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2025-12-24 - 16:23
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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 Wed Dec 24, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
160339910716753410,53665cyclictest0-21swapper11:27:110
160339910666453393,53207cyclictest134850irq/9-eth010:09:480
160339910659153424,53103cyclictest13349-21kworker/0:111:09:260
160339910658653469,53117cyclictest0-21swapper10:45:390
160339910655253391,53095cyclictest0-21swapper12:13:340
160339910654653430,53116cyclictest0-21swapper12:22:470
160339910651553475,53040cyclictest0-21swapper11:11:160
160339910651153451,53060cyclictest0-21swapper10:30:040
160339910650953473,53036cyclictest0-21swapper10:58:120
160339910650553470,53035cyclictest0-21swapper09:19:440
160339910649353469,53024cyclictest0-21swapper11:49:170
160339910649153466,53025cyclictest0-21swapper10:11:190
160339910647153400,53071cyclictest0-21swapper07:11:070
160339910646253436,53026cyclictest0-21swapper09:09:310
160339910644653445,53001cyclictest0-21swapper09:57:350
160339910644653401,53045cyclictest0-21swapper11:41:250
160339910643853399,53039cyclictest0-21swapper09:49:320
160339910641753428,52989cyclictest0-21swapper07:58:410
160339910634753434,52848cyclictest9-21ksoftirqd/007:35:540
160339910633853435,52812cyclictest0-21swapper08:52:160
160339910631453433,52818cyclictest3950irq/9-acpi09:31:370
160339910626153391,52807cyclictest0-21swapper07:18:590
160339910625953387,52807cyclictest0-21swapper07:46:570
160339910621753472,52745cyclictest0-21swapper08:07:130
160339910620953466,52743cyclictest0-21swapper08:28:190
160339910619053458,52732cyclictest0-21swapper11:01:430
160339910618253476,52706cyclictest0-21swapper11:33:020
160339910618253460,52722cyclictest0-21swapper08:44:240
160339910618053457,52723cyclictest0-21swapper09:01:290
160339910616253441,52721cyclictest0-21swapper07:32:130
160339910615653401,52755cyclictest0-21swapper08:33:100
160339910614153431,52710cyclictest0-21swapper07:28:420
160339910613053426,52704cyclictest0-21swapper08:58:180
160339910588852954,52932cyclictest22857-21ssh10:26:330
160339910584553334,52511cyclictest0-21swapper08:04:020
160339910557852888,52687cyclictest15817-21ssh10:16:300
160339910546853035,52426cyclictest9855-21ssh12:26:080
160339910514153040,52099cyclictest0-21swapper09:37:190
160339910505352956,52096cyclictest0-21swapper11:22:590
16033995361225,53587cyclictest0-21swapper12:07:320
16033995356226,53536cyclictest0-21swapper10:24:430
16033995353027,53409cyclictest0-21swapper10:02:060
16033995340425,53379cyclictest0-21swapper07:50:380
16033995333425,0cyclictest134850irq/9-eth009:41:000
16033995328325,0cyclictest0-21swapper08:14:050
16033995316624,383cyclictest0-21swapper11:19:380
16033995306426,53038cyclictest0-21swapper12:03:210
16033995303527,53008cyclictest0-21swapper12:15:450
160339921881038,1051cyclictest2099-21runrttasks12:36:510
160339920891034,1020cyclictest0-21swapper11:52:480
16033992056972,1042cyclictest10583-21munin-node08:15:150
16033992038984,1006cyclictest0-21swapper11:38:240
160339920091046,865cyclictest1907-21snmpd07:24:010
160339919941040,856cyclictest7757-21ssh10:50:400
160339919801030,858cyclictest0-21swapper09:52:330
16033991959943,981cyclictest0-21swapper08:35:510
160339919581019,847cyclictest0-21swapper08:49:550
16033991862883,965cyclictest0-21swapper10:43:080
160339917911059,665cyclictest134850irq/9-eth009:13:320
160339917791074,658cyclictest30065-21kworker/0:207:44:160
160339917441096,648cyclictest0-21swapper12:31:190
160339916791019,597cyclictest3950irq/9-acpi09:25:150
160339916771083,594cyclictest0-21swapper10:38:570
160339915761057,454cyclictest9-21ksoftirqd/008:23:280
160339915761037,503cyclictest20801-21ssh11:55:290
160339914241033,391cyclictest0-21swapper09:22:250
15621251885,206sleep00-21swapper07:08:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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