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2025-07-01 - 00:22
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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, lowest P state: performance
Characteristics of the 100 highest latencies:
System rackcslot6.osadl.org (updated Mon Jun 30, 2025 12:46:41)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127450099370369,1cyclictest0-21swapper/707:21:027
127445299369368,1cyclictest0-21swapper/108:21:021
127445299369368,1cyclictest0-21swapper/108:21:021
127445299368367,1cyclictest0-21swapper/109:55:031
127450099366365,1cyclictest1380542-21kworker/7:011:55:027
127449299365363,1cyclictest289901-21kworker/6:008:26:036
127445299365364,1cyclictest1299333-21kworker/1:212:04:031
127445299365364,1cyclictest1262300-21kworker/1:007:48:021
127450099364363,1cyclictest0-21swapper/707:58:037
127450099363362,1cyclictest0-21swapper/708:35:017
127445299363362,1cyclictest1299333-21kworker/1:209:11:021
127450099362361,1cyclictest1380542-21kworker/7:012:23:037
127450099362361,1cyclictest1281299-21kworker/7:109:39:027
127450099362361,1cyclictest1281299-21kworker/7:108:40:027
127450099362361,1cyclictest0-21swapper/711:20:037
127450099362361,1cyclictest0-21swapper/711:20:037
127450099362360,1cyclictest1281299-21kworker/7:108:25:017
127445299362361,1cyclictest0-21swapper/111:33:031
127445299362361,1cyclictest0-21swapper/107:28:031
127450099361360,1cyclictest0-21swapper/712:12:037
127450099361360,1cyclictest0-21swapper/710:20:027
127450099361359,1cyclictest1281299-21kworker/7:109:01:027
127450099360359,1cyclictest0-21swapper/712:05:037
127450099360358,1cyclictest1380542-21kworker/7:010:16:027
127445299360359,1cyclictest0-21swapper/110:49:031
127450099359358,1cyclictest0-21swapper/711:45:037
127450099359358,1cyclictest0-21swapper/709:20:037
127450099359358,1cyclictest0-21swapper/709:14:037
127445299359358,1cyclictest0-21swapper/108:41:021
127450099358357,1cyclictest1380542-21kworker/7:011:13:037
127450099358357,1cyclictest1281299-21kworker/7:108:50:027
127450099358356,1cyclictest1281299-21kworker/7:107:44:037
127445299358357,1cyclictest1299333-21kworker/1:212:11:031
127445299358357,1cyclictest1299333-21kworker/1:210:55:031
127445299358357,1cyclictest1299333-21kworker/1:208:33:021
127450099357356,1cyclictest0-21swapper/711:02:037
127450099357356,1cyclictest0-21swapper/708:15:027
127445299356355,1cyclictest1299333-21kworker/1:209:54:031
127445299356355,1cyclictest1299333-21kworker/1:209:43:031
127445299356355,1cyclictest1262300-21kworker/1:007:52:031
127450099355354,1cyclictest1582078-21kworker/7:307:13:017
127450099355354,1cyclictest0-21swapper/707:47:027
127450099355353,1cyclictest1281299-21kworker/7:109:25:027
127445299355354,1cyclictest1262300-21kworker/1:007:20:021
127445299355354,1cyclictest0-21swapper/112:28:031
127445299355353,1cyclictest0-21swapper/112:30:031
127450099354353,1cyclictest1380542-21kworker/7:010:30:027
127450099354352,1cyclictest1281299-21kworker/7:108:48:037
127450099354352,1cyclictest1281299-21kworker/7:108:22:027
127450099354352,1cyclictest1281299-21kworker/7:108:22:027
127450099354352,1cyclictest0-21swapper/707:39:027
127445299354353,1cyclictest1299333-21kworker/1:208:55:021
127445299354353,1cyclictest0-21swapper/110:33:031
127445299354353,1cyclictest0-21swapper/109:22:031
127445299354353,1cyclictest0-21swapper/107:14:021
127445299354352,1cyclictest1299333-21kworker/1:208:46:031
127445299354352,1cyclictest0-21swapper/108:00:031
127450099353352,1cyclictest1380542-21kworker/7:011:40:037
127450099353352,1cyclictest1281299-21kworker/7:109:50:027
127450099353352,1cyclictest0-21swapper/710:11:037
127450099353352,1cyclictest0-21swapper/710:08:037
127450099353352,1cyclictest0-21swapper/709:46:037
127450099353352,1cyclictest0-21swapper/707:16:027
127450099353351,1cyclictest0-21swapper/708:03:027
127445299353352,1cyclictest1299333-21kworker/1:208:14:031
127445299353352,1cyclictest0-21swapper/112:36:031
127445299353352,1cyclictest0-21swapper/111:04:031
127445299353352,1cyclictest0-21swapper/109:37:031
127445299353351,1cyclictest1299333-21kworker/1:211:09:031
127445299353351,1cyclictest1299333-21kworker/1:210:28:031
127445299353351,1cyclictest0-21swapper/110:01:031
127450099352351,1cyclictest1380542-21kworker/7:010:58:027
127450099352351,1cyclictest0-21swapper/712:01:037
127450099352351,1cyclictest0-21swapper/709:30:027
127450099352351,1cyclictest0-21swapper/709:07:027
127450099352351,1cyclictest0-21swapper/708:09:027
127449299352351,1cyclictest289901-21kworker/6:007:50:036
127448499352350,1cyclictest1287309-21kworker/5:108:21:025
127448499352350,1cyclictest1287309-21kworker/5:108:21:025
127445299352351,1cyclictest1299333-21kworker/1:210:51:031
127445299352351,1cyclictest1262300-21kworker/1:007:42:031
127445299352351,1cyclictest0-21swapper/111:41:031
127445299352351,1cyclictest0-21swapper/110:35:031
127445299352351,1cyclictest0-21swapper/110:22:031
127445299352351,1cyclictest0-21swapper/109:29:031
127445299352351,1cyclictest0-21swapper/108:05:021
127445299352351,1cyclictest0-21swapper/107:35:021
127445299352350,1cyclictest1299333-21kworker/1:211:26:021
127445299352350,1cyclictest0-21swapper/111:53:031
127445299352350,1cyclictest0-21swapper/111:14:031
127450099351350,1cyclictest1380542-21kworker/7:010:44:027
127450099351350,1cyclictest0-21swapper/708:13:027
127445299351350,1cyclictest1299333-21kworker/1:212:07:031
127445299351350,1cyclictest1299333-21kworker/1:211:21:031
127445299351350,1cyclictest1299333-21kworker/1:211:21:031
127445299351350,1cyclictest1299333-21kworker/1:209:09:021
127445299351350,1cyclictest0-21swapper/112:18:021
127445299351350,1cyclictest0-21swapper/111:57:031
127445299351350,1cyclictest0-21swapper/108:38:031
127445299351349,2cyclictest1299333-21kworker/1:208:28:031
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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