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2026-07-20 - 21:22
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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 Mon Jul 20, 2026 12:45:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2158121410,1sleep210148-21stress10:49:542
2158121410,1sleep210148-21stress10:49:542
2397121190,1sleep010148-21stress12:05:460
20755211352,56sleep10-21swapper/107:05:441
2089329264,23sleep30-21swapper/307:07:183
2105729066,20sleep20-21swapper/207:09:182
1920328052,23sleep00-21swapper/007:05:060
29222660,1sleep210148-21stress12:34:362
273802452,25sleep010148-21stress11:00:320
21219994518,16cyclictest0-21swapper/010:55:190
21219994518,16cyclictest0-21swapper/010:55:180
2122199439,25cyclictest0-21swapper/210:15:462
2122199439,25cyclictest0-21swapper/210:15:452
21219994310,24cyclictest0-21swapper/009:23:260
2121999427,24cyclictest0-21swapper/009:05:010
2121999427,24cyclictest0-21swapper/009:05:010
2122199419,19cyclictest0-21swapper/210:55:142
2122199419,19cyclictest0-21swapper/210:55:132
21219994110,23cyclictest0-21swapper/008:53:370
21221994012,19cyclictest0-21swapper/210:55:012
21219994019,4cyclictest10148-21stress10:00:290
21219994011,22cyclictest0-21swapper/008:04:180
30912395,13sleep20-21swapper/208:50:362
289892395,13sleep20-21swapper/208:38:002
2121999398,20cyclictest0-21swapper/011:44:380
21219993915,18cyclictest0-21swapper/008:25:360
21219993915,17cyclictest0-21swapper/008:46:050
21219993911,20cyclictest0-21swapper/009:00:050
21219993911,20cyclictest0-21swapper/008:05:110
21219993911,19cyclictest0-21swapper/007:25:200
304012385,13sleep20-21swapper/207:26:022
268562385,13sleep20-21swapper/208:33:272
2122199386,22cyclictest0-21swapper/209:40:082
2122199386,22cyclictest0-21swapper/209:40:082
2122199385,24cyclictest0-21swapper/208:15:152
21221993814,22cyclictest0-21swapper/209:59:342
2121999388,23cyclictest0-21swapper/008:30:480
2121999388,12cyclictest0-21swapper/011:13:320
21219993814,21cyclictest0-21swapper/011:50:560
21219993814,18cyclictest0-21swapper/007:59:040
137262385,13sleep20-21swapper/208:04:242
92782375,13sleep00-21swapper/007:53:070
72122375,12sleep20-21swapper/207:49:402
59212375,10sleep20-21swapper/209:00:012
49412374,13sleep30-21swapper/307:44:093
312322375,13sleep00-21swapper/007:30:140
312322375,13sleep00-21swapper/007:30:130
3102375,13sleep10-21swapper/107:32:391
3102375,13sleep10-21swapper/107:32:391
261752375,13sleep30-21swapper/307:18:063
25902375,13sleep30-21swapper/307:37:553
21220993713,21cyclictest0-21swapper/110:05:491
21220993712,22cyclictest0-21swapper/110:50:051
21220993710,25cyclictest0-21swapper/110:10:351
2121999377,24cyclictest0-21swapper/008:24:370
2121999374,25cyclictest0-21swapper/008:10:050
21219993715,19cyclictest0-21swapper/010:10:130
93662365,13sleep10-21swapper/107:54:161
91772364,13sleep30-21swapper/307:51:503
76572365,10sleep30-21swapper/309:02:163
75802365,13sleep10-21swapper/109:01:171
46682365,13sleep10-21swapper/107:40:421
31232364,12sleep30-21swapper/308:50:563
31142365,13sleep10-21swapper/108:50:501
26512365,13sleep10-21swapper/107:38:401
247632364,12sleep30-21swapper/308:29:393
246862365,13sleep10-21swapper/108:28:451
2122199365,16cyclictest0-21swapper/207:15:172
21221993623,11cyclictest0-21swapper/209:15:132
2121999369,21cyclictest0-21swapper/008:35:520
2121999368,19cyclictest0-21swapper/007:20:190
21219993615,18cyclictest0-21swapper/011:05:230
21219993615,15cyclictest0-21swapper/008:55:010
21219993612,21cyclictest0-21swapper/012:02:240
21219993612,21cyclictest0-21swapper/012:02:240
157892365,13sleep10-21swapper/108:07:321
135832364,12sleep30-21swapper/308:02:323
71072354,12sleep30-21swapper/307:48:213
289772354,12sleep30-21swapper/308:37:543
283602355,13sleep10-21swapper/107:23:181
282892354,12sleep30-21swapper/307:22:223
231282354,12sleep30-21swapper/307:12:253
21222993510,22cyclictest0-21swapper/311:15:183
2122199356,20cyclictest0-21swapper/209:30:252
2122199354,11cyclictest0-21swapper/210:38:132
21221993514,19cyclictest0-21swapper/209:11:262
21221993513,19cyclictest0-21swapper/209:48:142
21221993512,20cyclictest0-21swapper/211:30:162
21221993512,20cyclictest0-21swapper/211:30:162
21220993515,17cyclictest0-21swapper/112:18:231
2121999355,23cyclictest0-21swapper/007:15:160
2121999355,20cyclictest0-21swapper/011:33:360
2121999355,20cyclictest0-21swapper/011:33:360
21219993519,14cyclictest0-21swapper/007:44:420
21219993515,17cyclictest0-21swapper/010:42:530
21219993514,18cyclictest0-21swapper/009:44:270
21219993514,18cyclictest0-21swapper/009:44:270
157812354,12sleep30-21swapper/308:07:263
10612354,12sleep30-21swapper/308:48:273
55322345,10sleep20-21swapper/208:58:252
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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