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2025-09-16 - 12:26
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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 Tue Sep 16, 2025 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
173949910734753457,53790cyclictest2103-21runrttasks23:36:260
173949910723153398,53736cyclictest3416-21diskmemload22:43:510
173949910684453418,53303cyclictest3416-21diskmemload22:24:550
173949910677753465,53312cyclictest0-21swapper21:50:550
173949910677653450,53236cyclictest9-21ksoftirqd/020:14:180
173949910674853423,53233cyclictest133750irq/9-eth021:36:010
173949910656753423,53052cyclictest0-21swapper23:17:400
173949910655753467,53090cyclictest0-21swapper20:19:290
173949910653553399,53136cyclictest0-21swapper23:06:370
173949910653353422,53048cyclictest0-21swapper20:44:260
173949910652253406,53116cyclictest0-21swapper20:07:150
173949910651553475,53040cyclictest0-21swapper21:13:450
173949910649953473,53026cyclictest0-21swapper21:29:090
173949910649053418,53008cyclictest133750irq/9-eth000:07:150
173949910647953456,53023cyclictest0-21swapper19:31:150
173949910646453479,52985cyclictest0-21swapper00:01:130
173949910646353412,53051cyclictest0-21swapper21:55:070
173949910643653436,53000cyclictest0-21swapper20:28:010
173949910643553396,53039cyclictest0-21swapper20:51:080
173949910643453436,52998cyclictest0-21swapper20:56:000
173949910643353435,52998cyclictest0-21swapper23:01:460
173949910641053428,52982cyclictest0-21swapper22:03:090
173949910631053471,52772cyclictest0-21swapper19:54:220
173949910626053388,52807cyclictest0-21swapper20:23:200
173949910624453398,52846cyclictest0-21swapper21:01:510
173949910624153483,52758cyclictest0-21swapper20:45:570
173949910622653432,52794cyclictest0-21swapper23:30:440
173949910621953477,52742cyclictest0-21swapper00:29:310
173949910621853456,52762cyclictest0-21swapper19:45:590
173949910620553466,52739cyclictest0-21swapper19:41:580
173949910620353437,52766cyclictest0-21swapper20:33:330
173949910618153454,52727cyclictest0-21swapper21:07:530
173949910616853452,52716cyclictest0-21swapper23:54:110
173949910616153404,52757cyclictest0-21swapper22:07:300
173949910615453396,52758cyclictest0-21swapper19:37:470
173949910615353398,52755cyclictest0-21swapper22:59:050
173949910615053439,52711cyclictest0-21swapper21:30:090
173949910614353432,52711cyclictest0-21swapper19:26:540
173949910612053422,52698cyclictest0-21swapper19:16:410
173949910611653421,52695cyclictest0-21swapper21:17:460
173949910583753010,52824cyclictest9700-21ssh22:50:120
17394995351925,53494cyclictest0-21swapper19:14:200
17394995337925,53354cyclictest0-21swapper21:45:440
17394995328527,0cyclictest0-21swapper00:17:070
17394995325425,53229cyclictest0-21swapper22:30:470
17394995310511,53092cyclictest0-21swapper21:21:570
17394995305626,53030cyclictest0-21swapper23:57:320
17394995303525,53010cyclictest0-21swapper22:16:530
17394995297526,52858cyclictest0-21swapper23:12:590
17394995276925,52744cyclictest0-21swapper22:48:520
173949922601088,1078cyclictest9-21ksoftirqd/000:33:220
173949922001071,1003cyclictest2103-21runrttasks22:37:490
173949921931041,1115cyclictest3416-21diskmemload23:49:090
173949920771092,985cyclictest0-21swapper23:29:340
173949920641073,892cyclictest5935-21automount19:55:420
173949920611057,879cyclictest23922-21runrttasks19:21:320
17394991997943,1018cyclictest25682-21ssh22:25:550
173949919891069,856cyclictest3950irq/9-acpi00:38:340
173949919791018,836cyclictest2103-21runrttasks20:04:550
17394991955923,995cyclictest32559-21ssh23:21:410
173949919391071,776cyclictest0-21swapper20:38:340
173949918871056,710cyclictest3416-21diskmemload21:41:530
173949918471050,674cyclictest10189-21ssh00:21:090
173949917021098,507cyclictest2103-21runrttasks22:10:110
173949916091065,450cyclictest0-21swapper00:11:460
17394991531952,542cyclictest14243-21ssh23:41:270
2298926812,13sleep023288-21grep19:08:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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