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2025-07-02 - 18:15
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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 Wed Jul 02, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3046399210082105373,104707cyclictest14209-21ssh10:37:250
304639910724553415,53764cyclictest0-21swapper10:33:540
304639910679553394,53401cyclictest2103-21runrttasks08:28:370
304639910672753409,53228cyclictest20488-21rm12:16:030
304639910672553429,53199cyclictest15482-21diskmemload09:31:360
304639910671653398,53228cyclictest10-21rcuc/011:05:130
304639910671153424,53287cyclictest0-21swapper07:57:490
304639910664053423,53198cyclictest2103-21runrttasks10:23:510
304639910659853414,53184cyclictest0-21swapper11:56:170
304639910648153481,52910cyclictest30426-21cyclictest10:16:190
304639910647253468,53004cyclictest0-21swapper07:33:520
304639910645653447,53009cyclictest0-21swapper12:34:280
304639910645253402,53050cyclictest0-21swapper11:48:150
304639910644853432,53016cyclictest0-21swapper10:51:090
304639910642653434,52992cyclictest0-21swapper10:28:020
304639910642553453,52972cyclictest0-21swapper08:42:320
304639910642053428,52992cyclictest0-21swapper07:22:490
304639910641953430,52989cyclictest0-21swapper11:41:230
304639910624853459,52789cyclictest0-21swapper09:01:270
304639910621153473,52738cyclictest0-21swapper12:06:400
304639910617353449,52724cyclictest0-21swapper07:28:500
304639910612753427,52700cyclictest0-21swapper07:10:450
304639910587253043,52825cyclictest29071-21ssh10:13:280
304639910541153156,52255cyclictest0-21swapper10:55:400
30463995352825,53411cyclictest0-21swapper07:39:030
30463995344224,53418cyclictest0-21swapper12:24:560
30463995302428,52931cyclictest9-21ksoftirqd/008:49:440
30463995299152962,29cyclictest0-21swapper09:58:430
304639924881092,1297cyclictest20470-21ssh10:45:370
304639924851089,1270cyclictest7485-21ssh11:13:250
304639923961092,1237cyclictest3950irq/9-acpi10:09:470
304639922561033,1174cyclictest5350irq/9-uhci_hcd:11:25:280
304639921811070,1017cyclictest9-21ksoftirqd/011:52:060
304639921591036,1086cyclictest16727-21ssh12:10:410
304639921451083,972cyclictest3950irq/9-acpi11:33:010
304639920561079,851cyclictest2103-21runrttasks08:21:050
304639920541074,854cyclictest26078-21ssh11:39:530
30463992051999,1018cyclictest0-21swapper07:40:340
30463992021987,996cyclictest15693-21munin-node10:40:250
304639920211050,879cyclictest0-21swapper08:58:060
304639919961038,867cyclictest0-21swapper11:16:260
304639919821031,859cyclictest0-21swapper08:33:490
304639919721025,856cyclictest0-21swapper10:04:150
304639919691097,872cyclictest0-21swapper11:02:020
304639919571099,765cyclictest9-21ksoftirqd/009:48:200
304639919021098,678cyclictest2103-21runrttasks09:20:220
304639918971027,773cyclictest25126-21munin-node08:15:240
30463991810928,848cyclictest0-21swapper07:19:380
304639917941060,637cyclictest1744-21hald08:11:330
30463991783976,772cyclictest21682-21ssh09:18:020
304639917111034,586cyclictest12690-21kworker/0:107:45:250
304639917091035,637cyclictest15482-21diskmemload09:10:090
304639916891089,600cyclictest0-21swapper12:28:270
304639916831099,584cyclictest0-21swapper08:53:250
304639916791096,583cyclictest0-21swapper08:02:500
304639916671090,577cyclictest0-21swapper09:07:290
304639916651093,572cyclictest0-21swapper09:54:220
304639916601087,573cyclictest0-21swapper12:00:490
304639916551088,567cyclictest0-21swapper08:07:110
304639916001093,440cyclictest0-21swapper08:36:000
304639915981092,440cyclictest0-21swapper11:22:280
304639915871053,534cyclictest0-21swapper07:51:370
30463991552939,597cyclictest24355-21kworker/0:109:25:340
30463991487675,809cyclictest0-21swapper09:41:280
30463991482718,759cyclictest0-21swapper09:35:470
30463991398688,707cyclictest0-21swapper12:38:390
29557255090,205sleep00-21swapper07:05:480
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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