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2026-05-07 - 02:35
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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 Thu May 07, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
93659910739053404,53890cyclictest19944-21ssh22:45:160
93659910722353412,53811cyclictest0-21swapper21:45:390
93659910672553458,53267cyclictest0-21swapper20:06:510
93659910650553475,53030cyclictest0-21swapper00:08:000
93659910647553454,53021cyclictest0-21swapper22:25:110
93659910645753466,52991cyclictest0-21swapper22:31:120
93659910645153475,52976cyclictest0-21swapper20:42:310
93659910645053399,53051cyclictest0-21swapper22:38:240
93659910644753449,52998cyclictest0-21swapper23:24:180
93659910643453470,52964cyclictest0-21swapper20:16:540
93659910642453383,52978cyclictest11594-21kworker/0:320:59:160
93659910641153389,52957cyclictest8450-21kworker/0:020:03:100
93659910633053401,52838cyclictest0-21swapper19:39:030
93659910626753470,52797cyclictest0-21swapper19:29:300
93659910621953479,52740cyclictest0-21swapper20:39:500
93659910620953466,52743cyclictest0-21swapper19:31:110
93659910620653470,52736cyclictest0-21swapper19:53:270
93659910619453461,52733cyclictest0-21swapper20:51:540
93659910618753461,52726cyclictest0-21swapper21:03:570
93659910616053401,52759cyclictest0-21swapper19:48:150
93659910615653440,52716cyclictest0-21swapper21:24:430
93659910613053426,52704cyclictest0-21swapper00:37:390
93659910611453021,53091cyclictest0-21swapper22:53:090
93659910585753051,52803cyclictest24249-21ssh23:38:520
93659910540052924,52470cyclictest7954-21sh21:40:280
9365995353726,0cyclictest0-21swapper22:21:090
9365995351526,438cyclictest0-21swapper00:16:230
9365995344728,53319cyclictest4960-21ssh21:36:270
9365995338625,53270cyclictest0-21swapper19:41:030
9365995334426,53225cyclictest5350irq/9-uhci_hcd:00:10:310
9365995277325,52748cyclictest0-21swapper21:05:480
93659924681057,1283cyclictest30345-21ssh00:34:280
93659923271049,1185cyclictest134850irq/9-eth021:30:250
93659922271040,1065cyclictest0-21swapper21:28:440
9365992187990,1104cyclictest9-21ksoftirqd/000:29:060
93659921521038,1077cyclictest2957-21ssh23:07:230
93659921111096,891cyclictest1994-21sendmail20:34:090
93659920891019,1031cyclictest21557-21ssh00:20:340
93659920191034,865cyclictest0-21swapper23:17:560
9365992005994,991cyclictest3950irq/9-acpi23:00:310
93659919941035,865cyclictest0-21swapper20:10:420
93659919681039,808cyclictest0-21swapper22:44:360
93659919561038,850cyclictest134850irq/9-eth000:03:190
93659919491016,807cyclictest22936-21ssh21:15:310
93659919471018,808cyclictest19856-21ssh21:11:190
93659919441017,804cyclictest19471-21munin-node19:55:170
9365991938935,967cyclictest0-21swapper22:07:460
93659919351039,803cyclictest0-21swapper20:21:350
93659919011088,686cyclictest1994-21sendmail22:57:200
93659918811098,656cyclictest2099-21runrttasks21:52:110
93659918631046,817cyclictest0-21swapper23:33:500
93659917391034,705cyclictest0-21swapper23:44:230
93659916811000,615cyclictest3950irq/9-acpi20:29:570
93659916781093,585cyclictest0-21swapper23:29:090
9365991677915,725cyclictest18116-21diskmemload23:54:260
93659916361091,455cyclictest9-21ksoftirqd/022:11:270
93659916301069,561cyclictest0-21swapper22:16:280
93659916131097,424cyclictest0-21swapper20:49:230
93659915841046,538cyclictest0-21swapper23:48:040
93659915481037,511cyclictest0-21swapper22:02:140
93659914991064,372cyclictest9-21ksoftirqd/023:12:340
93659914881019,433cyclictest4563-21ssh23:56:170
93659914821021,424cyclictest19427-21ssh21:57:430
93659914191072,347cyclictest0-21swapper19:23:580
9365991269583,683cyclictest0-21swapper19:13:150
9365991118589,525cyclictest4454-21hwlatdetect-tra19:16:560
2025126411,12sleep020532-21hwlatdetect-tra19:06:520
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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