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2026-07-04 - 04:20
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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 792 highest latencies:
System rack6slot6 (updated Sat Jul 04, 2026 00:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
130839910696953388,53518cyclictest134850irq/9-eth022:20:530
130839910674553417,53238cyclictest5350irq/9-uhci_hcd:23:52:090
130839910671153552,53157cyclictest1741-21hald00:18:370
130839910667453474,53102cyclictest2099-21runrttasks19:28:330
130839910661953406,53150cyclictest13072-21cyclictest22:11:100
130839910659653474,53122cyclictest0-21swapper00:25:590
130839910658753421,53100cyclictest0-21swapper20:23:090
130839910654753463,53084cyclictest0-21swapper19:50:090
130839910654653387,53092cyclictest0-21swapper22:08:190
130839910651653479,53037cyclictest0-21swapper19:45:480
130839910649953468,53031cyclictest0-21swapper21:40:510
130839910649953412,53023cyclictest5350irq/9-uhci_hcd:23:42:560
130839910648753466,53021cyclictest0-21swapper23:04:150
130839910647853461,53017cyclictest0-21swapper23:48:280
130839910646553456,53009cyclictest0-21swapper23:32:130
130839910646553455,53010cyclictest0-21swapper19:33:040
130839910645853408,53050cyclictest0-21swapper21:20:550
130839910645053464,52986cyclictest0-21swapper00:12:550
130839910643153441,52990cyclictest0-21swapper22:28:350
130839910641053428,52982cyclictest0-21swapper21:03:500
130839910631753417,52809cyclictest9-21ksoftirqd/020:26:500
130839910625953428,52831cyclictest0-21swapper20:43:450
130839910622953461,52768cyclictest0-21swapper19:40:260
130839910616553404,52761cyclictest0-21swapper20:54:380
130839910615453441,52713cyclictest0-21swapper23:06:260
130839910614353435,52708cyclictest0-21swapper19:59:320
130839910613453430,52704cyclictest0-21swapper20:11:350
130839910612953432,52697cyclictest0-21swapper21:09:320
130839910589153365,52526cyclictest0-21swapper23:39:450
130839910537353151,52222cyclictest0-21swapper19:39:260
130839910512252961,52159cyclictest3950irq/9-acpi00:03:220
13083995389231,53735cyclictest23069-21diskmemload22:53:220
13083995366126,0cyclictest24472-21ssh22:46:100
13083995356126,0cyclictest0-21swapper00:08:440
13083995354825,0cyclictest0-21swapper21:28:070
13083995338724,53363cyclictest0-21swapper22:34:570
13083995318925,53164cyclictest0-21swapper20:37:230
13083995304226,52924cyclictest0-21swapper20:59:290
1308399530069,10cyclictest27715-21ssh22:04:080
130839925631090,1374cyclictest17622-21rm22:35:570
130839925061092,1316cyclictest23069-21diskmemload23:27:220
130839924951072,1297cyclictest2099-21runrttasks23:11:570
130839924781065,1287cyclictest3337-21ssh00:39:020
130839924381029,1286cyclictest30128-21ssh22:55:120
130839923341025,1216cyclictest3950irq/9-acpi21:57:060
130839923031065,1118cyclictest134850irq/9-eth023:24:010
130839921511007,1019cyclictest1907-21snmpd20:19:480
130839921431100,919cyclictest2099-21runrttasks20:48:460
130839921241007,1079cyclictest12358-21ssh23:15:480
13083992081977,1067cyclictest20493-21ssh21:53:150
130839920761009,1000cyclictest3950irq/9-acpi00:20:170
130839920751050,900cyclictest23069-21diskmemload23:56:300
130839920651021,1010cyclictest0-21swapper22:16:310
130839920311078,861cyclictest9-21ksoftirqd/020:09:550
130839920131024,864cyclictest28807-21rm21:17:440
13083991990946,1002cyclictest6637-21taskset21:32:390
130839919571023,897cyclictest9745-21ssh21:37:000
13083991932929,968cyclictest0-21swapper21:14:330
130839918611004,764cyclictest3950irq/9-acpi00:31:400
130839916901091,505cyclictest9-21ksoftirqd/021:48:530
130839916371039,598cyclictest0-21swapper22:41:180
130839915961043,461cyclictest9-21ksoftirqd/020:04:130
130839915211066,365cyclictest0-21swapper20:32:310
13083991226611,612cyclictest11074-21hwlatdetect-tra19:23:520
13083991221607,611cyclictest27669-21hwlatdetect-tra19:11:080
13083991193592,597cyclictest19353-21hwlatdetect-tra19:17:300
2708526911,13sleep027361-21wc19:07:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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