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2025-11-17 - 03:11
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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 Mon Nov 17, 2025 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2842212482,37sleep20-21swapper/219:05:072
4495211254,53sleep30-21swapper/319:06:493
4504210947,57sleep00-21swapper/019:06:540
4665210050,23sleep10-21swapper/119:09:001
486199495,27cyclictest0-21swapper/319:15:383
486199495,20cyclictest0-21swapper/322:55:273
486199485,20cyclictest0-21swapper/300:10:313
486199485,19cyclictest0-21swapper/322:25:233
486199485,19cyclictest0-21swapper/322:25:223
486199475,40cyclictest0-21swapper/323:50:193
486199475,39cyclictest0-21swapper/323:45:243
486199475,39cyclictest0-21swapper/323:45:233
486199475,39cyclictest0-21swapper/322:45:133
486199475,26cyclictest0-21swapper/319:55:283
486199475,21cyclictest0-21swapper/321:13:453
486199475,21cyclictest0-21swapper/321:13:453
486199475,20cyclictest0-21swapper/322:40:203
486199475,19cyclictest0-21swapper/321:45:183
486199475,18cyclictest0-21swapper/322:06:373
486199473,41cyclictest0-21swapper/321:40:243
486199465,39cyclictest0-21swapper/320:35:383
486199465,25cyclictest0-21swapper/321:07:183
486199465,25cyclictest0-21swapper/320:23:583
486199465,25cyclictest0-21swapper/319:52:383
486199465,25cyclictest0-21swapper/319:32:383
486199465,25cyclictest0-21swapper/319:29:483
486199465,20cyclictest0-21swapper/300:00:243
486199465,19cyclictest0-21swapper/323:35:293
486199465,19cyclictest0-21swapper/323:10:283
486199465,19cyclictest0-21swapper/322:50:183
486199465,19cyclictest0-21swapper/322:15:153
486199465,19cyclictest0-21swapper/300:35:263
486199465,19cyclictest0-21swapper/300:30:213
486199465,19cyclictest0-21swapper/300:25:183
486199465,15cyclictest0-21swapper/323:20:283
486199465,15cyclictest0-21swapper/319:46:583
486199455,19cyclictest0-21swapper/323:40:233
486199455,19cyclictest0-21swapper/322:30:233
486199455,19cyclictest0-21swapper/322:10:173
486199455,19cyclictest0-21swapper/322:00:293
486199455,19cyclictest0-21swapper/321:56:383
486199455,19cyclictest0-21swapper/300:20:223
486199455,18cyclictest0-21swapper/323:55:303
486199455,14cyclictest0-21swapper/319:44:083
486199455,14cyclictest0-21swapper/319:21:183
486199445,37cyclictest0-21swapper/323:30:313
486199445,37cyclictest0-21swapper/323:30:013
486199445,37cyclictest0-21swapper/320:46:183
486199445,23cyclictest0-21swapper/319:35:283
486199445,20cyclictest0-21swapper/321:50:183
486199445,20cyclictest0-21swapper/321:35:333
486199445,14cyclictest0-21swapper/320:59:283
486199445,14cyclictest0-21swapper/320:54:183
486199445,14cyclictest0-21swapper/320:29:483
486199435,21cyclictest0-21swapper/323:15:223
486199435,19cyclictest0-21swapper/323:00:133
486199435,19cyclictest0-21swapper/323:00:123
486199435,19cyclictest0-21swapper/321:20:223
486199425,35cyclictest0-21swapper/321:03:143
486199425,21cyclictest0-21swapper/321:30:193
486199425,21cyclictest0-21swapper/300:15:273
486199425,20cyclictest0-21swapper/321:15:233
486199425,20cyclictest0-21swapper/321:15:233
486199425,20cyclictest0-21swapper/300:05:263
486199425,19cyclictest0-21swapper/323:05:223
486199425,19cyclictest0-21swapper/323:05:223
486199425,19cyclictest0-21swapper/322:35:323
486199415,20cyclictest0-21swapper/322:20:273
486199415,19cyclictest0-21swapper/321:25:193
486199415,19cyclictest0-21swapper/320:40:243
486199415,19cyclictest0-21swapper/320:30:163
486199415,19cyclictest0-21swapper/320:10:183
486199415,19cyclictest0-21swapper/320:10:183
486199415,19cyclictest0-21swapper/320:05:263
4855994115,23cyclictest0-21swapper/000:21:160
486199405,19cyclictest0-21swapper/320:00:003
486199405,19cyclictest0-21swapper/319:13:203
486199405,15cyclictest0-21swapper/320:16:543
486199405,15cyclictest0-21swapper/320:16:533
190222405,14sleep00-21swapper/020:51:360
164332405,14sleep20-21swapper/219:32:472
126382405,14sleep20-21swapper/220:39:192
4857993910,19cyclictest0-21swapper/222:45:192
485699395,24cyclictest0-21swapper/122:10:121
229442395,14sleep00-21swapper/019:46:480
4856993810,25cyclictest0-21swapper/123:03:331
4856993810,25cyclictest0-21swapper/123:03:331
4855993816,19cyclictest0-21swapper/021:54:290
4855993816,19cyclictest0-21swapper/021:22:240
252272385,13sleep10-21swapper/119:53:061
120392385,16sleep20-21swapper/219:23:082
59472375,10sleep20-21swapper/220:23:272
485799377,20cyclictest0-21swapper/200:22:192
4855993713,22cyclictest0-21swapper/000:13:330
36662375,13sleep10-21swapper/120:17:241
36662375,13sleep10-21swapper/120:17:241
251582374,13sleep00-21swapper/019:52:130
4856993615,19cyclictest0-21swapper/123:40:161
4856993614,19cyclictest0-21swapper/100:10:211
4855993611,22cyclictest0-21swapper/022:32:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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