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2026-05-09 - 07:40
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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 May 09, 2026 00:45:37)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130021380,1sleep222241-21stress21:35:172
130021380,1sleep222241-21stress21:35:172
1494212465,20sleep30-21swapper/319:05:553
1506210650,51sleep00-21swapper/019:06:030
161629145,43sleep10-21swapper/119:07:211
162428759,23sleep20-21swapper/219:07:252
132132520,1sleep322241-21stress00:32:363
1943994114,24cyclictest0-21swapper/121:50:281
194299407,16cyclictest0-21swapper/023:07:120
1944993912,24cyclictest0-21swapper/223:14:352
1942993914,23cyclictest0-21swapper/000:14:180
1942993911,25cyclictest0-21swapper/023:55:500
1943993814,22cyclictest0-21swapper/122:38:281
194299387,28cyclictest0-21swapper/023:46:490
194299386,16cyclictest0-21swapper/022:10:270
1942993814,9cyclictest0-21swapper/023:20:160
1942993814,9cyclictest0-21swapper/023:20:160
1942993810,25cyclictest0-21swapper/022:49:390
1942993810,25cyclictest0-21swapper/022:20:310
89732375,13sleep20-21swapper/219:22:102
89332375,13sleep10-21swapper/119:21:401
46982375,13sleep00-21swapper/020:27:330
39142375,13sleep10-21swapper/119:12:551
283102375,12sleep30-21swapper/320:06:503
279782375,14sleep10-21swapper/120:05:241
262622375,13sleep00-21swapper/020:02:580
261322375,13sleep20-21swapper/220:01:192
1945993714,20cyclictest0-21swapper/321:19:263
1943993715,20cyclictest0-21swapper/121:10:011
1943993715,20cyclictest0-21swapper/121:10:001
194299378,26cyclictest0-21swapper/000:16:330
194299377,27cyclictest0-21swapper/022:03:070
1942993717,17cyclictest0-21swapper/000:00:160
1942993716,18cyclictest0-21swapper/023:30:170
1942993713,21cyclictest0-21swapper/023:43:360
181252375,13sleep20-21swapper/221:00:062
68642365,12sleep20-21swapper/219:17:412
68422365,13sleep00-21swapper/019:17:230
53152364,13sleep10-21swapper/119:15:111
304892364,13sleep30-21swapper/320:12:033
284522365,13sleep20-21swapper/220:08:372
282062365,13sleep00-21swapper/020:05:300
217732365,13sleep10-21swapper/119:50:401
198242365,13sleep10-21swapper/121:02:581
1943993615,19cyclictest0-21swapper/100:20:201
1943993614,20cyclictest0-21swapper/123:30:141
194299367,26cyclictest0-21swapper/023:15:510
1942993615,19cyclictest0-21swapper/022:28:160
1942993615,18cyclictest0-21swapper/022:44:410
1942993614,20cyclictest0-21swapper/021:35:580
1942993614,20cyclictest0-21swapper/021:35:580
175922365,13sleep10-21swapper/120:56:411
154662365,10sleep20-21swapper/220:52:212
134212364,13sleep30-21swapper/319:34:143
134212364,13sleep30-21swapper/319:34:143
133112365,13sleep10-21swapper/120:47:211
131752365,13sleep00-21swapper/019:31:110
131752365,13sleep00-21swapper/019:31:110
91342355,12sleep10-21swapper/120:38:441
51652355,12sleep10-21swapper/120:30:101
48212355,12sleep10-21swapper/120:29:101
261142354,12sleep30-21swapper/320:01:093
23982354,12sleep30-21swapper/320:21:263
1945993519,14cyclictest0-21swapper/321:20:063
1945993518,15cyclictest0-21swapper/321:59:183
194399359,23cyclictest0-21swapper/122:55:241
194399357,25cyclictest0-21swapper/123:25:281
1943993515,18cyclictest0-21swapper/121:55:291
194299359,17cyclictest0-21swapper/000:20:380
1942993515,18cyclictest0-21swapper/021:40:060
1942993512,18cyclictest0-21swapper/020:15:320
1942993511,21cyclictest0-21swapper/021:50:050
1942993511,21cyclictest0-21swapper/021:45:360
1942993511,21cyclictest0-21swapper/021:24:180
174652354,12sleep30-21swapper/319:40:363
134822355,13sleep00-21swapper/020:49:300
133672354,13sleep30-21swapper/320:48:053
3922345,13sleep10-21swapper/120:19:021
218292345,10sleep20-21swapper/219:51:222
196742345,10sleep20-21swapper/219:46:362
1945993410,21cyclictest0-21swapper/323:05:593
1944993414,17cyclictest0-21swapper/222:37:552
1944993413,18cyclictest0-21swapper/200:05:312
194399347,24cyclictest0-21swapper/100:28:011
1943993413,19cyclictest0-21swapper/121:10:131
194299349,23cyclictest0-21swapper/022:06:020
1942993417,16cyclictest0-21swapper/020:24:200
1942993416,16cyclictest0-21swapper/021:30:260
1942993415,17cyclictest0-21swapper/000:30:140
1942993414,18cyclictest0-21swapper/000:05:060
1942993411,20cyclictest0-21swapper/023:25:140
1942993411,20cyclictest0-21swapper/000:35:150
1942993411,20cyclictest0-21swapper/000:35:140
1942993410,21cyclictest0-21swapper/021:57:040
177862344,12sleep30-21swapper/320:59:073
177852345,10sleep20-21swapper/219:44:362
153002345,13sleep10-21swapper/119:35:451
89252334,10sleep30-21swapper/319:21:343
38022335,13sleep00-21swapper/019:11:330
241732335,10sleep10-21swapper/119:58:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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