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2026-05-08 - 11:06
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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 Fri May 08, 2026 00:45:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
13450212161,55sleep30-21swapper/319:07:043
13591211757,55sleep20-21swapper/219:08:482
13600211551,59sleep10-21swapper/119:08:551
13568211351,57sleep00-21swapper/019:08:290
187822423,22sleep01617-21stress23:04:550
13782994216,18cyclictest0-21swapper/020:03:430
13783994113,25cyclictest0-21swapper/123:09:241
13783994113,25cyclictest0-21swapper/123:09:241
13782994114,24cyclictest0-21swapper/023:13:070
13782994114,24cyclictest0-21swapper/023:13:070
13782994114,21cyclictest0-21swapper/020:12:120
13784994016,22cyclictest0-21swapper/223:22:562
13782994016,18cyclictest0-21swapper/020:15:520
13782994016,18cyclictest0-21swapper/019:40:590
13782994015,17cyclictest0-21swapper/021:08:120
13782994014,23cyclictest0-21swapper/022:56:070
13785993915,21cyclictest0-21swapper/323:56:163
13782993915,16cyclictest0-21swapper/020:40:270
13782993915,16cyclictest0-21swapper/020:39:430
13782993914,19cyclictest0-21swapper/021:00:280
13782993914,17cyclictest0-21swapper/020:55:020
13782993914,17cyclictest0-21swapper/019:50:480
33932385,13sleep30-21swapper/319:56:053
255962386,13sleep00-21swapper/020:50:080
164112385,13sleep30-21swapper/320:26:163
13785993813,22cyclictest0-21swapper/321:33:143
13782993815,18cyclictest0-21swapper/020:34:430
13782993812,20cyclictest0-21swapper/019:14:480
13782993810,25cyclictest0-21swapper/022:37:020
13782993810,25cyclictest0-21swapper/022:37:020
56572375,13sleep20-21swapper/220:02:172
314302375,13sleep20-21swapper/221:00:392
292922375,13sleep30-21swapper/320:56:123
288622375,14sleep10-21swapper/119:40:231
273412375,13sleep20-21swapper/219:38:552
271982375,13sleep20-21swapper/220:51:452
207102375,13sleep20-21swapper/219:21:522
164362375,13sleep20-21swapper/220:26:352
163782375,13sleep00-21swapper/020:25:540
141712375,13sleep20-21swapper/220:20:392
1378499378,26cyclictest0-21swapper/223:30:352
13784993714,21cyclictest0-21swapper/223:18:372
13782993712,17cyclictest0-21swapper/020:08:430
13782993712,17cyclictest0-21swapper/019:47:420
13782993711,19cyclictest0-21swapper/019:31:120
56022365,12sleep10-21swapper/120:01:371
315332365,11sleep30-21swapper/321:02:023
294312365,12sleep20-21swapper/220:57:512
271702365,13sleep00-21swapper/019:36:450
271122365,12sleep30-21swapper/320:50:383
251732365,12sleep20-21swapper/219:33:262
186902365,13sleep00-21swapper/019:18:170
185722365,13sleep10-21swapper/120:31:271
144962365,12sleep10-21swapper/120:24:461
13785993616,17cyclictest0-21swapper/322:51:213
13785993616,17cyclictest0-21swapper/322:51:203
13785993612,21cyclictest0-21swapper/323:05:303
13785993612,21cyclictest0-21swapper/323:05:293
1378499365,28cyclictest0-21swapper/222:00:352
1378499365,28cyclictest0-21swapper/222:00:352
13784993612,22cyclictest0-21swapper/200:05:192
13784993611,22cyclictest0-21swapper/200:25:132
13784993611,22cyclictest0-21swapper/200:25:132
13783993615,19cyclictest0-21swapper/100:34:401
1378299364,25cyclictest0-21swapper/019:20:030
13782993617,16cyclictest0-21swapper/022:30:480
13782993614,19cyclictest0-21swapper/021:12:480
13782993611,17cyclictest0-21swapper/020:45:490
13782993611,17cyclictest0-21swapper/020:45:480
36202355,12sleep10-21swapper/119:58:511
34762355,12sleep00-21swapper/019:57:060
292262355,12sleep30-21swapper/319:40:413
230262355,11sleep10-21swapper/120:43:141
13785993515,17cyclictest0-21swapper/322:25:043
13785993514,19cyclictest0-21swapper/323:21:013
13785993514,11cyclictest0-21swapper/322:20:413
13785993511,21cyclictest0-21swapper/322:06:513
13785993511,21cyclictest0-21swapper/321:35:173
13785993511,21cyclictest0-21swapper/321:35:173
13784993512,20cyclictest0-21swapper/223:45:112
13784993512,20cyclictest0-21swapper/223:45:102
1378399355,18cyclictest0-21swapper/120:27:111
13782993516,16cyclictest0-21swapper/021:51:400
13782993515,17cyclictest0-21swapper/021:15:240
13782993514,18cyclictest0-21swapper/021:45:210
13782993514,16cyclictest0-21swapper/020:20:030
13782993510,22cyclictest0-21swapper/023:15:070
13782993510,16cyclictest0-21swapper/019:25:120
314552345,10sleep30-21swapper/319:46:183
206432345,10sleep30-21swapper/320:35:393
13785993416,16cyclictest0-21swapper/322:45:303
13785993416,15cyclictest0-21swapper/300:05:353
13785993414,18cyclictest0-21swapper/323:30:333
13785993414,18cyclictest0-21swapper/321:10:213
13785993413,18cyclictest0-21swapper/321:25:013
1378499347,24cyclictest0-21swapper/221:45:202
1378499347,24cyclictest0-21swapper/200:10:252
13784993417,15cyclictest0-21swapper/223:05:252
13784993417,15cyclictest0-21swapper/223:05:252
13784993415,16cyclictest0-21swapper/223:45:022
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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