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2026-03-18 - 15:16
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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 Wed Mar 18, 2026 12:46:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
288084499382380,1cyclictest3032100-21kworker/1:011:45:021
288084499381379,1cyclictest3032100-21kworker/1:012:07:021
288084499380378,1cyclictest3032100-21kworker/1:011:27:021
288084499380378,1cyclictest3032100-21kworker/1:011:27:021
288084499380378,1cyclictest2905576-21kworker/1:209:57:021
288084499380378,1cyclictest2905576-21kworker/1:209:57:021
288084499379378,1cyclictest2905576-21kworker/1:208:01:021
288084499378377,1cyclictest2905576-21kworker/1:209:37:021
288084499378376,1cyclictest3032100-21kworker/1:012:29:021
288084499378376,1cyclictest2905576-21kworker/1:209:21:021
288084499377375,1cyclictest2980958-21kworker/1:110:57:021
288084499376375,1cyclictest2905576-21kworker/1:209:53:021
288089099375374,1cyclictest0-21swapper/712:11:037
288089099375373,1cyclictest0-21swapper/711:11:027
288087799375374,1cyclictest3038117-21kworker/5:212:25:025
288084499375373,1cyclictest0-21swapper/111:23:021
288084499374372,1cyclictest2905576-21kworker/1:207:53:021
288084499374372,1cyclictest0-21swapper/110:39:021
288084499374372,1cyclictest0-21swapper/108:44:031
288084499373371,1cyclictest3032100-21kworker/1:011:33:021
288084499373371,1cyclictest2980958-21kworker/1:111:00:021
288084499373371,1cyclictest2905576-21kworker/1:208:45:031
288084499373371,1cyclictest2905576-21kworker/1:208:28:021
288084499373371,1cyclictest2905576-21kworker/1:208:17:021
288084499372371,1cyclictest0-21swapper/110:44:021
288084499372371,1cyclictest0-21swapper/109:26:021
288084499372371,1cyclictest0-21swapper/109:15:021
288084499372371,1cyclictest0-21swapper/107:10:021
288084499372370,1cyclictest2980958-21kworker/1:110:46:021
288084499372370,1cyclictest2905576-21kworker/1:208:08:021
288084499372370,1cyclictest0-21swapper/110:50:031
288084499372370,1cyclictest0-21swapper/110:17:021
288084499372370,1cyclictest0-21swapper/110:07:031
288084499372370,1cyclictest0-21swapper/109:31:021
288089099371370,1cyclictest0-21swapper/708:59:037
288084499371370,1cyclictest3032100-21kworker/1:011:36:021
288084499371370,1cyclictest2980958-21kworker/1:111:13:021
288084499371370,1cyclictest0-21swapper/111:53:021
288084499371369,1cyclictest3163698-21kworker/1:007:41:021
288084499371369,1cyclictest3032100-21kworker/1:012:33:021
288089099370369,1cyclictest0-21swapper/709:32:027
288084499370369,1cyclictest2905576-21kworker/1:207:58:021
288089099369367,1cyclictest2983738-21kworker/7:011:09:027
288084499369368,1cyclictest3032100-21kworker/1:012:20:021
288089099368367,1cyclictest0-21swapper/709:03:037
288089099368366,1cyclictest3050145-21kworker/7:111:55:027
288084499368367,1cyclictest2980958-21kworker/1:111:17:021
288084499368366,1cyclictest0-21swapper/111:59:021
288089099367366,1cyclictest0-21swapper/709:16:027
288089099367365,1cyclictest3180862-21kworker/7:108:05:037
288089099367363,1cyclictest2995729-21systemd-userwor10:18:027
288084499367366,1cyclictest2905576-21kworker/1:209:00:021
288084499367366,1cyclictest0-21swapper/110:20:021
288089099366365,1cyclictest0-21swapper/709:59:027
288089099366365,1cyclictest0-21swapper/709:59:027
288089099366364,1cyclictest3180862-21kworker/7:107:33:037
288089099366364,1cyclictest2983738-21kworker/7:011:39:027
288089099366364,1cyclictest2983738-21kworker/7:010:51:027
288087799366365,1cyclictest3019483-21kworker/5:111:01:025
288084499366365,1cyclictest3032100-21kworker/1:012:35:021
288084499366365,1cyclictest2905576-21kworker/1:210:02:021
288084499366364,1cyclictest0-21swapper/111:06:021
288089099365363,1cyclictest3180862-21kworker/7:108:13:037
288089099365363,1cyclictest2953879-21kworker/7:209:29:027
288089099365363,1cyclictest2953879-21kworker/7:209:23:027
288084499365364,1cyclictest3032100-21kworker/1:012:10:021
288084499365363,1cyclictest3032100-21kworker/1:011:44:021
288089099364362,1cyclictest3180862-21kworker/7:108:27:027
288089099364362,1cyclictest3180862-21kworker/7:107:27:027
288089099364362,1cyclictest3180862-21kworker/7:107:17:027
288089099364362,1cyclictest2983738-21kworker/7:011:43:027
288089099364362,1cyclictest2983738-21kworker/7:010:23:037
288089099364362,1cyclictest2953879-21kworker/7:209:47:027
288089099364362,1cyclictest2880732-21kworker/7:008:43:027
288084499364362,1cyclictest0-21swapper/112:16:021
288089099363361,1cyclictest3180862-21kworker/7:107:43:027
288089099363361,1cyclictest2983738-21kworker/7:012:23:027
288084499363362,1cyclictest2905576-21kworker/1:208:56:021
288084499363361,1cyclictest2905576-21kworker/1:208:32:021
288089099362360,1cyclictest3180862-21kworker/7:107:11:037
288089099362360,1cyclictest2983738-21kworker/7:010:31:037
288084499362360,1cyclictest2905576-21kworker/1:207:49:021
288089099361360,1cyclictest2929579-21kworker/7:208:31:037
288084499361360,1cyclictest2905576-21kworker/1:209:08:021
288084499361360,1cyclictest2905576-21kworker/1:208:36:021
288089099360359,1cyclictest2953879-21kworker/7:209:10:027
288087799360359,1cyclictest2920790-21kworker/5:010:28:025
288084499360359,1cyclictest2905576-21kworker/1:210:14:021
288089099359358,1cyclictest0-21swapper/707:55:027
288089099359357,1cyclictest2983738-21kworker/7:012:05:027
288089099358356,1cyclictest0-21swapper/710:01:027
288087799358357,1cyclictest3116838-21kworker/5:107:54:035
288089099357356,1cyclictest0-21swapper/710:40:027
288089099357355,1cyclictest0-21swapper/708:52:027
288089099356354,1cyclictest0-21swapper/710:11:037
288089099355354,1cyclictest3180862-21kworker/7:107:50:027
288089099355354,1cyclictest0-21swapper/708:24:037
288089099355354,1cyclictest0-21swapper/707:22:027
288089099355353,1cyclictest2983738-21kworker/7:011:15:027
288089099355353,1cyclictest0-21swapper/712:01:027
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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