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2026-09-20 - 05:49
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Sun Sep 20, 2026 00:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
142599934843384,0cyclictest0-21swapper23:53:200
14259993452958,0cyclictest27973-21aten2.4-expect23:54:430
142599933913330,0cyclictest24788-21cat23:43:340
142599931083006,0cyclictest23208-1kworker/0:0H23:23:320
14259992621267,0cyclictest23208-1kworker/0:0H20:53:270
14259992543275,0cyclictest23208-1kworker/0:0H18:58:260
14259992407246,0cyclictest23208-1kworker/0:0H18:53:240
142599923602232,0cyclictest0-21swapper21:33:220
14259992290312,0cyclictest23208-1kworker/0:0H20:58:260
14259992254286,0cyclictest23208-1kworker/0:0H20:18:250
14259992187263,0cyclictest23208-1kworker/0:0H19:38:260
14259992173307,0cyclictest23208-1kworker/0:0H22:48:250
14259992153364,0cyclictest23208-1kworker/0:0H23:13:250
14259992131301,0cyclictest23208-1kworker/0:0H19:28:270
14259992105658,0cyclictest9-21ksoftirqd/021:18:260
14259992096299,0cyclictest23208-1kworker/0:0H22:33:250
14259991912222,0cyclictest23208-1kworker/0:0H19:53:270
14259991864361,0cyclictest23208-1kworker/0:0H18:53:210
14259991853289,0cyclictest23208-1kworker/0:0H21:58:250
14259991833347,0cyclictest23208-1kworker/0:0H21:08:290
14259991769236,0cyclictest23208-1kworker/0:0H22:08:250
14259991747269,0cyclictest23208-1kworker/0:0H00:13:240
14259991737239,0cyclictest23208-1kworker/0:0H22:18:260
14259991705216,0cyclictest23208-1kworker/0:0H21:33:250
14259991693250,0cyclictest23208-1kworker/0:0H23:33:250
14259991691772,0cyclictest23987-21latency_hist19:33:260
14259991690277,0cyclictest23208-1kworker/0:0H00:18:240
14259991686335,0cyclictest23208-1kworker/0:0H20:13:250
14259991672344,0cyclictest23208-1kworker/0:0H19:23:300
14259991671297,0cyclictest23208-1kworker/0:0H21:38:260
14259991665278,0cyclictest23208-1kworker/0:0H23:26:170
14259991657293,0cyclictest23208-1kworker/0:0H21:13:250
14259991644268,0cyclictest23208-1kworker/0:0H20:33:260
14259991627298,0cyclictest23208-1kworker/0:0H20:43:290
14259991623280,0cyclictest23208-1kworker/0:0H20:28:250
1425999161390,0cyclictest23208-1kworker/0:0H21:53:260
14259991604283,0cyclictest23208-1kworker/0:0H19:48:240
14259991600258,0cyclictest23208-1kworker/0:0H23:08:250
14259991576283,0cyclictest23208-1kworker/0:0H20:08:260
14259991572316,0cyclictest23208-1kworker/0:0H20:48:250
14259991570223,0cyclictest23208-1kworker/0:0H19:58:250
14259991563284,0cyclictest23208-1kworker/0:0H22:26:160
14259991556223,0cyclictest23208-1kworker/0:0H22:28:250
14259991538134,0cyclictest23208-1kworker/0:0H00:06:170
14259991526725,0cyclictest9455-21grep22:43:350
14259991525560,0cyclictest9-21ksoftirqd/023:46:170
14259991524261,0cyclictest23208-1kworker/0:0H20:38:250
14259991518293,0cyclictest23208-1kworker/0:0H19:18:250
14259991509226,0cyclictest23208-1kworker/0:0H22:38:250
14259991493736,0cyclictest26623-21mailstats19:43:360
14259991482169,0cyclictest23208-1kworker/0:0H20:23:370
14259991461277,0cyclictest23208-1kworker/0:0H19:06:160
14259991455123,0cyclictest23208-1kworker/0:0H00:08:280
14259991445623,0cyclictest1595-21jbd2/hda3-822:06:160
14259991444669,0cyclictest9-21ksoftirqd/020:06:160
14259991436625,0cyclictest9-21ksoftirqd/022:56:160
14259991432615,0cyclictest9-21ksoftirqd/023:06:170
14259991428323,0cyclictest23208-1kworker/0:0H21:46:160
14259991409315,0cyclictest23208-1kworker/0:0H22:16:160
14259991388295,0cyclictest23208-1kworker/0:0H22:58:280
14259991385281,0cyclictest23208-1kworker/0:0H21:06:160
14259991372385,0cyclictest23208-1kworker/0:0H19:08:290
14259991341258,0cyclictest23208-1kworker/0:0H19:26:160
14259991324347,0cyclictest23208-1kworker/0:0H21:26:180
14259991287193,0cyclictest23208-1kworker/0:0H23:28:260
1425999921301,0cyclictest23208-1kworker/0:0H21:49:410
1425999840376,0cyclictest9-21ksoftirqd/023:59:430
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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