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2026-06-22 - 18:56
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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 Jun 22, 2026 12:44:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
307882960,1sleep20-21swapper/212:18:282
289902960,1sleep10-21swapper/109:39:541
2393429333,56sleep30-21swapper/307:07:113
227222900,2sleep222721-21bash12:13:552
288022880,3sleep20-21swapper/209:54:212
166382870,3sleep30-21swapper/310:07:373
138672870,1sleep10-21swapper/109:31:201
31612860,3sleep30-21swapper/310:21:243
225202860,1sleep022518-21sshd10:15:480
2394828432,48sleep10-21swapper/107:07:221
185782830,0sleep00-21swapper/012:25:070
278082820,2sleep32512-21runrttasks12:06:553
179212810,1sleep02066-21nscd10:55:190
33822790,2sleep00-21swapper/009:47:340
20132790,1sleep02012-21sshd09:22:420
146512790,1sleep00-21swapper/010:22:450
285452780,1sleep02512-21runrttasks10:09:180
235652780,2sleep30-21swapper/311:35:323
209252760,1sleep10-21swapper/111:03:061
178122750,3sleep20-21swapper/211:54:162
73652730,3sleep02443399cyclictest10:14:190
297552730,2sleep22024-21nfsd10:46:002
2396927233,9sleep20-21swapper/207:07:382
134612720,1sleep10-21swapper/112:20:071
319722710,0sleep00-21swapper/008:35:220
153612710,4sleep32443699cyclictest12:13:003
210102700,0sleep021012-21id10:00:360
306182680,1sleep330477-21sshd11:55:373
26022680,4sleep22443599cyclictest07:30:202
241082660,3sleep32443699cyclictest10:15:583
315332640,1sleep00-21swapper/009:18:410
185082630,2sleep20-21swapper/209:24:522
2384224932,13sleep00-21swapper/007:05:590
255172480,0sleep325515-21bash10:49:093
76192380,36sleep128950irq/26-ahci[00009:55:371
20502310,4sleep22045-21sshd09:36:592
300792300,2sleep00-21swapper/009:11:360
152242290,3sleep20-21swapper/210:29:452
94392280,0sleep00-21swapper/011:41:070
70142280,1sleep17016-21sshd12:31:061
107312280,3sleep30-21swapper/307:50:143
290442270,2sleep12512-21runrttasks11:47:541
137062270,2sleep00-21swapper/009:31:190
102222270,0sleep00-21swapper/011:16:230
56292260,2sleep20-21swapper/210:06:002
213382260,2sleep20-21swapper/212:25:222
66282250,23sleep1144650irq/27-eth010:57:581
315202250,2sleep231518-21bash10:01:482
2443599256,12cyclictest0-21swapper/212:39:592
2443599256,12cyclictest0-21swapper/212:39:592
2443399248,3cyclictest24150-21sshd10:38:350
2443399246,4cyclictest25623-21bash11:07:120
2443399243,1cyclictest0-21swapper/011:13:120
2443399240,9cyclictest11642-21sshd10:40:350
2443599236,9cyclictest12686-21sshd12:31:552
2443399230,8cyclictest0-21swapper/011:25:150
2443399230,12cyclictest18041-21munin-node08:05:170
2443599226,9cyclictest17850-21bash12:05:412
2443599224,4cyclictest0-21swapper/210:16:212
2443399228,2cyclictest21814-21sshd11:35:230
2443399226,4cyclictest0-21swapper/011:30:210
2443399222,1cyclictest0-21swapper/010:28:120
2443399220,9cyclictest0-21swapper/010:48:340
15012220,2sleep20-21swapper/209:30:092
52342210,1sleep35230-21bash11:52:363
2443399216,3cyclictest0-21swapper/010:51:020
2443399212,11cyclictest0-21swapper/009:51:570
2443399212,10cyclictest11204-21sshd09:27:420
2443399210,9cyclictest18792-21sshd12:17:080
54952200,18sleep3144650irq/27-eth010:50:253
280622200,1sleep20-21swapper/211:32:362
2443599207,4cyclictest11680-21sshd11:27:112
2443599206,3cyclictest10086-21bash11:49:232
2443399208,4cyclictest0-21swapper/009:36:120
2443399201,9cyclictest144650irq/27-eth012:20:150
2443399200,9cyclictest0-21swapper/009:43:500
2443399200,12cyclictest0-21swapper/012:10:060
173322200,0sleep00-21swapper/012:36:300
173322200,0sleep00-21swapper/012:36:290
24435991917,1cyclictest0-21swapper/208:53:482
2443399190,9cyclictest15998-21sshd11:02:330
2443399190,3cyclictest10211-21sshd09:59:370
204202191,16sleep1144650irq/27-eth009:53:171
275132180,16sleep2144650irq/27-eth011:00:182
2443499187,5cyclictest0-21swapper/109:16:581
24434991815,2cyclictest27452-21sshd11:39:361
2443399180,9cyclictest12655-21sshd11:57:140
2443399180,1cyclictest30817-21sshd11:48:050
237842180,2sleep10-21swapper/110:15:571
118422180,16sleep3144650irq/27-eth011:16:343
74062170,9sleep30-21swapper/307:41:043
274012170,2sleep327400-21sshd09:14:513
2443699177,5cyclictest16654-21sshd09:31:403
2443599172,14cyclictest144650irq/27-eth010:40:022
24435991713,3cyclictest26087-21bash09:43:052
24435991712,4cyclictest144650irq/27-eth011:05:582
2443599170,15cyclictest0-21swapper/211:24:472
2443499178,4cyclictest30702-21bash11:55:371
2443499170,4cyclictest3293-21sshd10:53:501
149602170,2sleep20-21swapper/211:38:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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