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2026-04-09 - 14:19
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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 Thu Apr 09, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11897212262,20sleep20-21swapper/207:09:462
11881211652,58sleep30-21swapper/307:09:353
11593211551,23sleep10-21swapper/107:05:521
11776210650,51sleep00-21swapper/007:08:110
197702910,3sleep231860-21stress11:10:312
131232770,2sleep331860-21stress09:40:183
268142680,1sleep331860-21stress11:28:183
268142680,1sleep331860-21stress11:28:173
12019994224,16cyclictest0-21swapper/109:41:441
1201999418,23cyclictest0-21swapper/109:15:281
1201999417,25cyclictest0-21swapper/111:05:011
12019993914,23cyclictest0-21swapper/109:35:111
12019993913,23cyclictest0-21swapper/110:16:051
12019993913,23cyclictest0-21swapper/110:16:051
12018993913,23cyclictest0-21swapper/010:57:160
12018993913,23cyclictest0-21swapper/010:57:150
1202099387,28cyclictest0-21swapper/212:36:502
1202099387,28cyclictest0-21swapper/212:36:502
12019993816,19cyclictest0-21swapper/111:06:301
12019993815,20cyclictest0-21swapper/110:00:351
12019993814,21cyclictest0-21swapper/110:40:001
12019993813,22cyclictest0-21swapper/109:50:121
12019993811,18cyclictest0-21swapper/112:20:311
1201899386,21cyclictest0-21swapper/009:55:170
60162375,13sleep10-21swapper/108:09:191
58512375,13sleep30-21swapper/308:07:133
295122375,13sleep20-21swapper/209:03:392
293402375,13sleep10-21swapper/109:01:281
209612375,13sleep10-21swapper/108:43:371
1202199379,25cyclictest0-21swapper/312:26:013
12020993714,20cyclictest0-21swapper/211:33:412
12020993714,20cyclictest0-21swapper/211:33:402
12019993714,21cyclictest0-21swapper/112:15:151
12019993711,15cyclictest0-21swapper/107:40:141
12019993711,15cyclictest0-21swapper/107:40:131
12019993710,25cyclictest0-21swapper/111:56:121
12018993717,13cyclictest0-21swapper/007:25:110
102762375,13sleep00-21swapper/008:18:460
100412375,13sleep10-21swapper/108:15:541
318152365,12sleep20-21swapper/207:52:442
275022365,13sleep00-21swapper/007:42:160
275022365,13sleep00-21swapper/007:42:160
256472365,13sleep10-21swapper/108:55:111
254402365,13sleep30-21swapper/307:38:133
211702365,13sleep30-21swapper/307:28:323
149232365,13sleep00-21swapper/008:30:040
142952364,13sleep10-21swapper/108:25:321
138432365,13sleep00-21swapper/007:11:490
12020993611,22cyclictest0-21swapper/211:46:362
12019993615,19cyclictest0-21swapper/111:10:231
12019993614,20cyclictest0-21swapper/111:50:101
12019993613,20cyclictest0-21swapper/109:50:021
12019993613,20cyclictest0-21swapper/109:50:011
12019993613,20cyclictest0-21swapper/109:20:091
12019993610,24cyclictest0-21swapper/111:35:361
12018993615,18cyclictest0-21swapper/011:13:220
89052355,11sleep20-21swapper/208:15:152
316682354,13sleep00-21swapper/007:50:550
295282355,12sleep30-21swapper/307:46:083
275322355,13sleep30-21swapper/307:42:403
275322355,13sleep30-21swapper/307:42:393
230272355,13sleep10-21swapper/108:47:341
169142354,13sleep00-21swapper/007:18:430
146292355,10sleep20-21swapper/208:29:462
12021993513,19cyclictest0-21swapper/311:58:213
12021993511,21cyclictest0-21swapper/310:15:323
12021993511,21cyclictest0-21swapper/310:15:323
1201999357,26cyclictest0-21swapper/110:25:281
1201999357,26cyclictest0-21swapper/110:25:281
1201999357,25cyclictest0-21swapper/109:30:131
12019993514,18cyclictest0-21swapper/112:13:381
12019993511,21cyclictest0-21swapper/110:40:221
12019993511,21cyclictest0-21swapper/109:56:521
12018993511,21cyclictest0-21swapper/010:07:330
12018993510,22cyclictest0-21swapper/011:05:320
58602345,10sleep20-21swapper/208:07:212
38142345,10sleep10-21swapper/108:03:431
35882345,10sleep20-21swapper/208:00:512
322772345,10sleep30-21swapper/307:55:033
314512344,12sleep30-21swapper/309:05:523
209152344,12sleep00-21swapper/008:43:040
189432343,13sleep10-21swapper/107:22:241
188522344,13sleep00-21swapper/007:21:150
187652345,10sleep30-21swapper/308:37:493
15902345,10sleep20-21swapper/207:58:172
124362345,10sleep10-21swapper/108:24:001
12021993416,15cyclictest0-21swapper/311:50:183
12021993413,18cyclictest0-21swapper/311:07:033
1202099346,25cyclictest0-21swapper/210:52:222
1202099346,25cyclictest0-21swapper/210:52:222
1202099346,24cyclictest0-21swapper/209:37:492
12020993416,15cyclictest0-21swapper/211:28:422
12020993416,15cyclictest0-21swapper/211:28:422
1201999348,23cyclictest0-21swapper/110:30:211
12019993410,21cyclictest0-21swapper/111:15:191
12018993415,16cyclictest0-21swapper/010:20:190
12018993411,20cyclictest0-21swapper/010:48:300
12018993411,17cyclictest0-21swapper/008:50:460
274182335,10sleep00-21swapper/008:58:550
140202335,10sleep10-21swapper/107:14:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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