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2025-11-19 - 00:39
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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 Nov 18, 2025 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
19699910712653412,53623cyclictest0-21swapper08:56:510
19699910705453449,53508cyclictest1911-21snmpd07:56:240
19699910672053436,53284cyclictest0-21swapper10:09:020
19699910664653456,53127cyclictest3950irq/9-acpi10:23:160
19699910661253478,53134cyclictest0-21swapper08:54:410
19699910660753428,53113cyclictest0-21swapper12:36:450
19699910659653409,53095cyclictest9-21ksoftirqd/011:24:240
19699910653753469,53068cyclictest0-21swapper11:54:530
19699910652653465,53061cyclictest0-21swapper09:03:330
19699910652253448,53074cyclictest0-21swapper07:26:250
19699910651453476,53038cyclictest0-21swapper12:03:350
19699910650853391,53021cyclictest2103-21runrttasks08:11:180
19699910650153468,53033cyclictest0-21swapper10:18:150
19699910648453459,53025cyclictest0-21swapper10:44:120
19699910647753452,53025cyclictest0-21swapper11:43:190
19699910647753414,53063cyclictest0-21swapper10:56:260
19699910645753446,53011cyclictest0-21swapper08:16:100
19699910643253393,53039cyclictest0-21swapper09:05:440
19699910641953452,52904cyclictest1968-21cyclictest08:29:240
19699910638353430,52858cyclictest19197-21diskmemload09:48:560
19699910626553422,52752cyclictest0-21swapper07:50:420
19699910624153437,52804cyclictest0-21swapper11:28:150
19699910620953464,52745cyclictest0-21swapper08:03:460
19699910617153448,52723cyclictest0-21swapper08:40:570
19699910616153403,52758cyclictest0-21swapper08:05:570
19699910615153439,52712cyclictest0-21swapper08:46:080
19699910507052957,52111cyclictest0-21swapper09:22:490
19699910504052913,52125cyclictest0-21swapper11:06:490
1969995369653451,245cyclictest0-21swapper10:45:030
1969995353425,439cyclictest0-21swapper11:12:210
1969995324021,53219cyclictest0-21swapper08:39:470
1969995301926,52902cyclictest11-21rcu_preempt12:08:470
1969995276625,52741cyclictest0-21swapper12:33:440
19699962753152,3086cyclictest1744-21hald10:51:450
19699923481094,1161cyclictest31419-21rm10:11:330
19699923401078,1136cyclictest10626-21ssh10:28:180
19699922461060,1095cyclictest9-21ksoftirqd/012:25:110
19699922211023,1104cyclictest6161-21kworker/0:009:38:330
19699922111059,1058cyclictest3950irq/9-acpi11:03:280
19699921701008,1038cyclictest2103-21runrttasks11:37:080
19699921461009,1044cyclictest26838-21ssh12:21:500
19699921251094,931cyclictest2103-21runrttasks07:36:580
19699920851034,1017cyclictest0-21swapper07:12:510
19699920781079,905cyclictest24668-21ssh11:33:370
19699920781028,1015cyclictest0-21swapper09:43:350
19699920701071,902cyclictest19197-21diskmemload09:56:090
19699920631004,1025cyclictest0-21swapper09:28:310
1969992027986,1007cyclictest0-21swapper07:34:180
19699920051027,856cyclictest0-21swapper08:31:240
19699919931032,867cyclictest0-21swapper07:24:250
19699919881033,863cyclictest0-21swapper07:15:120
19699919801028,859cyclictest0-21swapper09:30:010
19699919491071,811cyclictest0-21swapper11:17:320
19699919411077,742cyclictest12969-21ssh10:30:480
1969991933937,962cyclictest0-21swapper11:46:000
19699919191057,770cyclictest0-21swapper08:23:320
19699918941020,841cyclictest24403-1kworker/0:2H11:55:330
1969991877888,975cyclictest0-21swapper07:49:120
19699918601002,823cyclictest0-21swapper09:19:180
19699917461093,653cyclictest0-21swapper10:38:010
1969991733926,787cyclictest3950irq/9-acpi12:11:070
19699917191082,542cyclictest25593-21ssh10:04:110
19699915201033,421cyclictest9-21ksoftirqd/007:41:300
19699914991011,424cyclictest0-21swapper09:12:060
19699914671096,371cyclictest0-21swapper12:18:190
19699914391082,357cyclictest0-21swapper09:53:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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