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2026-06-23 - 04:37
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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 Tue Jun 23, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
59209910716953428,53643cyclictest14144-21ssh23:22:160
59209910705353414,53548cyclictest0-21swapper20:05:490
59209910702653414,53521cyclictest9-21ksoftirqd/022:00:120
59209910672053490,53140cyclictest0-21swapper22:42:340
59209910671553424,53199cyclictest0-21swapper21:11:280
59209910670053429,53205cyclictest0-21swapper21:40:360
59209910658853436,53152cyclictest0-21swapper00:21:230
59209910657253448,53033cyclictest0-21swapper21:56:310
59209910655153384,53076cyclictest0-21swapper22:14:160
59209910654953417,53132cyclictest0-21swapper23:43:320
59209910651053449,52967cyclictest6694-21ssh23:59:570
59209910649853473,53025cyclictest0-21swapper20:42:300
59209910649753472,53025cyclictest0-21swapper23:51:240
59209910647853470,53008cyclictest0-21swapper21:48:590
59209910647553440,53035cyclictest0-21swapper00:19:520
59209910647353474,52999cyclictest0-21swapper21:25:520
59209910647353474,52935cyclictest134850irq/9-eth021:33:340
59209910646953485,52984cyclictest0-21swapper00:11:500
59209910646353455,53008cyclictest0-21swapper19:58:270
59209910645653449,53007cyclictest0-21swapper23:16:040
59209910645553405,53050cyclictest0-21swapper23:28:270
59209910645253403,53049cyclictest0-21swapper21:15:490
59209910644253478,52964cyclictest0-21swapper00:35:070
59209910639753418,52979cyclictest0-21swapper22:22:280
59209910635853465,52893cyclictest0-21swapper19:40:320
59209910635853464,52894cyclictest0-21swapper20:31:260
59209910632353486,52746cyclictest0-21swapper20:58:240
59209910629853434,52864cyclictest0-21swapper23:01:200
59209910629453454,52774cyclictest0-21swapper20:52:430
59209910627353454,52819cyclictest0-21swapper20:12:310
59209910625953388,52805cyclictest0-21swapper21:09:170
59209910625753451,52806cyclictest0-21swapper19:51:250
59209910620453465,52739cyclictest0-21swapper23:07:110
59209910618153414,52767cyclictest0-21swapper21:53:400
59209910616353402,52761cyclictest0-21swapper21:20:100
59209910615353398,52755cyclictest0-21swapper21:03:460
59209910614553394,52751cyclictest0-21swapper19:39:310
59209910611853422,52696cyclictest0-21swapper20:24:440
59209910611353420,52693cyclictest0-21swapper00:29:550
59209910587553308,52553cyclictest0-21swapper23:36:100
59209910532253040,52282cyclictest0-21swapper23:32:290
592099540637,53931cyclictest28184-21ssh22:08:040
5920995396153457,408cyclictest2099-21runrttasks20:01:380
5920995382053420,309cyclictest0-21swapper00:31:560
5920995374053408,242cyclictest0-21swapper19:34:200
5920995326226,53236cyclictest0-21swapper20:25:550
5920995297452962,10cyclictest25390-21ssh22:50:470
5920995287926,52853cyclictest0-21swapper20:48:110
59209924661090,1223cyclictest20667-21diskmemload22:36:420
59209923531051,1176cyclictest7638-21ssh23:12:530
59209923051082,1170cyclictest20667-21diskmemload22:18:470
59209922721064,1157cyclictest23350-21ssh22:48:460
59209922691027,1118cyclictest2099-21runrttasks20:15:420
59209922601057,1181cyclictest9440-21ssh00:03:270
59209921671014,1032cyclictest134850irq/9-eth000:08:290
59209920901024,942cyclictest29038-21ssh23:45:020
59209920781028,1016cyclictest0-21swapper22:32:510
59209920631022,1006cyclictest0-21swapper22:29:400
59209920221034,867cyclictest0-21swapper19:29:590
59209920141031,888cyclictest0-21swapper20:36:380
59209919901033,863cyclictest0-21swapper19:23:470
59209919611078,819cyclictest134850irq/9-eth022:55:380
59209919131041,777cyclictest0-21swapper19:47:240
59209919071037,777cyclictest0-21swapper21:38:560
5920991113620,489cyclictest29368-21wc19:14:040
5920991060595,462cyclictest1907-21snmpd19:15:550
1591022020,1sleep015911-21hwlatdetect-tra19:08:420
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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