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2025-12-12 - 20:12
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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 Fri Dec 12, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321019910671753460,53193cyclictest133750irq/9-eth022:40:300
321019910666953463,53142cyclictest9-21ksoftirqd/022:46:020
321019910661853395,53156cyclictest0-21swapper19:59:340
321019910661153470,53141cyclictest0-21swapper20:09:570
321019910660053379,53156cyclictest0-21swapper19:35:570
321019910656153472,52996cyclictest9-21ksoftirqd/021:26:590
321019910649753473,52933cyclictest0-21swapper20:39:250
321019910649253484,53008cyclictest0-21swapper00:27:310
321019910646953412,53057cyclictest0-21swapper21:21:380
321019910645453404,53050cyclictest0-21swapper20:23:310
321019910645053445,53005cyclictest0-21swapper22:14:230
321019910644853399,53049cyclictest0-21swapper22:16:230
321019910643653395,53041cyclictest0-21swapper22:31:280
321019910637553473,52902cyclictest0-21swapper20:48:380
321019910635953465,52894cyclictest0-21swapper19:27:250
321019910634353457,52886cyclictest0-21swapper23:56:020
321019910627253423,52849cyclictest0-21swapper21:18:470
321019910625753386,52805cyclictest0-21swapper20:54:200
321019910623053472,52758cyclictest0-21swapper22:51:030
321019910622953477,52752cyclictest0-21swapper20:31:330
321019910622653436,52757cyclictest0-21swapper19:18:120
321019910621353469,52744cyclictest0-21swapper20:12:080
321019910621253472,52740cyclictest0-21swapper21:02:420
321019910621253470,52742cyclictest0-21swapper19:41:190
321019910617553454,52721cyclictest0-21swapper19:53:420
321019910614753045,53100cyclictest0-21swapper23:43:180
321019910602953404,52625cyclictest0-21swapper23:46:090
321019910597853311,52667cyclictest0-21swapper21:42:540
321019910595553032,52921cyclictest26626-21ssh22:07:410
321019910575153317,52431cyclictest0-21swapper20:20:000
321019910538352940,52437cyclictest13161-21ssh21:49:360
321019910513053031,52097cyclictest0-21swapper23:09:190
321019910512353024,52097cyclictest0-21swapper22:59:460
321019910511553010,52103cyclictest0-21swapper23:31:150
321019910493352866,52065cyclictest0-21swapper23:26:440
32101995394153433,411cyclictest4691-21ssh21:37:020
32101995384453381,463cyclictest0-21swapper20:03:150
32101995342226,0cyclictest0-21swapper21:14:560
32101995325027,0cyclictest0-21swapper19:34:270
32101995320824,0cyclictest0-21swapper20:41:360
32101995316026,383cyclictest0-21swapper20:56:100
32101995302526,52908cyclictest0-21swapper23:01:460
321019924871080,1280cyclictest16674-21rm22:39:100
321019924501086,1272cyclictest30062-21kworker/u2:021:55:270
321019924031045,1229cyclictest0-21swapper00:18:590
321019922751057,1119cyclictest3950irq/9-acpi23:20:520
321019922291078,1024cyclictest27501-21ssh23:38:570
321019921971056,1040cyclictest15582-21ssh00:06:350
321019921891053,1011cyclictest8342-21ssh22:26:560
321019921671033,1009cyclictest5904-21ssh22:24:160
32101992118985,1096cyclictest11975-21ssh00:01:340
321019920801082,904cyclictest0-21swapper20:27:520
321019920571057,901cyclictest5610-21ssh00:38:340
321019920461018,1007cyclictest0-21swapper21:53:570
321019920281083,851cyclictest0-21swapper19:24:140
32101992017982,1001cyclictest0-21swapper19:10:500
321019920111075,843cyclictest0-21swapper19:48:510
321019919821030,858cyclictest0-21swapper23:53:410
32101991974951,989cyclictest0-21swapper22:04:500
32101991913952,925cyclictest8378-21ssh23:11:390
32101991790924,831cyclictest0-21swapper21:33:110
32101991625975,612cyclictest2103-21runrttasks23:19:010
321019916081090,518cyclictest0-21swapper00:22:300
321019916071088,519cyclictest0-21swapper00:13:270
321019915641068,496cyclictest0-21swapper00:30:120
321019914011025,376cyclictest0-21swapper21:08:240
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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