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2026-06-27 - 02:29
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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 Jun 27, 2026 00:45:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3151021220,1sleep124591-21stress23:51:121
1631211451,57sleep00-21swapper/019:05:050
3257211252,21sleep30-21swapper/319:05:373
1750121120,1sleep324591-21stress23:20:193
3587211149,20sleep20-21swapper/219:09:412
3480211050,55sleep10-21swapper/119:08:211
3717994315,25cyclictest0-21swapper/123:19:091
3716994310,30cyclictest0-21swapper/000:14:430
3717994215,24cyclictest0-21swapper/123:04:031
3717994215,24cyclictest0-21swapper/123:04:031
3716994211,28cyclictest0-21swapper/000:36:480
168142419,11sleep30-21swapper/300:33:243
44032395,13sleep20-21swapper/220:20:242
44032395,13sleep20-21swapper/220:20:232
3717993914,15cyclictest0-21swapper/122:20:111
3717993913,23cyclictest0-21swapper/121:35:481
3716993915,22cyclictest0-21swapper/022:25:140
3716993915,22cyclictest0-21swapper/022:25:140
3716993913,23cyclictest0-21swapper/022:01:100
3716993911,25cyclictest0-21swapper/022:20:560
3716993911,25cyclictest0-21swapper/021:55:040
3716993910,26cyclictest0-21swapper/023:42:380
3716993910,26cyclictest0-21swapper/023:42:380
51782385,13sleep20-21swapper/220:25:132
3717993815,21cyclictest0-21swapper/122:27:471
3717993815,21cyclictest0-21swapper/122:27:471
3717993815,20cyclictest0-21swapper/121:51:031
3717993815,20cyclictest0-21swapper/121:51:031
3717993814,21cyclictest0-21swapper/121:57:131
3717993813,23cyclictest0-21swapper/123:26:381
3717993813,22cyclictest0-21swapper/123:06:111
3717993812,24cyclictest0-21swapper/100:18:421
3717993812,24cyclictest0-21swapper/100:18:421
3716993810,25cyclictest0-21swapper/022:55:240
3716993810,25cyclictest0-21swapper/022:32:460
325462389,10sleep20-21swapper/220:11:092
282352389,10sleep20-21swapper/220:02:482
57762378,10sleep20-21swapper/219:13:582
371899376,28cyclictest0-21swapper/223:25:332
3717993716,18cyclictest0-21swapper/122:46:051
3717993714,20cyclictest0-21swapper/122:17:291
3716993714,20cyclictest0-21swapper/023:35:240
3716993714,20cyclictest0-21swapper/023:35:240
3716993714,16cyclictest0-21swapper/023:50:130
3716993712,22cyclictest0-21swapper/021:21:070
3716993711,23cyclictest0-21swapper/023:21:270
305482375,13sleep20-21swapper/220:09:052
259292375,13sleep20-21swapper/219:56:012
172462374,13sleep20-21swapper/219:36:202
133532375,13sleep20-21swapper/220:41:452
106332375,13sleep30-21swapper/319:20:293
88262365,13sleep00-21swapper/019:19:510
3718993615,18cyclictest0-21swapper/223:40:072
3718993615,18cyclictest0-21swapper/223:40:062
3717993615,19cyclictest0-21swapper/123:55:081
3717993614,19cyclictest0-21swapper/123:41:261
3717993614,19cyclictest0-21swapper/123:41:251
3717993614,19cyclictest0-21swapper/123:35:131
3717993614,19cyclictest0-21swapper/123:35:131
3717993613,20cyclictest0-21swapper/100:05:241
3716993613,21cyclictest0-21swapper/023:30:260
3716993612,21cyclictest0-21swapper/000:15:030
3716993612,21cyclictest0-21swapper/000:15:030
3716993610,23cyclictest0-21swapper/000:25:450
239172364,12sleep20-21swapper/219:53:202
218182364,13sleep10-21swapper/119:49:101
217742365,13sleep00-21swapper/019:48:380
195032364,13sleep20-21swapper/219:42:302
194022364,13sleep10-21swapper/119:41:121
155652365,12sleep30-21swapper/320:47:023
112512364,13sleep20-21swapper/220:37:432
111702365,12sleep30-21swapper/320:36:403
91282355,10sleep20-21swapper/220:33:022
88232354,13sleep30-21swapper/319:19:493
3719993513,19cyclictest0-21swapper/322:45:113
371899356,26cyclictest0-21swapper/221:30:282
3718993514,18cyclictest0-21swapper/200:30:022
3718993512,20cyclictest0-21swapper/222:36:092
371799354,21cyclictest0-21swapper/119:35:161
3717993516,16cyclictest0-21swapper/123:33:011
3717993516,16cyclictest0-21swapper/100:20:071
3717993516,16cyclictest0-21swapper/100:20:071
3717993513,19cyclictest0-21swapper/100:00:021
3717993512,20cyclictest0-21swapper/100:10:161
371699357,22cyclictest0-21swapper/021:05:210
3716993516,17cyclictest0-21swapper/022:41:480
3716993514,18cyclictest0-21swapper/021:55:010
3716993514,18cyclictest0-21swapper/021:55:010
3716993512,20cyclictest0-21swapper/022:15:120
3716993512,15cyclictest0-21swapper/023:46:060
3716993512,15cyclictest0-21swapper/023:46:060
3716993511,21cyclictest0-21swapper/023:05:190
3716993511,18cyclictest0-21swapper/020:00:120
26142354,12sleep20-21swapper/220:19:472
259322355,12sleep00-21swapper/019:56:030
237532354,12sleep30-21swapper/319:51:223
222352354,12sleep20-21swapper/221:03:452
216322354,12sleep20-21swapper/219:46:522
179622355,10sleep20-21swapper/220:54:232
173512355,12sleep30-21swapper/319:37:333
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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