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2025-11-25 - 09:06
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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 Tue Nov 25, 2025 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
163409910695053419,53531cyclictest0-21swapper00:28:290
163409910692253440,53482cyclictest2103-21runrttasks23:46:270
163409910684353439,53281cyclictest11-21rcu_preempt22:34:560
163409910670453464,53240cyclictest0-21swapper20:52:170
163409910665753471,53186cyclictest0-21swapper00:21:270
163409910663353430,53137cyclictest0-21swapper00:14:450
163409910661653385,53164cyclictest0-21swapper20:43:340
163409910661053387,53134cyclictest9-21ksoftirqd/021:02:300
163409910659453477,53027cyclictest0-21swapper19:41:460
163409910657753387,53097cyclictest0-21swapper19:33:240
163409910655553419,53136cyclictest0-21swapper00:35:110
163409910655453405,53149cyclictest0-21swapper22:58:530
163409910655353389,53098cyclictest0-21swapper21:29:370
163409910652353473,53050cyclictest0-21swapper23:35:440
163409910650453462,53042cyclictest0-21swapper21:12:220
163409910650253384,53053cyclictest0-21swapper20:28:100
163409910648453465,53019cyclictest0-21swapper19:59:210
163409910646653410,53056cyclictest0-21swapper21:08:210
163409910645353448,53005cyclictest0-21swapper22:39:380
163409910645053401,53049cyclictest0-21swapper22:21:520
163409910642753433,52994cyclictest0-21swapper00:09:230
163409910637953477,52902cyclictest0-21swapper20:56:580
163409910636753391,52976cyclictest0-21swapper20:32:010
163409910633053474,52795cyclictest9-21ksoftirqd/020:18:170
163409910625253384,52803cyclictest0-21swapper20:13:050
163409910623153402,52829cyclictest0-21swapper20:22:080
163409910622053472,52748cyclictest0-21swapper19:39:060
163409910621853467,52751cyclictest0-21swapper22:41:380
163409910620853426,52782cyclictest0-21swapper19:27:320
163409910618353414,52769cyclictest0-21swapper20:39:130
163409910616053446,52714cyclictest0-21swapper19:48:180
163409910615553398,52757cyclictest0-21swapper23:03:140
163409910592253013,52906cyclictest2031-21ssh23:17:390
16340995382653388,438cyclictest0-21swapper21:53:540
16340995360626,53486cyclictest0-21swapper22:46:300
16340995351425,53365cyclictest31316-21ssh23:58:300
16340995346653422,44cyclictest0-21swapper19:22:410
16340995339125,0cyclictest0-21swapper23:10:260
16340995334330,0cyclictest25010-21ssh21:35:090
16340995308625,53061cyclictest0-21swapper20:45:550
16340995277526,52749cyclictest0-21swapper22:50:110
163409924741076,1270cyclictest2974-21ssh00:04:120
163409924461081,1241cyclictest28178-21ssh23:09:260
163409923601049,1188cyclictest16898-21ssh21:23:260
163409922911010,1189cyclictest9-21ksoftirqd/021:19:140
163409922591065,1100cyclictest3950irq/9-acpi21:58:460
163409922321076,1056cyclictest20309-21ssh22:13:100
163409922251036,1122cyclictest133750irq/9-eth022:07:280
163409921671042,1115cyclictest12659-21ssh00:17:160
163409921521087,998cyclictest133750irq/9-eth022:02:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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