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2026-06-10 - 02:22
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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 Wed Jun 10, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
301549910739253451,53819cyclictest2272-21munin-node00:28:510
301549910704053468,53508cyclictest30147-21cyclictest20:10:570
301549910668253410,53181cyclictest3950irq/9-acpi23:29:140
301549910666853518,53087cyclictest3950irq/9-acpi19:33:560
301549910664153413,53164cyclictest9-21ksoftirqd/021:09:540
301549910659853406,53100cyclictest0-21swapper20:43:060
301549910658753431,53066cyclictest3950irq/9-acpi23:04:470
301549910655153417,53043cyclictest0-21swapper21:23:580
301549910654953405,53144cyclictest0-21swapper20:34:540
301549910654453459,53085cyclictest0-21swapper23:38:060
301549910651653407,53109cyclictest0-21swapper20:15:580
301549910650753472,53035cyclictest0-21swapper20:08:160
301549910650653473,53033cyclictest0-21swapper19:44:490
301549910648753462,53025cyclictest0-21swapper23:31:150
301549910647653409,52976cyclictest9-21ksoftirqd/023:14:200
301549910647253453,53019cyclictest0-21swapper20:56:100
301549910647053458,53012cyclictest0-21swapper00:08:250
301549910646153466,52995cyclictest0-21swapper22:31:570
301549910645353443,53010cyclictest0-21swapper21:38:220
301549910643053435,52995cyclictest0-21swapper22:59:550
301549910643053413,52924cyclictest0-21swapper22:13:020
301549910642853432,52996cyclictest0-21swapper23:15:100
301549910641453429,52985cyclictest0-21swapper23:22:120
301549910640753424,52983cyclictest0-21swapper23:59:130
301549910638253458,52857cyclictest134850irq/9-eth021:44:240
301549910636153432,52865cyclictest9-21ksoftirqd/022:07:300
301549910619953466,52733cyclictest0-21swapper20:50:080
301549910619353464,52729cyclictest0-21swapper21:59:380
301549910616653406,52760cyclictest0-21swapper19:47:500
301549910614753393,52754cyclictest0-21swapper23:53:110
301549910612853431,52697cyclictest0-21swapper20:21:300
301549910537853131,52247cyclictest0-21swapper23:48:190
301549910534153045,52286cyclictest9-21ksoftirqd/022:38:090
301549910516253053,52107cyclictest0-21swapper00:12:260
30154995409153474,527cyclictest0-21swapper20:26:310
30154995401928,271cyclictest31388-21ssh00:35:230
30154995392253393,529cyclictest0-21swapper22:24:150
30154995364053396,181cyclictest3950irq/9-acpi21:28:290
30154995362053472,148cyclictest0-21swapper22:18:540
30154995344426,53418cyclictest0-21swapper19:24:230
30154995338426,53265cyclictest0-21swapper21:01:310
30154995335624,53332cyclictest0-21swapper19:39:280
30154995325524,53137cyclictest0-21swapper20:00:340
30154995324624,53222cyclictest0-21swapper19:59:540
30154995322322,53107cyclictest0-21swapper21:49:450
30154995315426,53128cyclictest0-21swapper21:53:560
30154995300726,52981cyclictest0-21swapper22:47:020
30154995279127,52764cyclictest0-21swapper00:34:130
30154995278026,52754cyclictest0-21swapper19:29:250
301549923231083,1116cyclictest3923-21ssh21:33:100
301549921781057,1029cyclictest3950irq/9-acpi22:43:310
30154992132984,1114cyclictest0-21swapper00:20:090
301549920591085,879cyclictest3950irq/9-acpi00:16:480
301549920251042,931cyclictest1276-21ssh23:05:070
301549919891088,835cyclictest134850irq/9-eth022:51:130
301549919861031,862cyclictest0-21swapper20:37:550
301549919541014,844cyclictest23285-21rm22:00:580
301549919411067,779cyclictest0-21swapper21:13:250
30154991869983,852cyclictest26502-21ssh23:40:370
301549917871043,706cyclictest9300-21ssh22:28:460
30154991750843,884cyclictest0-21swapper21:15:350
301549917321028,704cyclictest0-21swapper19:53:320
30154991668979,652cyclictest6627-21ssh00:00:030
301549915501029,429cyclictest9-21ksoftirqd/020:48:280
30154991036614,419cyclictest715-21hwlatdetect-tra19:19:220
30154991009601,404cyclictest3372-21wc19:10:290
1660622080,2sleep016600-21sendmail_mailqu19:05:260
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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