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2026-05-23 - 14:17
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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 376 highest latencies:
System rack6slot6 (updated Sat May 23, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
776299210158105399,104757cyclictest10279-21ssh21:33:330
77629910715153473,53678cyclictest0-21swapper00:17:100
77629910700653399,53518cyclictest3950irq/9-acpi00:01:450
77629910697853380,53509cyclictest3950irq/9-acpi23:39:490
77629910675453462,53228cyclictest7758-21cyclictest19:48:020
77629910670853459,53249cyclictest0-21swapper22:19:560
77629910663653418,53218cyclictest0-21swapper22:03:210
77629910657053476,53094cyclictest0-21swapper19:43:210
77629910650953435,53074cyclictest0-21swapper21:02:340
77629910650353467,53036cyclictest0-21swapper00:26:530
77629910645953466,52993cyclictest0-21swapper20:23:430
77629910645353446,53007cyclictest0-21swapper19:26:360
77629910644753403,53044cyclictest0-21swapper00:11:180
77629910644253437,53005cyclictest0-21swapper20:52:410
77629910643853397,53041cyclictest0-21swapper22:50:450
77629910642753392,53035cyclictest0-21swapper23:05:090
77629910641053423,52987cyclictest0-21swapper00:35:550
77629910629353389,52839cyclictest0-21swapper21:12:060
77629910625353381,52872cyclictest0-21swapper23:21:040
77629910625253386,52801cyclictest0-21swapper20:12:190
77629910625253383,52804cyclictest0-21swapper20:40:270
77629910623453480,52754cyclictest0-21swapper19:21:250
77629910619353460,52733cyclictest0-21swapper21:17:380
77629910610353346,52743cyclictest6924-21ssh23:47:110
77629910567052954,52713cyclictest4995-21ssh22:58:270
77629910531153080,52221cyclictest0-21swapper19:50:330
77629910515053027,52121cyclictest0-21swapper23:25:350
7762995377225,53655cyclictest0-21swapper00:23:320
7762995366724,53522cyclictest0-21swapper00:08:570
7762995362126,53501cyclictest0-21swapper23:56:040
7762995325630,159cyclictest0-21swapper20:37:160
7762995325127,0cyclictest0-21swapper23:12:310
7762995317912,53163cyclictest0-21swapper21:57:500
7762995294128,0cyclictest0-21swapper23:41:190
7762995291724,52827cyclictest196712sleep019:37:290
7762995278226,52756cyclictest0-21swapper20:08:180
7762995277726,52751cyclictest0-21swapper20:50:000
77629940052265,1702cyclictest1741-21hald20:58:330
77629924171062,1230cyclictest2099-21runrttasks19:19:340
77629923211010,1186cyclictest5417-21ssh22:12:340
77629922601068,1067cyclictest1907-21snmpd21:37:140
77629922571063,1067cyclictest25799-21diskmemload21:54:090
77629922111002,1088cyclictest0-21swapper19:10:410
77629922021087,1016cyclictest3950irq/9-acpi00:32:040
77629921361026,1072cyclictest28952-21ssh22:45:330
77629921051022,1048cyclictest134850irq/9-eth022:07:520
7762992087983,1102cyclictest0-21swapper22:44:530
77629920721037,945cyclictest3950irq/9-acpi21:21:390
77629920471050,931cyclictest134850irq/9-eth023:00:280
7762992008983,1005cyclictest0-21swapper21:08:560
77629919621035,831cyclictest1907-21snmpd20:17:410
77629919191045,784cyclictest0-21swapper19:34:380
7762991884908,962cyclictest0-21swapper22:22:170
77629918651046,727cyclictest0-21swapper19:59:150
77629918381100,672cyclictest3950irq/9-acpi22:35:000
7762991818897,896cyclictest5481-21runrttasks21:25:500
77629918141017,761cyclictest21445-21ssh21:49:570
77629917951052,645cyclictest30120-21ssh23:34:580
77629917871014,739cyclictest0-21swapper20:27:240
77629917481069,587cyclictest0-21swapper20:33:150
77629916891024,665cyclictest0-21swapper22:26:180
77629916391044,589cyclictest0-21swapper20:01:260
77629914891086,403cyclictest0-21swapper21:40:550
7762991485707,774cyclictest0-21swapper23:16:120
77629914581092,366cyclictest0-21swapper23:50:420
77629914201047,354cyclictest3950irq/9-acpi22:39:420
7647275787,210sleep00-21swapper19:09:410
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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