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2026-07-02 - 11:36
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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 Thu Jul 02, 2026 00:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3434211958,56sleep30-21swapper/319:08:573
3361211353,55sleep20-21swapper/219:08:052
348628555,24sleep00-21swapper/019:09:360
314728355,23sleep10-21swapper/119:05:301
3625994617,27cyclictest0-21swapper/321:37:033
362399458,34cyclictest0-21swapper/121:39:211
3624994410,21cyclictest0-21swapper/223:23:512
3623994312,28cyclictest0-21swapper/121:21:441
3623994312,28cyclictest0-21swapper/121:21:441
3623994214,14cyclictest0-21swapper/123:20:161
3623994211,28cyclictest0-21swapper/123:47:271
3623994211,28cyclictest0-21swapper/123:44:261
3623994211,28cyclictest0-21swapper/123:25:421
3622994215,11cyclictest0-21swapper/022:24:250
362399419,29cyclictest0-21swapper/122:02:581
3623994115,23cyclictest0-21swapper/122:40:341
3623994115,23cyclictest0-21swapper/122:26:011
3623994111,27cyclictest0-21swapper/123:03:571
3623994110,28cyclictest0-21swapper/100:15:471
3625994016,21cyclictest0-21swapper/322:47:473
3625994016,21cyclictest0-21swapper/321:14:293
3623994016,22cyclictest0-21swapper/122:50:221
3623994016,22cyclictest0-21swapper/122:50:221
3623994015,22cyclictest0-21swapper/123:30:371
3623994014,23cyclictest0-21swapper/121:10:511
3623994011,26cyclictest0-21swapper/121:31:321
3623994011,26cyclictest0-21swapper/121:31:321
362299408,26cyclictest0-21swapper/020:20:230
3625993916,20cyclictest0-21swapper/323:40:293
3625993912,25cyclictest0-21swapper/322:27:553
3625993911,25cyclictest0-21swapper/321:50:123
3625993911,25cyclictest0-21swapper/321:50:123
362399397,29cyclictest0-21swapper/122:21:311
362399397,29cyclictest0-21swapper/100:05:301
3623993914,22cyclictest0-21swapper/122:30:031
3623993912,24cyclictest0-21swapper/123:35:581
3623993911,25cyclictest0-21swapper/100:25:171
3623993911,25cyclictest0-21swapper/100:25:171
3623993910,26cyclictest0-21swapper/100:22:251
3622993915,21cyclictest0-21swapper/000:06:280
149692395,16sleep20-21swapper/219:31:152
3625993817,18cyclictest0-21swapper/323:35:243
3625993817,18cyclictest0-21swapper/321:33:033
3625993817,18cyclictest0-21swapper/321:33:033
3625993814,21cyclictest0-21swapper/323:45:303
3625993814,21cyclictest0-21swapper/300:10:343
3625993813,22cyclictest0-21swapper/323:02:233
3624993816,19cyclictest0-21swapper/223:52:012
3624993816,19cyclictest0-21swapper/223:32:542
3624993816,19cyclictest0-21swapper/221:59:332
3624993816,19cyclictest0-21swapper/200:05:142
3624993815,20cyclictest0-21swapper/222:14:412
362399388,27cyclictest0-21swapper/122:35:201
362399388,27cyclictest0-21swapper/122:35:201
3623993815,21cyclictest0-21swapper/123:10:161
3623993815,21cyclictest0-21swapper/123:10:161
3623993813,22cyclictest0-21swapper/121:40:241
3623993810,25cyclictest0-21swapper/122:49:381
3623993810,25cyclictest0-21swapper/100:10:281
362299385,17cyclictest0-21swapper/000:15:150
3622993812,17cyclictest0-21swapper/022:55:270
242232385,16sleep20-21swapper/221:06:502
242232385,16sleep20-21swapper/221:06:502
91072375,14sleep20-21swapper/220:33:212
3625993716,18cyclictest0-21swapper/323:20:203
3625993711,23cyclictest0-21swapper/323:25:153
3625993711,23cyclictest0-21swapper/322:50:123
3625993711,23cyclictest0-21swapper/322:50:123
3625993711,23cyclictest0-21swapper/321:20:173
3625993711,23cyclictest0-21swapper/321:20:173
3625993711,23cyclictest0-21swapper/300:25:373
3625993711,23cyclictest0-21swapper/300:25:363
3625993710,24cyclictest0-21swapper/321:40:263
3624993716,19cyclictest0-21swapper/223:37:092
3624993715,19cyclictest0-21swapper/222:15:022
362399378,26cyclictest0-21swapper/122:05:031
3623993714,20cyclictest0-21swapper/123:15:161
3622993716,18cyclictest0-21swapper/022:15:320
282582375,14sleep00-21swapper/020:03:490
25112375,14sleep20-21swapper/220:19:072
222742375,16sleep00-21swapper/021:04:350
178012375,15sleep20-21swapper/220:52:552
173222375,13sleep20-21swapper/219:38:132
110592375,13sleep20-21swapper/220:35:542
110592375,13sleep20-21swapper/220:35:542
55232365,16sleep00-21swapper/019:12:120
362599363,30cyclictest31410-21aten2_r7power_e21:25:123
3625993617,17cyclictest0-21swapper/300:35:333
3625993616,18cyclictest0-21swapper/322:00:413
3625993615,18cyclictest0-21swapper/323:30:433
3625993614,19cyclictest0-21swapper/300:15:413
3625993613,20cyclictest0-21swapper/323:11:003
3625993613,20cyclictest0-21swapper/323:11:003
3625993613,20cyclictest0-21swapper/322:20:253
3625993613,20cyclictest0-21swapper/300:20:303
3625993611,23cyclictest0-21swapper/322:35:283
3625993611,23cyclictest0-21swapper/322:35:273
3625993611,22cyclictest0-21swapper/322:20:003
362399369,24cyclictest0-21swapper/122:11:161
3623993611,22cyclictest0-21swapper/100:32:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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