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2026-03-10 - 08:20
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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 10, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
953211552,58sleep10-21swapper/119:06:511
838211351,57sleep00-21swapper/019:05:310
31794211252,20sleep30-21swapper/319:05:063
84529546,45sleep20-21swapper/219:05:372
1331995337,13cyclictest0-21swapper/223:01:332
1331995136,13cyclictest0-21swapper/223:41:152
1331994933,13cyclictest0-21swapper/221:45:312
1331994932,15cyclictest0-21swapper/222:35:182
1331994932,15cyclictest0-21swapper/222:35:182
1331994931,15cyclictest0-21swapper/222:45:102
1331994929,17cyclictest0-21swapper/223:05:042
1331994834,12cyclictest0-21swapper/222:24:092
1331994833,13cyclictest0-21swapper/223:50:072
1331994829,16cyclictest0-21swapper/222:03:192
1331994733,12cyclictest0-21swapper/221:20:322
1331994731,14cyclictest0-21swapper/222:30:282
1331994731,14cyclictest0-21swapper/222:30:272
1331994731,14cyclictest0-21swapper/200:18:552
1331994731,13cyclictest0-21swapper/221:35:462
1331994730,15cyclictest0-21swapper/222:17:122
1331994730,15cyclictest0-21swapper/222:05:162
1331994729,15cyclictest0-21swapper/222:40:432
1331994630,14cyclictest0-21swapper/223:33:452
1331994630,14cyclictest0-21swapper/200:35:352
1331994630,14cyclictest0-21swapper/200:35:352
1331994630,13cyclictest0-21swapper/222:27:392
1331994630,13cyclictest0-21swapper/200:05:162
1331994629,15cyclictest0-21swapper/222:10:212
1331994629,14cyclictest0-21swapper/223:22:532
1331994531,12cyclictest0-21swapper/221:30:282
1331994530,13cyclictest0-21swapper/223:35:172
1331994530,13cyclictest0-21swapper/223:25:272
1331994528,15cyclictest0-21swapper/221:55:142
1331994528,15cyclictest0-21swapper/221:55:142
1331994430,12cyclictest0-21swapper/200:03:142
1331994429,12cyclictest0-21swapper/221:50:262
1331994428,13cyclictest0-21swapper/200:10:212
1331994329,12cyclictest0-21swapper/221:15:152
1331994228,12cyclictest0-21swapper/223:45:232
1331994228,12cyclictest0-21swapper/223:45:232
1331994227,13cyclictest0-21swapper/221:12:102
1331994227,12cyclictest0-21swapper/223:55:182
1331994127,12cyclictest0-21swapper/223:15:162
1331994127,12cyclictest0-21swapper/200:22:442
1331994125,13cyclictest0-21swapper/200:32:562
1331994026,12cyclictest0-21swapper/221:40:372
1331994024,14cyclictest0-21swapper/222:50:232
1331993822,14cyclictest0-21swapper/200:25:162
1331993822,14cyclictest0-21swapper/200:25:152
1329993811,24cyclictest0-21swapper/021:35:210
188932375,13sleep30-21swapper/319:47:013
188072375,13sleep00-21swapper/019:45:570
33922365,13sleep30-21swapper/320:25:303
315582365,13sleep30-21swapper/320:16:123
251652365,14sleep00-21swapper/020:00:450
232842365,13sleep30-21swapper/319:58:523
209512365,13sleep00-21swapper/019:51:150
168842365,10sleep00-21swapper/019:43:210
1331993623,11cyclictest0-21swapper/223:10:262
1329993616,17cyclictest0-21swapper/022:00:150
1329993612,21cyclictest0-21swapper/022:55:350
1329993611,23cyclictest0-21swapper/021:10:360
99572355,12sleep30-21swapper/320:42:303
56562355,13sleep30-21swapper/320:32:123
56562355,13sleep30-21swapper/320:32:123
294262355,13sleep30-21swapper/320:11:073
253442355,13sleep10-21swapper/120:02:591
206042355,13sleep30-21swapper/321:07:373
163452355,13sleep10-21swapper/120:57:161
15302355,13sleep00-21swapper/020:24:230
133099355,28cyclictest0-21swapper/119:27:131
62752345,12sleep30-21swapper/319:18:583
294702345,13sleep10-21swapper/120:11:371
276202345,12sleep30-21swapper/320:09:553
204892345,13sleep10-21swapper/121:06:101
190842345,13sleep10-21swapper/119:49:281
1332993411,20cyclictest0-21swapper/323:56:573
133199349,23cyclictest0-21swapper/220:55:172
1331993421,11cyclictest0-21swapper/221:25:262
1331993412,20cyclictest0-21swapper/222:55:192
127312345,13sleep10-21swapper/119:34:551
84792335,13sleep00-21swapper/019:24:590
76992335,13sleep10-21swapper/120:35:551
299922330,1sleep329993-21ntpq22:45:303
168292335,13sleep10-21swapper/121:00:091
148692335,13sleep10-21swapper/119:39:571
1331993314,17cyclictest0-21swapper/220:46:382
132999339,22cyclictest0-21swapper/019:38:190
1329993312,19cyclictest0-21swapper/022:40:140
1329993310,18cyclictest0-21swapper/020:10:050
1329993310,17cyclictest0-21swapper/020:07:500
32252325,10sleep10-21swapper/119:12:141
275832325,13sleep10-21swapper/120:09:251
253362325,12sleep30-21swapper/320:02:533
209822325,13sleep10-21swapper/119:51:361
184112325,12sleep30-21swapper/321:01:393
142102325,12sleep10-21swapper/120:52:261
133299324,26cyclictest0-21swapper/319:27:123
133199328,22cyclictest0-21swapper/219:41:102
133199328,22cyclictest0-21swapper/219:31:412
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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