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2025-04-02 - 06:42
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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 rack0slot5.osadl.org (updated Tue Apr 01, 2025 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
392439199624624,0cyclictest0-21swapper/720:20:5813
392437899613613,0cyclictest0-21swapper/320:07:589
392437899613613,0cyclictest0-21swapper/320:07:589
392439199608608,0cyclictest0-21swapper/720:48:4213
392439199602602,0cyclictest0-21swapper/722:20:5813
39244059960037,44cyclictest0-21swapper/1019:44:422
392437199591296,294cyclictest0-21swapper/119:16:421
392441899589589,0cyclictest0-21swapper/1423:55:586
392439199587587,0cyclictest0-21swapper/700:38:4413
392439199585585,0cyclictest0-21swapper/721:46:2113
392441299576576,0cyclictest0-21swapper/1223:26:584
392441299576576,0cyclictest0-21swapper/1223:26:584
392441299574573,1cyclictest0-21swapper/1220:19:434
392437699564564,0cyclictest0-21swapper/219:41:448
39244059956040,519cyclictest0-21swapper/1019:50:202
392440599559559,0cyclictest0-21swapper/1022:40:222
392441899558558,0cyclictest0-21swapper/1423:25:216
392441899558558,0cyclictest0-21swapper/1423:25:216
39243919954542,502cyclictest0-21swapper/723:53:4213
39243919954541,503cyclictest0-21swapper/721:00:5813
39243919954535,505cyclictest0-21swapper/720:10:2113
39243889954120,521cyclictest0-21swapper/620:03:4212
39243889954120,521cyclictest0-21swapper/620:03:4212
39243819953414,519cyclictest0-21swapper/420:17:2110
39243919953328,504cyclictest0-21swapper/722:10:5813
39243689953320,512cyclictest0-21swapper/022:23:440
39244059953119,512cyclictest0-21swapper/1022:45:582
3924405995290,529cyclictest114-21ksoftirqd/1022:37:582
39244129952820,507cyclictest0-21swapper/1223:43:434
39244129952820,507cyclictest0-21swapper/1223:43:434
39244059952815,512cyclictest0-21swapper/1019:34:582
39243919952377,444cyclictest4040310-21kworker/7:1+i915-unordered21:42:2113
39243869952243,477cyclictest0-21swapper/520:20:2111
39244129952114,506cyclictest0-21swapper/1220:42:584
3924388995216,25cyclictest0-21swapper/600:08:1912
39243789952016,503cyclictest0-21swapper/322:57:439
3924412995190,518cyclictest0-21swapper/1221:41:204
3924405995179,57cyclictest0-21swapper/1021:03:412
39243919951744,473cyclictest0-21swapper/700:08:4113
39243919951641,473cyclictest0-21swapper/721:33:4213
39243919951639,474cyclictest0-21swapper/723:14:2213
392441599515515,0cyclictest0-21swapper/1300:24:585
39243919951541,473cyclictest0-21swapper/723:07:2013
39243919951541,473cyclictest0-21swapper/720:43:4613
3924409995142,24cyclictest0-21swapper/1119:11:583
39243919951439,474cyclictest0-21swapper/723:26:4413
39243919951439,474cyclictest0-21swapper/723:26:4413
39243919951439,474cyclictest0-21swapper/720:04:4413
39243919951439,474cyclictest0-21swapper/720:04:4413
39243919951423,28cyclictest0-21swapper/700:21:4113
3924368995140,511cyclictest0-21swapper/000:11:200
3924391995139,503cyclictest0-21swapper/720:25:2013
39243919951351,462cyclictest0-21swapper/719:57:5813
39243919951351,462cyclictest0-21swapper/719:57:5813
39243919951338,475cyclictest0-21swapper/720:01:2113
39243919951338,475cyclictest0-21swapper/720:01:2113
39244099951264,448cyclictest0-21swapper/1123:42:413
39244099951264,448cyclictest0-21swapper/1123:42:413
39243919951240,471cyclictest0-21swapper/723:35:5813
39243919951240,471cyclictest0-21swapper/723:35:5813
39243919951238,473cyclictest0-21swapper/720:17:2013
3924388995120,57cyclictest0-21swapper/623:28:2112
3924388995120,57cyclictest0-21swapper/623:28:2112
39243819951249,14cyclictest0-21swapper/423:13:4410
3924418995113,507cyclictest0-21swapper/1400:32:426
39244099951120,56cyclictest0-21swapper/1119:25:583
39243919951139,472cyclictest0-21swapper/723:48:2213
3924391995113,503cyclictest0-21swapper/723:30:2013
3924391995113,503cyclictest0-21swapper/723:30:2013
3924381995113,507cyclictest0-21swapper/420:57:4110
3924378995117,504cyclictest0-21swapper/320:12:449
39243919951037,473cyclictest0-21swapper/723:41:2013
39243919951037,473cyclictest0-21swapper/723:41:2013
39243919951037,471cyclictest0-21swapper/700:25:5813
3924391995103,505cyclictest0-21swapper/700:33:4313
39243919950936,472cyclictest0-21swapper/720:32:2213
39243919950834,473cyclictest0-21swapper/721:26:2013
3924368995083,504cyclictest0-21swapper/020:00:210
3924368995083,504cyclictest0-21swapper/020:00:210
392441899507504,1cyclictest175450irq/138-enp3s0-rx-021:41:206
39243959950752,455cyclictest0-21swapper/822:30:1914
39243919950733,0cyclictest0-21swapper/720:36:2013
3924378995072,504cyclictest0-21swapper/320:38:199
39243819950632,12cyclictest0-21swapper/421:21:5810
3924395995050,503cyclictest0-21swapper/823:41:2014
3924395995050,503cyclictest0-21swapper/823:41:2014
39243919950532,473cyclictest87-21ksoftirqd/723:58:4413
3924415995048,495cyclictest0-21swapper/1320:26:435
39244059950451,452cyclictest0-21swapper/1020:10:582
392438199504500,2cyclictest0-21swapper/421:41:2010
39243959950334,12cyclictest96-21ksoftirqd/800:33:5514
39243919950344,458cyclictest87-21ksoftirqd/721:35:4313
39243919950331,0cyclictest0-21swapper/722:29:2113
39243889950329,12cyclictest0-21swapper/621:59:4412
392438699503498,3cyclictest0-21swapper/521:41:2011
39243819950347,455cyclictest0-21swapper/420:07:4410
39243819950347,455cyclictest0-21swapper/420:07:4410
3924376995036,495cyclictest0-21swapper/220:51:218
39243919950240,461cyclictest0-21swapper/723:22:2013
3924388995021,27cyclictest0-21swapper/620:22:5812
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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