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2026-03-30 - 22:54
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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 30, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
297979910717353449,53627cyclictest21556-21ssh09:19:460
297979910713853411,53661cyclictest0-21swapper08:20:590
297979910698553479,53413cyclictest0-21swapper11:07:470
297979910679653388,53318cyclictest0-21swapper11:19:000
297979910675553462,53204cyclictest9-21ksoftirqd/008:03:440
297979910674053441,53203cyclictest22756-21ssh11:42:270
297979910673053427,53303cyclictest0-21swapper10:36:580
297979910672953432,53297cyclictest0-21swapper12:30:110
297979910672153425,53296cyclictest0-21swapper09:34:000
297979910667753449,53228cyclictest0-21swapper11:29:540
297979910655653392,53073cyclictest0-21swapper11:34:250
297979910651053426,53084cyclictest0-21swapper09:53:260
297979910649053480,53010cyclictest0-21swapper10:48:320
297979910647553459,53016cyclictest0-21swapper11:12:190
297979910646953452,53017cyclictest0-21swapper07:23:530
297979910646353409,53054cyclictest0-21swapper08:47:470
297979910646153408,53053cyclictest0-21swapper07:55:420
297979910645153404,53047cyclictest0-21swapper08:05:450
297979910644553479,52966cyclictest0-21swapper08:42:250
297979910643153395,53036cyclictest0-21swapper09:35:410
297979910642853433,52995cyclictest0-21swapper10:52:130
297979910642853393,53035cyclictest0-21swapper09:46:040
297979910640253418,52984cyclictest0-21swapper08:26:210
297979910636153469,52828cyclictest9-21ksoftirqd/009:57:470
297979910620153476,52725cyclictest0-21swapper08:54:490
297979910619553452,52743cyclictest0-21swapper08:31:220
297979910619553413,52782cyclictest0-21swapper07:33:560
297979910618853448,52740cyclictest0-21swapper08:57:400
297979910617953412,52767cyclictest0-21swapper09:24:380
297979910617253410,52762cyclictest0-21swapper07:47:400
297979910616853437,52731cyclictest0-21swapper07:17:310
297979910613453040,53089cyclictest0-21swapper11:38:360
297979910611253015,53095cyclictest0-21swapper10:01:380
297979910609453016,53076cyclictest0-21swapper12:06:040
297979910521353083,52130cyclictest0-21swapper10:19:230
297979910502652939,52085cyclictest0-21swapper12:01:030
29797995336726,53341cyclictest0-21swapper07:51:010
29797995329426,53268cyclictest0-21swapper10:33:270
29797995324324,0cyclictest0-21swapper07:26:340
29797995317527,383cyclictest0-21swapper07:40:580
29797995310229,52982cyclictest0-21swapper11:22:520
29797995309053022,59cyclictest0-21swapper10:09:100
29797995304627,53019cyclictest0-21swapper12:29:310
29797995295252931,19cyclictest0-21swapper12:36:230
29797995294852925,21cyclictest0-21swapper11:58:320
29797995293052920,8cyclictest0-21swapper10:43:300
29797995288730,52766cyclictest0-21swapper08:35:330
297979922981093,1080cyclictest1907-21snmpd07:36:060
29797992025985,1005cyclictest0-21swapper12:21:180
297979920181083,841cyclictest17683-1kworker/u3:210:58:140
297979919961036,868cyclictest0-21swapper09:14:040
29797991959960,961cyclictest14809-21diskmemload11:46:480
29797991940955,948cyclictest27962-21ssh09:28:490
297979919261040,849cyclictest14809-21diskmemload11:52:100
297979919111039,778cyclictest0-21swapper07:14:300
29797991885924,924cyclictest5239-21sh09:42:130
297979918281042,694cyclictest29785-21cyclictest12:17:470
297979918101006,804cyclictest0-21swapper12:13:160
297979917481088,595cyclictest3950irq/9-acpi09:00:200
297979917011092,545cyclictest29785-21cyclictest08:13:470
297979916701092,578cyclictest0-21swapper09:07:020
297979916701091,579cyclictest0-21swapper11:03:360
297979915821017,474cyclictest0-21swapper10:21:240
29797991501768,721cyclictest24960-21sh10:10:310
297979915011008,493cyclictest0-21swapper08:19:490
297979914531008,445cyclictest0-21swapper10:25:250
29176254682,206sleep00-21swapper07:07:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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