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2026-04-21 - 11:28
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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 Apr 21, 2026 00:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
27127212361,20sleep20-21swapper/219:09:382
27118211555,20sleep30-21swapper/319:09:303
27033211452,57sleep00-21swapper/019:08:230
46222910,2sleep12725699cyclictest22:00:161
46222910,2sleep12725699cyclictest22:00:161
2529228257,20sleep10-21swapper/119:05:021
27256994110,28cyclictest0-21swapper/121:46:541
27255994115,23cyclictest0-21swapper/021:36:220
27256994012,25cyclictest0-21swapper/123:13:261
27255994010,19cyclictest0-21swapper/019:23:520
27256993914,22cyclictest0-21swapper/122:24:161
2725599399,27cyclictest0-21swapper/023:51:440
2725599399,27cyclictest0-21swapper/023:51:440
27255993911,19cyclictest0-21swapper/020:17:060
1905323910,11sleep20-21swapper/221:18:202
38212385,13sleep20-21swapper/220:41:312
27256993811,24cyclictest0-21swapper/123:28:421
27256993811,24cyclictest0-21swapper/121:25:211
2725599389,23cyclictest0-21swapper/020:28:210
27255993811,21cyclictest0-21swapper/019:30:460
27255993811,17cyclictest0-21swapper/019:40:360
27255993810,18cyclictest0-21swapper/020:41:040
27255993810,18cyclictest0-21swapper/019:56:510
267162385,14sleep20-21swapper/220:20:182
59042375,13sleep10-21swapper/120:45:281
320192375,13sleep20-21swapper/219:16:512
298422375,13sleep10-21swapper/120:28:121
27258993714,20cyclictest0-21swapper/323:16:353
27258993714,20cyclictest0-21swapper/323:16:353
2725799378,22cyclictest0-21swapper/220:30:232
2725599379,18cyclictest0-21swapper/019:15:060
27255993715,19cyclictest0-21swapper/023:10:520
27255993711,17cyclictest0-21swapper/019:28:210
27255993710,18cyclictest0-21swapper/019:50:080
254132375,13sleep10-21swapper/120:16:201
234972375,13sleep00-21swapper/020:14:200
213102375,13sleep30-21swapper/320:08:443
211262375,13sleep10-21swapper/120:06:301
169052375,12sleep10-21swapper/119:57:161
127952375,13sleep10-21swapper/119:49:461
125562375,13sleep10-21swapper/121:03:041
125562375,13sleep10-21swapper/121:03:041
104362375,14sleep00-21swapper/020:58:180
103862375,13sleep20-21swapper/220:57:402
82352365,12sleep20-21swapper/219:36:242
38802365,13sleep10-21swapper/119:25:571
2725799365,17cyclictest0-21swapper/222:05:142
2725799365,17cyclictest0-21swapper/222:05:132
27257993613,20cyclictest0-21swapper/222:56:052
2725699368,25cyclictest0-21swapper/121:50:031
27256993614,20cyclictest0-21swapper/122:50:181
2725599368,18cyclictest0-21swapper/021:08:200
2725599367,22cyclictest0-21swapper/020:20:220
2725599365,20cyclictest0-21swapper/020:45:050
2725599365,20cyclictest0-21swapper/020:30:030
27255993614,20cyclictest0-21swapper/021:46:280
17632365,13sleep00-21swapper/020:38:140
148062365,13sleep10-21swapper/119:53:071
102242360,1sleep114934-21stress22:12:431
39272355,10sleep20-21swapper/219:26:292
27258993511,21cyclictest0-21swapper/300:15:323
2725799355,28cyclictest0-21swapper/223:24:182
2725799355,28cyclictest0-21swapper/223:24:172
2725699358,25cyclictest0-21swapper/121:55:121
2725599359,20cyclictest0-21swapper/019:10:240
2725599357,19cyclictest0-21swapper/019:46:210
2725599356,19cyclictest0-21swapper/019:37:100
2725599353,17cyclictest14934-21stress23:37:590
27255993511,21cyclictest0-21swapper/023:40:340
2725799346,25cyclictest0-21swapper/222:26:102
27257993416,16cyclictest0-21swapper/222:55:022
2725699348,23cyclictest0-21swapper/123:30:171
27256993412,20cyclictest0-21swapper/100:12:131
27256993411,21cyclictest0-21swapper/122:25:341
27256993410,21cyclictest0-21swapper/122:55:291
2725599349,17cyclictest0-21swapper/020:50:250
2725599345,27cyclictest0-21swapper/023:05:250
2725599345,27cyclictest0-21swapper/023:05:250
2725599345,27cyclictest0-21swapper/021:01:370
2725599345,27cyclictest0-21swapper/021:01:370
27255993416,15cyclictest0-21swapper/022:16:560
27255993413,18cyclictest0-21swapper/023:15:060
27255993413,18cyclictest0-21swapper/023:15:060
27255993410,16cyclictest0-21swapper/020:00:060
145412344,10sleep30-21swapper/321:06:153
27258993314,16cyclictest0-21swapper/300:13:533
2725799336,25cyclictest0-21swapper/223:25:312
2725799336,24cyclictest0-21swapper/223:42:202
27257993316,14cyclictest0-21swapper/222:47:122
27257993315,15cyclictest0-21swapper/222:32:102
27257993311,16cyclictest0-21swapper/220:05:232
27257993310,20cyclictest0-21swapper/221:13:562
27256993311,20cyclictest0-21swapper/121:20:181
27256993311,20cyclictest0-21swapper/121:20:181
2725599339,21cyclictest0-21swapper/022:35:040
2725599339,21cyclictest0-21swapper/022:35:040
2725599339,21cyclictest0-21swapper/021:24:500
2725599339,21cyclictest0-21swapper/021:24:500
2725599338,17cyclictest0-21swapper/020:05:020
2725599336,24cyclictest0-21swapper/023:55:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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