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2026-08-12 - 13:22
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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 Wed Aug 12, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1155721170,2sleep10-21swapper/123:54:381
1840521130,1sleep10-21swapper/122:41:121
4513210132,40sleep10-21swapper/119:09:441
282752970,0sleep00-21swapper/021:55:100
162192960,1sleep08-21rcu_preempt22:23:070
50192940,2sleep30-21swapper/323:56:523
105562920,3sleep2478799cyclictest22:40:252
197022910,2sleep119697-21sshd21:33:351
311382900,1sleep10-21swapper/100:05:041
311382900,1sleep10-21swapper/100:05:041
203322900,2sleep30-21swapper/300:04:063
203322900,2sleep30-21swapper/300:04:063
196082890,1sleep20-21swapper/223:28:552
155252860,0sleep00-21swapper/023:57:500
438728532,48sleep30-21swapper/319:08:093
37962850,2sleep23795-21sshd21:53:002
183272840,4sleep3479299cyclictest00:15:313
189752830,2sleep218969-21sshd23:52:232
61552820,2sleep10-21swapper/123:21:431
52102820,0sleep00-21swapper/021:47:120
275882820,2sleep127583-21sshd21:12:511
314102810,2sleep30-21swapper/322:36:343
268082810,2sleep20-21swapper/222:04:022
268082810,2sleep20-21swapper/222:04:022
215732810,2sleep10-21swapper/122:23:361
324572790,4sleep125-21rcuop/122:07:261
101562790,2sleep110155-21bash23:04:201
193462780,4sleep3479299cyclictest23:02:073
10342780,2sleep31030-21sshd00:34:523
92372770,1sleep20-21swapper/223:57:152
175152770,4sleep30-21swapper/322:00:063
175152770,4sleep30-21swapper/322:00:063
140162770,1sleep214004-21sshd21:36:002
266022760,2sleep126592-21users00:10:251
266022760,2sleep126592-21users00:10:241
143712760,2sleep10-21swapper/123:25:291
312482740,2sleep20-21swapper/221:19:212
131562740,2sleep313155-21bash22:49:553
278022720,0sleep00-21swapper/000:34:210
164262700,1sleep20-21swapper/221:48:192
453225632,12sleep20-21swapper/219:09:572
210762540,52sleep328950irq/26-ahci[00023:08:283
145362411,38sleep3144650irq/27-eth021:11:423
420624033,4sleep00-21swapper/019:05:500
307912400,1sleep030777-21sshd22:39:270
214902380,35sleep3144650irq/27-eth000:24:473
58152360,2sleep15808-21sshd21:50:181
76942310,2sleep30-21swapper/321:35:253
31042300,5sleep1478399cyclictest23:33:101
478399290,21cyclictest9821-21sshd21:44:381
478399290,19cyclictest28612-21bash23:09:121
147842290,2sleep314786-21id22:44:023
67782280,3sleep20-21swapper/223:00:522
478399289,9cyclictest144650irq/27-eth021:37:001
478399280,23cyclictest16369-21sshd21:27:021
478399280,20cyclictest27975-21sshd21:55:081
478399280,17cyclictest11056-21sshd21:17:191
297512280,1sleep30-21swapper/322:54:163
282152280,1sleep02024-21nfsd00:37:120
478399274,14cyclictest4251-21sshd00:37:591
478399270,21cyclictest20122-21sshd22:03:231
478399270,21cyclictest20122-21sshd22:03:231
478399270,20cyclictest23638-21sshd22:12:211
478399270,12cyclictest5527-21sshd23:18:521
478399270,12cyclictest12941-21sshd23:57:361
229302270,25sleep1144650irq/27-eth022:35:481
121202270,4sleep1478399cyclictest23:36:551
478399262,10cyclictest4803-21sshd21:47:101
478399261,12cyclictest24436-21sshd23:46:531
478399260,21cyclictest15349-21bash22:28:491
478399260,19cyclictest31365-21sshd00:22:431
478399260,17cyclictest144650irq/27-eth023:43:121
478399260,16cyclictest20017-21sshd22:17:461
478399260,16cyclictest1909-21sshd22:45:471
478399260,13cyclictest13877-21sshd23:10:411
107372260,4sleep3479299cyclictest21:53:373
478399253,11cyclictest2066-21nscd00:02:291
478399253,11cyclictest2066-21nscd00:02:281
478399251,10cyclictest144650irq/27-eth022:51:101
478399250,21cyclictest16136-21sshd00:30:161
478399250,21cyclictest14980-21sshd00:15:181
478399250,13cyclictest31551-21sshd22:57:241
478399250,12cyclictest25647-21sshd21:21:491
478399250,11cyclictest3719-21sshd00:26:001
478399230,14cyclictest27080-21sshd21:10:001
478399230,12cyclictest24275-21sshd22:32:411
307742230,1sleep230766-21sshd21:25:222
283322220,2sleep228333-21bash23:17:512
184022220,1sleep02024-21nfsd21:36:260
478399213,8cyclictest15024-21ntpdc19:30:181
478399211,16cyclictest144650irq/27-eth019:57:511
478399210,19cyclictest5905-21chrt20:20:351
478399210,19cyclictest2512-21runrttasks20:53:391
478399210,12cyclictest9909-21ntpq20:30:191
477899211,19cyclictest0-21swapper/022:51:170
289302210,0sleep00-21swapper/022:42:150
259392211,18sleep3144650irq/27-eth023:11:483
4787992018,1cyclictest0-21swapper/221:44:052
478399201,12cyclictest23193-21cpuspeed_turbos19:50:091
478399200,9cyclictest144650irq/27-eth021:00:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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