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2026-03-17 - 08:17
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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 all highest latencies:
System rack6slot6 (updated Tue Mar 17, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
73539910755153433,53995cyclictest1907-21snmpd22:43:080
73539910696753423,53452cyclictest0-21swapper23:03:040
73539910669053396,53294cyclictest0-21swapper21:56:350
73539910658453461,53123cyclictest0-21swapper23:16:080
73539910656553399,53101cyclictest0-21swapper23:33:430
73539910655353394,53069cyclictest0-21swapper22:47:090
73539910654553386,53094cyclictest0-21swapper21:15:430
73539910653053443,53087cyclictest0-21swapper19:58:310
73539910652553437,53088cyclictest0-21swapper20:58:380
73539910651353474,53039cyclictest0-21swapper21:44:510
73539910649953447,53052cyclictest0-21swapper21:33:180
73539910649153464,53027cyclictest0-21swapper23:08:050
73539910648953469,53020cyclictest0-21swapper00:09:130
73539910646053453,53007cyclictest0-21swapper20:31:500
73539910645853393,53065cyclictest0-21swapper19:40:450
73539910645353407,53046cyclictest0-21swapper20:24:480
73539910644553465,52980cyclictest0-21swapper23:39:240
73539910643053439,52991cyclictest0-21swapper21:20:040
73539910642953393,53036cyclictest0-21swapper23:29:510
73539910641253424,52988cyclictest0-21swapper22:26:130
73539910639953421,52978cyclictest0-21swapper22:58:120
73539910628553434,52788cyclictest134850irq/9-eth022:06:480
73539910626253440,52822cyclictest0-21swapper20:30:000
73539910625253460,52792cyclictest0-21swapper20:17:560
73539910623453453,52781cyclictest0-21swapper19:15:480
73539910622653475,52751cyclictest0-21swapper20:49:150
73539910621653472,52744cyclictest0-21swapper20:35:410
73539910621353470,52743cyclictest0-21swapper19:38:350
73539910621053445,52765cyclictest0-21swapper21:49:230
73539910621053414,52796cyclictest0-21swapper20:44:040
73539910619253460,52732cyclictest0-21swapper21:01:190
73539910618653456,52730cyclictest0-21swapper22:22:320
73539910618153400,52781cyclictest0-21swapper00:31:490
73539910615753053,53102cyclictest0-21swapper23:47:470
73539910514253037,52103cyclictest0-21swapper23:43:150
73539910508552983,52100cyclictest0-21swapper22:53:010
7353995344325,53418cyclictest0-21swapper22:31:550
7353995333624,387cyclictest0-21swapper00:22:270
7353995318927,53162cyclictest0-21swapper19:48:280
735399531068,53096cyclictest0-21swapper00:15:250
73539924131041,1248cyclictest29207-21ssh22:02:360
73539923981004,1270cyclictest24523-21diskmemload00:27:580
73539923561014,1219cyclictest2099-21runrttasks19:27:010
73539921801008,1072cyclictest8165-21ssh23:52:080
73539920581027,1011cyclictest0-21swapper23:12:570
7353992029964,1027cyclictest16399-21munin-node20:50:150
7353992021982,1004cyclictest0-21swapper19:12:270
7353992010956,1017cyclictest10987-21ssh21:35:490
7353991972960,978cyclictest0-21swapper20:05:020
73539919721075,897cyclictest0-21swapper20:12:040
7353991958982,956cyclictest0-21swapper19:53:590
73539919451078,774cyclictest0-21swapper21:52:030
73539919381076,770cyclictest0-21swapper21:09:010
7353991936954,968cyclictest0-21swapper23:57:390
73539919351019,879cyclictest1907-21snmpd00:03:110
73539919281035,772cyclictest0-21swapper21:27:360
73539919281034,772cyclictest0-21swapper00:10:330
73539919261032,772cyclictest0-21swapper22:16:100
73539919251041,794cyclictest3950irq/9-acpi00:37:210
7353991885923,936cyclictest26040-21sh21:10:510
7353991843905,921cyclictest21437-21ssh22:38:170
73539917351094,641cyclictest0-21swapper23:21:390
73539916571089,503cyclictest9-21ksoftirqd/020:03:120
73539915251008,451cyclictest0-21swapper19:24:310
73539915091043,374cyclictest0-21swapper22:11:290
7353991171925,226cyclictest0-21swapper19:34:340
68482599137,242sleep00-21swapper19:07:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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