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2023-09-22 - 00:24
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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 376 highest latencies:
System rack6slot6.osadl.org (updated Thu Sep 21, 2023 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
77349910685453461,53393cyclictest0-21swapper09:23:220
77349910678153472,53309cyclictest0-21swapper12:33:460
77349910668253477,53205cyclictest0-21swapper10:46:460
77349910665153463,53097cyclictest9-21ksoftirqd/012:28:450
77349910664953462,53096cyclictest9-21ksoftirqd/008:15:220
77349910657453388,53093cyclictest0-21swapper09:13:490
77349910655953396,53098cyclictest0-21swapper10:42:140
77349910650553400,53105cyclictest0-21swapper09:07:270
77349910649353473,52929cyclictest9-21ksoftirqd/007:16:250
77349910649253459,53033cyclictest0-21swapper08:26:450
77349910647953456,53023cyclictest0-21swapper07:39:220
77349910644353438,53005cyclictest0-21swapper08:51:430
77349910643653446,52990cyclictest0-21swapper11:00:100
77349910620253464,52738cyclictest0-21swapper08:59:450
77349910617453413,52761cyclictest0-21swapper11:55:150
77349910617153407,52764cyclictest0-21swapper08:03:590
77349910616453408,52756cyclictest0-21swapper07:41:020
77349910615253436,52716cyclictest0-21swapper11:52:150
77349910615153450,52701cyclictest0-21swapper12:13:310
77349910614253445,52697cyclictest0-21swapper07:20:160
77349910612853431,52697cyclictest0-21swapper07:11:140
77349910511552992,52121cyclictest13081-21kworker/0:209:48:490
77349910506952980,52086cyclictest24964-21diskmemload10:06:440
77349910502452913,52109cyclictest0-21swapper10:29:010
7734995388227,53764cyclictest5750irq/8-rtc009:54:000
7734995348926,53340cyclictest5341-21ssh09:26:530
7734995340026,53374cyclictest0-21swapper11:26:570
7734995339230,53264cyclictest2109-21runrttasks08:43:200
7734995323025,53114cyclictest9-21ksoftirqd/010:59:290
7734995299552972,21cyclictest0-21swapper12:05:180
77349924921097,1295cyclictest15796-21ssh11:13:230
77349924801087,1267cyclictest30800-21ssh10:03:130
77349924801073,1306cyclictest23717-21rm10:39:130
77349924451101,1252cyclictest28974-1kworker/u3:011:44:020
77349923691025,1217cyclictest15943-21rm09:41:470
77349923341081,1161cyclictest3950irq/9-acpi09:17:300
77349923181000,1197cyclictest0-21swapper11:30:380
77349922711088,1058cyclictest8793-21ssh11:49:240
77349922491031,1196cyclictest2109-21runrttasks08:30:260
77349922281067,1063cyclictest24964-21diskmemload12:22:130
77349921271004,1123cyclictest139049irq/7-s-b4309:36:550
77349921041041,1028cyclictest0-21swapper07:25:280
77349920881092,897cyclictest8380-21ssh10:16:470
77349920411007,996cyclictest10390-21ssh09:34:550
77349920371015,988cyclictest132050irq/9-eth010:34:220
77349920241034,897cyclictest0-21swapper10:10:050
77349920081070,840cyclictest2621-21gconfd-209:01:150
77349919971035,867cyclictest0-21swapper11:06:110
77349919811028,860cyclictest0-21swapper07:51:050
77349919211042,787cyclictest0-21swapper11:17:240
7734991917946,935cyclictest27656-21ssh09:59:020
77349918441008,799cyclictest1269-21ssh10:52:570
7734991826946,880cyclictest0-21swapper12:03:180
77349917281031,600cyclictest2109-21runrttasks07:33:100
7734991692859,816cyclictest24023-21runrttasks07:49:140
77349916831109,484cyclictest9-21ksoftirqd/008:47:110
77349916621061,511cyclictest9-21ksoftirqd/008:22:440
77349916431083,560cyclictest0-21swapper08:08:300
77349916351074,498cyclictest7732-21cyclictest07:59:480
77349916341097,472cyclictest9-21ksoftirqd/008:36:080
7734991621997,587cyclictest12828-21ssh10:23:390
77349916131089,458cyclictest25362-21kworker/0:212:16:420
77349916091065,544cyclictest0-21swapper11:37:200
77349915571094,370cyclictest0-21swapper08:11:110
77349914121077,335cyclictest0-21swapper12:36:170
77349914111098,313cyclictest0-21swapper11:21:560
7244257274,207sleep00-21swapper07:08:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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