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2025-07-05 - 18:54
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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 all highest latencies:
System rack6slot6 (updated Sat Jul 05, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
224599910700153450,53459cyclictest0-21swapper07:47:510
224599910677153401,53304cyclictest0-21swapper12:02:240
224599910670853481,53137cyclictest32022-21kworker/0:110:49:130
224599910668053447,53233cyclictest0-21swapper08:06:260
224599910667453478,53073cyclictest10739-21ssh12:11:470
224599910660853472,53044cyclictest9-21ksoftirqd/009:16:560
224599910660453409,53195cyclictest0-21swapper11:37:070
224599910655953484,53075cyclictest0-21swapper10:04:500
224599910651553475,53040cyclictest0-21swapper12:06:550
224599910649253451,53041cyclictest0-21swapper12:31:120
224599910649153465,53026cyclictest0-21swapper07:58:240
224599910646253409,53053cyclictest0-21swapper09:48:150
224599910645053442,53008cyclictest0-21swapper09:01:220
224599910644553440,53005cyclictest0-21swapper09:55:570
224599910644153437,53004cyclictest0-21swapper11:22:120
224599910644153433,53008cyclictest0-21swapper07:18:420
224599910633353405,52837cyclictest0-21swapper08:49:480
224599910625253385,52802cyclictest0-21swapper07:21:230
224599910614453394,52750cyclictest0-21swapper08:31:230
224599910609552995,53098cyclictest0-21swapper11:49:000
224599910586552986,52877cyclictest20627-21ssh10:11:420
224599910547352862,52609cyclictest4138-21ssh10:34:180
224599910503652927,52107cyclictest0-21swapper11:14:400
22459995327126,53245cyclictest0-21swapper08:50:490
22459995306326,53037cyclictest0-21swapper12:17:580
22459995292952904,23cyclictest0-21swapper09:44:040
22459995277524,52751cyclictest0-21swapper07:36:370
224599929311794,1133cyclictest1744-21hald12:36:040
224599925491070,1352cyclictest25442-21ssh09:34:410
224599924561066,1261cyclictest2103-21runrttasks10:44:110
224599924011040,1234cyclictest17667-21ssh12:21:090
224599922271039,1061cyclictest1911-21snmpd07:29:550
224599921771025,1053cyclictest13507-21ssh11:30:450
224599921271006,996cyclictest27881-21ssh11:06:080
224599920571071,860cyclictest1911-21snmpd08:14:180
22459992040996,1010cyclictest2944-21rm11:16:210
22459992030993,1001cyclictest7465-21diskmemload10:09:410
22459992020981,1005cyclictest0-21swapper09:53:570
224599919991060,847cyclictest22447-21cyclictest08:24:010
224599919431014,894cyclictest0-21swapper08:58:310
224599919041076,701cyclictest16816-21ssh10:50:430
22459991901929,936cyclictest16550-21ssh09:21:270
22459991896925,934cyclictest24843-21ssh10:17:540
224599918861052,834cyclictest0-21swapper11:55:120
224599918831080,677cyclictest21274-21ssh11:41:480
224599917661038,661cyclictest9-21ksoftirqd/011:53:110
224599917611092,669cyclictest0-21swapper07:44:500
224599917431068,584cyclictest0-21swapper08:20:000
224599916951101,594cyclictest0-21swapper07:53:420
224599916931024,669cyclictest0-21swapper10:20:240
224599916871026,595cyclictest22447-21cyclictest10:58:450
224599916741031,579cyclictest9-21ksoftirqd/009:26:390
224599916611083,578cyclictest0-21swapper08:27:120
224599916601082,578cyclictest0-21swapper09:36:320
224599916591080,579cyclictest0-21swapper09:05:130
224599916061058,548cyclictest0-21swapper08:38:250
224599916041077,462cyclictest12578-21kworker/0:308:03:450
224599915991088,446cyclictest9-21ksoftirqd/007:11:400
224599915801094,419cyclictest3950irq/9-acpi12:26:310
224599915431022,521cyclictest0-21swapper10:36:090
224599915081104,404cyclictest0-21swapper11:29:440
224599914941098,396cyclictest0-21swapper08:44:570
22459991473995,414cyclictest0-21swapper11:04:470
224599914681098,370cyclictest0-21swapper07:30:350
224599914481091,357cyclictest0-21swapper09:14:350
22459991409986,388cyclictest333-21ssh10:29:170
22139271637,208sleep00-21swapper07:08:580
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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