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2026-09-07 - 20:13
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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 Mon Sep 07, 2026 12:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19203211354,54sleep00-21swapper/007:08:580
1752121130,0sleep29027-21stress09:26:142
19275210651,21sleep10-21swapper/107:09:521
18270210545,21sleep30-21swapper/307:05:203
1923229267,20sleep20-21swapper/207:09:192
196042540,6sleep39029-21stress09:30:353
196042540,6sleep39029-21stress09:30:353
19390994415,26cyclictest0-21swapper/211:00:212
19390994212,27cyclictest0-21swapper/212:12:222
19390994212,27cyclictest0-21swapper/211:24:592
19390994212,27cyclictest0-21swapper/211:24:592
1939099407,30cyclictest0-21swapper/210:31:382
19390994011,26cyclictest0-21swapper/212:27:072
19390994010,27cyclictest0-21swapper/210:50:152
19390994010,27cyclictest0-21swapper/210:50:152
52122390,1sleep39029-21stress12:39:583
52122390,1sleep39029-21stress12:39:573
1939099398,28cyclictest0-21swapper/211:50:292
19390993914,22cyclictest0-21swapper/212:30:202
86122385,13sleep30-21swapper/309:06:193
288882385,13sleep20-21swapper/207:29:012
288882385,13sleep20-21swapper/207:29:012
254452385,13sleep10-21swapper/107:20:181
19390993815,21cyclictest0-21swapper/211:35:212
19390993810,25cyclictest0-21swapper/210:45:432
97862375,13sleep30-21swapper/307:56:293
86862375,13sleep10-21swapper/109:07:041
66042375,13sleep30-21swapper/309:03:293
41662375,13sleep30-21swapper/308:56:283
322872375,13sleep10-21swapper/108:49:161
30602375,13sleep10-21swapper/107:41:271
299762375,13sleep20-21swapper/208:44:002
288562375,13sleep30-21swapper/307:28:383
288562375,13sleep30-21swapper/307:28:373
275842375,13sleep30-21swapper/308:36:503
242452375,13sleep30-21swapper/307:16:313
242042375,13sleep20-21swapper/207:16:012
214822375,10sleep20-21swapper/208:25:062
19622375,13sleep10-21swapper/108:52:411
1939099379,26cyclictest0-21swapper/211:15:312
1939099379,25cyclictest0-21swapper/211:45:412
1939099379,25cyclictest0-21swapper/211:05:032
1939099379,25cyclictest0-21swapper/210:15:042
1939099379,25cyclictest0-21swapper/210:15:032
1939099379,25cyclictest0-21swapper/210:05:502
19390993715,20cyclictest0-21swapper/210:58:432
19390993714,20cyclictest0-21swapper/211:25:172
19390993714,20cyclictest0-21swapper/211:25:162
19390993710,24cyclictest0-21swapper/212:09:242
144542375,13sleep20-21swapper/208:09:342
53212365,12sleep30-21swapper/307:46:343
253852365,13sleep00-21swapper/008:31:580
232012365,12sleep30-21swapper/308:27:413
20782365,12sleep30-21swapper/308:54:043
19390993616,18cyclictest0-21swapper/212:35:212
19390993616,18cyclictest0-21swapper/212:35:212
19390993611,22cyclictest0-21swapper/209:14:172
19389993610,23cyclictest0-21swapper/110:56:411
19388993611,22cyclictest0-21swapper/009:40:180
19388993611,22cyclictest0-21swapper/009:40:180
141672365,12sleep10-21swapper/108:06:021
8082355,13sleep00-21swapper/007:37:120
311852355,13sleep30-21swapper/307:34:123
309642355,13sleep00-21swapper/007:31:350
1939099359,23cyclictest0-21swapper/211:10:222
1939099358,24cyclictest0-21swapper/210:00:212
19390993514,19cyclictest0-21swapper/209:40:132
19390993514,19cyclictest0-21swapper/209:40:132
19389993511,21cyclictest0-21swapper/111:10:421
1938899358,25cyclictest0-21swapper/009:06:490
1938899358,25cyclictest0-21swapper/007:58:290
19388993516,18cyclictest0-21swapper/007:45:480
19388993511,21cyclictest0-21swapper/009:25:360
188012355,12sleep30-21swapper/308:17:453
98362345,13sleep10-21swapper/107:57:061
44552345,10sleep10-21swapper/108:59:551
309162345,10sleep10-21swapper/107:31:011
267312345,10sleep30-21swapper/307:24:173
211862345,10sleep30-21swapper/307:10:303
1939099348,23cyclictest0-21swapper/211:45:022
19390993416,16cyclictest0-21swapper/209:55:112
19390993415,16cyclictest0-21swapper/209:48:092
1938999347,25cyclictest0-21swapper/109:19:291
19389993411,20cyclictest0-21swapper/109:45:471
1938899348,24cyclictest0-21swapper/008:50:280
1938899348,24cyclictest0-21swapper/008:36:590
1938899347,16cyclictest0-21swapper/010:50:100
1938899347,16cyclictest0-21swapper/010:50:100
1938899346,16cyclictest0-21swapper/008:01:520
19388993421,12cyclictest0-21swapper/008:40:490
19388993420,12cyclictest0-21swapper/008:19:590
19388993419,14cyclictest0-21swapper/008:06:430
19388993416,15cyclictest0-21swapper/012:25:570
19388993416,15cyclictest0-21swapper/009:14:130
19388993415,17cyclictest0-21swapper/009:00:500
19388993415,16cyclictest0-21swapper/011:46:070
19388993415,16cyclictest0-21swapper/010:10:290
19388993411,20cyclictest0-21swapper/011:40:190
19388993411,20cyclictest0-21swapper/010:45:250
19388993411,16cyclictest0-21swapper/008:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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