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2026-05-11 - 16:41
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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 May 11, 2026 12:45:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12098211352,56sleep20-21swapper/207:06:452
12013211253,20sleep30-21swapper/307:05:453
1204728556,24sleep10-21swapper/107:06:121
1218728355,23sleep00-21swapper/007:07:510
12457994212,23cyclictest0-21swapper/008:26:140
1245799415,25cyclictest0-21swapper/009:35:010
12457994116,19cyclictest0-21swapper/012:24:380
12457994116,19cyclictest0-21swapper/012:24:370
12460994014,23cyclictest0-21swapper/309:19:453
12459994022,15cyclictest0-21swapper/210:27:092
1245799408,24cyclictest0-21swapper/010:20:420
12457994027,11cyclictest0-21swapper/010:41:440
12457994027,11cyclictest0-21swapper/010:41:440
12457994014,19cyclictest0-21swapper/008:00:280
12457994013,21cyclictest0-21swapper/008:46:430
12457994013,21cyclictest0-21swapper/008:46:430
1245999396,23cyclictest0-21swapper/211:00:112
12457993912,21cyclictest0-21swapper/009:02:410
12457993912,21cyclictest0-21swapper/008:21:140
12457993912,20cyclictest0-21swapper/009:06:150
236322385,13sleep30-21swapper/307:30:483
173482385,13sleep20-21swapper/207:18:082
12459993816,19cyclictest0-21swapper/210:15:022
12457993816,19cyclictest0-21swapper/011:50:450
12457993813,23cyclictest0-21swapper/011:59:520
12457993813,23cyclictest0-21swapper/011:59:520
303282375,13sleep30-21swapper/307:48:493
302222375,13sleep20-21swapper/207:47:312
238592375,13sleep10-21swapper/107:33:401
172172375,13sleep30-21swapper/307:16:413
151462375,13sleep30-21swapper/308:27:063
145352375,11sleep30-21swapper/307:14:563
141802375,13sleep20-21swapper/207:10:272
1245999375,15cyclictest0-21swapper/210:30:242
12457993718,17cyclictest0-21swapper/011:49:370
12457993715,19cyclictest0-21swapper/012:25:090
12457993715,19cyclictest0-21swapper/012:25:090
12457993714,21cyclictest0-21swapper/010:09:440
12457993714,21cyclictest0-21swapper/010:09:430
107872375,13sleep30-21swapper/308:16:363
66152365,13sleep00-21swapper/008:08:180
302862365,13sleep10-21swapper/107:48:181
301192365,12sleep30-21swapper/309:00:383
259392365,13sleep10-21swapper/108:52:061
217542365,12sleep10-21swapper/107:29:181
142322365,13sleep10-21swapper/107:11:051
12460993617,16cyclictest0-21swapper/312:27:503
12460993617,16cyclictest0-21swapper/312:27:493
1245899365,14cyclictest0-21swapper/112:05:241
1245799365,24cyclictest0-21swapper/007:15:140
1245799365,22cyclictest0-21swapper/011:44:440
12457993615,19cyclictest0-21swapper/011:05:320
12457993612,19cyclictest0-21swapper/007:40:300
12457993612,18cyclictest0-21swapper/007:27:420
12457993611,22cyclictest0-21swapper/012:38:490
12457993611,22cyclictest0-21swapper/010:30:330
12457993611,15cyclictest0-21swapper/009:22:480
12457993611,15cyclictest0-21swapper/009:22:480
12457993610,20cyclictest0-21swapper/010:10:300
12457993610,20cyclictest0-21swapper/010:10:300
85742355,10sleep30-21swapper/308:10:463
323582355,12sleep00-21swapper/007:51:380
280442355,10sleep20-21swapper/207:42:192
279502355,13sleep10-21swapper/108:55:271
194952355,11sleep20-21swapper/207:23:132
12459993516,17cyclictest0-21swapper/209:34:452
12459993511,21cyclictest0-21swapper/212:12:202
1245799355,23cyclictest0-21swapper/008:30:240
12457993516,17cyclictest0-21swapper/012:05:060
12457993514,19cyclictest0-21swapper/009:25:220
12457993514,19cyclictest0-21swapper/009:25:220
12457993513,20cyclictest0-21swapper/010:50:180
12457993511,18cyclictest0-21swapper/007:35:070
108782355,13sleep10-21swapper/108:17:381
88132345,10sleep10-21swapper/108:13:451
258212345,10sleep30-21swapper/308:50:363
239412345,10sleep20-21swapper/207:34:402
193822345,10sleep30-21swapper/308:36:083
12459993416,16cyclictest0-21swapper/211:25:442
12459993416,15cyclictest0-21swapper/211:22:342
12459993414,17cyclictest0-21swapper/211:16:362
12459993412,19cyclictest0-21swapper/212:15:102
1245899345,15cyclictest0-21swapper/110:10:191
1245899345,15cyclictest0-21swapper/110:10:181
12458993415,17cyclictest0-21swapper/111:40:351
12458993415,16cyclictest0-21swapper/112:00:221
12458993415,16cyclictest0-21swapper/110:09:451
12458993415,16cyclictest0-21swapper/110:09:451
1245799349,20cyclictest0-21swapper/007:45:480
1245799347,22cyclictest0-21swapper/007:20:230
1245799346,18cyclictest0-21swapper/009:40:360
1245799345,21cyclictest0-21swapper/008:51:560
1245799343,29cyclictest0-21swapper/007:30:540
12457993414,17cyclictest0-21swapper/011:15:320
12457993413,19cyclictest0-21swapper/011:30:240
12457993411,12cyclictest0-21swapper/011:25:000
66632335,10sleep20-21swapper/208:08:542
41972335,10sleep20-21swapper/208:00:262
302232335,10sleep10-21swapper/109:01:531
260132335,10sleep10-21swapper/107:38:401
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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