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2026-05-03 - 00:41
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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 rack3slot0.osadl.org (updated Sat May 02, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
143569910451,53cyclictest0-21swapper/410:36:504
154032970,2sleep51436899cyclictest09:30:375
307252950,0sleep50-21swapper/511:18:425
226912830,1sleep622689-21sshd12:37:486
307252760,2sleep71438299cyclictest10:52:177
14375996966,2cyclictest663-21in:imjournal10:36:496
14368996238,23cyclictest28490-21bash10:36:495
37162570,0sleep00-21swapper/010:44:570
206562560,1sleep6721-21dbus-daemon10:21:246
151892540,1sleep7758-21runrttasks09:21:107
241632520,0sleep524161-21sshd10:10:265
259002500,1sleep725901-21grep09:34:567
188152500,1sleep1231rcuc/110:15:421
1219925028,17sleep60-21swapper/607:04:496
239662490,0sleep223969-21systemd-cgroups10:08:392
176082490,0sleep40-21swapper/411:52:054
89052480,0sleep40-21swapper/410:31:554
38872480,0sleep2709-21systemd-logind10:18:402
282462480,9sleep685150irq/25-em1-rx-011:47:026
240812480,1sleep424083-21grepconf.sh11:40:594
177172480,0sleep717716-21systemd-cgroups11:46:237
1398024845,1sleep70-21swapper/707:06:437
123392480,0sleep20-21swapper/209:24:502
247612470,0sleep00-21swapper/009:33:050
56092460,0sleep40-21swapper/409:24:284
143762460,1sleep6464-21systemd-journal10:13:396
133542460,0sleep1231rcuc/111:08:131
33082450,0sleep40-21swapper/412:27:134
274772450,0sleep30-21swapper/312:28:403
153822450,0sleep00-21swapper/011:59:290
1415824533,9sleep30-21swapper/307:09:113
239472430,0sleep60-21swapper/610:17:566
204872430,0sleep00-21swapper/012:28:130
94202420,0sleep20-21swapper/211:23:032
94202420,0sleep20-21swapper/211:23:032
55702420,2sleep51436899cyclictest12:19:455
261282420,1sleep226129-21grep11:58:112
258112420,0sleep20-21swapper/210:34:502
157722410,0sleep60-21swapper/609:23:096
141952410,0sleep50-21swapper/512:31:385
1419424128,9sleep00-21swapper/007:09:320
1396824124,8sleep40-21swapper/407:06:314
281182400,1sleep773-21ksoftirqd/712:36:137
222722400,0sleep40-21swapper/410:21:304
199322400,0sleep70-21swapper/710:30:387
181422400,2sleep01432599cyclictest09:11:420
142812400,0sleep60-21swapper/611:32:526
1395624028,9sleep50-21swapper/507:06:245
10322400,0sleep10-21swapper/111:41:361
1406023928,8sleep20-21swapper/207:07:502
1136923926,8sleep10-21swapper/107:04:361
84092370,0sleep30-21swapper/309:16:583
15462370,2sleep51436899cyclictest12:08:075
13162370,0sleep3758-21runrttasks10:20:173
177642360,0sleep60-21swapper/609:32:386
14382993613,22cyclictest0-21swapper/710:36:497
14325993534,1cyclictest20670-21kworker/0:310:36:500
215962340,0sleep30-21swapper/310:40:193
1434899330,32cyclictest1843-21nfsd10:36:493
1433299267,18cyclictest28548-21sshd10:36:491
1435699240,4cyclictest0-21swapper/409:49:024
278482230,0sleep60-21swapper/611:20:196
278482230,0sleep60-21swapper/611:20:196
1435699232,4cyclictest0-21swapper/411:56:314
1435699231,4cyclictest0-21swapper/412:19:464
1433299239,2cyclictest25-21ksoftirqd/110:46:021
14332992313,5cyclictest25-21ksoftirqd/109:49:021
14332992312,3cyclictest25-21ksoftirqd/112:33:561
14332992310,1cyclictest25-21ksoftirqd/109:39:391
1435699225,6cyclictest709-21systemd-logind11:20:314
1435699225,6cyclictest709-21systemd-logind11:20:314
1435699221,4cyclictest0-21swapper/410:28:574
1433299229,3cyclictest25-21ksoftirqd/109:53:311
1433299228,1cyclictest25-21ksoftirqd/110:54:161
1433299227,1cyclictest25-21ksoftirqd/110:11:471
1435699212,4cyclictest19547-21systemd12:31:574
1435699210,3cyclictest1-21systemd11:36:434
1433299217,3cyclictest25-21ksoftirqd/109:32:591
1433299216,2cyclictest25-21ksoftirqd/111:14:191
1433299214,3cyclictest25-21ksoftirqd/111:03:061
1435699204,3cyclictest21229-21bash12:05:264
1435699203,6cyclictest14787-21systemd-cgroups10:19:184
1435699203,4cyclictest15902-21sshd10:00:404
1435699203,3cyclictest20377-21kill11:16:094
1435699200,6cyclictest23595-21grepconf.sh11:44:504
1435699200,4cyclictest31993-21grep12:13:424
1433299209,1cyclictest25-21ksoftirqd/110:03:291
1433299208,5cyclictest25-21ksoftirqd/109:13:121
1433299208,2cyclictest25-21ksoftirqd/112:04:291
1433299202,3cyclictest25-21ksoftirqd/112:22:471
30122190,0sleep60-21swapper/611:18:596
1435699194,3cyclictest28826-21systemd09:12:274
1435699193,6cyclictest3909-21systemd11:11:244
1435699190,6cyclictest721-21dbus-daemon10:51:034
1433299197,1cyclictest25-21ksoftirqd/111:28:591
1433299195,1cyclictest25-21ksoftirqd/110:44:181
1433299195,1cyclictest25-21ksoftirqd/110:19:481
1433299193,1cyclictest25-21ksoftirqd/112:08:481
14375991816,1cyclictest65-21ksoftirqd/610:34:356
1435699184,2cyclictest10930-21sd-pam11:06:094
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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