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2026-07-26 - 05:33
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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 Jul 26, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
29573211452,57sleep00-21swapper/019:09:310
29267211349,59sleep10-21swapper/119:05:511
2930729267,20sleep20-21swapper/219:06:192
2960828358,20sleep30-21swapper/319:09:553
29719997314,43cyclictest0-21swapper/221:30:222
29719997216,46cyclictest0-21swapper/222:35:022
29719997114,41cyclictest0-21swapper/222:13:042
88112670,1sleep218753-21stress23:13:212
2971999666,40cyclictest0-21swapper/200:30:322
29719996616,39cyclictest0-21swapper/223:24:422
29719996610,40cyclictest0-21swapper/200:20:292
2971999648,45cyclictest0-21swapper/223:45:152
29719996415,22cyclictest0-21swapper/221:24:462
29719996216,43cyclictest0-21swapper/223:34:582
29719996216,16cyclictest0-21swapper/221:28:462
29719996115,19cyclictest0-21swapper/223:36:272
2971999608,38cyclictest0-21swapper/222:40:012
29719995612,41cyclictest0-21swapper/223:40:232
29719995611,15cyclictest0-21swapper/223:55:032
29719995610,15cyclictest0-21swapper/222:45:172
29719995610,15cyclictest0-21swapper/222:45:172
23432550,1sleep318751-21stress23:00:013
2971999549,26cyclictest0-21swapper/200:13:202
29719995415,36cyclictest0-21swapper/221:55:342
29719995413,38cyclictest0-21swapper/221:35:332
2971999539,19cyclictest0-21swapper/223:25:122
2971999538,42cyclictest0-21swapper/223:09:062
2971999537,28cyclictest0-21swapper/222:20:042
2971999536,44cyclictest0-21swapper/200:35:262
2971999536,27cyclictest0-21swapper/222:06:232
29719995315,35cyclictest0-21swapper/200:30:012
29719995314,20cyclictest0-21swapper/200:15:182
29719995312,38cyclictest0-21swapper/221:15:172
29719995215,34cyclictest0-21swapper/222:55:112
29719995212,37cyclictest0-21swapper/223:50:232
29719995210,39cyclictest0-21swapper/221:10:282
29719995210,39cyclictest0-21swapper/221:10:282
29719995210,15cyclictest0-21swapper/221:40:102
29719995210,15cyclictest0-21swapper/221:40:102
2971999517,41cyclictest0-21swapper/221:50:332
2971999509,21cyclictest0-21swapper/222:15:032
2971999509,21cyclictest0-21swapper/222:15:032
29719995012,14cyclictest0-21swapper/222:51:042
29719995012,14cyclictest0-21swapper/222:51:032
29719995010,15cyclictest0-21swapper/223:15:172
2971999496,23cyclictest0-21swapper/200:08:092
2971999496,23cyclictest0-21swapper/200:08:082
2971999486,22cyclictest0-21swapper/222:25:182
2971999485,25cyclictest0-21swapper/220:19:082
2971999476,20cyclictest0-21swapper/223:00:142
2971999476,20cyclictest0-21swapper/223:00:142
29719994710,15cyclictest0-21swapper/222:00:192
2971999465,27cyclictest0-21swapper/220:25:002
2971999465,24cyclictest0-21swapper/221:08:382
2971999465,24cyclictest0-21swapper/220:34:592
2971999455,22cyclictest0-21swapper/220:25:232
29719994516,13cyclictest0-21swapper/219:46:592
29719994516,13cyclictest0-21swapper/219:46:582
2971999445,23cyclictest0-21swapper/220:03:182
2971999445,22cyclictest0-21swapper/219:19:492
29719994415,13cyclictest0-21swapper/220:39:392
29719994415,13cyclictest0-21swapper/220:07:592
29719994413,15cyclictest0-21swapper/221:45:292
29719994413,15cyclictest0-21swapper/221:45:292
29719994410,16cyclictest0-21swapper/219:15:002
2971999428,18cyclictest0-21swapper/219:26:312
2971999426,15cyclictest0-21swapper/222:40:162
2971999425,20cyclictest0-21swapper/219:24:142
2971999424,22cyclictest0-21swapper/219:44:182
2971999423,24cyclictest0-21swapper/221:01:082
29719994212,14cyclictest0-21swapper/220:10:152
29719994210,16cyclictest0-21swapper/219:55:262
2971999415,21cyclictest0-21swapper/220:49:282
29719994010,12cyclictest0-21swapper/219:52:372
29717994015,22cyclictest0-21swapper/022:14:190
2971999395,16cyclictest0-21swapper/220:44:252
2971999395,16cyclictest0-21swapper/219:39:202
29719993911,11cyclictest0-21swapper/220:55:132
2971999385,14cyclictest0-21swapper/219:30:482
2971999375,16cyclictest0-21swapper/220:53:402
2971899378,26cyclictest0-21swapper/123:03:401
2971899378,26cyclictest0-21swapper/123:03:401
29718993713,21cyclictest0-21swapper/121:31:481
264482373,14sleep10-21swapper/120:11:111
200222375,11sleep00-21swapper/019:58:310
155622375,14sleep00-21swapper/019:47:370
155622375,14sleep00-21swapper/019:47:360
29720993615,18cyclictest0-21swapper/323:19:093
29718993613,20cyclictest0-21swapper/121:50:251
29717993617,13cyclictest0-21swapper/019:13:020
29717993615,18cyclictest0-21swapper/023:26:450
29717993611,22cyclictest0-21swapper/022:46:180
29717993611,22cyclictest0-21swapper/022:46:180
29717993611,22cyclictest0-21swapper/021:10:220
29717993611,22cyclictest0-21swapper/021:10:220
185682365,13sleep00-21swapper/021:08:440
141902365,12sleep30-21swapper/320:59:173
135242365,12sleep30-21swapper/319:44:343
95942355,8sleep00-21swapper/020:46:310
8922355,14sleep00-21swapper/020:29:230
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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