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2025-12-20 - 21:23
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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 50 highest latencies:
System rack6slot6 (updated Sat Dec 20, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
96689910743253404,53907cyclictest22126-21ssh11:24:100
96689910683253403,53340cyclictest9667-21cyclictest10:11:290
96689910679653407,53389cyclictest0-21swapper09:13:030
96689910672553474,53251cyclictest0-21swapper07:11:480
96689910671653471,53245cyclictest0-21swapper10:26:140
96689910667753404,53273cyclictest0-21swapper11:32:330
96689910667553387,53197cyclictest0-21swapper07:19:200
96689910662453423,53201cyclictest0-21swapper08:17:370
96689910660653476,53130cyclictest0-21swapper07:54:400
96689910655953389,53170cyclictest0-21swapper11:52:390
96689910654553440,53014cyclictest11-21rcu_preempt11:29:120
96689910651653401,53115cyclictest0-21swapper08:20:280
96689910650253472,53030cyclictest0-21swapper09:52:240
96689910646953413,53056cyclictest0-21swapper11:13:570
96689910646653414,53052cyclictest0-21swapper12:38:520
96689910646353473,52990cyclictest0-21swapper07:46:480
96689910646353438,53025cyclictest0-21swapper08:50:460
96689910646153406,53055cyclictest0-21swapper12:31:200
96689910644353400,53043cyclictest0-21swapper11:15:580
96689910643753436,53001cyclictest0-21swapper09:40:310
96689910643753395,53042cyclictest0-21swapper09:06:510
96689910643253394,53038cyclictest0-21swapper11:09:060
96689910642553436,52989cyclictest0-21swapper11:39:050
96689910642053434,52986cyclictest0-21swapper08:59:590
96689910642053430,52990cyclictest0-21swapper12:28:190
96689910640353479,52860cyclictest9-21ksoftirqd/010:34:560
96689910633553425,52910cyclictest0-21swapper12:23:380
96689910633353397,52891cyclictest0-21swapper10:43:190
96689910623653481,52755cyclictest0-21swapper08:26:090
96689910622453474,52750cyclictest0-21swapper08:39:130
96689910617853412,52766cyclictest0-21swapper09:24:060
96689910617353436,52701cyclictest0-21swapper08:07:340
96689910615753442,52715cyclictest0-21swapper09:04:000
96689910615753428,52692cyclictest0-21swapper07:57:210
96689910614553394,52751cyclictest0-21swapper08:48:160
96689910613453440,52694cyclictest0-21swapper08:42:140
96689910579853035,52761cyclictest32318-21ssh09:17:040
96689910536152917,52442cyclictest7225-21ssh09:27:570
9668995365227,53625cyclictest0-21swapper07:21:510
9668995338925,53364cyclictest0-21swapper07:43:270
9668995322026,53098cyclictest1907-21snmpd07:25:020
966899530928,9cyclictest0-21swapper12:07:530
9668995308525,53060cyclictest0-21swapper09:31:380
96689952082885,2286cyclictest1741-21hald10:08:190
96689925211091,1332cyclictest6645-21ssh11:48:370
96689922871031,1161cyclictest0-21swapper12:03:420
96689922721048,1103cyclictest0-21swapper10:37:370
96689922011064,1012cyclictest14032-21diskmemload11:59:510
96689921931087,1039cyclictest134850irq/9-eth010:01:160
96689921601041,1021cyclictest2099-21runrttasks07:33:540
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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