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2026-06-26 - 13:58
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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 Fri Jun 26, 2026 00:45:39)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25073211758,20sleep30-21swapper/319:06:013
25308211551,23sleep10-21swapper/119:08:561
25314211350,57sleep20-21swapper/219:09:002
2517328648,33sleep00-21swapper/019:07:140
2550499429,16cyclictest0-21swapper/200:25:132
2550299396,23cyclictest0-21swapper/022:30:360
25504993815,21cyclictest0-21swapper/223:05:292
2550399388,13cyclictest0-21swapper/121:20:331
25502993814,21cyclictest0-21swapper/022:26:370
139962385,13sleep30-21swapper/321:09:553
70622375,13sleep20-21swapper/219:39:572
46462375,13sleep10-21swapper/119:32:261
307572375,13sleep20-21swapper/220:31:212
305462375,12sleep30-21swapper/319:19:253
305032375,13sleep10-21swapper/119:18:551
27432375,13sleep20-21swapper/220:41:202
266212375,13sleep20-21swapper/220:24:242
25504993716,18cyclictest0-21swapper/223:02:522
25502993714,20cyclictest0-21swapper/023:20:150
25502993714,20cyclictest0-21swapper/023:20:150
25502993713,21cyclictest0-21swapper/023:10:090
137712375,13sleep20-21swapper/221:07:112
92322365,11sleep00-21swapper/019:44:560
72732365,13sleep20-21swapper/220:52:142
69692364,13sleep00-21swapper/019:38:470
50742365,13sleep00-21swapper/020:47:280
47982365,12sleep30-21swapper/319:34:243
27192365,13sleep00-21swapper/020:41:060
25505993615,18cyclictest0-21swapper/300:03:043
25505993615,18cyclictest0-21swapper/300:03:043
25505993613,21cyclictest0-21swapper/323:24:473
25505993613,21cyclictest0-21swapper/323:24:463
2550299367,26cyclictest0-21swapper/021:33:510
25502993612,21cyclictest0-21swapper/021:50:080
24902365,13sleep00-21swapper/019:28:350
23722365,12sleep30-21swapper/319:27:153
166722365,13sleep10-21swapper/120:00:171
47832354,13sleep00-21swapper/019:34:120
308812355,13sleep10-21swapper/119:20:031
25505993515,18cyclictest0-21swapper/321:59:343
25505993515,18cyclictest0-21swapper/300:11:583
25505993515,17cyclictest0-21swapper/323:01:163
2550499359,24cyclictest0-21swapper/220:07:072
25504993516,16cyclictest0-21swapper/223:15:482
25504993516,16cyclictest0-21swapper/221:21:482
25504993514,18cyclictest0-21swapper/200:12:052
25503993510,18cyclictest0-21swapper/120:40:271
25503993510,15cyclictest0-21swapper/121:05:281
25502993517,15cyclictest0-21swapper/023:09:370
25502993516,16cyclictest0-21swapper/000:36:230
25502993513,20cyclictest0-21swapper/000:25:240
25502993512,20cyclictest0-21swapper/023:36:250
25502993511,21cyclictest0-21swapper/021:55:100
25502993511,21cyclictest0-21swapper/021:25:170
25502993511,21cyclictest0-21swapper/021:25:170
25502993511,18cyclictest0-21swapper/020:36:030
25502993510,22cyclictest0-21swapper/021:35:080
157492355,13sleep00-21swapper/019:59:510
116982355,10sleep10-21swapper/121:03:291
325302344,12sleep00-21swapper/019:21:180
285882344,12sleep00-21swapper/020:27:070
274052345,10sleep10-21swapper/119:12:211
274052345,10sleep10-21swapper/119:12:201
25505993414,18cyclictest0-21swapper/300:23:503
25505993413,18cyclictest0-21swapper/323:19:313
2550499348,24cyclictest0-21swapper/220:58:162
25504993416,15cyclictest0-21swapper/221:25:142
25504993416,15cyclictest0-21swapper/221:25:132
25504993416,15cyclictest0-21swapper/200:04:212
25504993416,15cyclictest0-21swapper/200:04:212
25504993414,17cyclictest0-21swapper/200:20:512
2550399348,20cyclictest0-21swapper/120:45:051
2550399345,21cyclictest0-21swapper/119:46:481
25503993412,20cyclictest0-21swapper/123:28:151
2550299349,19cyclictest0-21swapper/020:12:300
25502993416,16cyclictest0-21swapper/021:16:360
25502993415,16cyclictest0-21swapper/023:45:180
25502993415,16cyclictest0-21swapper/023:40:360
25502993414,17cyclictest0-21swapper/000:31:270
25502993414,17cyclictest0-21swapper/000:31:270
25502993412,19cyclictest0-21swapper/021:50:020
243782345,12sleep30-21swapper/320:18:593
240982344,12sleep00-21swapper/020:15:440
154012345,10sleep20-21swapper/219:55:362
134912345,10sleep20-21swapper/219:54:002
123172345,13sleep00-21swapper/019:50:170
118192345,12sleep30-21swapper/321:04:583
114932345,10sleep20-21swapper/221:00:532
74312335,10sleep30-21swapper/320:54:123
70232335,10sleep10-21swapper/119:39:281
302952334,10sleep00-21swapper/019:16:250
25505993314,16cyclictest0-21swapper/321:24:393
2550499338,23cyclictest0-21swapper/220:16:172
25504993316,14cyclictest0-21swapper/222:47:592
25504993316,14cyclictest0-21swapper/221:58:262
25504993314,16cyclictest0-21swapper/222:30:342
25504993311,20cyclictest0-21swapper/220:45:212
25504993310,20cyclictest0-21swapper/223:21:212
25504993310,20cyclictest0-21swapper/223:21:212
2550399339,21cyclictest0-21swapper/121:40:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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