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2025-11-27 - 23:35
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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 Nov 27, 2025 12:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12851211854,58sleep30-21swapper/307:06:053
11276211757,55sleep20-21swapper/207:05:122
12973211552,23sleep00-21swapper/007:07:350
1292129151,35sleep10-21swapper/107:06:571
178472640,1sleep02019-21stress10:59:470
178472640,1sleep02019-21stress10:59:470
13271994721,23cyclictest0-21swapper/211:26:102
13271994623,21cyclictest0-21swapper/209:22:532
1327199443,19cyclictest0-21swapper/212:05:342
13271994421,20cyclictest0-21swapper/210:09:502
285812430,1sleep02022-21stress11:21:200
192792420,1sleep219278-21hwlatdetect07:20:162
1327199425,18cyclictest0-21swapper/211:02:182
1327199423,36cyclictest2019-21stress11:30:232
1327199423,36cyclictest2019-21stress11:30:232
13271994222,17cyclictest0-21swapper/209:33:042
272012415,14sleep10-21swapper/107:39:161
230782415,14sleep30-21swapper/308:40:293
182662415,14sleep30-21swapper/307:18:053
166862415,14sleep10-21swapper/108:28:241
1327199415,18cyclictest0-21swapper/211:05:282
13271994122,17cyclictest0-21swapper/210:40:242
13271994120,19cyclictest0-21swapper/209:25:172
1327199405,18cyclictest0-21swapper/212:20:232
1327199405,18cyclictest0-21swapper/211:45:172
1327199405,18cyclictest0-21swapper/210:52:232
1327199405,18cyclictest0-21swapper/210:45:362
1327199405,18cyclictest0-21swapper/209:15:012
1327199405,18cyclictest0-21swapper/208:45:332
1327199405,17cyclictest0-21swapper/209:09:172
1327199405,17cyclictest0-21swapper/208:10:232
1327199404,18cyclictest0-21swapper/207:34:212
1327199403,34cyclictest0-21swapper/211:11:562
13271994021,16cyclictest0-21swapper/210:25:032
13271994010,27cyclictest0-21swapper/211:50:022
13271994010,27cyclictest0-21swapper/211:50:022
9982395,13sleep30-21swapper/307:50:293
57072395,12sleep10-21swapper/108:04:221
247902395,13sleep30-21swapper/307:31:563
1327199398,28cyclictest0-21swapper/210:55:132
1327199398,28cyclictest0-21swapper/210:55:122
1327199396,29cyclictest2022-21stress11:15:242
1327199396,29cyclictest2022-21stress11:15:242
1327199395,18cyclictest0-21swapper/208:30:052
1327199395,18cyclictest0-21swapper/208:04:452
1327199395,17cyclictest0-21swapper/207:50:392
1327199395,17cyclictest0-21swapper/207:45:162
1327199395,17cyclictest0-21swapper/207:45:162
1327199395,15cyclictest0-21swapper/208:05:212
1327199395,15cyclictest0-21swapper/207:15:112
1327199395,14cyclictest0-21swapper/208:35:132
1327199394,32cyclictest0-21swapper/212:12:072
1327199394,15cyclictest0-21swapper/208:51:512
1327199393,33cyclictest0-21swapper/209:55:192
1327199393,32cyclictest0-21swapper/210:35:172
1327199393,19cyclictest0-21swapper/208:43:092
1327199393,18cyclictest0-21swapper/208:20:232
13271993921,15cyclictest0-21swapper/210:22:302
34122385,12sleep00-21swapper/007:58:120
298892385,13sleep30-21swapper/308:58:303
275192385,13sleep30-21swapper/308:51:073
203202385,12sleep00-21swapper/007:21:040
183822385,12sleep10-21swapper/107:19:311
1327199389,26cyclictest0-21swapper/210:16:512
1327199386,28cyclictest2022-21stress12:39:002
1327199385,18cyclictest0-21swapper/210:10:212
1327199385,17cyclictest0-21swapper/211:40:252
1327199385,17cyclictest0-21swapper/209:01:302
1327199385,17cyclictest0-21swapper/208:55:212
1327199385,17cyclictest0-21swapper/207:10:002
1327199384,32cyclictest10452-21/usr/sbin/munin08:15:132
1327199384,18cyclictest0-21swapper/207:55:032
1327199384,17cyclictest0-21swapper/209:10:302
1327199384,15cyclictest0-21swapper/208:25:102
1327199383,19cyclictest0-21swapper/207:27:232
1327199383,18cyclictest0-21swapper/207:35:072
13271993820,16cyclictest0-21swapper/212:30:192
13271993820,16cyclictest0-21swapper/212:30:192
314162375,11sleep30-21swapper/307:47:373
314162375,11sleep30-21swapper/307:47:363
294342375,12sleep10-21swapper/107:44:461
270002375,13sleep30-21swapper/307:36:423
233722375,12sleep00-21swapper/008:44:110
187042375,12sleep00-21swapper/008:31:080
1327199378,26cyclictest0-21swapper/212:03:552
1327199375,4cyclictest2019-21stress09:50:272
1327199375,29cyclictest2019-21stress10:00:242
1327199375,17cyclictest0-21swapper/209:36:392
1327199373,20cyclictest0-21swapper/211:20:132
1327199373,17cyclictest0-21swapper/211:35:162
13271993720,15cyclictest0-21swapper/211:55:272
13271993719,16cyclictest0-21swapper/212:15:132
312642365,15sleep00-21swapper/007:45:410
312642365,15sleep00-21swapper/007:45:410
233632365,12sleep10-21swapper/108:44:041
1327199366,27cyclictest2019-21stress09:48:512
1327199366,27cyclictest2019-21stress09:48:512
1327199364,12cyclictest0-21swapper/207:40:142
1327199363,4cyclictest2019-21stress10:32:212
1327199363,4cyclictest2019-21stress10:32:212
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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