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2026-06-24 - 06:04
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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 Jun 24, 2026 00:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3195121260,2sleep32006599cyclictest22:02:463
1859121260,3sleep22006499cyclictest21:10:482
19717211333,43sleep30-21swapper/319:08:543
258192940,3sleep32006599cyclictest19:20:193
297672930,4sleep32006599cyclictest23:40:253
239672890,2sleep02006299cyclictest21:22:160
57142880,0sleep00-21swapper/021:38:190
70242850,5sleep12006399cyclictest22:10:261
45722850,1sleep30-21swapper/321:38:103
276982840,2sleep127689-21sshd22:05:411
77632830,2sleep00-21swapper/021:31:170
64252830,1sleep20-21swapper/221:00:182
242092830,0sleep00-21swapper/000:31:590
248252820,1sleep010-21rcuc/023:10:030
238272820,1sleep023825-21sshd21:29:410
1972528234,44sleep10-21swapper/119:09:011
324972790,1sleep00-21swapper/023:26:030
216282790,1sleep30-21swapper/322:44:343
179932790,2sleep117994-21id00:05:031
179492790,2sleep117947-21sshd21:39:481
163232780,2sleep22023-21nfsd22:25:572
123412780,2sleep10-21swapper/123:01:351
298092770,2sleep10-21swapper/121:15:441
146432770,2sleep214642-21bash00:19:472
189012750,2sleep20-21swapper/221:54:122
1963727432,12sleep20-21swapper/219:07:532
220942730,1sleep30-21swapper/323:09:473
213722730,1sleep021336-21sshd21:50:370
18282670,4sleep32006599cyclictest00:06:453
241342600,3sleep22006499cyclictest23:50:502
143672570,0sleep114368-21bash21:10:231
53502530,0sleep25349-21bash23:15:222
28212430,1sleep22820-21bash23:55:432
1963024235,4sleep00-21swapper/019:07:470
99492370,4sleep30-21swapper/323:34:393
184542290,1sleep30-21swapper/321:43:313
296932280,26sleep1144650irq/27-eth021:59:081
310752270,1sleep10-21swapper/100:32:481
245152270,1sleep20-21swapper/222:01:572
41142261,23sleep128950irq/26-ahci[00000:22:191
190772260,1sleep20-21swapper/200:31:212
99752250,4sleep12006399cyclictest00:04:111
2006399250,23cyclictest11285-21grep20:00:261
139852250,23sleep1144650irq/27-eth000:19:431
305642240,1sleep02024-21nfsd23:59:050
274242240,6sleep10-21swapper/123:36:381
250912242,20sleep2144650irq/27-eth023:03:092
238472240,3sleep10-21swapper/122:26:521
93102230,1sleep09306-21sshd00:15:160
268752230,2sleep10-21swapper/123:06:441
242512230,0sleep00-21swapper/022:26:560
192772230,2sleep119279-21bash22:40:441
68792220,19sleep2144650irq/27-eth022:42:572
258472220,20sleep3144650irq/27-eth023:51:043
20064992211,3cyclictest3113-21sshd21:30:462
197922210,1sleep00-21swapper/021:43:400
143952210,18sleep1144650irq/27-eth023:12:351
230872200,2sleep20-21swapper/223:46:492
20065992011,7cyclictest0-21swapper/323:38:203
2006499206,2cyclictest0-21swapper/220:02:162
118572200,2sleep30-21swapper/300:26:413
5582190,2sleep30-21swapper/300:03:093
296012190,1sleep10-21swapper/100:28:521
255702190,17sleep3144650irq/27-eth023:25:193
20065991911,4cyclictest0-21swapper/323:18:423
2006599190,5cyclictest10323-21sshd22:25:223
2006599190,4cyclictest0-21swapper/322:56:573
2006599190,17cyclictest30411-21sshd00:36:113
2006599190,12cyclictest5055-21sshd00:18:363
2006499198,3cyclictest0-21swapper/222:46:502
2006499198,3cyclictest0-21swapper/222:46:492
2006499192,10cyclictest21872-21sshd00:35:172
2006499191,2cyclictest0-21swapper/222:05:312
114982190,17sleep1144650irq/27-eth021:49:431
114792190,2sleep02006299cyclictest22:43:260
2006599180,16cyclictest23604-21sshd21:54:473
2006599180,12cyclictest28800-21sshd23:21:433
2006499183,4cyclictest144650irq/27-eth023:23:592
2006499182,12cyclictest17758-21sshd21:21:312
2006499181,5cyclictest25-21rcuop/122:31:562
2006499181,2cyclictest0-21swapper/221:27:222
2006399180,6cyclictest0-21swapper/122:35:291
38772170,15sleep3144650irq/27-eth021:56:063
267242170,3sleep30-21swapper/321:19:063
2006599178,4cyclictest13992-21sshd22:36:453
2006599174,4cyclictest144650irq/27-eth022:05:253
2006599170,3cyclictest0-21swapper/321:09:063
2006599170,12cyclictest13754-21sshd21:49:563
2006499178,2cyclictest0-21swapper/220:21:022
2006499172,14cyclictest10975-21sshd22:21:552
2006499172,13cyclictest1363-21tr20:50:152
2006499172,13cyclictest1363-21tr20:50:152
2006499172,10cyclictest0-21swapper/221:49:032
2006499171,8cyclictest19551-21id21:18:192
2006499171,8cyclictest11663-21sshd00:00:332
20064991712,4cyclictest32271-21sshd23:29:472
20064991712,4cyclictest3125-21sshd21:37:582
2006499171,15cyclictest0-21swapper/223:31:592
2006499170,11cyclictest27458-21sshd23:40:152
2006399178,4cyclictest9461-21sshd23:45:151
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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