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2026-05-16 - 20:05
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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 May 16, 2026 12:45:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
25590211959,55sleep20-21swapper/207:08:462
25404211451,57sleep30-21swapper/307:06:263
25600211351,56sleep00-21swapper/007:08:520
2565128655,26sleep10-21swapper/107:09:341
25791996212,28cyclictest0-21swapper/012:22:170
25791996010,28cyclictest0-21swapper/012:17:210
25791996010,28cyclictest0-21swapper/012:17:200
25791995810,29cyclictest0-21swapper/012:25:130
25791995710,27cyclictest0-21swapper/012:39:450
49262550,1sleep113786-21stress11:17:251
2579199549,27cyclictest0-21swapper/010:00:130
25791995411,21cyclictest0-21swapper/009:21:040
25791995411,21cyclictest0-21swapper/009:21:040
2579199538,24cyclictest0-21swapper/012:00:190
2579199518,24cyclictest0-21swapper/010:41:150
2579299417,24cyclictest0-21swapper/112:05:301
2579499398,28cyclictest0-21swapper/310:44:373
25791993911,25cyclictest0-21swapper/011:05:280
71902385,14sleep30-21swapper/308:54:133
25794993811,24cyclictest0-21swapper/309:50:433
2579399387,14cyclictest0-21swapper/211:20:012
90592375,13sleep10-21swapper/107:41:491
47622374,13sleep20-21swapper/207:32:322
307932375,13sleep30-21swapper/307:19:423
278422375,13sleep20-21swapper/208:25:222
27412375,11sleep20-21swapper/207:29:472
25794993714,20cyclictest0-21swapper/311:49:273
25793993710,24cyclictest0-21swapper/211:31:092
25791993715,20cyclictest0-21swapper/012:35:010
25791993711,24cyclictest0-21swapper/011:55:250
133362375,13sleep30-21swapper/307:51:383
114872375,12sleep20-21swapper/209:04:072
112192375,13sleep30-21swapper/307:47:013
90882365,11sleep20-21swapper/207:42:112
71062364,13sleep20-21swapper/207:39:262
6332365,12sleep30-21swapper/308:39:433
47822365,12sleep10-21swapper/108:46:291
30602365,12sleep30-21swapper/307:30:103
275152365,12sleep30-21swapper/307:10:283
26692365,11sleep30-21swapper/307:28:563
2579399368,25cyclictest0-21swapper/210:50:292
25793993615,18cyclictest0-21swapper/211:14:222
25793993613,20cyclictest0-21swapper/210:11:082
25791993611,19cyclictest0-21swapper/008:24:540
25791993611,19cyclictest0-21swapper/008:24:540
199042365,11sleep20-21swapper/208:07:452
114292365,13sleep10-21swapper/109:03:221
2579499359,23cyclictest0-21swapper/312:05:213
25794993514,18cyclictest0-21swapper/312:28:583
25794993510,22cyclictest0-21swapper/312:01:093
25793993515,17cyclictest0-21swapper/210:46:342
25793993515,17cyclictest0-21swapper/210:37:242
25793993515,17cyclictest0-21swapper/210:07:542
25793993511,21cyclictest0-21swapper/210:26:062
25793993511,21cyclictest0-21swapper/210:26:062
25792993511,21cyclictest0-21swapper/109:44:171
2579199358,24cyclictest0-21swapper/009:40:350
25791993511,22cyclictest0-21swapper/011:35:190
25722355,12sleep10-21swapper/108:41:251
243602355,13sleep30-21swapper/308:19:063
177452355,11sleep20-21swapper/208:02:242
136382355,11sleep20-21swapper/209:09:082
92062344,12sleep30-21swapper/307:43:443
91692344,12sleep10-21swapper/108:56:561
71172344,12sleep30-21swapper/307:39:353
47112345,11sleep10-21swapper/107:31:511
326952344,11sleep30-21swapper/307:21:023
25794993410,21cyclictest0-21swapper/311:57:003
25793993416,16cyclictest0-21swapper/210:55:562
25793993416,16cyclictest0-21swapper/210:55:562
25793993416,15cyclictest0-21swapper/210:30:142
25793993416,15cyclictest0-21swapper/209:32:562
25793993411,20cyclictest0-21swapper/210:15:142
25793993411,20cyclictest0-21swapper/209:10:182
2579299348,24cyclictest0-21swapper/108:09:001
2579299348,24cyclictest0-21swapper/107:11:301
25792993410,21cyclictest0-21swapper/110:03:481
25791993416,16cyclictest0-21swapper/007:44:240
25791993416,16cyclictest0-21swapper/007:25:470
25791993414,17cyclictest0-21swapper/009:35:300
25791993413,18cyclictest0-21swapper/012:05:190
25791993412,19cyclictest0-21swapper/009:50:160
157512345,13sleep10-21swapper/107:59:501
112542344,11sleep30-21swapper/309:01:123
2579499338,22cyclictest0-21swapper/309:21:333
2579499338,22cyclictest0-21swapper/309:21:333
25793993315,15cyclictest0-21swapper/211:35:042
25793993315,15cyclictest0-21swapper/209:27:382
25793993315,15cyclictest0-21swapper/209:19:052
25793993315,15cyclictest0-21swapper/209:19:042
25793993310,20cyclictest0-21swapper/211:00:172
25793993310,20cyclictest0-21swapper/211:00:172
2579299338,23cyclictest0-21swapper/107:24:001
25792993316,14cyclictest0-21swapper/112:31:491
2579199339,18cyclictest0-21swapper/009:03:230
2579199338,23cyclictest0-21swapper/009:45:170
2579199338,19cyclictest0-21swapper/008:45:280
2579199337,24cyclictest0-21swapper/010:05:280
2579199337,23cyclictest0-21swapper/011:45:320
2579199335,15cyclictest0-21swapper/007:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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