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2025-08-27 - 14:38
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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 Aug 27, 2025 00:45:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2547321280,1sleep23380-21stress00:30:312
15643212358,59sleep20-21swapper/219:07:482
2473821170,0sleep03380-21stress21:59:200
15800211451,58sleep00-21swapper/019:09:510
1550229466,23sleep30-21swapper/319:06:043
1552028156,20sleep10-21swapper/119:06:181
15914995615,18cyclictest0-21swapper/323:51:153
15914995515,17cyclictest0-21swapper/322:30:003
1591499529,22cyclictest0-21swapper/321:55:143
1591499526,23cyclictest0-21swapper/300:31:243
15914995114,14cyclictest0-21swapper/323:42:363
15914995013,15cyclictest0-21swapper/300:37:293
1591499488,20cyclictest0-21swapper/322:03:343
1591499479,18cyclictest0-21swapper/300:03:213
15914994716,12cyclictest0-21swapper/322:08:053
1591499465,22cyclictest0-21swapper/320:58:053
15914994613,13cyclictest0-21swapper/300:19:083
1591499456,20cyclictest0-21swapper/300:10:163
15914994513,12cyclictest0-21swapper/323:55:373
1591499446,19cyclictest0-21swapper/300:05:163
15914994415,12cyclictest0-21swapper/323:10:023
15914994314,12cyclictest0-21swapper/323:38:103
15914994215,12cyclictest0-21swapper/323:15:143
15914994215,12cyclictest0-21swapper/323:15:133
15911994116,22cyclictest0-21swapper/022:42:320
15911994116,22cyclictest0-21swapper/022:42:310
1591199409,29cyclictest0-21swapper/023:22:370
1591199409,28cyclictest0-21swapper/021:11:190
15911994014,23cyclictest0-21swapper/022:46:490
1591499399,14cyclictest0-21swapper/319:10:373
15911993916,21cyclictest0-21swapper/023:46:230
15911993914,23cyclictest0-21swapper/000:21:450
15911993914,22cyclictest0-21swapper/021:52:490
15911993914,22cyclictest0-21swapper/021:19:070
15911993913,24cyclictest0-21swapper/022:17:360
32952385,13sleep20-21swapper/219:52:312
205412385,13sleep00-21swapper/020:32:310
1591199389,27cyclictest0-21swapper/023:25:070
15911993818,18cyclictest0-21swapper/021:40:020
15911993815,20cyclictest0-21swapper/022:35:100
15911993814,22cyclictest0-21swapper/021:47:370
15911993812,23cyclictest0-21swapper/021:25:470
15911993812,23cyclictest0-21swapper/021:25:470
76062375,13sleep10-21swapper/120:02:331
75932375,13sleep00-21swapper/020:02:240
292472375,13sleep10-21swapper/119:36:421
272082375,13sleep00-21swapper/019:32:480
251842375,13sleep10-21swapper/119:29:401
250212375,13sleep20-21swapper/219:27:332
229242375,13sleep20-21swapper/219:23:002
227322375,13sleep00-21swapper/020:37:560
188612374,12sleep20-21swapper/220:30:122
161582375,13sleep10-21swapper/120:21:331
15913993715,19cyclictest0-21swapper/221:41:572
15911993716,18cyclictest0-21swapper/021:20:260
15911993716,18cyclictest0-21swapper/000:00:310
15911993715,19cyclictest0-21swapper/000:26:420
15911993715,19cyclictest0-21swapper/000:26:420
140892375,13sleep10-21swapper/120:17:361
316172364,13sleep10-21swapper/119:44:321
313622365,11sleep00-21swapper/019:41:250
290912365,13sleep00-21swapper/020:52:070
176932365,11sleep10-21swapper/119:11:041
15913993614,19cyclictest0-21swapper/222:47:282
15912993612,15cyclictest0-21swapper/123:04:411
15911993616,18cyclictest0-21swapper/023:10:270
15911993615,19cyclictest0-21swapper/022:04:320
15911993614,19cyclictest0-21swapper/023:05:080
15911993613,20cyclictest0-21swapper/022:20:070
15911993612,22cyclictest0-21swapper/021:32:390
15914993515,17cyclictest0-21swapper/322:55:113
15913993516,16cyclictest0-21swapper/222:58:002
15913993516,16cyclictest0-21swapper/222:22:072
15913993513,19cyclictest0-21swapper/222:35:302
15912993511,21cyclictest0-21swapper/122:45:181
15911993516,17cyclictest0-21swapper/023:55:190
15911993515,17cyclictest0-21swapper/022:05:110
15911993515,17cyclictest0-21swapper/000:30:130
55312344,11sleep20-21swapper/219:58:242
295992344,11sleep10-21swapper/120:55:091
229222344,11sleep00-21swapper/019:22:580
1591399346,25cyclictest0-21swapper/221:10:462
15913993416,15cyclictest0-21swapper/223:56:522
15912993413,18cyclictest0-21swapper/121:17:391
15911993414,18cyclictest0-21swapper/023:01:390
270942335,13sleep10-21swapper/119:31:291
249382334,11sleep00-21swapper/019:26:350
1591399339,21cyclictest0-21swapper/200:20:322
15913993316,15cyclictest0-21swapper/223:47:542
15913993315,15cyclictest0-21swapper/221:22:442
15913993314,16cyclictest0-21swapper/222:40:452
15913993314,16cyclictest0-21swapper/222:40:452
15912993315,15cyclictest0-21swapper/123:35:171
15912993311,16cyclictest0-21swapper/120:05:051
15911993316,15cyclictest0-21swapper/022:10:260
15911993316,15cyclictest0-21swapper/021:35:230
15911993316,15cyclictest0-21swapper/021:35:220
15911993315,15cyclictest0-21swapper/022:55:310
15911993315,15cyclictest0-21swapper/000:15:240
15911993315,15cyclictest0-21swapper/000:05:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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