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2026-06-02 - 02:36
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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 Jun 02, 2026 00:45:42)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1693321200,1sleep110528-21stress21:24:291
1693321200,1sleep110528-21stress21:24:291
21881211756,56sleep20-21swapper/219:06:272
22005211656,55sleep30-21swapper/319:07:553
21940211251,56sleep10-21swapper/119:07:091
2192828556,24sleep00-21swapper/019:07:010
164172480,3sleep110531-21stress22:35:311
2227799435,23cyclictest0-21swapper/122:57:401
22276994310,26cyclictest0-21swapper/020:10:010
174042415,13sleep20-21swapper/220:10:142
22276994010,20cyclictest0-21swapper/019:29:320
2227699395,26cyclictest0-21swapper/000:05:010
2227699395,24cyclictest0-21swapper/021:23:480
2227699395,24cyclictest0-21swapper/021:23:480
93672385,13sleep30-21swapper/319:50:233
22278993814,21cyclictest0-21swapper/223:03:192
2227699385,22cyclictest0-21swapper/020:50:060
22276993815,20cyclictest0-21swapper/021:35:030
22276993811,24cyclictest0-21swapper/000:05:100
22276993811,17cyclictest0-21swapper/020:57:310
22276993810,19cyclictest0-21swapper/021:07:010
99842375,13sleep10-21swapper/119:52:101
94922375,14sleep00-21swapper/019:50:230
81142375,13sleep30-21swapper/321:02:573
55362375,13sleep20-21swapper/219:41:042
37762375,13sleep30-21swapper/320:53:103
294262375,13sleep10-21swapper/120:36:331
293322375,13sleep30-21swapper/319:23:213
241022375,12sleep20-21swapper/219:11:412
2227699377,24cyclictest0-21swapper/020:30:230
2227699377,24cyclictest0-21swapper/020:30:230
22276993716,19cyclictest0-21swapper/022:00:290
22276993715,19cyclictest0-21swapper/023:30:450
22276993714,21cyclictest0-21swapper/022:20:270
22276993710,19cyclictest0-21swapper/020:46:060
186502375,13sleep30-21swapper/320:12:123
58702365,13sleep10-21swapper/120:57:061
35382365,12sleep10-21swapper/119:38:051
317932365,12sleep10-21swapper/120:43:261
316222365,13sleep10-21swapper/119:29:201
315932365,13sleep00-21swapper/020:41:050
274422365,13sleep30-21swapper/320:33:383
274422365,13sleep30-21swapper/320:33:383
252062365,13sleep30-21swapper/320:27:393
243222365,12sleep30-21swapper/319:14:183
241762365,13sleep00-21swapper/019:12:310
229692365,12sleep10-21swapper/120:21:531
22278993612,21cyclictest0-21swapper/222:51:382
2227699369,24cyclictest0-21swapper/021:35:000
2227699369,24cyclictest0-21swapper/021:35:000
22276993611,17cyclictest0-21swapper/019:44:020
22276993610,23cyclictest0-21swapper/022:30:020
22276993610,20cyclictest0-21swapper/020:20:230
209052365,13sleep00-21swapper/020:18:220
164772365,12sleep10-21swapper/120:07:001
13612365,13sleep00-21swapper/019:33:440
126212365,13sleep00-21swapper/020:00:030
81582355,10sleep20-21swapper/221:03:282
295972355,12sleep00-21swapper/020:38:350
276022355,10sleep20-21swapper/219:20:112
22279993511,21cyclictest0-21swapper/322:29:083
2227899359,23cyclictest0-21swapper/200:02:372
22278993515,18cyclictest0-21swapper/221:37:392
22278993514,19cyclictest0-21swapper/223:55:312
2227799355,23cyclictest0-21swapper/121:00:381
2227699359,23cyclictest0-21swapper/021:55:300
2227699359,23cyclictest0-21swapper/021:55:290
2227699356,20cyclictest0-21swapper/020:26:180
2227699355,15cyclictest0-21swapper/023:54:330
22276993515,18cyclictest0-21swapper/019:21:300
22276993514,15cyclictest0-21swapper/023:35:100
22276993511,22cyclictest0-21swapper/022:10:260
22276993510,17cyclictest0-21swapper/019:56:020
207742355,12sleep10-21swapper/120:17:001
322062345,10sleep20-21swapper/220:45:042
294482345,10sleep30-21swapper/320:36:513
294372345,10sleep20-21swapper/220:36:412
240862345,10sleep10-21swapper/119:11:281
2227899344,18cyclictest0-21swapper/222:10:112
22278993411,20cyclictest0-21swapper/200:15:062
22278993411,20cyclictest0-21swapper/200:15:062
22278993410,21cyclictest0-21swapper/223:46:102
22278993410,21cyclictest0-21swapper/223:18:022
2227699349,22cyclictest0-21swapper/022:05:120
2227699349,22cyclictest0-21swapper/021:40:260
2227699347,25cyclictest0-21swapper/021:25:160
2227699346,25cyclictest0-21swapper/023:05:240
2227699346,25cyclictest0-21swapper/023:05:230
22276993414,18cyclictest0-21swapper/023:16:560
22276993413,19cyclictest0-21swapper/022:50:330
22276993413,19cyclictest0-21swapper/021:50:270
22276993413,19cyclictest0-21swapper/021:50:270
22276993411,14cyclictest0-21swapper/019:17:060
206582345,10sleep30-21swapper/320:15:333
121212345,12sleep10-21swapper/119:57:031
29972335,10sleep10-21swapper/120:50:191
293642335,10sleep10-21swapper/119:23:391
274062335,10sleep10-21swapper/120:33:121
274062335,10sleep10-21swapper/120:33:121
2227999338,22cyclictest0-21swapper/322:31:283
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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