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2025-12-02 - 22:01
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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
Compare latency of primary with shadow system
Characteristics of the 376 highest latencies:
System rack1slot8.osadl.org (updated Tue Dec 02, 2025 12:43:56)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2873599903827,38cyclictest28903-21aten2.4-expect07:10:110
2873699849805,29cyclictest0-21swapper/107:10:121
2873599779711,39cyclictest31481-21memory08:45:210
2873699728691,23cyclictest0-21swapper/108:45:211
285972443419,17sleep00-21swapper/007:08:580
56921350,15sleep12873699cyclictest11:42:421
28735999337,16cyclictest0-21swapper/012:16:230
2873599867,72cyclictest0-21swapper/011:08:030
2873599866,44cyclictest0-21swapper/009:52:100
2873599846,45cyclictest0-21swapper/009:22:390
2873599836,47cyclictest0-21swapper/011:36:220
2873599827,43cyclictest0-21swapper/010:56:580
117142810,16sleep12873699cyclictest11:05:261
314282790,3sleep041ktimersoftd/012:35:250
2873699796,37cyclictest0-21swapper/108:00:181
28736997718,12cyclictest0-21swapper/109:15:561
2873699765,25cyclictest0-21swapper/112:30:511
2873699756,32cyclictest0-21swapper/109:29:291
2873699755,26cyclictest0-21swapper/109:33:331
2873699755,26cyclictest0-21swapper/109:20:181
2873699755,23cyclictest0-21swapper/109:46:571
2873699746,27cyclictest0-21swapper/112:29:231
2873699745,52cyclictest0-21swapper/112:18:581
2873699745,26cyclictest0-21swapper/110:14:001
2873699745,26cyclictest0-21swapper/109:39:511
2873699745,16cyclictest0-21swapper/110:57:371
2873699745,14cyclictest0-21swapper/110:21:271
2706227451,16sleep10-21swapper/107:05:131
2873699736,26cyclictest0-21swapper/111:00:241
2873699736,16cyclictest0-21swapper/107:30:171
2873699735,29cyclictest0-21swapper/110:01:141
2873699735,27cyclictest0-21swapper/110:05:451
28736997311,16cyclictest0-21swapper/111:38:481
2873699725,49cyclictest0-21swapper/109:05:591
2873699725,28cyclictest0-21swapper/112:08:291
2873699725,27cyclictest0-21swapper/111:47:481
2873699725,27cyclictest0-21swapper/109:55:261
2873699725,26cyclictest0-21swapper/111:24:311
2873699725,26cyclictest0-21swapper/107:50:131
2873699725,25cyclictest0-21swapper/111:30:391
2873699724,27cyclictest0-21swapper/112:03:071
2873699724,24cyclictest0-21swapper/109:53:181
28736997216,12cyclictest0-21swapper/109:40:381
251532720,12sleep041ktimersoftd/009:38:290
2873699716,20cyclictest0-21swapper/107:16:271
2873699715,27cyclictest0-21swapper/110:50:231
2873699715,26cyclictest0-21swapper/112:36:471
2873699715,26cyclictest0-21swapper/111:57:111
2873699715,26cyclictest0-21swapper/108:10:151
28736997124,6cyclictest0-21swapper/110:32:191
28736997112,17cyclictest0-21swapper/107:35:151
2873699706,19cyclictest0-21swapper/108:59:231
2873699705,28cyclictest0-21swapper/109:00:281
2873699705,27cyclictest0-21swapper/108:24:291
2873699705,26cyclictest0-21swapper/112:20:041
2873699705,26cyclictest0-21swapper/111:25:031
2873699705,26cyclictest0-21swapper/111:15:021
2873699705,26cyclictest0-21swapper/110:36:471
2873699705,23cyclictest0-21swapper/110:48:391
2873699705,23cyclictest0-21swapper/108:20:011
2873699704,28cyclictest0-21swapper/111:15:151
28736997015,13cyclictest0-21swapper/110:16:001
2873699695,58cyclictest0-21swapper/109:14:271
2873699695,27cyclictest0-21swapper/108:35:161
