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2026-04-12 - 23:35
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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 Sun Apr 12, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56821020,0sleep10-21swapper/111:33:061
3239121000,0sleep20-21swapper/211:02:222
259532970,2sleep01001899cyclictest12:00:160
201182610,0sleep00-21swapper/011:31:560
195272590,2sleep21002399cyclictest12:05:152
120432570,0sleep30-21swapper/311:56:153
314712550,0sleep10-21swapper/112:23:001
253082540,0sleep20-21swapper/212:00:142
45702530,0sleep34572-21lspci09:42:283
248742530,2sleep01001899cyclictest10:11:530
317972520,0sleep20-21swapper/210:40:112
278312520,1sleep020085-21kworker/0:311:38:130
278312520,1sleep020085-21kworker/0:311:38:130
265452520,2sleep326509-21sshd12:36:283
242422520,0sleep30-21swapper/311:01:393
220492520,0sleep20-21swapper/209:55:052
16402520,0sleep30-21swapper/310:23:463
63682510,0sleep10-21swapper/112:31:581
60452510,0sleep00-21swapper/009:37:050
305112510,0sleep30-21swapper/310:26:103
264422510,0sleep30-21swapper/311:10:123
247122510,0sleep00-21swapper/009:55:150
212962510,1sleep3674-21dbus-daemon10:50:183
43502500,1sleep3401ktimersoftd/312:12:173
212602500,0sleep00-21swapper/012:13:460
195562500,0sleep30-21swapper/310:41:523
127072500,0sleep10-21swapper/110:02:331
21692480,0sleep10-21swapper/112:37:101
12882480,0sleep3391rcuc/311:47:013
8842470,0sleep00-21swapper/012:17:350
26952470,0sleep00-21swapper/011:02:360
218982470,0sleep10-21swapper/112:10:591
153932470,1sleep233-21ksoftirqd/209:35:062
166982440,2sleep31002499cyclictest12:18:583
75732410,2sleep11002299cyclictest10:35:181
175602400,0sleep10-21swapper/110:25:081
203352390,0sleep120338-21bash11:59:491
957723727,6sleep20-21swapper/207:05:512
69652360,2sleep11002299cyclictest11:50:161
95582308,7sleep30-21swapper/307:05:363
95762237,4sleep10-21swapper/107:05:501
81222219,7sleep00-21swapper/007:05:090
302602210,0sleep30-21swapper/309:25:543
56392190,0sleep00-21swapper/012:20:430
50552180,0sleep10-21swapper/110:18:311
296012180,2sleep11002299cyclictest10:12:181
46312170,0sleep00-21swapper/011:13:580
290142150,0sleep129009-21bash10:34:251
283992150,0sleep30-21swapper/312:31:033
158372150,0sleep30-21swapper/312:05:003
139382150,0sleep20-21swapper/211:53:412
135952150,0sleep20-21swapper/211:09:072
79292140,0sleep00-21swapper/010:29:520
66292140,1sleep0111rcuc/012:09:460
65472140,0sleep10-21swapper/111:08:301
294002140,0sleep00-21swapper/009:44:380
269442140,0sleep10-21swapper/109:29:331
24382140,0sleep30-21swapper/309:45:053
212162140,1sleep221192-21sshd09:17:002
141762140,0sleep30-21swapper/310:58:033
10024991411,2cyclictest0-21swapper/312:22:313
10022991411,2cyclictest642-21systemd-logind10:06:011
52882130,0sleep30-21swapper/312:06:483
154532130,1sleep215450-21lspci10:16:362
10024991311,1cyclictest31977-21sshd10:48:313
1002499130,2cyclictest4566-21sshd10:01:503
10023991312,0cyclictest0-21swapper/209:29:592
1002299130,12cyclictest30248-21sshd10:45:311
1002499120,1cyclictest649-21polkitd09:21:103
10023991211,0cyclictest0-21swapper/212:24:492
1002399120,1cyclictest0-21swapper/210:20:292
1002399120,11cyclictest0-21swapper/211:31:592
10022991211,0cyclictest0-21swapper/111:47:411
10022991210,1cyclictest31361-21id09:22:111
10022991210,1cyclictest1-21systemd12:19:111
1002299120,1cyclictest23881-21rm09:17:211
1002299120,11cyclictest14694-21lspci11:14:511
10018991210,1cyclictest0-21swapper/009:54:080
1001899120,11cyclictest30539-21sshd11:52:190
72242110,0sleep30-21swapper/310:38:043
1002499119,1cyclictest20571-21lspci09:13:003
1002499110,1cyclictest17382-21sshd10:08:313
1002499110,10cyclictest0-21swapper/309:34:413
1002499110,10cyclictest0-21swapper/309:17:503
1002499110,10cyclictest0-21swapper/308:30:003
1002499110,0cyclictest0-21swapper/309:57:313
10023991110,0cyclictest0-21swapper/211:43:192
10023991110,0cyclictest0-21swapper/209:49:292
10023991110,0cyclictest0-21swapper/207:35:192
1002399110,10cyclictest0-21swapper/211:39:392
1002399110,10cyclictest0-21swapper/211:39:392
1002399110,10cyclictest0-21swapper/208:19:192
1002399110,0cyclictest0-21swapper/212:32:192
1002299119,1cyclictest723-21gdbus09:36:311
1002299119,1cyclictest1025-21in:imjournal09:12:311
1002299110,0cyclictest5460-21lspci11:02:511
1001899119,1cyclictest12756-21sshd11:56:190
10018991110,0cyclictest0-21swapper/011:08:190
1001899110,1cyclictest0-21swapper/010:42:090
1001899110,0cyclictest0-21swapper/011:20:390
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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