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2025-12-19 - 04:28
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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 Fri Dec 19, 2025 00:43:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
52479910732153468,53853cyclictest0-21swapper23:00:010
52479910721653435,53660cyclictest1907-21snmpd21:30:560
52479910693053475,53333cyclictest19372-21ssh22:33:340
52479910676853411,53265cyclictest0-21swapper20:17:550
52479910675453399,53355cyclictest0-21swapper21:49:510
52479910670053396,53184cyclictest27085-21diskmemload00:16:430
52479910667853465,53213cyclictest0-21swapper00:06:000
52479910666753477,53127cyclictest5239-21cyclictest22:13:080
52479910663753458,53179cyclictest0-21swapper20:05:110
52479910659353465,53128cyclictest0-21swapper19:51:270
52479910655353479,53074cyclictest0-21swapper20:24:160
52479910652753482,53045cyclictest0-21swapper20:32:390
52479910651853403,53023cyclictest0-21swapper23:14:250
52479910651453372,53051cyclictest0-21swapper22:22:000
52479910651353474,53039cyclictest0-21swapper20:54:350
52479910650853472,53036cyclictest0-21swapper21:44:090
52479910645553451,53004cyclictest0-21swapper23:19:470
52479910640653421,52985cyclictest0-21swapper22:44:370
52479910640353420,52983cyclictest0-21swapper19:42:240
52479910633953439,52808cyclictest0-21swapper20:48:230
52479910626153424,52747cyclictest0-21swapper20:55:050
52479910622053474,52746cyclictest0-21swapper19:59:390
52479910621653470,52746cyclictest0-21swapper19:23:190
52479910617453412,52762cyclictest0-21swapper20:44:520
52479910612353383,52740cyclictest0-21swapper21:26:240
52479910516453063,52099cyclictest0-21swapper22:18:090
5247995395553381,574cyclictest0-21swapper22:02:350
5247995381753380,437cyclictest0-21swapper22:38:150
5247995371828,53623cyclictest0-21swapper19:35:020
5247995365253375,212cyclictest0-21swapper20:25:370
5247995360724,53490cyclictest0-21swapper23:26:090
5247995337226,53346cyclictest0-21swapper23:31:300
5247995316425,0cyclictest0-21swapper23:08:140
5247995315024,53126cyclictest0-21swapper19:27:200
52479948652489,2276cyclictest2679-21devkit-power-da20:11:130
52479924361070,1267cyclictest27085-21diskmemload00:14:230
52479923251073,1130cyclictest0-21swapper19:49:460
52479922061097,1016cyclictest9-21ksoftirqd/000:23:350
52479921031041,1028cyclictest0-21swapper21:21:430
52479921001042,1020cyclictest28592-21ssh22:46:270
52479920921032,1026cyclictest0-21swapper20:01:500
52479920911034,1023cyclictest0-21swapper00:34:480
52479920831037,1025cyclictest0-21swapper22:27:320
52479920561006,1029cyclictest0-21swapper22:08:360
52479920521019,939cyclictest134850irq/9-eth021:13:200
5247992034993,1020cyclictest0-21swapper21:53:220
5247992014986,1007cyclictest0-21swapper23:36:320
52479920031094,816cyclictest11-21rcu_preempt23:58:480
5247991977984,956cyclictest14464-21ssh21:38:380
5247991960951,974cyclictest0-21swapper21:01:370
52479919541014,919cyclictest0-21swapper23:52:460
52479919501031,792cyclictest5462-21rm23:48:050
52479919281037,824cyclictest26648-21kworker/u2:222:52:590
5247991921955,929cyclictest20927-21ssh23:23:180
52479918881071,817cyclictest0-21swapper00:02:390
5247991882969,913cyclictest0-21swapper19:31:010
52479918451026,819cyclictest0-21swapper20:37:200
52479918161003,775cyclictest32726-21ssh21:17:320
5247991722999,689cyclictest4000-21ssh22:58:310
52479916741065,609cyclictest0-21swapper21:07:090
52479915551064,491cyclictest0-21swapper21:58:330
5247991545734,803cyclictest0-21swapper00:29:170
52479915031077,426cyclictest0-21swapper23:42:430
52479914681022,446cyclictest0-21swapper00:38:400
5247991112603,505cyclictest29189-21hwlatdetect-tra19:16:270
524799993545,445cyclictest12949-21wc19:12:560
3128220353,76sleep00-21swapper19:08:010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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