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2026-03-22 - 19:37
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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 Sun Mar 22, 2026 12:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
10985212462,56sleep20-21swapper/207:06:082
11027212359,58sleep30-21swapper/307:06:413
10978211050,55sleep00-21swapper/007:06:020
1112528961,23sleep10-21swapper/107:07:561
224752510,1sleep322474-21cat11:20:193
1139199439,26cyclictest0-21swapper/009:20:280
11396994126,13cyclictest0-21swapper/311:46:563
1139399408,29cyclictest0-21swapper/212:37:202
205382395,13sleep20-21swapper/207:29:022
1139399397,29cyclictest0-21swapper/212:11:262
1139399397,29cyclictest0-21swapper/212:11:262
1139399397,29cyclictest0-21swapper/209:15:162
11392993914,23cyclictest0-21swapper/111:50:321
11392993911,26cyclictest0-21swapper/109:45:111
11391993914,22cyclictest0-21swapper/010:05:120
184272385,13sleep30-21swapper/307:24:103
11396993811,24cyclictest0-21swapper/312:28:013
11393993816,19cyclictest0-21swapper/210:51:092
11393993816,19cyclictest0-21swapper/209:36:142
11393993815,20cyclictest0-21swapper/212:26:352
11393993811,24cyclictest0-21swapper/210:01:392
11393993811,24cyclictest0-21swapper/209:43:282
11391993815,21cyclictest0-21swapper/012:15:330
93092375,13sleep10-21swapper/108:16:291
92382375,13sleep30-21swapper/308:15:353
9052375,13sleep20-21swapper/207:59:332
284602375,13sleep30-21swapper/309:00:543
267202375,13sleep10-21swapper/107:41:161
246092375,13sleep10-21swapper/107:36:271
226832375,13sleep10-21swapper/107:34:021
204142375,13sleep30-21swapper/307:27:323
161452375,13sleep20-21swapper/207:17:162
157962375,13sleep10-21swapper/108:32:251
157962375,13sleep10-21swapper/108:32:251
116942375,13sleep00-21swapper/008:24:260
11396993711,23cyclictest0-21swapper/312:30:043
11396993710,24cyclictest0-21swapper/311:33:123
11393993715,19cyclictest0-21swapper/212:05:102
11393993712,22cyclictest0-21swapper/209:50:442
11393993712,22cyclictest0-21swapper/209:50:432
11393993710,24cyclictest0-21swapper/212:18:072
11393993710,16cyclictest0-21swapper/209:25:092
11392993715,20cyclictest0-21swapper/111:09:231
11392993713,22cyclictest0-21swapper/111:24:021
11392993713,22cyclictest0-21swapper/110:06:271
11392993713,21cyclictest0-21swapper/110:49:231
1139199378,26cyclictest0-21swapper/012:20:310
1139199378,26cyclictest0-21swapper/012:20:310
11391993715,20cyclictest0-21swapper/009:45:130
11391993715,19cyclictest0-21swapper/009:34:350
11391993714,20cyclictest0-21swapper/009:50:360
11391993714,20cyclictest0-21swapper/009:50:350
11391993710,25cyclictest0-21swapper/010:10:200
113902375,13sleep10-21swapper/108:20:391
94382365,10sleep20-21swapper/208:18:022
71182365,12sleep10-21swapper/108:10:471
50932365,13sleep00-21swapper/008:07:330
306742365,13sleep10-21swapper/109:06:531
291322365,13sleep00-21swapper/007:49:570
290932365,12sleep10-21swapper/107:49:301
248642365,13sleep00-21swapper/007:39:350
224142365,12sleep30-21swapper/307:30:393
181622365,12sleep10-21swapper/107:20:511
136132365,13sleep10-21swapper/108:26:471
11396993610,23cyclictest0-21swapper/312:05:173
1139399367,26cyclictest0-21swapper/211:39:302
1139399367,26cyclictest0-21swapper/211:39:302
11393993616,17cyclictest0-21swapper/212:02:292
11393993615,18cyclictest0-21swapper/210:25:062
11393993615,18cyclictest0-21swapper/210:25:052
11393993610,23cyclictest0-21swapper/209:11:482
11392993615,18cyclictest0-21swapper/110:57:411
11392993614,19cyclictest0-21swapper/110:15:091
11392993613,20cyclictest0-21swapper/109:31:051
1139199368,26cyclictest0-21swapper/010:43:190
1139199368,26cyclictest0-21swapper/008:49:130
1139199368,26cyclictest0-21swapper/008:44:030
1139199368,26cyclictest0-21swapper/008:25:230
1139199367,26cyclictest0-21swapper/011:10:330
11391993620,15cyclictest0-21swapper/008:55:030
11391993615,19cyclictest0-21swapper/009:55:100
11391993615,19cyclictest0-21swapper/009:55:100
11391993612,22cyclictest0-21swapper/012:00:010
77242355,12sleep00-21swapper/008:15:110
50332355,12sleep30-21swapper/308:06:483
310892355,10sleep30-21swapper/307:52:503
310312355,13sleep00-21swapper/007:52:020
243802355,11sleep10-21swapper/108:52:581
222542355,10sleep30-21swapper/308:48:023
11396993511,21cyclictest0-21swapper/311:55:113
11396993511,21cyclictest0-21swapper/309:25:323
1139399359,23cyclictest0-21swapper/211:05:402
1139399359,23cyclictest0-21swapper/209:46:402
1139399358,24cyclictest0-21swapper/210:35:162
11393993515,17cyclictest0-21swapper/211:25:162
11393993514,18cyclictest0-21swapper/209:20:182
11393993510,23cyclictest0-21swapper/209:30:362
11393993510,22cyclictest0-21swapper/210:20:212
11392993514,18cyclictest0-21swapper/112:20:151
11392993514,18cyclictest0-21swapper/112:20:141
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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