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2026-05-12 - 21:31
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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 May 12, 2026 12:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2822221440,0sleep211111-21stress11:04:542
657921380,1sleep011113-21stress11:28:180
657921380,1sleep011113-21stress11:28:180
21165212059,55sleep20-21swapper/207:05:112
23057211252,21sleep00-21swapper/007:09:590
22784210745,56sleep30-21swapper/307:06:463
2297228658,23sleep10-21swapper/107:09:011
2315899455,25cyclictest0-21swapper/210:30:182
2315799449,25cyclictest0-21swapper/112:37:351
2315799447,21cyclictest0-21swapper/109:20:301
23157994314,19cyclictest0-21swapper/111:30:191
23156994311,20cyclictest0-21swapper/009:00:230
23159994210,29cyclictest0-21swapper/309:17:423
2315699426,21cyclictest0-21swapper/008:00:030
23158994113,25cyclictest0-21swapper/211:10:142
2315799418,24cyclictest0-21swapper/109:11:311
2315799409,22cyclictest0-21swapper/109:42:131
2315799408,21cyclictest0-21swapper/112:05:181
2315799408,21cyclictest0-21swapper/111:25:381
2315799408,21cyclictest0-21swapper/111:25:381
66482395,12sleep20-21swapper/208:59:042
23159993914,22cyclictest0-21swapper/310:48:423
23159993914,22cyclictest0-21swapper/310:48:413
23157993912,18cyclictest0-21swapper/111:13:131
87932385,13sleep20-21swapper/209:03:532
280232385,13sleep30-21swapper/308:32:323
267622385,13sleep20-21swapper/207:15:162
2315999389,26cyclictest0-21swapper/312:32:233
2315999389,26cyclictest0-21swapper/311:15:373
2315999387,29cyclictest0-21swapper/311:44:563
23159993814,21cyclictest0-21swapper/311:00:243
23159993811,24cyclictest0-21swapper/312:08:233
23159993811,24cyclictest0-21swapper/311:54:183
23158993813,22cyclictest0-21swapper/210:38:472
214022385,13sleep20-21swapper/208:15:392
192402385,13sleep30-21swapper/308:10:413
84962375,13sleep20-21swapper/207:46:032
66982375,13sleep10-21swapper/108:59:401
325512375,13sleep20-21swapper/208:44:342
322952375,13sleep20-21swapper/207:27:142
301122375,12sleep30-21swapper/308:36:403
281752375,13sleep10-21swapper/108:34:301
280242374,13sleep30-21swapper/307:18:203
259242375,13sleep20-21swapper/208:28:012
23159993713,22cyclictest0-21swapper/311:45:273
23159993712,22cyclictest0-21swapper/309:30:103
23159993711,23cyclictest0-21swapper/312:02:483
23159993711,23cyclictest0-21swapper/312:02:483
23159993711,23cyclictest0-21swapper/309:26:373
23158993716,19cyclictest0-21swapper/209:47:002
23158993716,19cyclictest0-21swapper/209:46:592
23158993714,21cyclictest0-21swapper/211:25:302
23158993714,21cyclictest0-21swapper/211:25:292
23158993710,24cyclictest0-21swapper/211:31:042
23158993710,24cyclictest0-21swapper/211:05:482
23157993711,19cyclictest0-21swapper/109:45:331
23157993711,19cyclictest0-21swapper/109:45:321
23156993714,20cyclictest0-21swapper/012:15:200
23156993711,24cyclictest0-21swapper/007:45:190
155302375,13sleep30-21swapper/308:05:053
150232375,13sleep10-21swapper/108:02:021
108562375,12sleep30-21swapper/309:07:513
106722375,13sleep10-21swapper/109:05:291
323322365,13sleep00-21swapper/007:27:410
289042365,13sleep10-21swapper/108:35:141
279022365,12sleep20-21swapper/208:30:572
249502365,13sleep30-21swapper/307:11:043
237732365,13sleep00-21swapper/008:23:060
233692365,11sleep20-21swapper/207:10:052
2315999369,24cyclictest0-21swapper/312:25:033
2315999369,24cyclictest0-21swapper/311:35:023
23159993614,20cyclictest0-21swapper/310:56:063
23159993614,20cyclictest0-21swapper/310:56:063
23159993611,22cyclictest0-21swapper/309:20:033
23159993610,23cyclictest0-21swapper/312:10:063
23159993610,23cyclictest0-21swapper/310:31:053
23159993610,16cyclictest0-21swapper/309:49:373
23159993610,16cyclictest0-21swapper/309:49:363
23158993612,22cyclictest0-21swapper/210:10:142
2315799365,15cyclictest0-21swapper/110:30:221
23157993614,20cyclictest0-21swapper/111:46:571
2315699368,26cyclictest0-21swapper/007:58:520
23156993615,19cyclictest0-21swapper/007:15:060
20792365,13sleep30-21swapper/307:32:373
107302365,10sleep20-21swapper/209:06:152
301042355,10sleep20-21swapper/207:22:252
2315999358,24cyclictest0-21swapper/312:22:383
23159993511,21cyclictest0-21swapper/311:30:273
23159993510,22cyclictest0-21swapper/309:50:123
23158993515,18cyclictest0-21swapper/210:42:542
23158993515,17cyclictest0-21swapper/211:40:102
23158993514,19cyclictest0-21swapper/212:04:452
23158993514,19cyclictest0-21swapper/212:04:452
23158993513,20cyclictest0-21swapper/211:55:352
23158993513,20cyclictest0-21swapper/210:03:292
2315799355,18cyclictest0-21swapper/112:15:131
23157993514,18cyclictest0-21swapper/112:12:041
2315699358,25cyclictest0-21swapper/008:05:020
2315699358,25cyclictest0-21swapper/007:32:420
23156993520,14cyclictest0-21swapper/007:43:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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