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2025-08-30 - 08:24
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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 50 highest latencies:
System rack6slot6 (updated Sat Aug 30, 2025 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
159979910676353370,53380cyclictest0-21swapper20:58:470
159979910672453421,53237cyclictest133750irq/9-eth022:47:190
159979910670053450,53250cyclictest0-21swapper23:31:410
159979910670053414,53222cyclictest133750irq/9-eth023:17:370
159979910669453445,53249cyclictest0-21swapper23:08:450
159979910663253434,53134cyclictest9-21ksoftirqd/021:11:410
159979910655453476,53078cyclictest0-21swapper21:04:390
159979910655253479,53073cyclictest0-21swapper20:21:570
159979910651653432,53084cyclictest0-21swapper22:35:550
159979910649853445,53053cyclictest0-21swapper20:12:140
159979910648553406,53079cyclictest0-21swapper23:38:330
159979910645953438,53021cyclictest0-21swapper20:32:300
159979910645353461,52992cyclictest0-21swapper22:31:440
159979910645353405,53048cyclictest0-21swapper19:25:310
159979910644953463,52986cyclictest0-21swapper22:59:120
159979910644453403,52975cyclictest0-21swapper20:38:320
159979910640653428,52978cyclictest0-21swapper19:34:130
159979910638753452,52873cyclictest15901-21cyclictest19:54:490
159979910638553471,52848cyclictest0-21swapper23:24:490
159979910636153462,52899cyclictest0-21swapper21:09:200
159979910628353384,52808cyclictest0-21swapper20:40:420
159979910625853419,52748cyclictest0-21swapper23:54:180
159979910623053439,52791cyclictest0-21swapper23:10:450
159979910620253464,52738cyclictest0-21swapper00:08:520
159979910618253454,52728cyclictest0-21swapper19:47:370
159979910618053452,52728cyclictest0-21swapper21:16:430
159979910617953414,52765cyclictest0-21swapper20:00:110
159979910612253423,52699cyclictest0-21swapper20:05:420
159979910583453303,52531cyclictest0-21swapper00:38:310
159979910569353149,52533cyclictest25826-21ssh21:39:490
159979910518753066,52121cyclictest0-21swapper22:02:360
159979910518053075,52103cyclictest0-21swapper19:43:060
159979910516253021,52141cyclictest0-21swapper23:25:100
159979910511453022,52090cyclictest0-21swapper22:54:110
159979910508552988,52095cyclictest0-21swapper22:14:490
15997995362927,0cyclictest0-21swapper00:23:260
15997995310624,53082cyclictest0-21swapper20:47:340
15997995298426,52868cyclictest0-21swapper22:24:320
15997995278127,52754cyclictest0-21swapper20:17:050
159979924011051,1256cyclictest9-21ksoftirqd/023:46:560
159979923481623,714cyclictest1744-21hald20:28:090
159979922791005,1179cyclictest3950irq/9-acpi21:30:470
159979922781086,1100cyclictest17902-21kworker/0:123:40:440
159979919921080,912cyclictest0-21swapper19:37:340
159979919911025,931cyclictest0-21swapper21:51:230
15997991981981,980cyclictest3950irq/9-acpi00:18:350
159979919331023,872cyclictest22222-21taskset00:31:190
159979919221042,786cyclictest0-21swapper23:00:220
159979919131039,780cyclictest0-21swapper20:54:560
15997991905937,948cyclictest3950irq/9-acpi22:08:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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