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2025-06-07 - 13:18
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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 50 highest latencies:
System rackcslot0.osadl.org (updated Sat Jun 07, 2025 00:43:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2316921460,6sleep82148099cyclictest22:55:3014
2316921460,6sleep82148099cyclictest22:55:3014
210042141103,33sleep90-21swapper/919:09:3415
2630121380,0sleep130-21swapper/1322:17:525
404421290,8sleep22147199cyclictest21:14:348
2406921200,2sleep30-21swapper/321:36:319
1702821200,1sleep110-21swapper/1122:40:503
1941821160,8sleep80-21swapper/819:05:3114
1069721140,0sleep150-21swapper/1500:25:137
1596421120,0sleep80-21swapper/822:03:0414
20888211192,14sleep10-21swapper/119:08:381
1454221110,6sleep82148099cyclictest21:12:1514
2089921070,0sleep30-21swapper/323:02:069
2089921070,0sleep30-21swapper/323:02:069
21045210690,9sleep110-21swapper/1119:10:083
20669210592,9sleep60-21swapper/619:05:4612
306721030,0sleep100-21swapper/1022:08:272
20922210391,8sleep140-21swapper/1419:09:076
3267921020,7sleep72147899cyclictest22:01:2713
103821020,1sleep62147799cyclictest23:37:5912
2317821010,1sleep40-21swapper/419:10:3210
1074721000,6sleep132148899cyclictest21:38:335
6762990,1sleep00-21swapper/000:05:260
224282960,2sleep100-21swapper/1023:33:142
93032950,5sleep12147099cyclictest22:43:371
266642950,1sleep6641rcuc/622:04:2312
143302950,1sleep140-21swapper/1422:13:046
22342940,0sleep20-21swapper/200:27:408
295222930,0sleep130-21swapper/1321:27:195
40462920,1sleep70-21swapper/721:11:1013
2087329284,4sleep30-21swapper/319:08:249
77712900,2sleep07767-21sshd23:04:270
77712900,2sleep07767-21sshd23:04:270
64632890,1sleep70-21swapper/700:24:4813
2083028972,13sleep00-21swapper/019:07:480
253262880,1sleep150-21swapper/1523:13:167
2103728872,12sleep40-21swapper/419:10:0110
2088928875,3sleep20-21swapper/219:08:398
158952880,0sleep00-21swapper/000:36:110
99882870,1sleep80-21swapper/823:18:1414
166972870,1sleep60-21swapper/623:22:2812
62752860,1sleep60-21swapper/623:28:2112
2069528577,4sleep100-21swapper/1019:06:062
89952840,1sleep70-21swapper/722:12:2513
259382840,0sleep40-21swapper/423:20:0210
2090028375,4sleep130-21swapper/1319:08:505
2080128375,4sleep50-21swapper/519:07:2111
2079428375,4sleep150-21swapper/1519:07:157
1760628375,4sleep120-21swapper/1219:05:204
300352800,6sleep122148799cyclictest23:06:484
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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