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2025-12-03 - 05:53
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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 Wed Dec 03, 2025 00:45:38)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
12543211956,58sleep20-21swapper/219:07:202
12724211452,23sleep30-21swapper/319:09:303
12487211451,57sleep10-21swapper/119:06:391
12694211051,53sleep00-21swapper/019:09:070
296862385,13sleep30-21swapper/320:59:533
147162385,13sleep30-21swapper/319:11:113
1286499387,28cyclictest0-21swapper/221:36:122
12863993812,23cyclictest0-21swapper/123:06:261
1286299386,29cyclictest0-21swapper/023:00:220
53062375,13sleep00-21swapper/020:04:010
51122375,13sleep30-21swapper/320:01:473
315842375,13sleep10-21swapper/121:01:311
272962375,13sleep10-21swapper/120:52:251
246432375,13sleep10-21swapper/119:34:421
223542375,13sleep10-21swapper/119:28:131
207202375,13sleep30-21swapper/320:38:033
206332374,13sleep20-21swapper/220:37:032
14032375,13sleep30-21swapper/321:07:193
12862993713,22cyclictest0-21swapper/000:10:120
116672375,13sleep10-21swapper/120:15:521
75472365,12sleep30-21swapper/320:09:243
316742364,12sleep30-21swapper/321:02:383
31202365,12sleep30-21swapper/319:59:183
230692365,12sleep30-21swapper/320:44:253
228812365,13sleep10-21swapper/120:42:071
201322365,13sleep10-21swapper/119:23:401
185742365,13sleep00-21swapper/020:33:560
178702365,13sleep10-21swapper/119:18:061
140502365,13sleep10-21swapper/120:22:381
140282365,13sleep00-21swapper/020:22:250
1286499369,24cyclictest0-21swapper/222:02:312
12864993616,17cyclictest0-21swapper/223:13:462
12864993614,19cyclictest0-21swapper/223:37:482
12864993611,22cyclictest0-21swapper/200:00:292
119062365,12sleep00-21swapper/020:18:440
117882365,12sleep20-21swapper/220:17:182
53132355,13sleep20-21swapper/220:04:072
268342355,10sleep10-21swapper/119:39:241
198792354,13sleep20-21swapper/219:20:402
141892354,12sleep20-21swapper/220:24:152
12864993517,15cyclictest0-21swapper/221:16:232
12864993515,17cyclictest0-21swapper/223:15:152
12864993515,17cyclictest0-21swapper/223:15:152
12864993514,18cyclictest0-21swapper/223:45:342
12864993514,18cyclictest0-21swapper/222:57:332
12864993511,21cyclictest0-21swapper/222:18:462
1286399357,13cyclictest0-21swapper/123:20:361
1286399357,13cyclictest0-21swapper/123:20:361
1286399355,15cyclictest0-21swapper/123:50:161
12862993516,17cyclictest0-21swapper/021:08:000
12562355,10sleep20-21swapper/221:05:372
96622345,12sleep00-21swapper/020:13:230
95252345,10sleep20-21swapper/220:11:402
289642345,12sleep20-21swapper/219:43:262
273002345,10sleep30-21swapper/320:52:273
244762345,10sleep20-21swapper/219:32:352
229302345,12sleep20-21swapper/220:42:402
222062345,13sleep00-21swapper/019:26:360
179912345,11sleep00-21swapper/019:19:380
1286599349,22cyclictest0-21swapper/321:40:213
12865993415,16cyclictest0-21swapper/322:23:453
12865993415,16cyclictest0-21swapper/300:20:433
12864993416,16cyclictest0-21swapper/223:32:462
12864993411,20cyclictest0-21swapper/223:24:372
12864993411,20cyclictest0-21swapper/223:24:362
12864993410,21cyclictest0-21swapper/222:35:472
12864993410,21cyclictest0-21swapper/200:38:062
12863993416,15cyclictest0-21swapper/123:10:341
12863993416,15cyclictest0-21swapper/121:56:201
12863993414,17cyclictest0-21swapper/121:47:271
12863993412,19cyclictest0-21swapper/122:10:031
1286299349,22cyclictest0-21swapper/022:40:230
1286299349,22cyclictest0-21swapper/022:40:230
1286299348,14cyclictest0-21swapper/019:11:190
1286299347,25cyclictest0-21swapper/000:20:240
12862993420,12cyclictest0-21swapper/020:56:380
12862993419,14cyclictest0-21swapper/020:36:390
12862993415,17cyclictest0-21swapper/000:05:310
293662335,10sleep10-21swapper/120:55:541
185092334,12sleep20-21swapper/220:33:102
12865993314,16cyclictest0-21swapper/322:49:153
12865993314,16cyclictest0-21swapper/322:49:153
12865993314,16cyclictest0-21swapper/321:12:043
1286499339,21cyclictest0-21swapper/221:50:322
12864993315,15cyclictest0-21swapper/221:20:022
12864993311,20cyclictest0-21swapper/221:45:132
12864993310,20cyclictest0-21swapper/223:50:492
12864993310,20cyclictest0-21swapper/223:40:182
12864993310,20cyclictest0-21swapper/221:10:262
12863993315,16cyclictest0-21swapper/121:43:051
12863993313,17cyclictest0-21swapper/122:58:461
1286299338,23cyclictest0-21swapper/019:43:490
1286299337,23cyclictest0-21swapper/022:35:370
1286299337,23cyclictest0-21swapper/000:25:290
12862993315,15cyclictest0-21swapper/023:10:280
12862993315,15cyclictest0-21swapper/022:50:280
12862993315,15cyclictest0-21swapper/000:15:240
12862993312,19cyclictest0-21swapper/021:50:150
118772335,10sleep30-21swapper/320:18:233
1286599327,22cyclictest0-21swapper/323:55:193
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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