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2026-09-01 - 00:55
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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 Aug 31, 2026 12:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
24251997633,0cyclictest0-21swapper/609:52:506
24223997670,4cyclictest7324-21cp09:52:492
24236997534,40cyclictest721-21dbus-daemon09:52:504
178312720,2sleep22422399cyclictest11:34:482
173012710,0sleep60-21swapper/609:15:406
2383625328,9sleep00-21swapper/007:02:180
24216995016,16cyclictest0-21swapper/109:52:501
214152490,0sleep50-21swapper/512:05:435
144552490,0sleep114450-21sshd09:24:321
144552490,0sleep114450-21sshd09:24:321
144462490,2sleep52424499cyclictest11:49:095
226922480,2sleep32422999cyclictest11:58:363
183982480,1sleep1464-21systemd-journal11:07:321
183982480,1sleep1464-21systemd-journal11:07:321
56362470,0sleep70-21swapper/712:17:387
48262470,1sleep04822-21bash12:26:360
319912470,0sleep131988-21sshd11:46:251
278172470,0sleep227816-21sshd09:57:332
217582470,0sleep60-21swapper/609:46:246
260262460,0sleep20-21swapper/212:15:092
147422460,1sleep714722-21sshd09:37:037
34212450,0sleep10-21swapper/112:30:141
154642450,0sleep40-21swapper/411:18:164
163112440,1sleep016309-21grepconf.sh11:52:480
150042440,0sleep20-21swapper/210:23:442
134672440,0sleep50-21swapper/509:26:125
208422430,0sleep60-21swapper/610:00:416
181322430,0sleep218125-21sshd10:40:182
89162420,0sleep60-21swapper/607:35:076
258492420,0sleep40-21swapper/409:21:314
258492420,0sleep40-21swapper/409:21:314
2426399420,42cyclictest32201-21kworker/7:209:52:507
177992420,0sleep70-21swapper/712:32:527
119792420,0sleep50-21swapper/511:38:045
11892420,0sleep5551rcuc/510:31:565
300722410,1sleep330065-21sshd12:06:133
2388324130,8sleep70-21swapper/707:02:587
225552410,0sleep60-21swapper/608:55:066
198322410,0sleep00-21swapper/009:28:230
36172400,0sleep00-21swapper/012:17:310
2403624027,9sleep20-21swapper/207:05:012
2394624029,8sleep30-21swapper/307:03:503
2385424027,9sleep50-21swapper/507:02:315
2376424027,9sleep40-21swapper/407:01:184
184362400,0sleep20-21swapper/210:27:282
76962390,0sleep30-21swapper/312:23:113
25862390,0sleep20-21swapper/209:09:352
2373423923,13sleep10-21swapper/107:00:511
2372123926,9sleep60-21swapper/607:00:406
237132390,0sleep30-21swapper/312:15:023
315122380,0sleep00-21swapper/010:46:250
147072380,0sleep614706-21sshd12:10:486
106392380,0sleep5551rcuc/509:49:275
38352370,0sleep10-21swapper/109:13:111
24212993737,0cyclictest15376-21kworker/0:109:52:500
60242350,0sleep60-21swapper/612:21:146
16122350,2sleep62425199cyclictest11:08:256
16122350,2sleep62425199cyclictest11:08:256
2424499340,33cyclictest16326-21kworker/u16:009:52:505
228182340,0sleep2321ktimersoftd/209:28:332
136372320,0sleep50-21swapper/512:30:425
194962310,0sleep30-21swapper/311:14:553
2424499238,3cyclictest57-21ksoftirqd/511:29:145
2424499238,2cyclictest57-21ksoftirqd/511:15:515
2424499225,2cyclictest57-21ksoftirqd/510:14:335
2424499218,1cyclictest57-21ksoftirqd/511:06:145
2424499218,1cyclictest57-21ksoftirqd/511:06:145
24244992110,3cyclictest57-21ksoftirqd/512:03:135
24244992110,3cyclictest57-21ksoftirqd/512:03:135
276812200,0sleep40-21swapper/412:07:584
2424499209,1cyclictest57-21ksoftirqd/510:05:165
2424499207,4cyclictest57-21ksoftirqd/510:22:385
2424499206,1cyclictest57-21ksoftirqd/510:57:445
2424499203,3cyclictest57-21ksoftirqd/509:40:225
24244992012,6cyclictest57-21ksoftirqd/509:06:535
292882190,0sleep00-21swapper/010:29:590
2424499198,1cyclictest57-21ksoftirqd/512:28:565
2424499197,3cyclictest57-21ksoftirqd/512:15:265
2424499197,1cyclictest57-21ksoftirqd/510:19:195
2424499196,3cyclictest57-21ksoftirqd/511:00:185
2424499196,1cyclictest57-21ksoftirqd/511:55:095
2424499195,1cyclictest57-21ksoftirqd/510:35:215
24244991916,3cyclictest57-21ksoftirqd/511:21:285
24244991915,1cyclictest57-21ksoftirqd/510:51:285
24244991914,1cyclictest57-21ksoftirqd/509:21:535
24244991914,1cyclictest57-21ksoftirqd/509:21:535
24229991918,1cyclictest0-21swapper/309:52:503
189912190,0sleep60-21swapper/610:47:356
2424499185,3cyclictest57-21ksoftirqd/510:28:475
2424499185,1cyclictest57-21ksoftirqd/511:14:395
2424499183,2cyclictest57-21ksoftirqd/510:47:165
24244991815,2cyclictest57-21ksoftirqd/511:50:395
24251991715,2cyclictest21047-21sshd10:51:176
2424499178,3cyclictest57-21ksoftirqd/512:12:185
2424499176,1cyclictest57-21ksoftirqd/511:30:285
2424499175,1cyclictest57-21ksoftirqd/509:59:195
2424499174,3cyclictest57-21ksoftirqd/510:40:345
2424499173,2cyclictest57-21ksoftirqd/509:38:075
24244991715,1cyclictest57-21ksoftirqd/509:30:465
24244991715,1cyclictest57-21ksoftirqd/509:18:095
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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