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2026-06-24 - 22:04
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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 Wed Jun 24, 2026 12:43:31)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
255149910699553407,53492cyclictest24330-21ssh11:53:470
255149910669753399,53204cyclictest0-21swapper08:54:460
255149910667253388,53192cyclictest0-21swapper08:16:350
255149910662353413,53119cyclictest10-21rcuc/009:26:350
255149910654153447,53094cyclictest0-21swapper11:39:330
255149910653953428,53045cyclictest0-21swapper10:24:110
255149910651153429,53082cyclictest0-21swapper08:20:260
255149910650853473,53035cyclictest0-21swapper12:18:240
255149910650753476,53031cyclictest0-21swapper11:19:170
255149910650353469,53034cyclictest0-21swapper08:39:510
255149910650153475,53026cyclictest0-21swapper09:45:500
255149910647453476,52998cyclictest0-21swapper09:01:480
255149910644153438,53003cyclictest0-21swapper08:07:520
255149910643453440,52994cyclictest0-21swapper09:17:520
255149910641353425,52988cyclictest0-21swapper10:46:180
255149910638653449,52937cyclictest0-21swapper07:27:000
255149910638353442,52941cyclictest0-21swapper10:57:010
255149910638253434,52853cyclictest0-21swapper07:47:360
255149910631653400,52852cyclictest10-21rcuc/012:08:520
255149910631053378,52866cyclictest3950irq/9-acpi08:28:480
255149910629953409,52826cyclictest0-21swapper08:49:040
255149910629453390,52812cyclictest0-21swapper10:53:500
255149910628253400,52816cyclictest0-21swapper09:09:200
255149910627153393,52816cyclictest3950irq/9-acpi10:02:250
255149910625653413,52755cyclictest0-21swapper07:39:140
255149910621453478,52736cyclictest0-21swapper10:15:090
255149910620853475,52733cyclictest0-21swapper12:03:200
255149910619253468,52724cyclictest0-21swapper07:50:470
255149910619053434,52756cyclictest0-21swapper07:18:580
255149910618953457,52732cyclictest0-21swapper07:24:400
25514995396753378,524cyclictest0-21swapper12:30:380
25514995392253384,538cyclictest0-21swapper10:40:060
25514995386253423,439cyclictest0-21swapper11:45:550
25514995367653372,238cyclictest0-21swapper10:06:060
25514995362153444,177cyclictest0-21swapper08:03:210
25514995359325,493cyclictest0-21swapper12:13:130
25514995354153390,151cyclictest0-21swapper07:55:590
25514995352826,53469cyclictest0-21swapper07:30:010
25514995347726,0cyclictest0-21swapper08:57:470
25514995342426,53398cyclictest0-21swapper10:39:560
25514995336026,53334cyclictest0-21swapper09:56:130
25514995310026,53074cyclictest0-21swapper08:43:020
25514995306625,53041cyclictest0-21swapper11:23:290
25514995305027,53023cyclictest0-21swapper09:31:160
255149922901090,1106cyclictest9-21ksoftirqd/011:56:180
255149922481043,1111cyclictest19643-21kworker/0:211:07:140
255149922001028,1078cyclictest3950irq/9-acpi12:21:250
255149921632152,8cyclictest1741-21hald11:27:100
255149920861024,909cyclictest20597-21ssh09:24:540
255149920641041,896cyclictest28257-21rm11:10:350
255149920381048,896cyclictest134850irq/9-eth011:04:230
255149920201035,865cyclictest0-21swapper10:26:420
255149919631022,906cyclictest134850irq/9-eth012:36:400
25514991907985,885cyclictest28935-21ssh09:35:570
255149919051055,756cyclictest0-21swapper10:32:440
255149918571017,747cyclictest9-21ksoftirqd/009:44:300
255149917571098,659cyclictest0-21swapper09:50:420
255149917511097,654cyclictest0-21swapper08:11:430
255149917411088,561cyclictest9-21ksoftirqd/011:43:140
255149916991007,601cyclictest3950irq/9-acpi11:33:510
255149916311032,505cyclictest9-21ksoftirqd/012:27:070
255149915881101,369cyclictest0-21swapper07:14:270
25514991541722,816cyclictest0-21swapper07:42:150
255149915031042,461cyclictest0-21swapper10:12:280
255149915031040,463cyclictest0-21swapper08:32:290
255149914381089,349cyclictest0-21swapper09:13:110
24100257381,206sleep00-21swapper07:05:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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