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2026-04-20 - 00:35
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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 highest latencies:
System rack6slot6 (updated Sun Apr 19, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
320179910665153396,53190cyclictest0-21swapper11:30:500
320179910655453475,53079cyclictest0-21swapper12:23:350
320179910650853473,53035cyclictest0-21swapper09:05:590
320179910650853432,53076cyclictest0-21swapper09:46:400
320179910650553418,53087cyclictest0-21swapper10:02:350
320179910649753464,53033cyclictest0-21swapper07:34:420
320179910647353419,52990cyclictest3950irq/9-acpi11:46:150
320179910645953407,53052cyclictest0-21swapper07:45:050
320179910645453464,52990cyclictest0-21swapper12:13:430
320179910644353399,53044cyclictest0-21swapper12:26:460
320179910643753440,52997cyclictest0-21swapper07:55:580
320179910638353414,52969cyclictest0-21swapper11:07:540
320179910622353478,52745cyclictest0-21swapper08:57:360
320179910621253410,52765cyclictest0-21swapper07:18:280
320179910620353468,52735cyclictest0-21swapper07:37:430
320179910620053463,52737cyclictest0-21swapper11:51:360
320179910617753411,52766cyclictest0-21swapper07:29:410
320179910613853427,52711cyclictest0-21swapper08:06:210
320179910612353424,52699cyclictest0-21swapper07:44:550
320179910607452965,53107cyclictest0-21swapper11:36:120
320179910599652908,53083cyclictest0-21swapper12:34:590
320179910599552913,53080cyclictest0-21swapper12:04:300
320179910598753346,52641cyclictest0-21swapper09:29:350
320179910597652908,53066cyclictest0-21swapper07:54:380
320179910589853360,52538cyclictest0-21swapper10:28:520
320179910514553034,52109cyclictest0-21swapper08:53:150
32017995413526,0cyclictest12778-21ssh11:23:280
32017995337324,53255cyclictest0-21swapper07:21:590
32017995323726,459cyclictest0-21swapper08:13:230
32017995323027,0cyclictest0-21swapper10:54:200
32017995317827,53057cyclictest0-21swapper12:18:040
3201799531058,53095cyclictest0-21swapper09:12:500
32017995309811,6cyclictest0-21swapper09:30:050
32017995309626,52978cyclictest10-21rcuc/010:48:480
32017995293226,0cyclictest0-21swapper08:03:510
320179925001089,1285cyclictest2099-21runrttasks08:36:100
320179922581064,1100cyclictest0-21swapper08:41:010
320179922521081,1072cyclictest1933-21ntpd09:53:120
320179922311055,1052cyclictest31327-21rm12:36:390
320179921381031,1015cyclictest10-21rcuc/011:42:540
320179921141030,1047cyclictest2790-21gnome-settings-11:04:530
320179921021041,1027cyclictest0-21swapper08:48:430
320179920721008,1029cyclictest0-21swapper09:17:320
320179920581002,1022cyclictest0-21swapper09:43:490
32017992052997,1020cyclictest0-21swapper08:26:470
320179919821032,858cyclictest0-21swapper11:13:550
320179919281031,859cyclictest17012-21diskmemload10:31:230
32017991877925,927cyclictest17012-21diskmemload10:19:000
320179918591045,722cyclictest0-21swapper09:24:340
320179918281027,709cyclictest9-21ksoftirqd/011:17:060
320179917871062,628cyclictest17012-21diskmemload10:07:560
320179917471054,693cyclictest0-21swapper08:21:460
320179917411093,648cyclictest0-21swapper11:28:400
320179917391036,665cyclictest3341-21ssh11:55:470
320179917361035,664cyclictest4209-21ssh09:37:070
320179916921090,602cyclictest0-21swapper08:31:490
320179916861088,598cyclictest0-21swapper10:37:050
320179916861062,561cyclictest32016-21cyclictest09:04:380
320179916521071,581cyclictest0-21swapper10:40:360
32017991615797,815cyclictest0-21swapper08:19:550
320179915871038,549cyclictest0-21swapper12:09:210
32017991563951,575cyclictest28787-21ssh10:12:580
320179915031096,407cyclictest0-21swapper09:56:530
32017991494721,768cyclictest0-21swapper10:57:210
320179914511089,362cyclictest0-21swapper07:10:550
320179914321084,348cyclictest0-21swapper10:21:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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