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2025-07-02 - 07:18
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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 Wed Jul 02, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
34289910673253392,53276cyclictest69582sleep019:16:590
34289910672053445,53185cyclictest9-21ksoftirqd/023:17:290
34289910671153438,53273cyclictest0-21swapper23:36:240
34289910670053472,53182cyclictest20784-21diskmemload22:08:590
34289910665353477,53176cyclictest0-21swapper19:54:000
34289910662153461,53160cyclictest0-21swapper23:24:510
34289910658953383,53143cyclictest9-21ksoftirqd/022:19:420
34289910655653413,53143cyclictest0-21swapper19:48:490
34289910655153390,53096cyclictest0-21swapper22:13:400
34289910654653374,53078cyclictest0-21swapper00:38:520
34289910653553395,53140cyclictest0-21swapper00:27:590
34289910650153472,53029cyclictest0-21swapper00:08:230
34289910649553425,53070cyclictest0-21swapper21:50:540
34289910647453455,53019cyclictest0-21swapper23:11:470
34289910647153409,53062cyclictest0-21swapper20:36:520
34289910646953461,53008cyclictest0-21swapper00:03:120
34289910646453422,53042cyclictest0-21swapper20:13:460
34289910646253407,53055cyclictest0-21swapper00:24:180
34289910645253402,53050cyclictest0-21swapper23:44:470
34289910644953457,52992cyclictest0-21swapper21:05:510
34289910642753433,52994cyclictest0-21swapper21:18:140
34289910642253426,52996cyclictest0-21swapper20:04:330
34289910639453418,52976cyclictest0-21swapper19:29:530
34289910637353482,52891cyclictest0-21swapper21:48:130
34289910627753470,52715cyclictest0-21swapper19:55:100
34289910626753427,52840cyclictest0-21swapper20:17:170
34289910626553425,52840cyclictest0-21swapper21:32:380
34289910626553410,52855cyclictest0-21swapper19:12:580
34289910623353411,52822cyclictest0-21swapper23:52:490
34289910623053460,52770cyclictest0-21swapper19:35:350
34289910621253474,52738cyclictest0-21swapper23:01:440
34289910620453467,52737cyclictest0-21swapper19:20:500
34289910620153463,52738cyclictest0-21swapper20:47:250
34289910619353418,52775cyclictest0-21swapper20:40:440
34289910617553450,52725cyclictest0-21swapper19:34:240
34289910613153428,52703cyclictest0-21swapper19:42:470
34289910574053022,52712cyclictest4565-21ssh23:48:380
34289910561552967,52645cyclictest4329-21sh00:33:410
34289910520753054,52150cyclictest24113-21sh21:14:330
34289910518553073,52110cyclictest0-21swapper22:40:380
34289910510753001,52104cyclictest0-21swapper22:28:550
34289910510653000,52104cyclictest0-21swapper23:58:100
3428995370053388,216cyclictest30400-21ssh22:54:120
3428995353425,0cyclictest0-21swapper23:08:460
3428995336531,209cyclictest22380-21ssh00:13:450
34289950012712,2252cyclictest1744-21hald20:34:020
34289948312597,2230cyclictest1744-21hald23:27:320
34289923531090,1197cyclictest133750irq/9-eth021:00:190
34289923241019,1212cyclictest19695-21kworker/u2:122:47:000
34289922931064,1178cyclictest30034-21rm21:22:050
34289922801025,1162cyclictest26715-21rm23:34:440
34289921671073,968cyclictest20784-21diskmemload22:37:170
34289921071045,1028cyclictest0-21swapper20:07:340
34289920091024,951cyclictest0-21swapper21:37:200
3428992007993,980cyclictest0-21swapper00:17:060
34289919911027,930cyclictest0-21swapper22:00:470
34289919761028,855cyclictest0-21swapper20:52:170
34289918281102,630cyclictest2353-21ssh21:29:270
3428991809919,854cyclictest1911-21snmpd20:58:190
34289917541030,630cyclictest3950irq/9-acpi22:21:220
34289917291087,548cyclictest0-21swapper21:43:320
34289916961080,524cyclictest3950irq/9-acpi22:57:330
34289916551030,529cyclictest14427-21ssh22:30:350
34289916011096,505cyclictest0-21swapper20:24:290
34289915961017,514cyclictest9-21ksoftirqd/020:28:200
3428991589767,814cyclictest0-21swapper21:57:560
3123273967,212sleep00-21swapper19:08:400
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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