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2025-12-11 - 09:26
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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 Thu Dec 11, 2025 00:43:36)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
327019910719853461,53641cyclictest1911-21snmpd00:02:290
327019910713353464,53603cyclictest0-21swapper22:14:580
327019910701853386,53588cyclictest0-21swapper00:18:240
327019910700753409,53532cyclictest0-21swapper00:06:000
327019910688053450,53365cyclictest133750irq/9-eth021:28:550
327019910672953415,53224cyclictest11-21rcu_preempt23:14:550
327019910652453472,53052cyclictest0-21swapper21:14:510
327019910651953476,53043cyclictest0-21swapper22:23:410
327019910651953471,53048cyclictest0-21swapper20:45:520
327019910651153414,53097cyclictest0-21swapper19:44:250
327019910649753459,53038cyclictest0-21swapper22:47:070
327019910646053407,53053cyclictest0-21swapper22:29:020
327019910644253443,52999cyclictest0-21swapper21:06:080
327019910643753440,52997cyclictest0-21swapper20:15:040
327019910642553429,52996cyclictest0-21swapper23:04:320
327019910634453441,52811cyclictest0-21swapper19:25:090
327019910631153443,52868cyclictest0-21swapper19:13:560
327019910629353470,52759cyclictest9-21ksoftirqd/019:22:080
327019910618553415,52770cyclictest0-21swapper22:51:590
327019910617453446,52728cyclictest0-21swapper22:18:490
327019910616753405,52762cyclictest0-21swapper20:22:560
327019910616153402,52759cyclictest0-21swapper20:42:210
327019910611153418,52693cyclictest0-21swapper22:05:350
327019910609553009,53084cyclictest0-21swapper21:45:500
327019910581353257,52544cyclictest0-21swapper21:33:460
327019910579053283,52507cyclictest0-21swapper21:51:110
327019910517153066,52103cyclictest0-21swapper00:26:260
327019910502052915,52103cyclictest0-21swapper22:03:250
32701995385553390,465cyclictest0-21swapper20:00:090
32701995365553379,212cyclictest0-21swapper20:09:420
32701995363825,53593cyclictest0-21swapper22:43:260
32701995356653434,42cyclictest0-21swapper20:58:160
32701995339727,53279cyclictest32693-21cyclictest21:44:290
32701995312524,53008cyclictest0-21swapper23:40:330
32701995289125,52774cyclictest9-21ksoftirqd/020:14:330
327019924551092,1269cyclictest17173-21rm22:39:050
327019922861055,1206cyclictest26571-21ssh23:35:310
327019922781019,1259cyclictest0-21swapper20:32:290
327019922711094,1050cyclictest7263-21ssh00:39:200
327019922391039,1077cyclictest22937-21ssh23:30:300
327019922021092,1013cyclictest9276-21ssh23:56:270
327019921901054,1013cyclictest2103-21runrttasks19:55:080
327019921511054,1005cyclictest3682-21rm23:05:120
327019921071066,950cyclictest3950irq/9-acpi22:34:040
327019921051043,1028cyclictest0-21swapper20:26:170
327019920991078,928cyclictest0-21swapper19:47:150
327019920911036,1021cyclictest0-21swapper21:17:110
327019920691023,1012cyclictest0-21swapper23:21:470
327019920341016,981cyclictest6549-21ssh21:39:380
32701992031994,1016cyclictest0-21swapper23:49:050
327019920151076,848cyclictest0-21swapper19:50:360
327019919961091,805cyclictest2103-21runrttasks23:16:260
32701991992999,958cyclictest20201-21ssh00:11:420
327019919841032,859cyclictest0-21swapper19:38:130
327019919691059,786cyclictest111162sleep020:53:350
32701991901958,906cyclictest2114-21munin-node20:39:510
327019918901045,787cyclictest0-21swapper23:52:360
327019918901041,811cyclictest28050-21ssh21:24:440
327019918491042,715cyclictest0-21swapper21:03:070
327019918071004,680cyclictest0-21swapper23:28:290
32701991737969,735cyclictest11-21rcu_preempt00:21:140
32701991721958,727cyclictest28682-21diskmemload22:55:100
327019916611081,516cyclictest9-21ksoftirqd/000:34:180
327019916051091,514cyclictest0-21swapper19:18:070
327019915611008,491cyclictest19758-21kworker/0:419:32:310
327019915021079,360cyclictest9-21ksoftirqd/021:59:340
32174254785,208sleep00-21swapper19:07:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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