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2026-05-19 - 19:17
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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 rack2slot0.osadl.org (updated Tue May 19, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
223842940,0sleep022346-21sshd12:19:050
164402740,0sleep00-21swapper/011:49:480
28912720,0sleep20-21swapper/211:25:562
82952560,0sleep10-21swapper/110:19:371
277982540,0sleep10-21swapper/109:22:391
21672540,1sleep21073-21nfsd12:08:292
185092530,0sleep00-21swapper/011:18:570
305792520,0sleep10-21swapper/110:52:061
236572520,1sleep323652-21bash09:14:193
92912510,1sleep19290-21sshd11:32:071
73772510,0sleep10-21swapper/112:32:311
319312510,0sleep00-21swapper/010:52:140
205782510,0sleep20-21swapper/210:42:582
156182510,1sleep315616-21lspci09:46:513
105902510,0sleep00-21swapper/012:23:530
77162500,0sleep20-21swapper/211:37:382
315512500,0sleep20-21swapper/212:02:282
142282500,0sleep20-21swapper/210:39:422
101012500,0sleep30-21swapper/309:54:443
327152490,0sleep10-21swapper/112:37:491
166752490,0sleep3391rcuc/309:29:133
252552460,2sleep0200499cyclictest11:36:190
197652460,0sleep30-21swapper/310:23:253
69112400,1sleep06908-21sshd10:08:190
261382400,0sleep2321ktimersoftd/211:08:252
151942390,0sleep30-21swapper/309:44:083
160323721,6sleep00-21swapper/007:06:390
92923516,14sleep10-21swapper/107:05:161
18332308,7sleep30-21swapper/307:09:153
16292298,7sleep20-21swapper/207:06:572
84422210,0sleep38436-21sshd11:15:153
84892190,1sleep1231rcuc/109:51:461
96382180,1sleep39636-21lspci09:16:283
10082180,0sleep10-21swapper/111:11:481
97232170,1sleep029977-21packagekitd10:14:090
324422170,1sleep332445-21bash09:34:343
233112160,0sleep10-21swapper/112:13:181
102172160,0sleep10-21swapper/110:44:531
74862150,0sleep20-21swapper/209:20:102
210612150,0sleep2311rcuc/211:50:122
208352150,0sleep320841-21bash12:04:253
183492150,1sleep2311rcuc/212:39:302
131792150,0sleep00-21swapper/012:30:060
95022140,1sleep09503-21bash11:23:450
24272140,0sleep0111rcuc/010:44:120
20372140,0sleep30-21swapper/311:57:013
20372140,0sleep30-21swapper/311:57:003
94902130,0sleep20-21swapper/209:16:272
76002130,0sleep10-21swapper/111:54:431
54632130,0sleep00-21swapper/009:23:540
309852130,0sleep10-21swapper/111:06:001
230002130,0sleep10-21swapper/111:55:581
230002130,0sleep10-21swapper/111:55:581
2021991311,1cyclictest649-21polkitd12:09:023
202199130,12cyclictest0-21swapper/312:19:423
195272130,0sleep00-21swapper/009:33:270
2021991211,0cyclictest29409-21sshd12:31:323
202199120,1cyclictest28074-21sshd09:59:033
202199120,11cyclictest0-21swapper/311:06:523
201599120,11cyclictest623-17sedispatch10:28:032
2009991210,1cyclictest7333-21bash12:23:341
200999120,1cyclictest1073-21nfsd12:06:341
200499120,1cyclictest28836-21lspci12:28:350
200499120,11cyclictest674-21dbus-daemon11:14:140
202199119,1cyclictest12785-21lspci09:35:323
202199119,1cyclictest1-21systemd11:21:323
202199119,1cyclictest10440-21sshd11:46:223
2021991110,0cyclictest0-21swapper/312:27:123
202199110,1cyclictest8823-21lspci10:11:123
202199110,1cyclictest12067-21grepconf.sh12:35:533
202199110,10cyclictest0-21swapper/312:12:133
201599119,1cyclictest9575-21sshd10:33:432
201599119,1cyclictest642-21systemd-logind09:38:332
201599119,1cyclictest31276-21sshd11:17:132
2015991110,0cyclictest3918-21sshd11:20:232
2015991110,0cyclictest0-21swapper/209:55:542
201599110,10cyclictest0-21swapper/211:40:532
201599110,0cyclictest0-21swapper/210:12:242
201599110,0cyclictest0-21swapper/209:50:432
200999110,1cyclictest9518-21lspci12:03:251
200999110,1cyclictest26502-21sshd10:26:441
200999110,1cyclictest19999-21sshd11:19:051
200999110,10cyclictest24675-21sshd11:22:141
200999110,10cyclictest0-21swapper/110:37:151
200999110,10cyclictest0-21swapper/109:36:341
200999110,10cyclictest0-21swapper/109:32:251
200999110,0cyclictest16400-21sshd10:59:141
200999110,0cyclictest0-21swapper/109:14:041
200499119,1cyclictest10077-21bash11:57:440
200499119,1cyclictest10077-21bash11:57:440
2004991110,0cyclictest0-21swapper/011:50:350
200499110,10cyclictest0-21swapper/012:37:140
200499110,10cyclictest0-21swapper/012:06:040
200499110,10cyclictest0-21swapper/010:32:440
200499110,10cyclictest0-21swapper/010:03:150
200499110,10cyclictest0-21swapper/009:58:540
200499110,10cyclictest0-21swapper/009:17:540
202199109,0cyclictest0-21swapper/311:37:433
202199109,0cyclictest0-21swapper/310:56:323
202199109,0cyclictest0-21swapper/309:20:423
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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