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2026-06-23 - 16:28
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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 Tue Jun 23, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
161882940,0sleep10-21swapper/112:00:171
244802880,2sleep31949599cyclictest10:47:223
244802880,2sleep31949599cyclictest10:47:223
209852780,0sleep40-21swapper/411:19:434
212152760,2sleep71953099cyclictest12:10:087
205012740,2sleep41950799cyclictest11:15:504
41142690,1sleep41950799cyclictest12:30:554
170402680,1sleep41950799cyclictest12:19:504
1912425241,8sleep50-21swapper/507:04:465
313782510,0sleep10-21swapper/112:36:211
1911025127,8sleep00-21swapper/007:04:330
215652500,0sleep60-21swapper/609:42:466
199802500,0sleep70-21swapper/710:25:247
1900625027,8sleep30-21swapper/307:03:083
191422490,0sleep30-21swapper/310:17:433
108752490,1sleep773-21ksoftirqd/710:36:377
88822480,0sleep00-21swapper/010:52:080
8002460,0sleep7806-21kworker/u16:410:37:577
310222460,0sleep40-21swapper/410:33:544
50122450,1sleep21948799cyclictest09:47:382
30532450,0sleep31949599cyclictest12:11:003
296462450,1sleep529607-21sshd12:16:385
4632440,0sleep5551rcuc/512:18:475
315192440,0sleep00-21swapper/011:39:490
227002440,0sleep222690-21sshd09:13:422
184192430,0sleep20-21swapper/211:13:482
128162430,0sleep40-21swapper/411:11:424
124822430,0sleep50-21swapper/512:35:135
115992430,1sleep011595-21systemd09:36:230
77462420,1sleep47747-21bash10:52:044
324822420,1sleep21-21systemd12:14:512
287512420,0sleep00-21swapper/010:20:120
1930424230,9sleep70-21swapper/707:07:137
164482420,2sleep21948799cyclictest10:40:482
139982420,2sleep61952299cyclictest12:09:436
35712410,0sleep00-21swapper/009:30:060
247422410,0sleep10-21swapper/111:43:111
246792410,0sleep10-21swapper/110:31:341
10222410,1sleep61016-21sshd09:20:036
1921924028,9sleep20-21swapper/207:06:042
177662400,0sleep10-21swapper/109:32:561
134342400,0sleep10-21swapper/110:05:311
231432390,0sleep20-21swapper/210:15:582
1924923927,8sleep10-21swapper/107:06:271
131742390,0sleep30-21swapper/312:03:553
84002380,0sleep20-21swapper/212:01:462
299612380,0sleep40-21swapper/411:24:074
1908523827,8sleep60-21swapper/607:04:156
183192380,2sleep51951699cyclictest12:09:585
1686823825,9sleep40-21swapper/407:02:454
92132350,0sleep10-21swapper/112:11:221
19516992310,1cyclictest57-21ksoftirqd/510:50:405
1951699228,2cyclictest57-21ksoftirqd/512:00:065
19516992211,3cyclictest57-21ksoftirqd/509:53:315
19495992117,1cyclictest41-21ksoftirqd/309:07:553
1951699209,3cyclictest57-21ksoftirqd/509:59:085
1951699202,2cyclictest32250-21systemd11:02:585
19516992011,3cyclictest57-21ksoftirqd/510:14:045
19516992010,1cyclictest57-21ksoftirqd/511:38:595
1950799207,3cyclictest49-21ksoftirqd/410:28:294
1950799205,1cyclictest49-21ksoftirqd/409:34:044
1949599205,3cyclictest41-21ksoftirqd/312:37:303
19495992012,3cyclictest41-21ksoftirqd/309:20:443
19495992011,1cyclictest41-21ksoftirqd/309:23:003
1951699199,3cyclictest57-21ksoftirqd/509:18:365
1951699198,1cyclictest57-21ksoftirqd/512:25:395
1951699198,1cyclictest57-21ksoftirqd/509:45:485
19516991913,3cyclictest57-21ksoftirqd/511:16:135
19516991910,1cyclictest57-21ksoftirqd/511:52:395
1951699191,4cyclictest57-21ksoftirqd/510:29:425
1951699191,1cyclictest10643-21sshd09:47:575
1951699190,2cyclictest57-21ksoftirqd/510:10:565
19507991915,3cyclictest49-21ksoftirqd/410:59:554
19495991917,2cyclictest41-21ksoftirqd/309:43:023
19495991917,1cyclictest41-21ksoftirqd/310:16:573
19495991914,4cyclictest41-21ksoftirqd/312:20:363
54502180,1sleep233-21ksoftirqd/209:37:532
54502180,1sleep233-21ksoftirqd/209:37:532
1953099182,0cyclictest0-21swapper/710:00:357
19522991816,1cyclictest65-21ksoftirqd/609:58:356
1951699189,3cyclictest57-21ksoftirqd/509:15:375
1951699187,4cyclictest57-21ksoftirqd/511:22:485
1951699187,3cyclictest57-21ksoftirqd/511:37:315
1951699186,4cyclictest57-21ksoftirqd/509:28:455
1951699180,3cyclictest57-21ksoftirqd/510:22:555
1951699180,1cyclictest0-21swapper/511:46:555
1950799185,2cyclictest49-21ksoftirqd/412:09:364
1950799183,1cyclictest49-21ksoftirqd/409:21:324
19507991816,1cyclictest49-21ksoftirqd/411:41:034
19507991816,1cyclictest49-21ksoftirqd/411:35:364
19507991815,3cyclictest49-21ksoftirqd/410:00:354
19507991814,1cyclictest49-21ksoftirqd/409:57:364
1949599189,1cyclictest41-21ksoftirqd/312:26:343
1949599183,1cyclictest41-21ksoftirqd/310:50:503
19495991817,1cyclictest41-21ksoftirqd/309:56:003
19495991816,1cyclictest41-21ksoftirqd/310:53:423
19495991816,1cyclictest41-21ksoftirqd/309:49:193
19495991814,1cyclictest464-21systemd-journal11:08:493
19495991814,1cyclictest41-21ksoftirqd/311:48:003
19495991813,2cyclictest41-21ksoftirqd/310:39:023
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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