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2026-05-07 - 14:06
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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 May 07, 2026 00:45:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
9418212259,56sleep20-21swapper/219:05:262
9739211452,23sleep10-21swapper/119:09:271
9661211453,23sleep00-21swapper/019:08:250
9598211353,20sleep30-21swapper/319:07:393
319992550,1sleep330075-21stress22:28:123
319992550,1sleep330075-21stress22:28:113
9885994710,22cyclictest0-21swapper/023:45:320
9887994610,25cyclictest0-21swapper/223:30:282
9887994610,25cyclictest0-21swapper/223:30:282
9886994613,20cyclictest0-21swapper/121:35:021
58312460,1sleep230075-21stress23:55:462
988599419,17cyclictest0-21swapper/023:25:580
9885994115,23cyclictest0-21swapper/000:39:290
9887994016,20cyclictest0-21swapper/223:53:522
9885994015,22cyclictest0-21swapper/022:40:160
9885994012,25cyclictest0-21swapper/021:25:170
9885993911,17cyclictest0-21swapper/019:35:220
147832395,14sleep20-21swapper/219:18:462
9888993823,12cyclictest0-21swapper/322:14:133
988599389,26cyclictest0-21swapper/022:15:360
9885993815,21cyclictest0-21swapper/022:22:340
9885993815,21cyclictest0-21swapper/022:22:340
84342385,13sleep20-21swapper/220:19:402
275632385,13sleep20-21swapper/221:01:242
212692385,13sleep20-21swapper/219:33:462
102562385,13sleep20-21swapper/220:20:292
9888993720,14cyclictest0-21swapper/321:25:363
988799378,19cyclictest0-21swapper/223:22:532
9887993712,22cyclictest0-21swapper/221:46:062
9887993712,22cyclictest0-21swapper/221:46:062
988599379,25cyclictest0-21swapper/023:43:440
988599377,23cyclictest0-21swapper/023:55:170
9885993713,22cyclictest0-21swapper/022:45:160
255012375,13sleep20-21swapper/219:42:402
254172375,13sleep00-21swapper/020:56:200
168842375,13sleep00-21swapper/019:22:410
130212375,13sleep20-21swapper/220:30:042
988899369,24cyclictest0-21swapper/300:05:213
988899369,24cyclictest0-21swapper/300:05:213
9888993620,14cyclictest0-21swapper/321:40:303
9888993620,14cyclictest0-21swapper/321:40:303
9887993616,17cyclictest0-21swapper/221:59:302
9887993614,19cyclictest0-21swapper/200:11:052
988599369,22cyclictest0-21swapper/020:00:060
988599367,26cyclictest0-21swapper/023:50:110
9885993615,18cyclictest0-21swapper/022:11:220
39582365,13sleep00-21swapper/020:08:080
39482365,13sleep10-21swapper/120:08:011
321172365,13sleep20-21swapper/219:59:282
321172365,13sleep20-21swapper/219:59:272
274622365,13sleep00-21swapper/019:45:270
211672365,13sleep10-21swapper/120:47:151
168642365,13sleep10-21swapper/120:37:081
9888993521,12cyclictest0-21swapper/300:24:263
9888993520,12cyclictest0-21swapper/323:10:343
9888993519,13cyclictest0-21swapper/321:50:253
9888993519,13cyclictest0-21swapper/300:35:243
988799357,25cyclictest0-21swapper/221:42:562
988799357,25cyclictest0-21swapper/221:42:562
9887993514,18cyclictest0-21swapper/223:17:162
9886993514,19cyclictest0-21swapper/100:15:171
988599359,24cyclictest0-21swapper/021:35:280
988599358,24cyclictest0-21swapper/000:05:130
988599358,24cyclictest0-21swapper/000:05:130
9885993515,18cyclictest0-21swapper/023:13:340
9885993515,17cyclictest0-21swapper/022:27:410
9885993515,17cyclictest0-21swapper/022:27:410
9885993514,19cyclictest0-21swapper/022:56:200
9885993514,19cyclictest0-21swapper/022:56:200
9885993510,22cyclictest0-21swapper/021:10:150
9885993510,22cyclictest0-21swapper/021:10:150
65682355,13sleep00-21swapper/020:15:090
62622355,13sleep10-21swapper/120:14:351
324552354,13sleep10-21swapper/120:00:111
232552355,10sleep20-21swapper/220:51:172
232382355,12sleep10-21swapper/120:51:041
211612355,13sleep00-21swapper/020:47:100
19912350,3sleep330074-21stress23:50:023
127202354,13sleep10-21swapper/120:29:311
9888993417,15cyclictest0-21swapper/321:33:013
9888993410,21cyclictest0-21swapper/323:41:513
9887993416,15cyclictest0-21swapper/222:20:212
9887993416,15cyclictest0-21swapper/222:20:202
9887993415,16cyclictest0-21swapper/222:31:572
9887993414,17cyclictest0-21swapper/221:38:442
988699349,22cyclictest0-21swapper/121:40:271
988699349,22cyclictest0-21swapper/121:40:271
988699347,25cyclictest0-21swapper/121:12:281
988699347,25cyclictest0-21swapper/121:12:281
9886993413,18cyclictest0-21swapper/122:50:281
988599349,17cyclictest0-21swapper/020:20:210
988599348,23cyclictest0-21swapper/023:30:140
988599348,23cyclictest0-21swapper/023:30:140
988599346,26cyclictest0-21swapper/021:15:240
9885993412,19cyclictest0-21swapper/021:47:330
9885993412,19cyclictest0-21swapper/021:47:330
80782344,12sleep10-21swapper/120:15:311
60912345,10sleep20-21swapper/220:12:312
40602345,10sleep20-21swapper/220:09:272
319942345,10sleep00-21swapper/019:57:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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