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2026-09-03 - 14:30
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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 Thu Sep 03, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
115162620,0sleep50-21swapper/509:44:045
1802425847,8sleep30-21swapper/307:03:403
247652570,0sleep20-21swapper/211:52:402
34282550,1sleep23432-21bash10:28:462
1791025329,8sleep50-21swapper/507:02:055
77782500,1sleep37773-21sshd10:13:173
74082500,0sleep37409-21nfsd412:15:153
279252490,0sleep30-21swapper/311:31:103
201442480,0sleep10-21swapper/110:31:411
314712470,1sleep131431-21sshd10:10:431
192582470,1sleep665-21ksoftirqd/611:36:346
296442460,1sleep529630-21sshd09:11:525
115872460,0sleep111583-21sshd09:57:451
273822450,0sleep40-21swapper/410:47:544
224582450,0sleep422457-21sshd12:22:054
316572440,0sleep50-21swapper/512:05:005
177932440,0sleep20-21swapper/209:28:472
253432430,0sleep70-21swapper/712:04:387
1782624331,8sleep70-21swapper/707:00:557
85152420,0sleep20-21swapper/212:07:292
180162420,0sleep10-21swapper/109:15:091
1782824229,9sleep00-21swapper/007:00:560
73812410,0sleep60-21swapper/611:45:396
239312410,0sleep20-21swapper/209:40:492
231002410,0sleep40-21swapper/411:52:344
1779424128,9sleep40-21swapper/407:00:284
169582410,0sleep30-21swapper/312:02:023
162332410,0sleep10-21swapper/111:00:571
1791624029,8sleep20-21swapper/207:02:102
47052390,0sleep50-21swapper/512:28:555
311212390,0sleep50-21swapper/509:39:235
1802723928,8sleep60-21swapper/607:03:436
1796423928,8sleep10-21swapper/107:02:491
169512380,0sleep60-21swapper/609:50:146
102062380,0sleep00-21swapper/012:07:350
99182370,2sleep21831499cyclictest09:53:462
249952370,0sleep40-21swapper/409:27:134
155542360,0sleep20-21swapper/211:10:432
155542360,0sleep20-21swapper/211:10:432
105492330,0sleep60-21swapper/609:10:416
1832999276,1cyclictest49-21ksoftirqd/410:05:214
18329992511,2cyclictest49-21ksoftirqd/412:31:034
18329992411,3cyclictest49-21ksoftirqd/411:57:014
18329992411,3cyclictest49-21ksoftirqd/411:57:014
1832999237,1cyclictest49-21ksoftirqd/412:09:374
1832999234,3cyclictest49-21ksoftirqd/411:21:594
18329992310,1cyclictest49-21ksoftirqd/410:29:444
1832999229,1cyclictest49-21ksoftirqd/411:18:504
1832999229,1cyclictest49-21ksoftirqd/411:05:484
1832999224,2cyclictest49-21ksoftirqd/410:41:484
1832999219,1cyclictest49-21ksoftirqd/410:12:064
1832999218,3cyclictest49-21ksoftirqd/409:31:524
1832999218,2cyclictest49-21ksoftirqd/409:10:014
1832999218,1cyclictest49-21ksoftirqd/411:42:314
1832999218,1cyclictest131rcu_sched09:06:514
1832999217,1cyclictest49-21ksoftirqd/410:38:454
1832999217,1cyclictest49-21ksoftirqd/409:46:264
1832999216,3cyclictest49-21ksoftirqd/411:10:294
1832999216,3cyclictest49-21ksoftirqd/411:10:294
1832999216,1cyclictest49-21ksoftirqd/411:45:244
1832999212,2cyclictest49-21ksoftirqd/409:16:004
18329992110,1cyclictest49-21ksoftirqd/409:42:484
1832999208,3cyclictest49-21ksoftirqd/412:25:004
1832999208,3cyclictest49-21ksoftirqd/411:32:034
1832999208,1cyclictest49-21ksoftirqd/412:13:594
1832999207,3cyclictest49-21ksoftirqd/412:17:424
1832999206,3cyclictest49-21ksoftirqd/410:21:144
1832999205,1cyclictest49-21ksoftirqd/410:30:234
1832999204,3cyclictest49-21ksoftirqd/411:35:174
18329992015,3cyclictest49-21ksoftirqd/411:02:344
18329992011,1cyclictest49-21ksoftirqd/410:18:344
45902190,0sleep20-21swapper/209:45:292
287342190,1sleep128733-21grepconf.sh09:23:341
1832999197,3cyclictest49-21ksoftirqd/410:51:524
1832999196,3cyclictest49-21ksoftirqd/411:29:564
1832999195,2cyclictest49-21ksoftirqd/412:04:164
1832999193,3cyclictest49-21ksoftirqd/409:54:234
18329991917,1cyclictest49-21ksoftirqd/409:21:574
18329991917,1cyclictest471rcuc/410:00:594
309772180,1sleep130970-21sshd09:10:041
204522180,8sleep665-21ksoftirqd/610:00:156
1832999187,2cyclictest49-21ksoftirqd/410:55:454
1832999180,3cyclictest49-21ksoftirqd/409:38:414
90962170,0sleep3401ktimersoftd/311:28:063
1832999178,1cyclictest49-21ksoftirqd/409:55:044
18314991715,1cyclictest33-21ksoftirqd/209:17:572
1831499170,16cyclictest19681-21kworker/2:010:51:442
18298991710,1cyclictest1-21systemd11:03:120
96962160,2sleep51833799cyclictest11:41:535
88002160,1sleep28793-21bash10:03:312
5432160,0sleep60-21swapper/610:08:566
38732160,0sleep60-21swapper/612:03:176
246232160,2sleep71835199cyclictest11:46:447
226102160,1sleep773-21ksoftirqd/710:24:027
18337991614,1cyclictest57-21ksoftirqd/511:54:115
18337991614,1cyclictest57-21ksoftirqd/509:15:125
18337991611,1cyclictest25590-21sshd12:18:225
18314991614,2cyclictest33-21ksoftirqd/209:32:052
18314991614,1cyclictest33-21ksoftirqd/209:39:142
18314991614,1cyclictest33-21ksoftirqd/209:21:122
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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