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2026-03-14 - 15:08
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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 all highest latencies:
System rack6slot6 (updated Sat Mar 14, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
292539910712553404,53624cyclictest2099-21runrttasks08:48:580
292539910692953405,53459cyclictest9-21ksoftirqd/009:25:490
292539910690053422,53414cyclictest3950irq/9-acpi11:07:180
292539910667153415,53256cyclictest0-21swapper12:24:200
292539910660053413,53095cyclictest9-21ksoftirqd/010:49:430
292539910655553377,53112cyclictest0-21swapper09:58:280
292539910655253404,53148cyclictest0-21swapper10:55:040
292539910654853390,53069cyclictest0-21swapper07:11:400
292539910650053453,53047cyclictest0-21swapper07:58:440
292539910650053443,53057cyclictest0-21swapper12:04:040
292539910648153463,53018cyclictest0-21swapper11:25:030
292539910647753461,53016cyclictest0-21swapper09:04:230
292539910646953472,52997cyclictest0-21swapper08:41:360
292539910645753466,52991cyclictest0-21swapper08:55:200
292539910645353448,53005cyclictest0-21swapper09:51:560
292539910644953481,52878cyclictest9-21ksoftirqd/007:24:540
292539910644253440,53002cyclictest0-21swapper10:24:260
292539910643853437,53001cyclictest0-21swapper10:43:410
292539910643453438,52996cyclictest0-21swapper07:36:170
292539910643253394,53038cyclictest0-21swapper10:18:540
292539910643053394,53036cyclictest0-21swapper07:19:520
292539910642453435,52989cyclictest0-21swapper09:36:120
292539910634053115,53215cyclictest0-21swapper10:53:340
292539910632453435,52823cyclictest0-21swapper07:48:310
292539910622653413,52748cyclictest0-21swapper11:32:450
292539910622253474,52748cyclictest0-21swapper08:13:280
292539910620653469,52737cyclictest0-21swapper08:28:220
292539910619353402,52791cyclictest0-21swapper08:03:050
292539910617853456,52722cyclictest0-21swapper07:40:280
292539910617353469,52704cyclictest0-21swapper07:25:340
292539910616253463,52699cyclictest0-21swapper08:18:490
292539910614353394,52749cyclictest0-21swapper07:30:050
292539910611453420,52694cyclictest0-21swapper09:48:050
292539910606753021,53044cyclictest0-21swapper11:39:170
292539910599253371,52606cyclictest19592-21ssh09:17:160
292539910581952997,52819cyclictest27872-21ssh11:54:520
29253995369627,53575cyclictest0-21swapper09:11:350
29253995359524,410cyclictest0-21swapper10:38:000
29253995358825,0cyclictest0-21swapper11:58:330
29253995341727,53390cyclictest0-21swapper12:30:020
29253995302524,52912cyclictest29252-21cyclictest08:54:400
29253995278725,52762cyclictest0-21swapper11:12:090
29253995273926,52713cyclictest0-21swapper08:34:040
29253995213411,52121cyclictest0-21swapper11:20:320
292539947022746,1952cyclictest1741-21hald12:36:140
292539924581024,1336cyclictest16905-21rm10:00:490
292539924341046,1262cyclictest14063-21diskmemload11:44:390
292539924011086,1249cyclictest9-21ksoftirqd/009:43:040
292539923491105,1178cyclictest9-21ksoftirqd/012:16:580
292539923281013,1221cyclictest134850irq/9-eth012:11:260
292539922661006,1192cyclictest3950irq/9-acpi11:16:210
292539922151049,1070cyclictest134850irq/9-eth010:33:380
292539921661036,1037cyclictest10-21rcuc/011:00:260
292539921221058,937cyclictest23560-21ssh09:23:380
292539920671024,1009cyclictest0-21swapper09:32:410
292539920651090,909cyclictest19450irq/14-ata_piix10:10:520
292539919791031,857cyclictest0-21swapper11:49:200
292539919401040,779cyclictest0-21swapper12:26:310
292539919291064,770cyclictest0-21swapper10:29:070
292539918781015,774cyclictest134850irq/9-eth012:08:260
29253991803877,901cyclictest22007-21ssh10:09:410
29253991700925,757cyclictest9-21ksoftirqd/007:53:020
292539916931074,527cyclictest5350irq/9-uhci_hcd:08:24:210
292539915011012,423cyclictest0-21swapper08:39:450
292539914641099,365cyclictest0-21swapper08:08:460
292539914611094,367cyclictest0-21swapper09:06:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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