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2026-06-27 - 11:53
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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 100 highest latencies:
System rack6slot6 (updated Sat Jun 27, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
189909910719153423,53676cyclictest0-21swapper00:30:350
189909910713653429,53609cyclictest13445-21ssh21:23:410
189909910692053425,53398cyclictest15958-21ssh00:37:170
189909910686453411,53387cyclictest0-21swapper21:14:180
189909910666453411,53156cyclictest8027-21ssh00:25:240
189909910664753440,53140cyclictest0-21swapper22:02:520
189909910664453461,53119cyclictest9-1ksoftirqd/023:05:310
189909910660553473,53132cyclictest0-21swapper20:30:060
189909910655153409,53142cyclictest0-21swapper22:52:370
189909910651753406,53111cyclictest0-21swapper20:26:250
189909910650253468,53034cyclictest0-21swapper23:25:260
189909910649153462,53029cyclictest0-21swapper21:58:010
189909910648953424,53065cyclictest0-21swapper00:04:280
189909910648353460,53023cyclictest0-21swapper20:40:290
189909910646953444,53025cyclictest0-21swapper20:36:180
189909910645653448,53008cyclictest0-21swapper22:58:080
189909910644653450,52996cyclictest0-21swapper22:49:460
189909910644253441,53001cyclictest0-21swapper19:25:270
189909910628853462,52826cyclictest0-21swapper21:08:470
189909910627753399,52815cyclictest9-21ksoftirqd/019:58:270
189909910624253446,52796cyclictest0-21swapper23:32:080
189909910622853458,52770cyclictest0-21swapper19:30:290
189909910620853473,52735cyclictest0-21swapper19:51:250
189909910620253473,52729cyclictest0-21swapper20:48:210
189909910619453464,52730cyclictest0-21swapper20:21:430
189909910617953457,52722cyclictest0-21swapper21:02:450
189909910617653450,52726cyclictest0-21swapper19:36:200
189909910616153403,52758cyclictest0-21swapper20:18:020
189909910616053443,52717cyclictest0-21swapper19:23:060
189909910612253424,52698cyclictest0-21swapper00:15:410
189909910522153089,52132cyclictest0-21swapper21:51:390
189909910511853001,52115cyclictest0-21swapper22:18:070
18990995396953378,526cyclictest0-21swapper20:55:330
18990995388353444,439cyclictest0-21swapper22:31:310
18990995365826,53512cyclictest0-21swapper23:11:020
18990995365240,208cyclictest3272-21ssh22:44:040
18990995363327,53606cyclictest0-21swapper21:17:490
18990995359053439,151cyclictest0-21swapper20:09:500
18990995353953387,152cyclictest0-21swapper20:53:430
18990995347125,53446cyclictest0-21swapper22:07:040
18990995339628,53275cyclictest0-21swapper23:24:360
18990995328827,53261cyclictest0-21swapper23:38:000
18990995317453117,57cyclictest0-21swapper21:48:580
18990995315125,53126cyclictest0-21swapper19:40:310
18990995308125,53056cyclictest0-21swapper20:01:170
18990995304913,53033cyclictest24061-21taskset22:26:090
18990995304625,52929cyclictest9-21ksoftirqd/021:44:470
189909925372230,210cyclictest1741-21hald21:38:560
189909924791088,1263cyclictest15704-21ssh21:26:120
189909923461085,1138cyclictest26709-21ssh23:18:140
189909922361029,1082cyclictest21161-21runrttasks23:57:150
189909922341014,1096cyclictest12149-21ssh23:44:520
189909921881027,1126cyclictest0-21swapper23:48:530
189909921621043,1026cyclictest9-21ksoftirqd/021:32:340
189909920741032,1042cyclictest0-21swapper20:14:410
189909920651022,1008cyclictest0-21swapper23:54:350
189909920161034,859cyclictest0-21swapper22:11:450
189909919911034,865cyclictest0-21swapper22:20:070
189909919851022,926cyclictest5953-21ssh00:22:430
189909917411091,650cyclictest0-21swapper00:13:100
18990991633809,815cyclictest0-21swapper00:05:580
189909915051018,425cyclictest9-21ksoftirqd/019:47:030
189909915021012,423cyclictest0-21swapper22:38:430
189909914631095,368cyclictest0-21swapper23:00:090
18990991033598,431cyclictest30723-21hwlatdetect-tra19:13:140
18990991015590,421cyclictest24519-21hwlatdetect-tra19:15:040
888426712,12sleep028019-21hwlatdetect-tra19:09:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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