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2025-09-16 - 21:11
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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 Sep 16, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
104179910704253455,53587cyclictest9-21ksoftirqd/012:03:010
104179910702053419,53537cyclictest9-21ksoftirqd/012:14:540
104179910700653457,53459cyclictest950ksoftirqd/011:29:010
104179910692753445,53359cyclictest9-21ksoftirqd/010:18:210
104179910681653408,53318cyclictest10415-21cyclictest08:57:580
104179910670953429,53217cyclictest10415-21cyclictest08:06:130
104179910669753444,53253cyclictest0-21swapper09:59:150
104179910667053419,53161cyclictest0-21swapper07:22:200
104179910664553422,53223cyclictest0-21swapper09:44:110
104179910650453399,53105cyclictest0-21swapper08:54:160
104179910625153384,52801cyclictest0-21swapper07:37:140
104179910616053447,52713cyclictest0-21swapper07:54:090
104179910612153428,52693cyclictest0-21swapper08:17:560
104179910596853001,52965cyclictest5992-21ssh11:36:430
104179910596553303,52662cyclictest0-21swapper10:05:370
104179910582653037,52787cyclictest2795-21ssh11:32:320
104179910577653259,52513cyclictest0-21swapper10:56:220
104179910530353038,52264cyclictest0-21swapper09:01:290
104179910512853030,52096cyclictest0-21swapper10:12:290
10417995365225,53506cyclictest0-21swapper08:32:100
10417995361826,53499cyclictest0-21swapper07:11:470
10417995358326,53465cyclictest0-21swapper07:46:170
10417995353028,0cyclictest133750irq/9-eth011:05:340
10417995342827,0cyclictest5750irq/8-rtc008:36:010
10417995330826,53190cyclictest0-21swapper09:53:340
10417995316927,384cyclictest0-21swapper07:29:120
10417995292324,0cyclictest0-21swapper10:44:480
104179944952456,2027cyclictest1744-21hald11:03:040
104179944902477,2011cyclictest2739-21devkit-power-da11:55:090
104179924341082,1259cyclictest9-21ksoftirqd/010:23:320
104179924041068,1243cyclictest133750irq/9-eth010:04:270
104179923211101,1122cyclictest1159-21ssh09:17:130
104179922911083,1108cyclictest22475-21ssh09:45:510
104179921581032,1075cyclictest555-21sh10:45:180
104179921371025,1073cyclictest23317-21sh11:15:470
104179921261028,1061cyclictest31239-21ssh09:14:420
104179920711026,1011cyclictest0-21swapper08:23:280
104179920501022,1007cyclictest0-21swapper10:30:540
104179920491082,842cyclictest27742-21diskmemload10:53:110
104179920401016,1004cyclictest0-21swapper08:04:120
10417992027999,937cyclictest3950irq/9-acpi07:15:180
104179919941097,897cyclictest0-21swapper11:51:480
10417991954998,922cyclictest0-21swapper10:25:430
10417991939953,972cyclictest0-21swapper12:05:010
104179919261000,906cyclictest0-21swapper09:24:550
10417991925934,954cyclictest28493-21ssh11:23:490
104179919251098,726cyclictest10329-21ssh11:43:050
10417991922973,912cyclictest6429-21ssh12:22:060
10417991921934,973cyclictest0-21swapper08:43:530
10417991918931,964cyclictest0-21swapper11:48:170
10417991886925,927cyclictest13646-21ssh09:34:580
104179918401073,700cyclictest2769-21kworker/0:112:37:510
104179918341015,754cyclictest140749irq/7-s-b4307:42:460
104179917091023,588cyclictest14556-21ssh12:33:500
104179917001095,605cyclictest0-21swapper07:34:330
104179916931076,526cyclictest10415-21cyclictest08:26:480
104179916371020,551cyclictest3950irq/9-acpi09:37:190
104179915981083,450cyclictest9-21ksoftirqd/008:11:040
10417991595969,589cyclictest21029-21ssh11:13:270
104179915421103,439cyclictest0-21swapper09:27:560
10417991519695,815cyclictest0-21swapper10:39:070
10417991508746,758cyclictest0-21swapper07:57:200
104179915081100,408cyclictest0-21swapper12:18:250
104179915011084,417cyclictest0-21swapper09:08:310
104179914921007,421cyclictest0-21swapper08:48:050
104179914241075,349cyclictest0-21swapper12:26:070
9704271082,133sleep00-21swapper07:06:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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