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2026-04-24 - 05:42
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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 100 highest latencies:
System rack6slot6 (updated Fri Apr 24, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
56769910694753435,53416cyclictest2099-21runrttasks21:57:000
56769910675353441,53223cyclictest11-21rcu_preempt21:39:050
56769910671953433,53286cyclictest0-21swapper23:48:220
56769910671353423,53199cyclictest0-21swapper20:17:110
56769910667853414,53264cyclictest0-21swapper22:00:010
56769910665153474,53112cyclictest0-21swapper21:34:230
56769910664553472,53050cyclictest3261-21gnome-power-man21:25:110
56769910662153322,53276cyclictest18230-21ssh21:49:480
56769910659053410,53180cyclictest0-21swapper00:30:340
56769910651753477,53040cyclictest0-21swapper22:57:370
56769910648853453,53035cyclictest0-21swapper22:33:200
56769910645953446,53013cyclictest0-21swapper22:42:030
56769910645053443,53007cyclictest0-21swapper00:02:260
56769910641653432,52984cyclictest0-21swapper21:04:450
56769910635053434,52852cyclictest9-21ksoftirqd/000:21:010
56769910628653388,52806cyclictest0-21swapper19:44:020
56769910627953397,52882cyclictest0-21swapper19:25:460
56769910622753479,52748cyclictest0-21swapper21:09:060
56769910621553458,52757cyclictest0-21swapper20:28:040
56769910617353409,52764cyclictest0-21swapper20:55:020
56769910616553448,52717cyclictest0-21swapper19:57:360
56769910616253051,53088cyclictest0-21swapper21:54:590
56769910616153427,52698cyclictest0-21swapper21:13:480
56769910615553439,52716cyclictest0-21swapper20:08:390
56769910615053396,52754cyclictest0-21swapper20:20:420
56769910585053375,52462cyclictest0-21swapper22:21:570
56769910578553280,52505cyclictest0-21swapper00:18:210
56769910525553065,52188cyclictest134850irq/9-eth023:17:530
5676995336325,444cyclictest0-21swapper19:30:080
5676995323424,0cyclictest0-21swapper20:03:470
5676995316026,0cyclictest0-21swapper19:51:540
5676995308025,53055cyclictest0-21swapper20:14:400
5676995294727,52827cyclictest0-21swapper20:53:120
56769924361091,1251cyclictest0-21swapper23:26:060
56769923871094,1193cyclictest32539-21ssh21:23:100
56769923721061,1216cyclictest9-21ksoftirqd/023:32:170
56769923371009,1203cyclictest23051-21diskmemload00:37:360
56769921611028,1008cyclictest17501-21ssh23:21:040
56769920241009,995cyclictest0-21swapper22:45:040
56769920231063,836cyclictest6431-21ssh23:52:130
5676991992979,976cyclictest31888-21sh22:09:230
56769919921096,807cyclictest5350irq/9-uhci_hcd:23:39:390
56769919681039,837cyclictest0-21swapper19:14:430
56769919651096,869cyclictest0-21swapper22:29:390
56769919441041,782cyclictest0-21swapper20:36:170
5676991938946,978cyclictest0-21swapper19:35:090
5676991936951,950cyclictest13278-21ssh21:41:350
56769919361005,806cyclictest23051-21diskmemload23:13:220
5676991935948,951cyclictest11071-21ssh23:59:450
5676991935934,967cyclictest0-21swapper23:08:510
56769918471008,803cyclictest18889-21ssh22:36:210
5676991818991,791cyclictest29705-21ssh00:25:330
56769917151037,580cyclictest20993-21ssh00:13:590
5676991713967,721cyclictest23051-21diskmemload22:54:060
56769916911032,624cyclictest9933-21kworker/u2:221:18:090
56769916821022,565cyclictest14720-21runrttasks20:49:510
56769916741023,561cyclictest10-21rcuc/023:00:480
56769916711093,578cyclictest0-21swapper23:42:500
56769916681042,560cyclictest5350irq/9-uhci_hcd:22:18:560
56769916581089,569cyclictest0-21swapper20:32:460
56769916261007,553cyclictest0-21swapper20:42:180
5676991570996,509cyclictest9-21ksoftirqd/019:48:030
56769914911003,488cyclictest0-21swapper00:09:580
56769914821098,384cyclictest0-21swapper22:11:440
56769914471027,382cyclictest0-21swapper19:19:450
56769914461089,357cyclictest0-21swapper19:23:260
3562253665,214sleep00-21swapper19:05:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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