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2025-09-17 - 22:20
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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 Wed Sep 17, 2025 12:45:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28570211855,23sleep30-21swapper/307:06:243
28524211757,55sleep20-21swapper/207:05:472
28614210950,21sleep00-21swapper/007:06:580
1193021080,0sleep316732-21stress11:27:263
1840621070,1sleep316730-21stress11:42:293
2851129149,37sleep10-21swapper/107:05:381
28962994815,22cyclictest0-21swapper/111:45:171
2896299476,31cyclictest0-21swapper/111:25:261
2896299446,27cyclictest0-21swapper/110:35:361
28962994210,22cyclictest0-21swapper/111:15:271
28961994216,23cyclictest0-21swapper/009:29:350
28962994111,19cyclictest0-21swapper/108:10:161
186672410,0sleep316732-21stress09:13:013
315932400,1sleep116730-21stress09:43:051
2896299404,27cyclictest0-21swapper/108:35:061
78162395,13sleep00-21swapper/008:48:070
28962993912,18cyclictest0-21swapper/108:15:131
28961993915,21cyclictest0-21swapper/011:06:050
28961993915,21cyclictest0-21swapper/011:06:050
28961993913,19cyclictest0-21swapper/009:40:160
28963993813,22cyclictest0-21swapper/212:17:092
28963993813,22cyclictest0-21swapper/212:17:082
2896299389,18cyclictest0-21swapper/111:05:141
2896299389,18cyclictest0-21swapper/111:05:141
28962993818,17cyclictest0-21swapper/110:55:441
28962993812,19cyclictest0-21swapper/108:48:431
28962993812,19cyclictest0-21swapper/107:45:271
272002385,13sleep00-21swapper/008:16:310
164742385,13sleep30-21swapper/307:52:393
76952375,13sleep30-21swapper/308:46:373
28964993715,19cyclictest0-21swapper/312:25:033
28964993715,19cyclictest0-21swapper/311:18:123
28964993714,20cyclictest0-21swapper/311:22:523
28964993713,22cyclictest0-21swapper/311:53:573
28962993721,14cyclictest0-21swapper/112:05:361
28962993720,15cyclictest0-21swapper/109:49:161
28962993717,17cyclictest0-21swapper/110:20:251
28962993714,20cyclictest0-21swapper/111:00:221
231082375,13sleep30-21swapper/308:09:283
186422375,13sleep00-21swapper/007:57:500
165252375,13sleep20-21swapper/207:53:192
120582375,13sleep20-21swapper/207:41:402
98592365,13sleep30-21swapper/307:36:163
57462365,13sleep30-21swapper/307:28:543
296412365,12sleep00-21swapper/008:24:530
296412365,12sleep00-21swapper/008:24:530
294432365,13sleep20-21swapper/208:22:262
294432365,13sleep20-21swapper/208:22:262
28964993615,19cyclictest0-21swapper/312:12:263
28964993615,18cyclictest0-21swapper/311:45:033
28964993615,18cyclictest0-21swapper/310:06:523
28964993613,21cyclictest0-21swapper/312:02:473
2896299365,23cyclictest0-21swapper/107:25:171
28962993618,16cyclictest0-21swapper/110:44:051
28962993617,17cyclictest0-21swapper/109:50:141
28962993615,18cyclictest0-21swapper/110:10:251
28962993614,20cyclictest0-21swapper/110:00:291
28962993614,20cyclictest0-21swapper/110:00:291
28962993612,16cyclictest0-21swapper/107:40:291
28961993612,22cyclictest0-21swapper/009:38:570
28961993612,21cyclictest0-21swapper/012:20:210
28961993612,21cyclictest0-21swapper/010:10:030
250692365,13sleep20-21swapper/208:12:082
142362365,12sleep30-21swapper/309:01:533
12822365,13sleep20-21swapper/207:17:022
120562365,12sleep00-21swapper/007:41:380
99932355,10sleep00-21swapper/008:53:120
34232355,13sleep20-21swapper/207:21:522
28964993515,18cyclictest0-21swapper/312:32:493
28964993515,18cyclictest0-21swapper/312:07:313
28964993514,19cyclictest0-21swapper/311:34:183
28963993516,16cyclictest0-21swapper/211:59:432
2896299358,25cyclictest0-21swapper/109:00:201
2896299358,25cyclictest0-21swapper/107:11:101
2896299355,27cyclictest0-21swapper/109:10:431
2896299353,29cyclictest0-21swapper/109:20:011
28962993517,16cyclictest0-21swapper/110:05:221
28962993516,17cyclictest0-21swapper/112:15:181
28962993516,17cyclictest0-21swapper/112:15:181
28962993515,17cyclictest0-21swapper/111:30:331
28962993514,19cyclictest0-21swapper/111:20:171
28962993514,18cyclictest0-21swapper/110:15:121
28962993511,14cyclictest16730-21stress12:20:131
28961993516,17cyclictest0-21swapper/012:10:150
273612355,12sleep30-21swapper/308:18:313
271322355,13sleep20-21swapper/208:15:412
144362355,13sleep20-21swapper/207:49:102
122152355,12sleep20-21swapper/208:58:472
55612345,13sleep20-21swapper/208:41:432
2896499344,23cyclictest0-21swapper/308:41:013
2896499343,22cyclictest0-21swapper/308:31:233
28964993415,17cyclictest0-21swapper/311:55:033
28964993414,18cyclictest0-21swapper/310:51:213
28964993414,17cyclictest0-21swapper/309:21:263
28964993413,19cyclictest0-21swapper/310:29:193
28963993414,17cyclictest0-21swapper/211:35:262
28963993411,20cyclictest0-21swapper/209:29:502
2896299345,21cyclictest0-21swapper/107:20:181
28962993418,15cyclictest0-21swapper/107:17:101
28962993417,15cyclictest0-21swapper/111:35:371
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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