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2025-11-26 - 08:35
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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 Wed Nov 26, 2025 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1337211752,59sleep30-21swapper/319:08:023
1280211754,57sleep00-21swapper/019:07:220
1169211151,55sleep20-21swapper/219:06:042
1489210450,21sleep10-21swapper/119:09:531
1598994010,27cyclictest0-21swapper/121:20:241
1607993913,23cyclictest0-21swapper/321:53:463
265152385,13sleep20-21swapper/220:04:342
224002385,13sleep30-21swapper/321:05:343
159999388,27cyclictest0-21swapper/223:04:142
1597993813,22cyclictest0-21swapper/023:21:390
63282375,13sleep00-21swapper/019:15:370
3322375,13sleep30-21swapper/320:16:153
306102375,13sleep30-21swapper/320:11:213
179152375,13sleep00-21swapper/020:55:250
1607993713,21cyclictest0-21swapper/321:38:163
1607993713,21cyclictest0-21swapper/321:38:163
1607993712,23cyclictest0-21swapper/321:13:483
1607993712,22cyclictest0-21swapper/323:53:403
1607993712,22cyclictest0-21swapper/323:25:373
1607993712,22cyclictest0-21swapper/323:25:363
1607993712,22cyclictest0-21swapper/321:42:503
1607993712,22cyclictest0-21swapper/321:42:503
1599993717,18cyclictest0-21swapper/200:29:312
1597993711,24cyclictest0-21swapper/020:20:210
135172375,13sleep30-21swapper/320:45:303
129452375,13sleep20-21swapper/219:30:302
116572375,13sleep10-21swapper/120:44:311
109582375,13sleep20-21swapper/219:27:542
92872364,13sleep20-21swapper/220:37:352
286592365,12sleep30-21swapper/320:08:403
264462365,12sleep00-21swapper/020:03:400
226252365,13sleep00-21swapper/021:08:210
204572365,13sleep00-21swapper/021:04:120
196792364,13sleep20-21swapper/219:46:432
196792364,13sleep20-21swapper/219:46:422
177472364,12sleep20-21swapper/219:44:592
1607993613,20cyclictest0-21swapper/300:07:233
1607993613,20cyclictest0-21swapper/300:07:233
1607993612,21cyclictest0-21swapper/323:12:043
1607993610,23cyclictest0-21swapper/321:55:093
1598993612,21cyclictest0-21swapper/123:30:221
1598993612,21cyclictest0-21swapper/123:30:221
1598993612,21cyclictest0-21swapper/123:00:251
159799368,26cyclictest0-21swapper/020:25:050
158032365,13sleep10-21swapper/120:51:301
137932365,12sleep20-21swapper/220:48:372
116992365,13sleep00-21swapper/020:44:590
220002355,12sleep10-21swapper/119:52:521
1607993512,20cyclictest0-21swapper/322:00:023
1599993517,15cyclictest0-21swapper/200:05:082
1599993517,15cyclictest0-21swapper/200:05:082
1599993515,18cyclictest0-21swapper/200:00:592
1599993511,21cyclictest0-21swapper/221:30:492
159899356,26cyclictest0-21swapper/122:09:251
159899355,27cyclictest0-21swapper/123:50:161
159899355,19cyclictest0-21swapper/100:10:081
1598993511,21cyclictest0-21swapper/123:55:141
1598993510,22cyclictest0-21swapper/122:44:251
1597993516,17cyclictest0-21swapper/021:56:490
1597993512,20cyclictest0-21swapper/021:42:200
1597993512,20cyclictest0-21swapper/021:42:190
135732355,13sleep00-21swapper/020:46:070
93702345,10sleep30-21swapper/320:38:363
4062345,10sleep20-21swapper/220:17:012
308202345,10sleep10-21swapper/120:13:521
219792345,10sleep30-21swapper/319:52:383
204662345,10sleep30-21swapper/321:04:183
197322345,12sleep10-21swapper/119:47:171
197322345,12sleep10-21swapper/119:47:171
168962345,11sleep30-21swapper/320:55:163
1607993414,17cyclictest0-21swapper/323:20:083
1607993414,17cyclictest0-21swapper/322:41:493
1607993413,18cyclictest0-21swapper/300:34:223
1607993412,19cyclictest0-21swapper/323:07:123
1607993411,20cyclictest0-21swapper/323:33:443
1607993411,20cyclictest0-21swapper/323:33:443
160502345,10sleep20-21swapper/220:54:232
159999347,24cyclictest0-21swapper/221:48:372
159999347,24cyclictest0-21swapper/221:48:372
1599993414,18cyclictest0-21swapper/222:40:262
1599993410,21cyclictest0-21swapper/223:30:182
1599993410,21cyclictest0-21swapper/223:30:182
159899346,26cyclictest0-21swapper/123:08:481
159899346,15cyclictest0-21swapper/100:10:011
159799348,24cyclictest0-21swapper/020:38:460
1597993416,15cyclictest0-21swapper/022:26:090
1597993416,15cyclictest0-21swapper/022:19:350
1597993416,15cyclictest0-21swapper/022:00:310
1597993413,19cyclictest0-21swapper/020:50:240
1597993412,20cyclictest0-21swapper/019:42:370
1597993411,20cyclictest0-21swapper/023:35:270
1597993410,21cyclictest0-21swapper/020:30:190
9502335,10sleep10-21swapper/120:20:061
63502335,10sleep10-21swapper/119:15:541
5992335,10sleep10-21swapper/120:19:211
26472335,11sleep20-21swapper/220:22:152
160799335,26cyclictest0-21swapper/320:40:063
1607993315,16cyclictest0-21swapper/300:35:193
1607993314,16cyclictest0-21swapper/323:47:493
1607993313,17cyclictest0-21swapper/322:50:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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