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2026-05-21 - 08:14
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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 May 21, 2026 00:45:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5821212462,23sleep30-21swapper/319:09:023
5775211854,59sleep20-21swapper/219:08:252
5738211553,57sleep10-21swapper/119:08:051
5534211050,55sleep00-21swapper/019:05:380
6004994110,28cyclictest0-21swapper/200:38:002
6004994110,28cyclictest0-21swapper/200:37:592
6002994111,27cyclictest0-21swapper/023:10:510
6002994111,23cyclictest0-21swapper/019:31:020
6004994016,21cyclictest0-21swapper/222:03:022
6004994012,25cyclictest0-21swapper/223:15:372
6004994011,26cyclictest0-21swapper/223:09:562
6004994011,26cyclictest0-21swapper/200:28:162
600299409,22cyclictest0-21swapper/022:10:180
6002994014,19cyclictest0-21swapper/000:32:480
6002994010,27cyclictest0-21swapper/023:22:170
6004993912,24cyclictest0-21swapper/223:37:282
6004993911,25cyclictest0-21swapper/222:42:062
600299399,23cyclictest0-21swapper/020:30:150
600299395,25cyclictest0-21swapper/000:15:330
6002993911,18cyclictest0-21swapper/019:10:470
78092385,13sleep20-21swapper/219:11:152
67602385,13sleep20-21swapper/220:23:362
6004993815,20cyclictest0-21swapper/221:56:062
6004993815,20cyclictest0-21swapper/200:24:312
6004993813,22cyclictest0-21swapper/223:44:592
6004993811,24cyclictest0-21swapper/221:26:122
6004993811,24cyclictest0-21swapper/200:01:012
6004993810,25cyclictest0-21swapper/222:10:092
6003993812,17cyclictest0-21swapper/122:55:321
6002993811,19cyclictest0-21swapper/020:40:350
6002993811,17cyclictest0-21swapper/019:39:470
45792385,13sleep00-21swapper/020:18:500
239352385,13sleep20-21swapper/219:49:002
131922385,12sleep30-21swapper/320:38:243
130132385,13sleep20-21swapper/219:22:582
105332385,13sleep30-21swapper/320:30:233
600499379,25cyclictest0-21swapper/200:31:162
6004993716,18cyclictest0-21swapper/221:30:502
6004993715,19cyclictest0-21swapper/222:05:112
6004993715,19cyclictest0-21swapper/221:46:332
6004993715,19cyclictest0-21swapper/221:15:512
6004993711,23cyclictest0-21swapper/222:46:562
600299375,20cyclictest0-21swapper/021:05:220
6002993713,22cyclictest0-21swapper/023:47:060
6002993710,21cyclictest0-21swapper/020:45:280
6002993710,17cyclictest0-21swapper/020:51:460
259822374,13sleep20-21swapper/221:05:582
216952375,12sleep20-21swapper/219:42:582
175042375,13sleep20-21swapper/219:34:322
78882365,12sleep30-21swapper/319:12:153
6004993615,18cyclictest0-21swapper/222:25:192
6004993612,21cyclictest0-21swapper/223:28:322
6004993610,23cyclictest0-21swapper/222:15:162
6004993610,23cyclictest0-21swapper/222:15:162
600299367,20cyclictest0-21swapper/020:58:150
600299367,19cyclictest0-21swapper/020:08:150
600299366,19cyclictest0-21swapper/020:03:150
600299365,20cyclictest0-21swapper/019:45:140
600299365,19cyclictest0-21swapper/019:29:160
6002993616,17cyclictest0-21swapper/021:15:160
6002993611,15cyclictest0-21swapper/020:22:460
6002993610,20cyclictest0-21swapper/019:56:160
6002993610,20cyclictest0-21swapper/019:56:160
6002993610,17cyclictest0-21swapper/019:20:180
326812365,12sleep30-21swapper/320:09:533
281362365,12sleep30-21swapper/319:57:473
281362365,12sleep30-21swapper/319:57:473
261362365,12sleep10-21swapper/119:54:361
261222365,12sleep30-21swapper/321:07:453
221262365,12sleep10-21swapper/119:45:051
218762365,13sleep20-21swapper/220:58:322
152842365,13sleep20-21swapper/220:42:252
130422365,12sleep10-21swapper/119:23:161
109682365,11sleep20-21swapper/219:19:092
600499359,23cyclictest0-21swapper/223:20:032
6004993512,20cyclictest0-21swapper/223:30:292
600299359,23cyclictest0-21swapper/021:39:070
600299359,16cyclictest0-21swapper/021:00:520
600299355,24cyclictest0-21swapper/020:25:260
6002993514,18cyclictest0-21swapper/021:10:240
6002993512,20cyclictest0-21swapper/023:50:160
6002993510,17cyclictest0-21swapper/020:35:050
6002993510,15cyclictest0-21swapper/020:11:150
46662355,12sleep20-21swapper/220:19:562
302162355,12sleep30-21swapper/320:01:363
239542355,12sleep10-21swapper/121:02:331
195672355,12sleep10-21swapper/120:51:541
149892355,12sleep10-21swapper/119:25:291
600599346,25cyclictest0-21swapper/322:52:003
600599346,25cyclictest0-21swapper/322:52:003
6004993415,17cyclictest0-21swapper/221:50:032
6004993414,17cyclictest0-21swapper/222:50:102
6004993414,17cyclictest0-21swapper/222:50:102
6004993412,19cyclictest0-21swapper/223:50:242
6004993412,19cyclictest0-21swapper/221:10:262
6004993411,20cyclictest0-21swapper/221:35:132
6004993410,22cyclictest0-21swapper/223:10:122
6003993415,16cyclictest0-21swapper/123:56:101
6003993414,18cyclictest0-21swapper/123:15:191
6003993414,17cyclictest0-21swapper/122:10:361
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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