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2025-11-12 - 22:06
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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 100 highest latencies:
System rackeslot8.osadl.org (updated Wed Nov 12, 2025 12:43:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
357309621270,3sleep03573039-21cc111:40:480
355125521240,7sleep03525365-21kworker/0:1+events11:34:420
371207621190,3sleep03712074-21sh12:28:180
353809821190,2sleep03538038-21cc111:29:490
36950862660,3sleep23695085-21cc112:23:302
34582252630,3sleep13458192-21cc110:57:491
3059489993935,2cyclictest0-21swapper/310:29:093
37068422370,1sleep30-21swapper/312:26:003
3059489993733,1cyclictest0-21swapper/310:49:183
3059489993330,1cyclictest0-21swapper/311:42:433
3059489993330,1cyclictest0-21swapper/311:26:113
34750332320,4sleep23475007-21cc111:05:162
3059489993229,1cyclictest0-21swapper/311:57:013
3059489993229,1cyclictest0-21swapper/311:57:013
3059489993229,1cyclictest0-21swapper/311:36:223
3059489993128,1cyclictest0-21swapper/312:19:413
3059489993128,1cyclictest0-21swapper/311:54:373
3059489993128,1cyclictest0-21swapper/310:53:053
3059489993128,1cyclictest0-21swapper/310:44:403
35237572300,1sleep13523766-21cc111:23:201
3059489993027,1cyclictest0-21swapper/312:02:283
3059489993027,1cyclictest0-21swapper/311:10:373
3059489993027,1cyclictest0-21swapper/310:55:563
3059489993027,1cyclictest0-21swapper/310:33:513
34437812290,2sleep03443760-21cc110:51:190
3059489992926,1cyclictest0-21swapper/311:45:253
3059489992926,1cyclictest0-21swapper/311:19:103
3059489992825,1cyclictest0-21swapper/311:32:093
3059489992724,1cyclictest0-21swapper/311:00:093
3059489992724,1cyclictest0-21swapper/310:38:103
3059489992722,2cyclictest0-21swapper/312:24:533
3059489992622,1cyclictest0-21swapper/311:21:433
36472532251,13sleep03647264-21cc112:09:330
34832522241,9sleep03483249-21genksyms11:07:030
3059489992420,1cyclictest0-21swapper/311:05:243
34965042232,8sleep03496464-21cc111:12:160
3059489992320,1cyclictest0-21swapper/312:05:263
3059489992320,1cyclictest0-21swapper/308:20:013
3059489992319,1cyclictest0-21swapper/312:11:203
3059489992319,1cyclictest0-21swapper/310:08:183
305948999231,17cyclictest3325424-21chrt10:11:423
35596642220,1sleep00-21swapper/011:36:000
33481432221,16sleep23348152-21cc110:17:562
33471042221,8sleep03347091-21cc110:17:320
3059489992219,1cyclictest0-21swapper/310:22:113
3059489992218,2cyclictest3201577-21turbostat09:00:003
36286962211,17sleep13628683-21cc112:01:191
35870572211,15sleep03586963-21cc111:46:140
35593822211,17sleep23559397-21cc111:35:502
34692242211,9sleep13469245-21cc111:01:231
33763822211,8sleep03376385-21cc110:27:360
33250862211,6sleep03325093-21cc110:11:280
3059489992118,1cyclictest0-21swapper/310:15:233
36778562200,2sleep23677892-21as12:18:382
36290022201,9sleep23628998-21cc112:01:332
36283942200,1sleep03628383-21cc112:01:070
35245882201,6sleep03524552-21cc111:24:000
35101022200,1sleep23510094-21cc111:18:052
34591642201,8sleep03459157-21cc110:58:410
34025762201,15sleep13402587-21cc110:35:591
33778242201,15sleep23377835-21cc110:28:272
3059489992010,7cyclictest3118996-21sleep07:54:593
36912472191,14sleep13691246-21cc112:21:501
36787082191,14sleep03678744-21cc112:19:000
36407002191,6sleep13640845-21cc112:05:251
36191202192,8sleep23619117-21cc111:59:162
36191202192,8sleep23619117-21cc111:59:162
36177102192,6sleep03617680-21cc111:58:300
36177102192,6sleep03617680-21cc111:58:290
35455902191,8sleep13545587-21cc111:30:351
35086162192,7sleep13508577-21cc111:16:591
34961532191,7sleep13496128-21cc111:11:571
34846812191,13sleep13484680-21cc111:08:051
34738072191,6sleep03473790-21cc111:04:340
34078982191,7sleep03407915-21cc110:39:120
33951392190,14sleep23395134-21cc110:35:072
147598190,6rtkit-daemon3413625-21cc110:40:222
37127402181,13sleep23712748-21cc112:28:372
36904332181,13sleep03690452-21cc112:21:290
36741682181,7sleep13674188-21cc112:17:001
36609252181,13sleep03660957-21cc112:13:510
36605002181,6sleep13660514-21cc112:13:391
34986522181,6sleep23498619-21cc111:13:592
34455092180,9sleep13445529-21ssh10:52:481
34437542181,8sleep23443760-21cc110:51:172
34344542181,7sleep13434434-21cc110:48:551
34299442181,7sleep03429890-21cc110:45:530
33899942181,12sleep03390014-21cc110:32:380
33290452181,6sleep13329052-21cc110:14:011
305948999187,7cyclictest31627352sleep308:25:223
3059489991815,1cyclictest0-21swapper/312:34:443
3059489991815,1cyclictest0-21swapper/312:34:433
3059489991815,1cyclictest0-21swapper/310:00:153
3059489991815,1cyclictest0-21swapper/309:50:163
3059489991815,1cyclictest0-21swapper/309:25:003
305948999181,13cyclictest3175389-21chrt08:35:193
305948999181,13cyclictest3144008-21chrt08:10:273
305948999181,12cyclictest3182855-21taskset08:45:023
305948999180,13cyclictest3086877-21chrt07:29:563
36176182171,6sleep13617652-21cc111:58:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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