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2026-01-11 - 09:32
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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 Sun Jan 11, 2026 00:43:35)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1992699106225404,5214cyclictest999-21kworker/0:000:04:580
1992699104485313,5124cyclictest2888-21kworker/0:219:35:270
1992699103065340,4955cyclictest30703-21kworker/0:021:09:430
1992699101315156,4964cyclictest2888-21kworker/0:220:50:490
199269999135230,4672cyclictest24060-21kworker/0:022:22:300
199269998285188,4629cyclictest24060-21kworker/0:022:14:020
199269998275172,4644cyclictest8722-21kworker/0:121:33:580
199269997915169,4611cyclictest8722-21kworker/0:121:50:000
199269995545051,4492cyclictest2888-21kworker/0:220:31:430
199269992934834,4448cyclictest2888-21kworker/0:220:20:320
199269992184686,4521cyclictest405-21kworker/0:223:53:080
199269991544671,4479cyclictest405-21kworker/0:223:34:030
199269990714498,4550cyclictest8722-21kworker/0:121:29:300
199269990354707,4317cyclictest2888-21kworker/0:219:50:250
199269989774569,4397cyclictest2888-21kworker/0:220:39:200
199269989654568,4386cyclictest405-21kworker/0:223:41:420
199269989524665,4276cyclictest2888-21kworker/0:220:28:030
199269987644476,4284cyclictest2888-21kworker/0:220:43:160
199269987134646,4056cyclictest999-21kworker/0:000:24:420
199269985884375,4201cyclictest999-21kworker/0:000:28:440
199269985034229,4222cyclictest2888-21kworker/0:219:26:140
199269984974330,4156cyclictest8722-21kworker/0:121:38:140
199269984574463,3942cyclictest8722-21kworker/0:121:22:360
199269984274559,3817cyclictest10678-21kworker/0:222:48:360
199269984174291,4115cyclictest10678-21kworker/0:222:42:090
199269983754536,3796cyclictest999-21kworker/0:000:31:020
199269983454430,3900cyclictest10678-21kworker/0:222:56:160
199269983084450,3843cyclictest2888-21kworker/0:219:33:340
199269980194371,3597cyclictest24060-21kworker/0:022:08:460
199269979754244,3717cyclictest405-21kworker/0:223:47:470
199269979034286,3557cyclictest24060-21kworker/0:022:04:590
199269978234071,3737cyclictest30703-21kworker/0:021:15:340
199269977424214,3477cyclictest2888-21kworker/0:220:03:160
199269977044004,3657cyclictest30703-21kworker/0:021:11:550
199269976564170,3426cyclictest405-21kworker/0:223:28:260
199269975543818,3685cyclictest405-21kworker/0:223:36:220
199269975424118,3373cyclictest999-21kworker/0:000:18:470
199269974673674,3750cyclictest2888-21kworker/0:219:56:120
199269973753975,3389cyclictest2888-21kworker/0:219:46:400
199269973663728,3587cyclictest10678-21kworker/0:222:28:500
199269973473667,3669cyclictest405-21kworker/0:223:21:430
199269972313872,3343cyclictest29888-21kworker/0:123:04:260
199269971863875,3300cyclictest24060-21kworker/0:021:54:030
199269971823786,3392cyclictest999-21kworker/0:000:08:470
199269971533626,3476cyclictest2888-21kworker/0:219:44:460
199269971433902,3181cyclictest2888-21kworker/0:219:18:280
199269971373862,3271cyclictest999-21kworker/0:000:36:250
199269971243702,3362cyclictest2888-21kworker/0:220:45:220
199269971143749,3361cyclictest24060-21kworker/0:022:18:070
199269971143697,3367cyclictest2888-21kworker/0:221:00:290
199269971043739,3354cyclictest405-21kworker/0:223:57:210
199269970863784,3242cyclictest405-21kworker/0:223:16:280
199269970623820,3231cyclictest2888-21kworker/0:219:20:460
199269970213549,3412cyclictest10678-21kworker/0:222:52:210
199269970053792,3202cyclictest2888-21kworker/0:220:58:310
199269969953445,3499cyclictest2888-21kworker/0:220:18:390
199269969033692,3151cyclictest2888-21kworker/0:220:15:000
199269966753627,3037cyclictest405-21kworker/0:223:05:510
199269966403610,3020cyclictest24060-21kworker/0:021:58:220
199269964333454,2919cyclictest10678-21kworker/0:222:36:280
199269963993449,2899cyclictest405-21kworker/0:223:12:210
199269963793353,2982cyclictest2888-21kworker/0:219:14:490
199269963643355,2994cyclictest10678-21kworker/0:222:34:160
199269961723375,2786cyclictest2888-21kworker/0:220:09:020
199269960863228,2847cyclictest999-21kworker/0:000:12:490
199269960293262,2716cyclictest8722-21kworker/0:121:44:310
180812755184,178sleep00-21swapper19:05:080
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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