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2026-04-11 - 14:10
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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 Sat Apr 11, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2064021250,1sleep227444-21stress22:09:292
2064021250,1sleep227444-21stress22:09:292
7128211356,21sleep30-21swapper/319:05:453
7333211252,55sleep10-21swapper/119:08:201
7283210649,52sleep20-21swapper/219:07:412
742229951,43sleep00-21swapper/019:09:280
756499416,19cyclictest0-21swapper/123:30:021
7563994116,18cyclictest0-21swapper/022:02:320
756499409,21cyclictest0-21swapper/123:50:141
7563994015,22cyclictest0-21swapper/023:17:350
7563993916,15cyclictest0-21swapper/021:56:500
78112385,13sleep10-21swapper/120:21:431
7565993815,20cyclictest0-21swapper/222:58:082
7564993814,21cyclictest0-21swapper/123:41:291
7564993814,21cyclictest0-21swapper/100:04:551
7564993814,21cyclictest0-21swapper/100:04:551
756399389,27cyclictest0-21swapper/021:10:010
7563993816,20cyclictest0-21swapper/023:20:130
7563993816,19cyclictest0-21swapper/022:58:220
7563993810,26cyclictest0-21swapper/000:15:210
7563993810,25cyclictest0-21swapper/023:47:130
7563993810,25cyclictest0-21swapper/022:50:290
7563993810,25cyclictest0-21swapper/022:50:290
289342380,1sleep027444-21stress23:44:500
251692385,13sleep30-21swapper/321:04:153
756499376,21cyclictest0-21swapper/121:30:341
7564993714,21cyclictest0-21swapper/123:45:271
756399379,26cyclictest0-21swapper/023:10:020
756399379,21cyclictest0-21swapper/020:50:110
756399378,26cyclictest0-21swapper/022:25:340
756399378,26cyclictest0-21swapper/000:20:120
34572375,13sleep30-21swapper/320:11:143
230932375,12sleep10-21swapper/119:42:451
230122375,13sleep10-21swapper/120:59:071
189162375,13sleep00-21swapper/019:34:020
122772375,13sleep20-21swapper/219:16:352
95042365,12sleep20-21swapper/219:13:062
92982365,13sleep10-21swapper/119:10:331
7566993612,21cyclictest0-21swapper/323:57:293
756499369,17cyclictest0-21swapper/122:40:271
7564993614,19cyclictest0-21swapper/122:16:331
7564993614,19cyclictest0-21swapper/122:16:331
756399369,24cyclictest0-21swapper/000:05:140
756399369,24cyclictest0-21swapper/000:05:130
7563993614,16cyclictest0-21swapper/022:05:030
7563993614,16cyclictest0-21swapper/022:05:030
7563993610,19cyclictest0-21swapper/020:20:120
56362365,12sleep00-21swapper/020:16:440
35422365,12sleep20-21swapper/220:12:172
314732365,13sleep30-21swapper/320:00:353
273412365,13sleep30-21swapper/319:52:253
251142365,13sleep00-21swapper/021:03:320
230682364,13sleep30-21swapper/319:42:273
207872365,12sleep30-21swapper/319:35:533
207062365,12sleep30-21swapper/320:52:163
186672365,13sleep10-21swapper/119:30:541
166182365,12sleep30-21swapper/320:44:263
756499359,20cyclictest0-21swapper/119:39:341
756499356,18cyclictest0-21swapper/121:30:021
7564993516,16cyclictest0-21swapper/123:07:021
7564993514,19cyclictest0-21swapper/123:31:481
7564993514,19cyclictest0-21swapper/100:06:491
7564993514,19cyclictest0-21swapper/100:06:491
7564993513,19cyclictest0-21swapper/121:50:251
7564993510,23cyclictest0-21swapper/100:23:251
756399358,20cyclictest0-21swapper/019:55:260
756399357,26cyclictest0-21swapper/021:45:220
7563993519,14cyclictest0-21swapper/019:15:160
7563993511,21cyclictest0-21swapper/021:20:240
7563993511,21cyclictest0-21swapper/000:03:070
7563993511,21cyclictest0-21swapper/000:03:070
7563993511,18cyclictest0-21swapper/019:42:150
316732355,12sleep20-21swapper/220:03:032
294192354,12sleep30-21swapper/319:56:503
272382355,12sleep20-21swapper/219:51:082
230412355,12sleep00-21swapper/020:59:310
169322355,13sleep00-21swapper/020:45:070
146672354,13sleep30-21swapper/319:24:373
144392355,12sleep00-21swapper/020:39:100
121842354,12sleep30-21swapper/320:32:393
99052345,10sleep10-21swapper/120:25:591
7566993415,16cyclictest0-21swapper/323:40:113
7566993411,20cyclictest0-21swapper/322:32:413
7566993411,20cyclictest0-21swapper/321:12:533
756599348,24cyclictest0-21swapper/219:32:112
7565993416,15cyclictest0-21swapper/221:16:392
7565993415,16cyclictest0-21swapper/221:40:152
7565993412,12cyclictest0-21swapper/221:38:302
7565993412,12cyclictest0-21swapper/221:38:292
756499346,21cyclictest0-21swapper/120:40:231
756499346,18cyclictest0-21swapper/100:15:261
7564993415,16cyclictest0-21swapper/122:45:111
7563993414,17cyclictest0-21swapper/021:17:150
7563993413,19cyclictest0-21swapper/022:30:310
7563993413,19cyclictest0-21swapper/021:35:250
7563993413,19cyclictest0-21swapper/021:35:240
7563993411,21cyclictest0-21swapper/019:50:060
7563993411,20cyclictest0-21swapper/000:29:570
7563993411,17cyclictest0-21swapper/020:00:460
57852345,13sleep10-21swapper/120:18:181
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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