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2026-04-30 - 09:51
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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 Thu Apr 30, 2026 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
172749910721953465,53655cyclictest29838-21ssh23:21:530
172749910674053478,53262cyclictest0-21swapper22:17:150
172749910673653461,53275cyclictest0-21swapper23:04:580
172749910671253459,53156cyclictest3416-21ssh21:41:340
172749910668853389,53232cyclictest0-21swapper00:11:280
172749910660453403,53109cyclictest0-21swapper19:56:240
172749910659953440,53159cyclictest0-21swapper19:13:520
172749910656953437,53132cyclictest0-21swapper22:41:120
172749910654053442,53098cyclictest0-21swapper20:53:100
172749910649153462,53029cyclictest0-21swapper20:14:190
172749910646553450,53015cyclictest0-21swapper00:29:530
172749910645953454,53005cyclictest0-21swapper19:53:330
172749910645753446,53011cyclictest0-21swapper22:01:400
172749910645253445,53007cyclictest0-21swapper00:06:560
172749910645053423,52934cyclictest0-21swapper19:22:550
172749910644553399,53046cyclictest0-21swapper21:37:130
172749910643353435,52998cyclictest0-21swapper23:38:480
172749910643153438,52993cyclictest0-21swapper20:58:220
172749910642653438,52988cyclictest0-21swapper20:01:160
172749910641853426,52992cyclictest0-21swapper21:45:050
172749910641753426,52991cyclictest0-21swapper22:14:140
172749910641153423,52988cyclictest0-21swapper20:34:250
172749910639853391,52943cyclictest3950irq/9-acpi23:18:420
172749910628453387,52804cyclictest0-21swapper20:29:340
172749910627753469,52808cyclictest0-21swapper20:17:500
172749910625753451,52806cyclictest0-21swapper20:45:480
172749910622653475,52751cyclictest0-21swapper19:18:230
172749910622053435,52785cyclictest0-21swapper20:09:580
172749910621353477,52736cyclictest0-21swapper22:46:330
172749910620353471,52732cyclictest0-21swapper19:45:510
172749910617553411,52764cyclictest0-21swapper19:30:070
172749910616553404,52761cyclictest0-21swapper20:36:360
172749910616253404,52758cyclictest0-21swapper23:25:240
172749910610953419,52690cyclictest0-21swapper19:37:090
172749910603653376,52645cyclictest31631-21sh00:21:000
172749910539452970,52422cyclictest15622-21ssh21:12:060
172749910499152915,52074cyclictest0-21swapper21:22:390
17274995384553383,462cyclictest0-21swapper23:44:400
17274995352130,53491cyclictest0-21swapper22:55:160
17274995319327,0cyclictest0-21swapper21:08:550
17274995311825,53055cyclictest0-21swapper21:16:470
17274995278826,52762cyclictest0-21swapper21:53:480
172749926342614,18cyclictest2679-21devkit-power-da22:51:250
172749923461102,1119cyclictest4146-21ssh22:38:210
172749923341074,1135cyclictest2272-21munin-node23:53:420
172749922901018,1148cyclictest20203-21rm23:05:490
172749921831097,960cyclictest2272-21munin-node21:26:400
172749921751008,1074cyclictest9-21ksoftirqd/000:04:160
172749921691022,1080cyclictest134850irq/9-eth000:30:330
172749921331072,933cyclictest2099-21runrttasks21:32:320
172749920871068,929cyclictest11697-21kworker/u2:123:49:010
172749920721096,910cyclictest9-21ksoftirqd/020:21:110
172749920621023,1004cyclictest0-21swapper21:01:430
172749920371005,998cyclictest0-21swapper23:30:160
172749920261102,799cyclictest9000-21ssh00:39:260
172749920091029,858cyclictest0-21swapper19:28:460
17274992006998,973cyclictest0-21swapper22:28:080
172749920051037,968cyclictest0-21swapper20:40:070
17274991997986,976cyclictest0-21swapper21:56:190
172749919621082,758cyclictest1907-21snmpd23:59:240
172749918661038,703cyclictest1907-21snmpd19:44:010
172749917531036,681cyclictest24886-21ssh23:13:410
172749917431021,629cyclictest3950irq/9-acpi22:31:290
172749916731015,658cyclictest0-21swapper00:19:500
172749915361089,356cyclictest0-21swapper22:09:320
172749914361084,352cyclictest0-21swapper22:20:050
11187254750,211sleep00-21swapper19:06:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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