431
250272710,7sleep0657399cyclictest11:02:230
87332640,4sleep12024-21nfsd10:36:271
303172640,2sleep30-21swapper/309:13:533
303172640,2sleep30-21swapper/309:13:533
136012610,3sleep0657399cyclictest12:32:430
602625733,12sleep20-21swapper/207:06:332
602625733,12sleep20-21swapper/207:06:332
599524732,11sleep00-21swapper/007:06:100
599524732,11sleep00-21swapper/007:06:100
145312460,0sleep214530-21bash11:12:032
323852440,0sleep032380-21rm09:21:320
94622350,0sleep00-21swapper/008:25:190
285702350,4sleep3657699cyclictest11:51:553
206592350,3sleep00-21swapper/010:20:190
304182310,0sleep00-21swapper/009:32:590
260722310,2sleep10-21swapper/111:55:211
71942280,4sleep30-21swapper/312:28:333
107512280,1sleep010-21rcuc/009:15:190
31742270,24sleep3144650irq/27-eth011:21:063
161622270,3sleep2657599cyclictest09:27:232
211482260,24sleep2144650irq/27-eth009:35:332
206352261,22sleep2144650irq/27-eth012:37:072
114362260,1sleep10-21swapper/111:35:541
6576992510,3cyclictest0-21swapper/309:34:253
146302240,2sleep114627-21sshd11:46:561
73012220,2sleep27296-21sshd12:32:012
292472220,3sleep3657699cyclictest12:38:033
138362220,2sleep20-21swapper/210:09:152
55462210,2sleep12024-21nfsd09:44:211
314752210,0sleep041ktimersoftd/009:14:030
314752210,0sleep041ktimersoftd/009:14:020
289842210,2sleep30-21swapper/310:07:243
159642210,3sleep3657699cyclictest10:23:193
657599206,12cyclictest23778-21sshd10:24:092
657599201,12cyclictest0-21swapper/208:51:532
58202200,18sleep2144650irq/27-eth010:25:352
318142200,0sleep00-21swapper/012:20:210
222072202,16sleep2144650irq/27-eth009:59:582
204272200,18sleep2144650irq/27-eth010:37:452
173942200,3sleep30-21swapper/310:40:463
657699193,3cyclictest0-21swapper/310:17:503
657699190,17cyclictest12349-21sshd11:15:143
657599193,10cyclictest0-21swapper/207:19:082
657599190,17cyclictest16826-21sshd10:47:372
54972190,2sleep25495-21sshd10:43:002
50732190,2sleep10-21swapper/109:18:241
239162190,0sleep223913-21sshd11:44:332
106592190,2sleep10-21swapper/111:29:011
10092190,17sleep128950irq/26-ahci[00010:52:591
657699182,8cyclictest0-21swapper/311:33:533
657699181,3cyclictest0-21swapper/311:56:333
657699180,16cyclictest4899-21munin-node12:00:233
657699180,13cyclictest14338-21sshd11:01:093
657699180,12cyclictest17187-21sshd11:05:143
657599180,16cyclictest2024-21nfsd12:25:202
48392180,1sleep10-21swapper/110:18:441
226872180,16sleep2144650irq/27-eth009:12:572
226872180,16sleep2144650irq/27-eth009:12:572
178422180,1sleep10-21swapper/109:35:151
13442181,15sleep1144650irq/27-eth011:42:041
78612170,1sleep20-21swapper/209:30:152
657699178,7cyclictest28927-21sshd11:37:513
657699178,2cyclictest17992-21sshd09:52:253
657699177,8cyclictest12004-21sshd09:55:193
657699173,3cyclictest0-21swapper/309:44:323
657699172,4cyclictest28592-21sshd09:10:003
657699172,3cyclictest16542-21sshd10:26:463
657699171,6cyclictest11954-21bash09:15:243
657699171,4cyclictest23106-21bash10:55:173
657699171,3cyclictest6156-21sshd12:07:123
657699171,3cyclictest144650irq/27-eth012:10:453
657699171,14cyclictest30415-21sshd11:45:133
657699171,14cyclictest0-21swapper/310:00:163
657699170,6cyclictest924-21sshd11:42:013
657699170,3cyclictest0-21swapper/309:28:273
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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