2873699695,25cyclictest0-21swapper/110:25:201
2873699695,25cyclictest0-21swapper/108:50:231
2873699695,14cyclictest0-21swapper/108:26:091
2873699694,24cyclictest0-21swapper/111:51:051
28736996912,14cyclictest0-21swapper/110:40:151
2873699685,27cyclictest0-21swapper/108:30:211
2873699685,26cyclictest0-21swapper/112:11:081
2873699685,26cyclictest0-21swapper/108:40:171
2873699685,26cyclictest0-21swapper/108:09:261
2873699685,23cyclictest0-21swapper/107:29:181
2873699678,18cyclictest0-21swapper/107:45:201
2873699675,48cyclictest0-21swapper/107:59:591
2873699675,26cyclictest0-21swapper/107:43:491
28736996616,14cyclictest0-21swapper/107:21:331
2873599637,41cyclictest0-21swapper/007:23:580
2873599615,49cyclictest0-21swapper/012:11:430
28735996031,24cyclictest0-21swapper/009:40:130
28735996029,26cyclictest0-21swapper/010:25:170
28735996029,25cyclictest0-21swapper/011:32:260
2873599597,45cyclictest0-21swapper/009:45:150
2873599587,43cyclictest0-21swapper/011:47:410
28735995828,24cyclictest0-21swapper/010:18:590
216899580,4rtkit-daemon2167-21rtkit-daemon12:04:400
28735995724,27cyclictest0-21swapper/009:32:270
28735995630,21cyclictest0-21swapper/010:03:090
28735995625,25cyclictest0-21swapper/009:16:590
28735995624,26cyclictest0-21swapper/012:06:470
28735995614,36cyclictest0-21swapper/010:30:310
2873599556,43cyclictest0-21swapper/008:20:180
28735995536,15cyclictest0-21swapper/010:05:150
28735995534,17cyclictest0-21swapper/009:55:120
28735995532,17cyclictest0-21swapper/011:17:260
28735995526,24cyclictest0-21swapper/011:20:030
28735995526,24cyclictest0-21swapper/010:23:500
28735995525,25cyclictest0-21swapper/011:00:150
28735995525,24cyclictest0-21swapper/010:46:410
2873599547,41cyclictest0-21swapper/007:25:120
28735995433,16cyclictest0-21swapper/008:05:200
28735995432,17cyclictest0-21swapper/012:27:010
28735995432,17cyclictest0-21swapper/011:40:400
28735995431,17cyclictest0-21swapper/011:25:080
28735995430,19cyclictest0-21swapper/010:40:160
28735995425,24cyclictest0-21swapper/010:12:510
28735995423,26cyclictest0-21swapper/009:12:340
28735995422,26cyclictest0-21swapper/012:22:210
28735995415,33cyclictest0-21swapper/011:50:270
2873599539,38cyclictest0-21swapper/011:14:250
2873599537,31cyclictest0-21swapper/010:51:450
2873599536,41cyclictest0-21swapper/010:38:090
28735995332,16cyclictest0-21swapper/009:00:120
28735995332,16cyclictest0-21swapper/008:40:150
28735995332,16cyclictest0-21swapper/008:32:590
2873599525,40cyclictest0-21swapper/011:55:080
2873599525,39cyclictest0-21swapper/009:30:020
28735995232,16cyclictest0-21swapper/008:25:200
28735995231,16cyclictest0-21swapper/008:35:220
28735995230,17cyclictest0-21swapper/007:59:240
2873599516,39cyclictest0-21swapper/008:55:140
28735995131,15cyclictest0-21swapper/012:31:410
28735995126,17cyclictest0-21swapper/008:01:590
2873599506,38cyclictest0-21swapper/007:40:190
28735995026,17cyclictest0-21swapper/008:20:010
2873599496,37cyclictest0-21swapper/009:10:010
2873599496,37cyclictest0-21swapper/008:10:240
2873599486,37cyclictest0-21swapper/007:35:160
2873599486,37cyclictest0-21swapper/007:15:160
2873599486,36cyclictest0-21swapper/007:30:160
2873599485,37cyclictest0-21swapper/008:50:130
2873599485,37cyclictest0-21swapper/007:50:100
2873599477,19cyclictest0-21swapper/007:45:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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