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2026-05-11 - 19:29
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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 highest latencies:
System rack6slot5.osadl.org (updated Mon May 11, 2026 12:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2466999103175177,5125cyclictest16087-21kworker/0:207:18:490
246699996785063,4604cyclictest20277-21kworker/0:108:48:410
246699992494763,4475cyclictest20277-21kworker/0:109:03:010
246699990514562,4478cyclictest23488-21kworker/0:210:58:400
246699989744611,4352cyclictest12234-21kworker/0:011:42:580
246699989404600,4329cyclictest1868-21kworker/0:112:36:110
246699988914459,4417cyclictest9519-21kworker/0:111:34:300
246699988164525,4276cyclictest3933-21kworker/0:011:25:280
246699987974535,4251cyclictest20277-21kworker/0:108:41:040
246699987814418,4347cyclictest2960-21kworker/0:010:18:090
246699981704397,3749cyclictest12743-21kworker/0:209:41:320
246699979603988,3958cyclictest7331-21kworker/0:009:19:410
246699976594033,3603cyclictest16087-21kworker/0:207:38:410
246699973963923,3457cyclictest30409-21kworker/0:211:16:220
246699973293861,3417cyclictest9250-21kworker/0:207:52:030
246699973263947,3319cyclictest18148-21kworker/0:010:47:240
246699973243850,3431cyclictest12743-21kworker/0:209:38:140
246699972274024,3188cyclictest9250-21kworker/0:208:05:260
246699972023839,3352cyclictest20277-21kworker/0:108:55:450
246699971953810,3371cyclictest9305-21kworker/0:110:29:180
246699971894030,3148cyclictest12234-21kworker/0:011:50:530
246699970463630,3401cyclictest20274-21kworker/0:111:57:210
246699967343573,3147cyclictest1868-21kworker/0:112:25:220
246699967233599,3113cyclictest20274-21kworker/0:112:08:180
246699966613535,3111cyclictest29681-21kworker/0:110:04:510
246699965943533,3050cyclictest20277-21kworker/0:108:23:320
246699965813468,3061cyclictest12743-21kworker/0:209:53:170
246699965603472,3073cyclictest20274-21kworker/0:112:14:440
246699964743346,3113cyclictest20277-21kworker/0:108:31:490
246699964493416,2982cyclictest16087-21kworker/0:207:14:130
246699964003401,2984cyclictest1868-21kworker/0:112:34:360
246699963783302,3053cyclictest20274-21kworker/0:112:17:010
246699962493203,3022cyclictest29681-21kworker/0:110:06:530
246699962083287,2907cyclictest12743-21kworker/0:209:27:140
246699961983303,2880cyclictest3933-21kworker/0:011:23:270
246699961183296,2811cyclictest27764-21kworker/0:111:07:170
246699960163333,2672cyclictest16087-21kworker/0:207:26:350
246699960033139,2853cyclictest16087-21kworker/0:207:20:140
246699959153151,2713cyclictest16087-21kworker/0:207:34:490
246699959013134,2707cyclictest12234-21kworker/0:011:49:170
246699956873035,2628cyclictest30409-21kworker/0:211:14:190
246699952102629,2565cyclictest15348-21kworker/0:110:39:150
246699950562664,2380cyclictest20277-21kworker/0:109:09:410
246699950462814,2181cyclictest20277-21kworker/0:108:39:290
246699941504056,45cyclictest20277-21kworker/0:108:54:090
246699923962337,46cyclictest12743-21kworker/0:209:55:180
242752811185,177sleep00-21swapper07:07:220
246699950855,439cyclictest27439-21ssh11:02:000
246699950855,439cyclictest24356-21ssh12:02:580
246699950754,439cyclictest12570-21ssh09:22:510
246699950554,437cyclictest8992-21ssh10:24:280
246699949853,431cyclictest18064-21ssh10:42:230
246699949258,372cyclictest13-21rcuc/008:15:170
246699945291,348cyclictest22795-21ssh10:52:270
246699944938,397cyclictest6791-21kworker/u2:009:46:220
246699943573,302cyclictest3886-21ssh10:13:020
24669994312,369cyclictest0-21swapper07:44:280
246699942955,359cyclictest133912sleep010:32:550
24669994214,356cyclictest0-21swapper08:27:060
246699941468,346cyclictest0-21swapper09:33:300
246699940955,340cyclictest1294-21ssh12:22:410
246699940955,340cyclictest12044-21ssh11:37:030
246699940955,339cyclictest7515-21ssh09:12:430
246699938355,268cyclictest7617-21sshd07:48:360
246699938235,347cyclictest0-21swapper08:14:550
246699922323,200cyclictest0-21swapper08:00:500
246699921223,189cyclictest0-21swapper07:56:360
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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