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2026-08-01 - 17:21
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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 Sat Aug 01, 2026 12:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
361721280,1sleep016498-21stress09:51:310
27090212060,20sleep20-21swapper/207:07:302
924421180,2sleep016498-21stress10:05:210
27227211556,20sleep30-21swapper/307:09:113
27093211250,24sleep00-21swapper/007:07:320
2726529850,21sleep10-21swapper/107:09:411
79152880,3sleep016498-21stress10:00:370
79152880,3sleep016498-21stress10:00:360
250002670,1sleep316498-21stress09:27:103
94862460,1sleep316496-21stress12:33:063
27400994613,20cyclictest0-21swapper/008:45:220
27402994311,29cyclictest0-21swapper/110:35:371
27402994311,29cyclictest0-21swapper/110:35:371
27402994210,29cyclictest0-21swapper/109:13:491
27403994115,23cyclictest0-21swapper/211:42:312
27403994110,28cyclictest0-21swapper/211:34:112
27402994112,19cyclictest0-21swapper/111:14:121
2740399409,28cyclictest0-21swapper/211:08:432
27403994015,22cyclictest0-21swapper/212:04:222
2740299409,28cyclictest0-21swapper/109:43:421
2740099404,28cyclictest0-21swapper/008:24:380
27400994015,23cyclictest0-21swapper/011:26:230
27400994015,22cyclictest0-21swapper/009:49:020
27403993913,23cyclictest0-21swapper/210:32:162
27402993911,25cyclictest0-21swapper/111:17:211
27400993915,21cyclictest0-21swapper/012:09:330
27400993913,23cyclictest0-21swapper/012:15:150
27400993911,21cyclictest0-21swapper/008:39:450
210452395,13sleep00-21swapper/008:05:190
322112384,14sleep10-21swapper/107:15:431
287092385,13sleep20-21swapper/208:23:212
2740399386,16cyclictest0-21swapper/212:35:162
27403993815,20cyclictest0-21swapper/209:19:102
2740299387,21cyclictest0-21swapper/109:55:151
27402993814,21cyclictest0-21swapper/112:35:501
27402993813,22cyclictest0-21swapper/112:21:391
27402993813,22cyclictest0-21swapper/112:21:391
27402993811,24cyclictest0-21swapper/111:05:201
27402993811,24cyclictest0-21swapper/110:20:121
27402993810,25cyclictest0-21swapper/112:12:311
2740099386,18cyclictest0-21swapper/010:35:380
2740099386,18cyclictest0-21swapper/010:35:370
27400993814,22cyclictest0-21swapper/012:29:550
27400993814,21cyclictest0-21swapper/011:50:360
27400993814,21cyclictest0-21swapper/009:36:230
27400993814,21cyclictest0-21swapper/009:36:220
27400993812,17cyclictest0-21swapper/007:35:080
27400993810,14cyclictest0-21swapper/010:45:250
22582385,13sleep20-21swapper/207:23:382
222312385,13sleep20-21swapper/208:09:422
139692385,13sleep20-21swapper/209:02:272
130842385,13sleep20-21swapper/207:45:482
119262385,13sleep10-21swapper/108:59:251
109382385,13sleep20-21swapper/207:41:112
97802375,13sleep20-21swapper/208:54:412
75202375,13sleep10-21swapper/108:48:541
288102375,13sleep10-21swapper/108:24:371
2740399377,27cyclictest0-21swapper/210:05:452
2740299379,25cyclictest0-21swapper/110:51:121
2740299379,25cyclictest0-21swapper/109:31:091
27402993716,19cyclictest0-21swapper/111:50:251
27402993715,20cyclictest0-21swapper/111:22:201
27402993711,23cyclictest0-21swapper/109:51:531
2740099379,19cyclictest0-21swapper/008:51:380
2740099376,20cyclictest0-21swapper/007:45:050
27400993711,17cyclictest0-21swapper/008:58:400
264552375,13sleep20-21swapper/208:17:112
243262375,13sleep20-21swapper/208:13:302
197712375,13sleep20-21swapper/208:01:312
160672375,13sleep30-21swapper/309:05:573
160672375,13sleep30-21swapper/309:05:563
97992364,13sleep10-21swapper/108:54:561
71582365,13sleep20-21swapper/207:35:132
42692365,13sleep10-21swapper/107:25:261
310652365,13sleep10-21swapper/108:29:331
292662365,12sleep30-21swapper/307:12:003
27403993616,17cyclictest0-21swapper/211:55:592
27403993615,19cyclictest0-21swapper/212:25:262
27403993614,19cyclictest0-21swapper/210:21:282
27403993614,19cyclictest0-21swapper/209:35:262
27403993614,19cyclictest0-21swapper/209:35:252
27403993610,23cyclictest0-21swapper/209:25:122
2740299369,24cyclictest0-21swapper/111:25:021
27400993612,21cyclictest0-21swapper/009:55:260
27400993611,22cyclictest0-21swapper/011:37:380
27400993610,23cyclictest0-21swapper/012:10:140
27400993610,20cyclictest0-21swapper/008:41:380
266732365,13sleep00-21swapper/008:19:540
164112365,13sleep00-21swapper/009:09:540
164112365,13sleep00-21swapper/009:09:540
66912355,13sleep00-21swapper/007:32:420
6112355,12sleep00-21swapper/008:31:530
6112355,12sleep00-21swapper/008:31:530
50892355,12sleep30-21swapper/308:41:223
43392355,13sleep00-21swapper/007:26:130
324582355,10sleep20-21swapper/207:18:302
292442355,12sleep10-21swapper/107:11:421
2740599359,23cyclictest0-21swapper/309:37:163
2740599359,23cyclictest0-21swapper/309:37:163
27403993517,15cyclictest0-21swapper/211:02:372
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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