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2026-04-28 - 03:22
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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 Tue Apr 28, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198282770,0sleep70-21swapper/723:16:367
17772710,0sleep10-21swapper/121:25:051
119062530,0sleep50-21swapper/522:47:595
47152520,7sleep449-21ksoftirqd/400:02:394
226782520,0sleep00-21swapper/000:09:160
180042520,0sleep50-21swapper/521:44:565
116532510,0sleep20-21swapper/200:21:432
464825025,8sleep40-21swapper/419:08:254
55962490,1sleep4758-21runrttasks22:10:184
198142490,1sleep619811-21systemd00:09:066
175992490,1sleep125-21ksoftirqd/123:18:231
100972490,2sleep2486599cyclictest22:18:172
84072470,0sleep20-21swapper/223:02:462
467624724,8sleep50-21swapper/519:08:505
298392460,0sleep60-21swapper/623:47:116
285112460,0sleep20-21swapper/222:09:522
23202460,0sleep22317-21sshd23:53:082
217122460,0sleep30-21swapper/322:43:003
238722450,0sleep10-21swapper/122:50:271
17362450,1sleep213826-1kworker/2:2H23:24:562
65952430,0sleep60-21swapper/622:42:076
29342430,0sleep40-21swapper/400:32:504
279972430,0sleep60-21swapper/621:51:056
301582420,0sleep00-21swapper/023:32:070
175152420,0sleep50-21swapper/522:44:395
170742420,1sleep717075-21grepconf.sh21:35:297
170742420,1sleep717075-21grepconf.sh21:35:297
153602420,0sleep70-21swapper/700:27:497
227124128,9sleep70-21swapper/719:04:517
199782410,0sleep40-21swapper/423:48:294
46972400,0sleep10-21swapper/121:23:211
46972400,0sleep10-21swapper/121:23:211
461624028,9sleep30-21swapper/319:08:003
445524028,9sleep20-21swapper/219:05:502
32592400,0sleep00-21swapper/023:56:580
216862400,0sleep30-21swapper/322:26:193
154982400,2sleep5487799cyclictest21:12:285
118492400,2sleep6488399cyclictest00:35:096
458323927,9sleep60-21swapper/619:07:316
457723927,8sleep00-21swapper/019:07:250
223332390,1sleep0486399cyclictest23:16:450
455623826,9sleep10-21swapper/119:07:091
37882380,0sleep10-21swapper/100:02:361
316162380,0sleep50-21swapper/522:36:065
174572380,0sleep20-21swapper/223:57:482
197342370,0sleep50-21swapper/500:20:185
211312350,0sleep00-21swapper/000:37:350
77882310,0sleep4481ktimersoftd/400:12:084
71752310,0sleep70-21swapper/723:34:477
257392300,0sleep10-21swapper/122:13:351
4863992510,4cyclictest9-21ksoftirqd/023:04:560
486499246,2cyclictest25-21ksoftirqd/122:08:021
4863992413,3cyclictest9-21ksoftirqd/022:59:270
486499238,1cyclictest25-21ksoftirqd/123:53:091
4863992313,1cyclictest9-21ksoftirqd/022:13:090
4863992311,2cyclictest9-21ksoftirqd/022:37:070
4863992310,1cyclictest9-21ksoftirqd/021:23:030
4863992310,1cyclictest9-21ksoftirqd/021:23:030
486399229,2cyclictest9-21ksoftirqd/000:29:350
486399228,3cyclictest9-21ksoftirqd/000:30:020
486399228,2cyclictest9-21ksoftirqd/000:00:290
4863992216,2cyclictest9-21ksoftirqd/023:45:500
486499215,1cyclictest25-21ksoftirqd/123:48:331
4864992117,3cyclictest25-21ksoftirqd/122:28:331
4864992113,4cyclictest25-21ksoftirqd/123:20:321
4864992111,1cyclictest25-21ksoftirqd/100:32:091
486399219,3cyclictest9-21ksoftirqd/023:43:420
486399219,1cyclictest9-21ksoftirqd/000:14:010
486399218,1cyclictest9-21ksoftirqd/021:42:400
486399218,1cyclictest9-21ksoftirqd/021:16:500
486399217,3cyclictest9-21ksoftirqd/022:00:010
486399216,3cyclictest9-21ksoftirqd/021:11:040
486399215,2cyclictest9-21ksoftirqd/023:24:040
486399212,3cyclictest9-21ksoftirqd/023:14:370
4863992115,4cyclictest9-21ksoftirqd/022:23:040
98132200,2sleep6488399cyclictest00:17:556
486499209,3cyclictest25-21ksoftirqd/100:07:081
486499207,2cyclictest25-21ksoftirqd/122:34:591
486499207,1cyclictest25-21ksoftirqd/121:58:161
486399209,1cyclictest9-21ksoftirqd/000:20:280
486399207,2cyclictest9-21ksoftirqd/022:50:070
486399205,3cyclictest9-21ksoftirqd/021:57:340
486399205,2cyclictest9-21ksoftirqd/022:41:380
486399204,4cyclictest9-21ksoftirqd/021:46:360
4863992016,1cyclictest9-21ksoftirqd/022:45:250
248662200,1sleep124834-21rm22:22:481
199682200,0sleep30-21swapper/323:12:483
486499197,1cyclictest25-21ksoftirqd/123:00:511
486499193,3cyclictest25-21ksoftirqd/122:58:461
4864991915,1cyclictest464-21systemd-journal00:09:571
4864991914,3cyclictest25-21ksoftirqd/100:26:571
4864991911,4cyclictest25-21ksoftirqd/122:17:511
486399199,1cyclictest9-21ksoftirqd/022:32:170
486399198,3cyclictest9-21ksoftirqd/023:00:430
486399197,3cyclictest9-21ksoftirqd/023:54:170
486399197,3cyclictest464-21systemd-journal21:26:440
486399197,2cyclictest9-21ksoftirqd/022:28:480
486399197,2cyclictest9-21ksoftirqd/021:35:060
486399197,2cyclictest9-21ksoftirqd/021:35:060
486399197,1cyclictest9-21ksoftirqd/023:37:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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