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2026-03-17 - 22:13
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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 Tue Mar 17, 2026 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
39409910756853456,53988cyclictest2099-21runrttasks11:51:350
39409910750053436,53967cyclictest27233-21ssh09:18:310
39409910669953430,53269cyclictest0-21swapper11:16:350
39409910667253419,53187cyclictest0-21swapper07:17:360
39409910665053415,53143cyclictest0-21swapper08:35:590
39409910664853437,53211cyclictest0-21swapper11:40:520
39409910655053407,53143cyclictest0-21swapper08:19:540
39409910654653405,53141cyclictest0-21swapper12:16:320
39409910654553435,53047cyclictest3950irq/9-acpi10:02:440
39409910654253385,53066cyclictest0-21swapper11:34:300
39409910653553383,53060cyclictest0-21swapper08:58:550
39409910650253425,53077cyclictest0-21swapper08:44:510
39409910649553443,53052cyclictest0-21swapper09:26:030
39409910649353424,53069cyclictest0-21swapper10:25:500
39409910648853404,53020cyclictest9-21ksoftirqd/011:25:480
39409910647753458,53019cyclictest0-21swapper08:27:360
39409910647553461,53014cyclictest0-21swapper12:03:290
39409910646853412,53056cyclictest0-21swapper09:14:100
39409910646253453,53009cyclictest0-21swapper11:06:320
39409910644353447,52996cyclictest0-21swapper10:56:090
39409910644153397,53044cyclictest0-21swapper10:05:450
39409910644153370,52983cyclictest3950irq/9-acpi09:32:550
39409910643353393,53040cyclictest0-21swapper08:05:300
39409910642653436,52990cyclictest0-21swapper11:03:310
39409910642553391,53034cyclictest0-21swapper10:52:580
39409910641153430,52981cyclictest0-21swapper09:21:220
39409910640553422,52983cyclictest0-21swapper12:32:270
39409910634653385,52896cyclictest0-21swapper08:24:250
39409910629753392,52841cyclictest0-21swapper07:11:140
39409910628253399,52817cyclictest0-21swapper09:04:370
39409910623153479,52752cyclictest0-21swapper07:28:090
39409910620653463,52743cyclictest0-21swapper12:07:100
39409910620253464,52738cyclictest0-21swapper08:54:240
39409910619653466,52730cyclictest0-21swapper07:57:480
39409910618753416,52771cyclictest0-21swapper11:23:070
39409910618153457,52724cyclictest0-21swapper07:35:010
39409910617753472,52705cyclictest0-21swapper08:14:330
39409910616553450,52715cyclictest0-21swapper07:30:300
39409910615253398,52754cyclictest0-21swapper09:05:370
39409910614953462,52687cyclictest0-21swapper07:52:160
39409910613553430,52705cyclictest0-21swapper07:41:530
39409910562052924,52694cyclictest32342-21ssh10:12:470
39409910513353046,52085cyclictest0-21swapper10:47:070
39409910512653025,52099cyclictest0-21swapper11:12:340
39409910500752920,52085cyclictest0-21swapper11:47:140
3940995416626,54015cyclictest14733-21ssh10:34:530
3940995352527,0cyclictest0-21swapper07:23:380
3940995341926,53393cyclictest0-21swapper12:26:250
3940995322126,438cyclictest0-21swapper11:39:520
3940995316928,0cyclictest0-21swapper07:48:050
3940995306426,53038cyclictest0-21swapper10:36:340
3940995305912,0cyclictest10852-21ssh09:40:470
39409924671081,1292cyclictest9-21ksoftirqd/009:36:260
39409923541093,1253cyclictest0-21swapper08:04:500
39409923321068,1137cyclictest25178-21ssh12:24:140
39409920811018,1029cyclictest0-21swapper12:10:410
39409920591018,1007cyclictest0-21swapper08:47:220
3940992021984,1002cyclictest0-21swapper08:30:470
39409919911035,863cyclictest0-21swapper12:36:380
39409919871033,859cyclictest0-21swapper09:49:200
39409919561011,849cyclictest18413-21ssh09:52:210
39409919041036,775cyclictest0-21swapper09:58:020
3940991835971,828cyclictest6790-21ssh10:22:290
39409917431092,651cyclictest0-21swapper10:42:150
39409916421023,552cyclictest3950irq/9-acpi10:19:390
3940991602801,789cyclictest8164-21ssh11:59:170
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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