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2025-10-23 - 22:44
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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 highest latencies:
System rack6slot6 (updated Thu Oct 23, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
118029910697853414,53472cyclictest0-21swapper07:14:180
118029910696353417,53480cyclictest0-21swapper07:54:000
118029910683653419,53327cyclictest6933-21kworker/u2:309:28:470
118029910675553439,53251cyclictest133750irq/9-eth009:31:280
118029910673853419,53222cyclictest2443-21ssh10:49:400
118029910663453454,53180cyclictest11801-21cyclictest10:57:220
118029910656653392,53109cyclictest0-21swapper11:18:490
118029910654853445,53103cyclictest0-21swapper10:01:460
118029910654453416,53036cyclictest0-21swapper12:30:390
118029910654353440,53039cyclictest3950irq/9-acpi12:39:020
118029910647753416,53061cyclictest0-21swapper10:23:530
118029910647353397,53076cyclictest0-21swapper11:28:310
118029910646953420,53049cyclictest0-21swapper08:48:550
118029910646553405,53060cyclictest0-21swapper12:27:180
118029910645453449,53005cyclictest0-21swapper09:08:510
118029910644253439,53003cyclictest0-21swapper09:17:440
118029910643553442,52993cyclictest0-21swapper07:36:350
118029910631053402,52819cyclictest219232sleep007:34:240
118029910630453400,52841cyclictest3950irq/9-acpi11:04:450
118029910626553374,52800cyclictest9-21ksoftirqd/009:14:030
118029910621853472,52746cyclictest0-21swapper08:09:340
118029910620953470,52739cyclictest0-21swapper08:25:590
118029910620853471,52737cyclictest0-21swapper09:00:090
118029910617753465,52712cyclictest0-21swapper08:37:220
118029910617653453,52723cyclictest0-21swapper08:56:380
118029910616753448,52719cyclictest0-21swapper08:17:260
118029910616253443,52719cyclictest0-21swapper07:28:120
118029910615553441,52714cyclictest0-21swapper07:57:310
118029910615253455,52697cyclictest0-21swapper10:11:490
118029910614053437,52703cyclictest0-21swapper10:27:140
118029910612753424,52703cyclictest0-21swapper07:47:080
118029910606252963,53097cyclictest0-21swapper10:37:470
118029910585052994,52854cyclictest5000-21ssh11:38:240
118029910583052988,52840cyclictest29021-21ssh12:12:040
118029910559253060,52525cyclictest26839-21taskset11:23:400
118029910558952963,52624cyclictest5756-21ssh10:54:010
11802995425353379,789cyclictest0-21swapper10:08:080
11802995406613,53953cyclictest29051-21diskmemload10:19:210
11802995361719,214cyclictest29051-21diskmemload11:42:350
11802995356353411,152cyclictest0-21swapper08:22:080
11802995350314,53489cyclictest0-21swapper07:17:390
11802995342525,53400cyclictest0-21swapper07:40:360
11802995300652983,21cyclictest0-21swapper08:10:240
11802995290152891,8cyclictest6889-21ssh09:24:060
11802995278827,52761cyclictest0-21swapper08:41:430
118029927661097,1544cyclictest21721-21ssh12:01:310
118029924111077,1240cyclictest16022-1kworker/0:2H11:32:220
118029923401055,1161cyclictest29051-21diskmemload09:53:240
118029923021084,1190cyclictest903-21ssh12:18:460
118029922791058,1129cyclictest24547-21ssh09:49:130
118029922581012,1120cyclictest16521-21ssh11:09:160
118029922511056,1101cyclictest133750irq/9-eth010:34:260
118029920891030,935cyclictest29051-21diskmemload09:57:250
118029920691023,1011cyclictest0-21swapper08:33:110
118029920651002,1028cyclictest0-21swapper11:53:180
118029920581019,1005cyclictest0-21swapper08:01:320
118029920191033,866cyclictest0-21swapper11:57:300
118029919771028,856cyclictest0-21swapper10:44:290
118029919631012,914cyclictest29051-21diskmemload11:13:570
118029919521014,904cyclictest3950irq/9-acpi12:22:370
11802991899923,942cyclictest0-21swapper09:39:000
11802991781919,827cyclictest0-21swapper11:48:470
118029916751090,570cyclictest3950irq/9-acpi09:43:310
118029916151024,494cyclictest23521-21runrttasks12:05:020
118029915041022,420cyclictest9-21ksoftirqd/007:24:010
118029915031012,427cyclictest0-21swapper08:52:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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