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2026-07-13 - 15:16
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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 Mon Jul 13, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
192059913992,47cyclictest25-21ksoftirqd/110:14:461
19225999897,1cyclictest1843-21nfsd10:14:467
252782670,1sleep0721-21dbus-daemon11:23:020
1921799657,52cyclictest10600-21kworker/u16:410:14:466
1897925239,9sleep30-21swapper/307:05:433
165232510,0sleep341-21ksoftirqd/312:13:273
1884625026,9sleep50-21swapper/507:03:535
292092490,0sleep729190-21sshd11:05:157
303252480,1sleep730328-21bash12:19:487
292142480,0sleep229213-21systemd-cgroups09:49:252
226872480,1sleep222655-21bash09:58:062
208372480,1sleep620836-21sshd10:17:496
208032480,1sleep420802-21grep10:37:334
1888524836,9sleep40-21swapper/407:04:244
1886624826,18sleep70-21swapper/707:04:117
153742480,0sleep40-21swapper/410:46:224
239222460,3sleep123903-21cp12:02:521
158922460,0sleep50-21swapper/511:37:015
32962450,0sleep40-21swapper/411:23:384
182932450,1sleep5721-21dbus-daemon12:09:535
84982440,0sleep40-21swapper/412:33:074
80842440,0sleep30-21swapper/312:27:373
8022440,1sleep1799-21sshd09:35:071
59302440,0sleep2709-21systemd-logind10:54:532
53322440,0sleep00-21swapper/012:05:310
98322430,0sleep10-21swapper/110:46:031
145252430,1sleep414519-21ps09:32:134
275912420,2sleep71922599cyclictest10:43:217
112202420,0sleep60-21swapper/608:42:186
280942410,0sleep328078-21sshd11:05:113
1890224130,8sleep20-21swapper/207:04:382
135412410,0sleep20-21swapper/210:38:592
125002410,0sleep10-21swapper/109:17:371
55492400,0sleep60-21swapper/610:09:486
30262400,0sleep6631rcuc/609:20:466
1900524028,8sleep00-21swapper/007:06:050
1877024027,9sleep60-21swapper/607:02:506
76722390,0sleep60-21swapper/609:51:546
72672390,0sleep20-21swapper/210:26:102
310012390,0sleep30-21swapper/310:34:363
125002380,1sleep212499-21grep09:33:562
19210993718,19cyclictest16182-21kworker/5:210:14:465
1875623725,9sleep10-21swapper/107:02:371
77512360,2sleep21920699cyclictest11:14:552
255252360,2sleep11920599cyclictest11:23:031
1920699360,0cyclictest13550irq/24-ahci[00010:14:462
1920499360,20cyclictest30000-21sshd10:14:460
1920899310,1cyclictest0-21swapper/410:14:464
1920799310,30cyclictest4628-21kworker/3:610:14:463
1920799268,9cyclictest5512-21grepconf.sh12:25:453
32822250,0sleep10-21swapper/110:54:441
1921099239,3cyclictest57-21ksoftirqd/509:11:055
19210992212,1cyclictest57-21ksoftirqd/512:33:065
1921099218,3cyclictest57-21ksoftirqd/510:21:125
19210992117,3cyclictest57-21ksoftirqd/509:25:075
19210992114,4cyclictest57-21ksoftirqd/510:06:025
87072200,0sleep30-21swapper/312:36:503
1921099207,4cyclictest57-21ksoftirqd/509:28:085
1921099207,2cyclictest57-21ksoftirqd/509:18:505
1921099206,3cyclictest57-21ksoftirqd/509:13:235
1921099204,3cyclictest57-21ksoftirqd/511:30:365
19210992017,3cyclictest57-21ksoftirqd/508:35:445
19210992011,2cyclictest57-21ksoftirqd/509:31:565
236102190,0sleep40-21swapper/410:10:504
1921099198,1cyclictest57-21ksoftirqd/510:40:585
1921099197,1cyclictest57-21ksoftirqd/509:42:085
19210991915,3cyclictest670-21rs:main5
19210991914,4cyclictest57-21ksoftirqd/511:00:155
19210991914,3cyclictest57-21ksoftirqd/512:21:365
19210991914,1cyclictest57-21ksoftirqd/512:25:135
19210991912,6cyclictest57-21ksoftirqd/510:55:595
19210991912,4cyclictest57-21ksoftirqd/511:50:455
1921099191,2cyclictest57-21ksoftirqd/512:04:035
1921099191,1cyclictest131rcu_sched10:47:035
223642180,0sleep30-21swapper/310:17:543
1921099185,3cyclictest57-21ksoftirqd/512:15:145
1921099182,3cyclictest57-21ksoftirqd/511:33:385
1921099182,3cyclictest57-21ksoftirqd/510:23:125
1921099182,1cyclictest57-21ksoftirqd/511:23:265
19210991815,3cyclictest57-21ksoftirqd/511:56:445
19210991815,2cyclictest57-21ksoftirqd/509:55:585
19210991814,1cyclictest57-21ksoftirqd/510:27:325
19210991812,4cyclictest57-21ksoftirqd/510:32:255
19210991812,3cyclictest57-21ksoftirqd/512:01:555
1921099175,3cyclictest57-21ksoftirqd/509:47:355
1921099174,3cyclictest57-21ksoftirqd/511:46:115
19210991715,1cyclictest57-21ksoftirqd/511:03:105
19210991714,3cyclictest57-21ksoftirqd/511:07:075
19210991713,4cyclictest57-21ksoftirqd/508:06:065
19210991713,3cyclictest57-21ksoftirqd/510:43:365
19210991713,3cyclictest57-21ksoftirqd/510:09:535
19210991713,1cyclictest57-21ksoftirqd/509:57:595
19206991715,2cyclictest33-21ksoftirqd/209:37:142
286582160,1sleep128660-21bash12:27:031
253292160,0sleep60-21swapper/609:34:406
236192160,0sleep70-21swapper/710:55:547
19225991614,1cyclictest73-21ksoftirqd/711:15:407
1921099162,2cyclictest57-21ksoftirqd/511:16:065
19210991612,3cyclictest57-21ksoftirqd/512:27:145
1921099160,1cyclictest1-21systemd09:37:145
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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