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2025-07-16 - 00:48
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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
Characteristics of the 792 highest latencies:
System rack6slot6 (updated Tue Jul 15, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
302089910721253459,53661cyclictest5597-1kworker/u3:210:58:040
302089910702753422,53482cyclictest9901-21ssh09:45:530
302089910687153433,53374cyclictest25195-21kworker/0:209:27:080
302089910656753412,53155cyclictest0-21swapper08:19:180
302089910655553452,53103cyclictest0-21swapper08:37:340
302089910655253444,53108cyclictest0-21swapper08:46:160
302089910652853438,53090cyclictest0-21swapper12:24:590
302089910652553439,53086cyclictest0-21swapper08:59:500
302089910649353439,53054cyclictest0-21swapper08:08:350
302089910648153458,53023cyclictest0-21swapper11:45:280
302089910642353434,52989cyclictest0-21swapper12:01:220
302089910642253430,52928cyclictest9-21ksoftirqd/009:21:560
302089910642153453,52904cyclictest30207-21cyclictest08:53:380
302089910640853472,52843cyclictest0-21swapper09:02:510
302089910640453418,52986cyclictest0-21swapper10:06:090
302089910638953475,52849cyclictest0-21swapper07:40:470
302089910634153139,53199cyclictest0-21swapper08:33:120
302089910633653395,52847cyclictest0-21swapper07:14:400
302089910624053399,52841cyclictest0-21swapper08:43:550
302089910622553370,52789cyclictest0-21swapper08:03:040
302089910620853412,52796cyclictest0-21swapper09:16:050
302089910619453401,52755cyclictest0-21swapper07:45:390
302089910618553074,53109cyclictest0-21swapper09:12:240
302089910617453454,52720cyclictest0-21swapper10:53:330
302089910614953396,52753cyclictest0-21swapper09:55:560
302089910605452961,53091cyclictest0-21swapper07:17:000
302089910549252968,52522cyclictest10234-1kworker/u3:011:23:010
302089910540453142,52262cyclictest0-21swapper11:35:450
302089910536852906,52460cyclictest4937-21ssh12:38:130
302089910508052958,52120cyclictest0-21swapper10:21:340
302089910505152954,52095cyclictest0-21swapper12:25:390
302089910503152930,52099cyclictest0-21swapper10:37:480
30208995325225,0cyclictest0-21swapper08:26:510
30208995321327,298cyclictest0-21swapper07:21:120
30208995315227,53125cyclictest0-21swapper09:54:460
30208995307025,0cyclictest0-21swapper11:01:350
30208995282629,52797cyclictest0-21swapper10:11:510
302089951572694,2455cyclictest2739-21devkit-power-da11:10:080
302089924311053,1253cyclictest15197-21diskmemload10:26:250
302089923931083,1218cyclictest3950irq/9-acpi10:02:180
302089923531032,1197cyclictest2103-21runrttasks07:29:240
302089922771089,1061cyclictest4870-21ssh11:53:400
302089921811083,1030cyclictest133750irq/9-eth010:41:490
302089921161058,966cyclictest3950irq/9-acpi11:06:570
302089920931086,882cyclictest29796-21ssh11:43:270
302089920401018,1001cyclictest0-21swapper09:05:010
302089920221035,866cyclictest0-21swapper07:31:140
30208992020986,999cyclictest9-21ksoftirqd/012:07:440
30208992014986,1008cyclictest0-21swapper11:34:450
302089920001026,851cyclictest0-21swapper09:30:490
30208991999965,997cyclictest18008-21ssh12:10:550
302089919831094,889cyclictest0-21swapper10:34:070
302089919641020,924cyclictest0-21swapper07:51:000
302089919341015,897cyclictest0-21swapper08:22:490
30208991921926,960cyclictest0-21swapper07:38:370
302089919161043,779cyclictest0-21swapper10:16:220
30208991896912,970cyclictest0-21swapper12:19:380
30208991891895,982cyclictest0-21swapper09:41:420
302089918721023,813cyclictest1678-21ssh12:34:120
302089918581031,827cyclictest0-21swapper11:19:000
30208991751865,863cyclictest7919-21ssh11:57:310
302089916841032,588cyclictest11-21rcu_preempt11:26:120
302089916131087,461cyclictest9-21ksoftirqd/010:46:110
302089915961082,449cyclictest9-21ksoftirqd/008:14:470
302089915121101,411cyclictest0-21swapper09:38:010
302089914091088,321cyclictest0-21swapper07:59:330
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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