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2025-03-31 - 16:50
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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 Mon Mar 31, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
291219910722153477,53645cyclictest1608-21NetworkManager11:33:400
291219910691353469,53347cyclictest12002-21diskmemload10:00:430
291219910680553315,53470cyclictest0-21swapper10:48:470
291219910677853415,53242cyclictest0-21swapper07:59:580
291219910676053467,53202cyclictest3950irq/9-acpi11:50:550
291219910667953398,53192cyclictest9-21ksoftirqd/011:49:240
291219910656553474,53091cyclictest0-21swapper09:26:030
291219910656253450,53112cyclictest0-21swapper08:29:570
291219910655853464,53094cyclictest0-21swapper08:38:590
291219910653053470,53060cyclictest0-21swapper08:51:030
291219910652853396,53132cyclictest0-21swapper08:17:430
291219910649053462,53028cyclictest0-21swapper12:12:210
291219910646153412,53049cyclictest0-21swapper08:01:490
291219910643753436,53001cyclictest0-21swapper10:54:080
291219910643553413,53022cyclictest0-21swapper08:34:480
291219910639353435,52862cyclictest306982sleep007:12:440
291219910632553408,52853cyclictest9-21ksoftirqd/007:48:550
291219910626453389,52808cyclictest0-21swapper09:14:290
291219910624653383,52798cyclictest0-21swapper08:13:020
291219910622753460,52767cyclictest0-21swapper08:56:240
291219910622553418,52807cyclictest0-21swapper08:06:500
291219910620953468,52741cyclictest0-21swapper07:54:260
291219910619153463,52728cyclictest0-21swapper07:15:550
291219910614953438,52711cyclictest0-21swapper07:21:170
291219910553653058,52475cyclictest25118-21ssh11:55:260
291219910504852955,52091cyclictest0-21swapper10:57:090
291219910503652941,52093cyclictest0-21swapper09:32:250
291219910502352929,52092cyclictest0-21swapper10:32:220
29121995400553431,574cyclictest0-21swapper07:37:520
29121995396453404,560cyclictest0-21swapper10:16:370
29121995389253455,437cyclictest0-21swapper12:23:140
29121995383753374,463cyclictest0-21swapper12:26:450
29121995372326,564cyclictest9-21ksoftirqd/011:14:240
29121995363953363,212cyclictest0-21swapper07:44:540
29121995336624,53250cyclictest0-21swapper11:24:570
29121995305826,53032cyclictest0-21swapper07:26:380
29121995277226,52746cyclictest0-21swapper09:05:070
29121995263935,52593cyclictest15963-21kworker/0:212:36:480
291219923591078,1183cyclictest7173-21ssh12:17:220
291219923491074,1148cyclictest30206-21rm12:02:580
291219922871058,1108cyclictest21823-21rm09:23:120
291219922751048,1101cyclictest32718-21sh12:07:590
291219922151009,1082cyclictest1518-21ssh09:41:070
291219921021042,1025cyclictest0-21swapper11:41:220
291219920941043,1030cyclictest0-21swapper11:16:040
291219920851031,1019cyclictest0-21swapper09:51:200
291219920601002,1023cyclictest0-21swapper09:39:370
291219920301013,996cyclictest0-21swapper10:25:300
291219920131038,879cyclictest21130-21ssh10:11:460
291219920061026,860cyclictest0-21swapper08:22:040
29121991971958,978cyclictest0-21swapper09:15:500
29121991967950,983cyclictest0-21swapper08:43:300
29121991966946,985cyclictest0-21swapper09:03:060
29121991965948,983cyclictest0-21swapper08:49:320
29121991965947,983cyclictest0-21swapper10:38:030
291219919371007,836cyclictest0-21swapper12:30:360
291219919121038,780cyclictest0-21swapper11:35:100
291219919111040,745cyclictest23014-21ssh11:03:010
291219919081037,778cyclictest0-21swapper07:32:400
29121991842996,780cyclictest3950irq/9-acpi10:22:190
291219917711104,667cyclictest0-21swapper10:05:440
291219917291025,612cyclictest133750irq/9-eth011:09:230
291219916841082,506cyclictest133750irq/9-eth009:56:010
29121991679980,661cyclictest1911-21snmpd11:27:180
291219915051067,438cyclictest0-21swapper09:47:390
291219914511090,361cyclictest0-21swapper10:41:140
28200255089,208sleep00-21swapper07:05:320
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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