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2026-06-09 - 05:05
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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 50 highest latencies:
System rack6slot6 (updated Tue Jun 09, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5579910723853467,53648cyclictest16574-21ssh23:12:040
5579910698853449,53448cyclictest0-21swapper23:40:520
5579910689053414,53411cyclictest9-21ksoftirqd/020:58:160
5579910667453462,53212cyclictest0-21swapper23:37:010
5579910664253430,53091cyclictest26059-21ssh21:51:210
5579910661653419,53106cyclictest9-21ksoftirqd/022:33:030
5579910655553393,53097cyclictest0-21swapper23:22:170
5579910654253386,53090cyclictest0-21swapper20:23:260
5579910652553481,53044cyclictest0-21swapper19:28:400
5579910651853477,53041cyclictest0-21swapper23:34:510
5579910650453442,53062cyclictest0-21swapper21:43:490
5579910647353411,53062cyclictest0-21swapper22:51:480
5579910645453446,53008cyclictest0-21swapper22:15:180
5579910645053401,53049cyclictest0-21swapper00:29:260
5579910644753399,53048cyclictest0-21swapper19:35:320
5579910644453399,53045cyclictest0-21swapper22:46:270
5579910644353399,53044cyclictest0-21swapper20:08:410
5579910644153425,52952cyclictest15883-1kworker/u3:221:15:000
5579910644053437,53003cyclictest0-21swapper21:50:000
5579910644053397,53043cyclictest0-21swapper20:14:230
5579910642453431,52993cyclictest0-21swapper00:17:430
5579910633453425,52817cyclictest0-21swapper20:32:180
5579910626353444,52819cyclictest0-21swapper20:38:500
5579910621553470,52745cyclictest0-21swapper22:11:370
5579910620153467,52734cyclictest0-21swapper19:30:300
5579910617953452,52727cyclictest0-21swapper20:16:130
5579910617853470,52708cyclictest0-21swapper21:29:450
5579910615853398,52760cyclictest0-21swapper20:04:100
5579910615653442,52714cyclictest0-21swapper21:03:170
5579910614353394,52749cyclictest0-21swapper19:44:340
5579910613953433,52706cyclictest0-21swapper19:24:390
5579910612653430,52696cyclictest0-21swapper20:29:570
5579910604152943,53096cyclictest0-21swapper21:31:150
5579910598253350,52632cyclictest0-21swapper23:56:070
557995404853389,659cyclictest0-21swapper00:11:010
557995383253398,434cyclictest0-21swapper20:46:320
557995368353413,207cyclictest3950irq/9-acpi21:22:120
557995367853408,206cyclictest950ksoftirqd/021:16:110
557995360053448,152cyclictest0-21swapper22:03:440
557995357953429,150cyclictest0-21swapper19:50:460
557995349224,53468cyclictest0-21swapper22:37:540
557995347625,53451cyclictest0-21swapper22:05:550
557995341724,53299cyclictest0-21swapper20:52:340
557995338625,53266cyclictest0-21swapper21:08:290
557995315327,53126cyclictest0-21swapper23:08:330
557995308711,53073cyclictest19306-21ssh23:15:350
557995307427,53047cyclictest0-21swapper23:27:390
557995298925,52964cyclictest0-21swapper22:26:210
5579923861095,1164cyclictest11743-21ssh23:52:160
5579923711089,1183cyclictest10586-21ssh00:37:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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