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2026-05-14 - 16:09
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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 Thu May 14, 2026 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
41329910721453395,53721cyclictest20031-21diskmemload11:29:000
41329910714453471,53551cyclictest32651-21ssh10:12:380
41329910710053479,53497cyclictest10328-21ssh12:01:090
41329910696453420,53453cyclictest0-21swapper07:37:330
41329910669953415,53284cyclictest0-21swapper10:25:020
41329910664353470,53109cyclictest9-21ksoftirqd/010:37:350
41329910650453446,52993cyclictest10-21rcuc/007:43:250
41329910647053409,53061cyclictest0-21swapper08:52:450
41329910646353442,53021cyclictest0-21swapper09:35:570
41329910642353432,52991cyclictest0-21swapper09:26:250
41329910637553147,53218cyclictest0-21swapper11:18:370
41329910636553442,52923cyclictest0-21swapper09:14:210
41329910631253469,52751cyclictest0-21swapper09:07:490
41329910630553426,52788cyclictest0-21swapper08:40:410
41329910626853412,52856cyclictest0-21swapper08:16:140
41329910624253405,52747cyclictest0-21swapper07:53:180
41329910622553464,52761cyclictest0-21swapper08:05:310
41329910620753469,52738cyclictest0-21swapper08:04:310
41329910618553453,52732cyclictest0-21swapper09:04:080
41329910615453400,52754cyclictest0-21swapper08:37:100
41329910599352909,53082cyclictest0-21swapper12:23:060
41329910558853027,52559cyclictest28682-21ssh11:40:330
41329910514553060,52083cyclictest0-21swapper08:27:380
41329910504552960,52082cyclictest3915-21ssh10:18:000
4132995346330,53339cyclictest0-21swapper09:51:520
4132995335927,53332cyclictest0-21swapper10:46:480
4132995323825,53118cyclictest0-21swapper08:00:000
4132995313327,53106cyclictest0-21swapper11:13:150
4132995277326,52747cyclictest0-21swapper11:51:260
41329931611953,1206cyclictest2679-21devkit-power-da08:20:060
41329925231092,1331cyclictest21463-21diskmemload10:07:360
41329924741089,1260cyclictest5776-21ssh09:33:470
41329924051097,1242cyclictest5350irq/9-uhci_hcd:10:40:360
41329922141048,1157cyclictest0-21swapper10:31:130
41329922001095,1012cyclictest3950irq/9-acpi12:32:180
41329921641070,994cyclictest283012sleep012:28:070
41329921541073,990cyclictest3950irq/9-acpi12:19:550
41329921511021,1032cyclictest3456-21ssh11:05:030
41329921091045,1030cyclictest0-21swapper11:22:280
41329920961098,900cyclictest25330-21ssh10:01:350
41329920781040,948cyclictest134850irq/9-eth010:21:000
41329920101081,834cyclictest11-21rcu_preempt12:11:320
4132991957958,963cyclictest2099-21runrttasks07:10:150
41329919531077,782cyclictest19450irq/14-ata_piix08:59:070
41329919471051,799cyclictest31874-21ssh10:59:210
41329918891031,820cyclictest3261-21gnome-power-man08:31:190
41329918621044,724cyclictest0-21swapper07:24:090
41329918531076,777cyclictest0-21swapper12:36:190
4132991810989,784cyclictest22605-21ssh11:32:110
4132991795982,776cyclictest1668-21ssh11:49:560
4132991729949,744cyclictest25475-21ssh11:36:020
41329917241059,571cyclictest0-21swapper09:42:490
41329916691006,572cyclictest10-21rcuc/009:47:310
41329916581090,568cyclictest0-21swapper07:26:100
41329916571013,608cyclictest14377-21ssh12:07:310
41329916481082,566cyclictest0-21swapper08:12:030
41329916191072,547cyclictest0-21swapper07:48:470
41329916111085,434cyclictest9-21ksoftirqd/010:54:400
41329916091004,541cyclictest0-21swapper07:19:380
41329915881054,534cyclictest0-21swapper09:16:220
41329915851088,433cyclictest9-21ksoftirqd/011:04:430
41329915711046,525cyclictest0-21swapper08:49:140
41329915471015,532cyclictest0-21swapper09:20:330
41329915011010,491cyclictest0-21swapper07:34:420
4132991358714,640cyclictest6810-21ssh11:55:580
41329912141015,199cyclictest0-21swapper09:59:540
3641273938,208sleep00-21swapper07:07:550
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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