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2025-11-21 - 23:58
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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 rack3slot0.osadl.org (updated Fri Nov 21, 2025 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
80422970,2sleep7764499cyclictest10:04:387
724225625,18sleep00-21swapper/006:51:330
278702540,0sleep70-21swapper/710:26:327
717625026,8sleep10-21swapper/106:50:381
737824926,9sleep30-21swapper/306:53:203
712724825,8sleep60-21swapper/606:49:556
165732470,1sleep716578-21cpuspeed_turbos07:09:337
271862460,0sleep60-21swapper/611:42:156
67122440,1sleep46707-21bash09:54:504
138042440,0sleep30-21swapper/307:59:413
80722420,0sleep40-21swapper/411:25:244
263422420,0sleep00-21swapper/012:04:120
253812420,1sleep025382-21latency_hist09:39:240
81022410,0sleep00-21swapper/009:45:570
305742410,0sleep50-21swapper/508:29:385
196902410,2sleep4762199cyclictest09:47:454
131812410,0sleep40-21swapper/410:29:094
725324028,9sleep20-21swapper/206:51:432
720424027,9sleep70-21swapper/706:51:007
265242400,0sleep40-21swapper/410:30:544
713523927,8sleep50-21swapper/506:50:025
497923928,8sleep40-21swapper/406:49:284
272412390,0sleep00-21swapper/009:01:520
262992380,0sleep70-21swapper/711:04:367
34072320,2sleep3761099cyclictest09:03:073
165992310,2sleep585450irq/26-em1-tx-010:43:525
764499255,15cyclictest73-21ksoftirqd/709:42:297
232822240,0sleep10-21swapper/111:04:141
7644992318,5cyclictest29222-21kworker/7:106:54:417
764499227,9cyclictest73-21ksoftirqd/711:00:047
7644992115,5cyclictest73-21ksoftirqd/711:30:207
7644992110,5cyclictest0-21swapper/709:00:537
764499207,0cyclictest0-21swapper/711:57:507
7644992015,4cyclictest73-21ksoftirqd/711:42:247
7644992015,0cyclictest0-21swapper/708:09:137
7644992014,1cyclictest73-21ksoftirqd/709:56:377
7644992011,4cyclictest73-21ksoftirqd/710:12:147
764499198,0cyclictest0-21swapper/712:04:267
764499198,0cyclictest0-21swapper/708:39:057
764499197,12cyclictest73-21ksoftirqd/712:24:007
7644991913,1cyclictest73-21ksoftirqd/711:16:447
764499190,1cyclictest4241-21kworker/7:309:51:097
7621991916,1cyclictest49-21ksoftirqd/410:51:244
764499186,6cyclictest73-21ksoftirqd/709:38:177
764499186,1cyclictest73-21ksoftirqd/711:48:147
764499184,8cyclictest0-21swapper/707:37:577
7644991814,4cyclictest73-21ksoftirqd/709:59:337
7644991813,0cyclictest0-21swapper/709:14:457
7644991812,1cyclictest73-21ksoftirqd/710:22:007
760299187,1cyclictest33-21ksoftirqd/209:42:572
760299185,1cyclictest33-21ksoftirqd/209:15:532
760299184,1cyclictest33-21ksoftirqd/212:15:392
760299184,1cyclictest33-21ksoftirqd/211:51:302
764499176,5cyclictest73-21ksoftirqd/708:56:397
764499175,0cyclictest0-21swapper/707:50:357
7644991712,5cyclictest73-21ksoftirqd/710:16:567
7644991711,1cyclictest73-21ksoftirqd/711:37:127
764499170,11cyclictest0-21swapper/712:02:427
762199172,3cyclictest49-21ksoftirqd/410:01:074
7621991717,0cyclictest49-21ksoftirqd/407:58:164
7621991714,3cyclictest49-21ksoftirqd/409:38:514
7621991714,2cyclictest49-21ksoftirqd/410:11:474
760299178,1cyclictest33-21ksoftirqd/212:06:452
760299178,1cyclictest33-21ksoftirqd/211:43:332
760299177,3cyclictest33-21ksoftirqd/210:28:492
760299177,1cyclictest33-21ksoftirqd/211:24:432
7602991713,1cyclictest33-21ksoftirqd/211:02:132
7602991713,1cyclictest33-21ksoftirqd/210:07:442
89272160,0sleep00-21swapper/011:57:230
764499164,6cyclictest73-21ksoftirqd/710:51:087
7644991611,5cyclictest73-21ksoftirqd/710:40:307
7644991611,5cyclictest73-21ksoftirqd/710:30:247
7644991611,5cyclictest721ktimersoftd/709:13:137
7644991611,5cyclictest0-21swapper/709:49:157
7644991611,5cyclictest0-21swapper/707:43:297
7644991611,5cyclictest0-21swapper/707:43:297
7644991611,0cyclictest0-21swapper/708:24:197
7644991611,0cyclictest0-21swapper/707:01:377
7644991611,0cyclictest0-21swapper/707:01:377
7644991610,0cyclictest0-21swapper/708:47:217
764499160,16cyclictest0-21swapper/709:08:097
762199167,2cyclictest49-21ksoftirqd/411:44:484
761099162,13cyclictest859-21polkitd11:10:453
760299169,2cyclictest33-21ksoftirqd/211:49:072
760299167,1cyclictest33-21ksoftirqd/210:22:272
760299166,1cyclictest33-21ksoftirqd/212:01:042
760299165,3cyclictest33-21ksoftirqd/209:07:412
7602991614,1cyclictest33-21ksoftirqd/211:35:012
7602991614,1cyclictest33-21ksoftirqd/211:34:162
7602991614,1cyclictest33-21ksoftirqd/209:22:582
7602991613,3cyclictest33-21ksoftirqd/209:53:182
7602991613,2cyclictest33-21ksoftirqd/212:20:222
7602991611,2cyclictest33-21ksoftirqd/212:09:382
760299161,1cyclictest33-21ksoftirqd/210:54:382
760299160,3cyclictest0-21swapper/210:17:162
149682160,3sleep10-21swapper/110:34:031
764499159,1cyclictest73-21ksoftirqd/709:27:117
764499158,1cyclictest73-21ksoftirqd/710:47:167
764499156,4cyclictest73-21ksoftirqd/711:10:047
764499154,5cyclictest0-21swapper/707:45:477
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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