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2026-04-14 - 12:10
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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 rack7slot1.osadl.org (updated Tue Apr 14, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2716321320,1sleep26034-21stress21:57:262
2716321320,1sleep26034-21stress21:57:262
18306211755,56sleep20-21swapper/219:09:172
1814229250,37sleep10-21swapper/119:07:121
1827529166,20sleep30-21swapper/319:08:543
1808928254,23sleep00-21swapper/019:06:340
18465994517,17cyclictest0-21swapper/000:30:260
18465994513,20cyclictest0-21swapper/023:25:260
18465994311,21cyclictest0-21swapper/021:23:530
18465994311,21cyclictest0-21swapper/021:23:530
18465994213,19cyclictest0-21swapper/022:03:380
18465994212,20cyclictest0-21swapper/023:55:290
18465994212,20cyclictest0-21swapper/021:25:310
18465994212,20cyclictest0-21swapper/021:25:310
18465994210,21cyclictest0-21swapper/023:50:300
18468994111,27cyclictest0-21swapper/323:34:373
18465994112,19cyclictest0-21swapper/023:45:190
18465994110,21cyclictest0-21swapper/023:42:040
1846599409,21cyclictest0-21swapper/022:15:310
1846599408,24cyclictest0-21swapper/022:30:250
1846599408,24cyclictest0-21swapper/022:30:250
1846599407,21cyclictest0-21swapper/023:24:020
18465994015,16cyclictest0-21swapper/019:40:220
18468993914,22cyclictest0-21swapper/300:20:363
18468993914,22cyclictest0-21swapper/300:20:353
18465993912,14cyclictest0-21swapper/022:25:170
18465993912,14cyclictest0-21swapper/022:25:170
319112385,13sleep10-21swapper/119:38:321
233792385,13sleep30-21swapper/319:19:053
1846599389,22cyclictest0-21swapper/020:55:290
18465993816,14cyclictest0-21swapper/021:02:030
18465993815,14cyclictest0-21swapper/019:55:000
294792375,13sleep30-21swapper/320:47:113
274332375,12sleep30-21swapper/319:26:113
224862370,1sleep26036-21stress00:18:462
224862370,1sleep26036-21stress00:18:462
1846599376,22cyclictest0-21swapper/022:40:210
1846599376,20cyclictest0-21swapper/021:15:140
1846599376,20cyclictest0-21swapper/021:15:140
1846599375,23cyclictest0-21swapper/019:35:230
1846599375,17cyclictest0-21swapper/021:50:240
18465993710,20cyclictest0-21swapper/000:20:320
18465993710,20cyclictest0-21swapper/000:20:320
18465993710,18cyclictest0-21swapper/020:50:230
144382375,13sleep00-21swapper/020:11:550
106822375,13sleep00-21swapper/020:05:050
81202365,12sleep30-21swapper/319:58:193
37282365,13sleep10-21swapper/119:47:061
37022365,13sleep10-21swapper/121:03:531
36102365,13sleep00-21swapper/019:45:410
272082365,13sleep10-21swapper/120:40:311
255042364,12sleep30-21swapper/319:23:463
253312365,12sleep00-21swapper/020:38:420
204442365,12sleep00-21swapper/019:13:530
192652365,13sleep00-21swapper/020:25:060
192652365,13sleep00-21swapper/020:25:060
187432365,13sleep10-21swapper/120:21:471
1846899364,29cyclictest0-21swapper/300:03:423
18468993613,20cyclictest0-21swapper/322:55:113
1846699369,23cyclictest0-21swapper/121:32:141
18466993612,21cyclictest0-21swapper/122:15:031
1846599367,12cyclictest0-21swapper/000:00:120
1846599365,21cyclictest0-21swapper/000:08:220
18465993615,9cyclictest6036-21stress00:25:260
18465993614,14cyclictest0-21swapper/020:20:290
18465993613,15cyclictest0-21swapper/020:02:320
167332365,12sleep00-21swapper/020:18:290
125242365,13sleep10-21swapper/120:09:441
124252364,13sleep30-21swapper/320:08:293
230892355,10sleep20-21swapper/220:32:302
18468993515,18cyclictest0-21swapper/323:35:173
18468993513,19cyclictest0-21swapper/323:05:243
18468993512,20cyclictest0-21swapper/322:49:403
18467993517,15cyclictest0-21swapper/222:10:182
18467993517,15cyclictest0-21swapper/221:45:272
1846699356,26cyclictest0-21swapper/121:20:121
1846699356,26cyclictest0-21swapper/121:20:121
18466993516,16cyclictest0-21swapper/121:27:281
18466993516,16cyclictest0-21swapper/121:27:281
18466993514,18cyclictest0-21swapper/121:37:251
18466993511,21cyclictest0-21swapper/123:15:021
1846599359,20cyclictest0-21swapper/019:31:560
18465993515,17cyclictest0-21swapper/022:46:430
18465993514,15cyclictest0-21swapper/020:42:030
18465993510,18cyclictest0-21swapper/021:41:250
145302355,12sleep10-21swapper/120:13:041
104042355,10sleep20-21swapper/220:04:552
81362345,10sleep20-21swapper/219:58:302
318512345,10sleep30-21swapper/319:37:503
251392345,10sleep30-21swapper/320:36:163
204322345,10sleep30-21swapper/319:13:443
1846899349,22cyclictest0-21swapper/322:35:183
18468993416,16cyclictest0-21swapper/321:45:033
18468993415,16cyclictest0-21swapper/321:35:243
18468993414,18cyclictest0-21swapper/323:40:113
18468993413,18cyclictest0-21swapper/322:55:023
18468993412,20cyclictest0-21swapper/323:25:193
18468993411,20cyclictest0-21swapper/323:15:203
18467993415,16cyclictest0-21swapper/223:29:042
18467993415,16cyclictest0-21swapper/222:29:502
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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