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2026-04-06 - 20:35
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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 Mon Apr 06, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
310992560,0sleep10-21swapper/112:36:361
82982540,0sleep20-21swapper/210:55:032
154882540,0sleep30-21swapper/310:27:403
278362530,0sleep027733-21sshd10:53:570
96362520,0sleep0111rcuc/010:02:190
123632520,1sleep212366-21bash10:30:122
240932510,0sleep30-21swapper/310:00:453
225402500,0sleep20-21swapper/209:46:592
108932490,0sleep20-21swapper/209:59:452
81452480,0sleep20-21swapper/212:34:402
218012480,0sleep10-21swapper/112:02:311
145572480,0sleep00-21swapper/012:04:420
294512470,1sleep0649-21polkitd10:15:040
144202470,0sleep00-21swapper/010:10:550
303062460,0sleep10-21swapper/109:30:231
194642460,0sleep00-21swapper/010:05:500
242842450,0sleep20-21swapper/210:39:422
242842450,0sleep20-21swapper/210:39:412
158552400,2sleep2401899cyclictest11:28:512
112152360,0sleep20-21swapper/209:40:292
376923524,7sleep00-21swapper/007:08:210
37162287,7sleep10-21swapper/107:07:411
219542240,1sleep0111rcuc/011:37:390
389722210,7sleep30-21swapper/307:09:553
256822220,0sleep20-21swapper/208:00:142
209422220,0sleep10-21swapper/109:35:511
355922110,6sleep20-21swapper/207:05:412
256372210,0sleep20-21swapper/211:18:392
149732210,1sleep1674-21dbus-daemon10:36:001
149732210,1sleep1674-21dbus-daemon10:35:591
127642200,0sleep20-21swapper/211:59:002
4014991918,0cyclictest24383-21lspci11:15:411
188142190,1sleep318730-21sshd11:40:113
114972180,0sleep30-21swapper/309:32:063
4014991716,0cyclictest7635-21lspci11:55:431
296842170,0sleep30-21swapper/309:36:373
19212170,1sleep233-21ksoftirqd/210:15:262
4014991615,0cyclictest27648-21lspci11:51:561
4014991615,0cyclictest241ktimersoftd/110:54:561
275162160,0sleep20-21swapper/212:36:162
181072160,4sleep118104-21lspci12:29:591
4014991515,0cyclictest7697-21kworker/1:109:58:431
4014991515,0cyclictest29443-21kworker/1:010:03:451
4014991514,0cyclictest28194-21lspci11:02:151
401499151,12cyclictest674-21dbus-daemon10:40:051
401499151,12cyclictest674-21dbus-daemon10:40:041
154592150,0sleep015445-21cp11:28:490
56002140,0sleep35598-21bash10:21:163
401499143,3cyclictest25-21ksoftirqd/110:31:351
4014991414,0cyclictest16945-21kworker/1:109:27:211
226742140,0sleep00-21swapper/010:22:450
141682140,1sleep0101ktimersoftd/012:24:060
115382140,1sleep3401ktimersoftd/311:39:343
10772140,1sleep21059-21sshd11:52:272
88572130,0sleep00-21swapper/010:41:040
88572130,0sleep00-21swapper/010:41:030
49422130,1sleep04922-21sshd09:40:030
4024991311,1cyclictest7567-21sshd09:45:403
4014991312,1cyclictest19231-21kworker/1:009:11:551
4014991312,0cyclictest28417-21kworker/1:011:41:091
4007991311,1cyclictest0-21swapper/012:14:070
400799130,1cyclictest15636-21sshd12:26:560
400799130,12cyclictest21317-21lspci10:56:060
286682130,0sleep30-21swapper/311:07:503
106342130,0sleep10-21swapper/111:36:391
73282120,0sleep20-21swapper/209:15:582
402499120,1cyclictest27775-21kworker/u8:210:48:203
402499120,1cyclictest13374-21lspci09:51:403
402499120,11cyclictest698-21gdbus12:14:203
402499120,11cyclictest674-21dbus-daemon11:24:303
402499120,11cyclictest0-21swapper/312:29:303
402499120,11cyclictest0-21swapper/312:06:513
4018991210,1cyclictest7744-21sshd10:21:272
4018991210,1cyclictest2634-21lspci09:34:252
401899120,1cyclictest21086-21sshd11:20:572
401899120,1cyclictest20641-21sshd10:00:272
401899120,11cyclictest0-21swapper/209:51:172
401499122,1cyclictest25-21ksoftirqd/110:08:141
4014991212,0cyclictest6873-21kworker/1:411:11:111
4014991212,0cyclictest22023-21kworker/1:209:20:461
4014991212,0cyclictest16987-21kworker/1:010:26:081
4014991211,1cyclictest22003-21kworker/1:110:59:031
4014991211,0cyclictest18246-21kworker/1:410:14:001
4014991211,0cyclictest14928-21kworker/1:011:32:101
4014991210,1cyclictest25-21ksoftirqd/111:49:081
4014991210,1cyclictest25-21ksoftirqd/110:47:581
401499120,1cyclictest29940-21sshd12:30:541
401499120,11cyclictest0-21swapper/108:15:141
400799120,1cyclictest0-21swapper/011:45:070
400799120,1cyclictest0-21swapper/009:51:060
284862120,1sleep2699-21gdbus12:05:492
186312120,2sleep3402499cyclictest10:16:513
402499119,1cyclictest29148-21sshd12:19:503
4024991110,0cyclictest0-21swapper/309:13:093
402499110,10cyclictest0-21swapper/311:51:203
402499110,10cyclictest0-21swapper/311:49:203
401899119,1cyclictest33-21ksoftirqd/212:30:002
401899119,1cyclictest15186-21sshd11:01:072
401899110,10cyclictest21829-21bash12:10:472
401899110,10cyclictest0-21swapper/212:01:172
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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