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2026-03-17 - 21:22
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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 Mar 17, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1196821410,1sleep232340-21stress10:52:042
10823211858,20sleep20-21swapper/207:05:052
12359211753,24sleep10-21swapper/107:05:551
12566211454,20sleep30-21swapper/307:08:343
1235828254,23sleep00-21swapper/007:05:550
282042770,2sleep0111rcuc/011:30:230
12779995711,32cyclictest0-21swapper/111:14:201
12779995711,32cyclictest0-21swapper/111:14:191
12778994614,29cyclictest0-21swapper/012:31:010
12778994614,29cyclictest0-21swapper/012:31:010
12779994312,28cyclictest0-21swapper/112:03:181
12779994311,29cyclictest0-21swapper/110:18:571
12779994311,29cyclictest0-21swapper/109:17:431
12779994211,28cyclictest0-21swapper/111:40:271
12778994216,17cyclictest0-21swapper/010:50:290
12779994113,25cyclictest0-21swapper/111:25:481
12779994012,26cyclictest0-21swapper/109:42:071
12779994012,25cyclictest0-21swapper/109:10:481
12779994011,26cyclictest0-21swapper/109:35:491
12778994017,20cyclictest0-21swapper/009:48:110
12778994016,22cyclictest0-21swapper/012:36:420
12781993912,25cyclictest0-21swapper/312:08:413
12781993912,24cyclictest0-21swapper/310:46:453
12781993911,25cyclictest0-21swapper/311:20:383
12781993911,25cyclictest0-21swapper/311:06:283
12781993911,25cyclictest0-21swapper/311:06:283
12779993910,26cyclictest0-21swapper/110:27:111
1277899398,22cyclictest0-21swapper/011:50:300
1277899398,22cyclictest0-21swapper/011:50:300
12778993913,23cyclictest0-21swapper/011:25:240
12778993912,18cyclictest0-21swapper/010:00:210
259192385,13sleep20-21swapper/207:35:332
12781993812,23cyclictest0-21swapper/311:51:063
12781993812,23cyclictest0-21swapper/311:51:053
1277999386,29cyclictest0-21swapper/110:31:221
12779993811,24cyclictest0-21swapper/109:45:171
1277899388,19cyclictest0-21swapper/008:45:040
12778993818,18cyclictest0-21swapper/010:39:560
12778993818,18cyclictest0-21swapper/010:39:560
12778993814,21cyclictest0-21swapper/012:00:270
12778993813,15cyclictest0-21swapper/009:20:110
12778993812,15cyclictest0-21swapper/008:01:380
105982385,13sleep30-21swapper/308:15:273
87512375,13sleep20-21swapper/208:14:052
87402375,13sleep10-21swapper/108:13:561
42352375,13sleep30-21swapper/308:01:193
322042375,13sleep10-21swapper/109:09:191
322042375,13sleep10-21swapper/109:09:181
304952375,12sleep30-21swapper/307:49:453
236072375,13sleep10-21swapper/108:48:131
21592375,13sleep20-21swapper/207:57:252
195382375,13sleep10-21swapper/107:20:481
170842375,13sleep10-21swapper/108:31:251
149872375,13sleep10-21swapper/108:26:561
12781993710,24cyclictest0-21swapper/310:44:593
12781993710,24cyclictest0-21swapper/309:50:373
12780993710,24cyclictest0-21swapper/212:36:472
1277999375,19cyclictest0-21swapper/109:50:251
12779993713,14cyclictest0-21swapper/112:26:431
12779993713,14cyclictest0-21swapper/112:26:431
12779993711,23cyclictest0-21swapper/111:15:031
12779993711,23cyclictest0-21swapper/111:15:031
1277899378,17cyclictest0-21swapper/007:44:380
1277899377,20cyclictest0-21swapper/011:00:180
12778993716,18cyclictest0-21swapper/012:10:140
12778993716,18cyclictest0-21swapper/009:34:200
12778993716,18cyclictest0-21swapper/009:34:190
12778993715,19cyclictest0-21swapper/009:50:040
12778993713,15cyclictest0-21swapper/007:35:230
127772375,13sleep10-21swapper/108:21:021
109382375,13sleep20-21swapper/208:19:392
86882365,13sleep00-21swapper/008:13:190
66532365,12sleep20-21swapper/208:09:322
65502365,12sleep30-21swapper/308:08:173
257092365,13sleep00-21swapper/008:52:500
201452365,13sleep00-21swapper/008:40:140
151502365,13sleep20-21swapper/208:28:582
129902365,13sleep10-21swapper/107:10:091
129842365,13sleep00-21swapper/007:10:040
12781993611,22cyclictest0-21swapper/311:30:383
12781993611,22cyclictest0-21swapper/309:55:053
12781993611,22cyclictest0-21swapper/309:33:063
12781993611,22cyclictest0-21swapper/309:33:063
12780993615,17cyclictest0-21swapper/210:00:142
1277999367,26cyclictest0-21swapper/110:35:161
1277999367,26cyclictest0-21swapper/110:35:151
12779993612,21cyclictest0-21swapper/111:55:321
12779993612,21cyclictest0-21swapper/111:55:321
12778993616,17cyclictest0-21swapper/012:15:390
12778993613,20cyclictest0-21swapper/009:35:030
12778993612,21cyclictest0-21swapper/011:35:170
301012355,10sleep30-21swapper/309:04:443
258312355,10sleep20-21swapper/208:54:202
240702355,10sleep10-21swapper/107:34:061
240612355,10sleep20-21swapper/207:33:592
128702355,10sleep30-21swapper/308:22:123
1278199359,23cyclictest0-21swapper/312:00:043
12781993511,21cyclictest0-21swapper/312:30:293
12781993511,21cyclictest0-21swapper/312:30:283
12781993510,22cyclictest0-21swapper/312:10:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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