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2026-04-13 - 09:41
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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 Apr 13, 2026 00:43:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
332599106735497,5162cyclictest12961-21kworker/0:200:22:150
33259997955172,4611cyclictest21387-21kworker/0:219:57:110
33259997715148,4611cyclictest12961-21kworker/0:200:36:270
33259997395143,4585cyclictest12961-21kworker/0:200:05:530
33259997365148,4577cyclictest25662-21kworker/0:121:27:200
33259996845121,4558cyclictest25662-21kworker/0:121:31:080
33259996404996,4633cyclictest32604-21kworker/0:221:43:200
33259996115082,4518cyclictest14457-21kworker/0:119:34:190
33259993334972,4358cyclictest14457-21kworker/0:119:15:540
33259992524720,4527cyclictest12961-21kworker/0:223:57:540
33259992374808,4417cyclictest14457-21kworker/0:119:20:060
33259992334567,4606cyclictest14457-21kworker/0:119:47:160
33259991874829,4299cyclictest23335-21kworker/0:123:39:050
33259991464667,4474cyclictest21387-21kworker/0:220:12:320
33259989024550,4348cyclictest23335-21kworker/0:122:53:250
33259988894538,4347cyclictest21387-21kworker/0:221:10:540
33259988874528,4355cyclictest23335-21kworker/0:122:28:510
33259988174680,4126cyclictest32604-21kworker/0:221:39:030
33259987394565,4169cyclictest21387-21kworker/0:220:43:240
33259986464302,4329cyclictest21387-21kworker/0:220:37:480
33259986264270,4304cyclictest21387-21kworker/0:220:02:550
33259986144404,4205cyclictest21387-21kworker/0:221:06:510
33259985554245,4258cyclictest21387-21kworker/0:220:26:080
33259982934392,3850cyclictest23335-21kworker/0:122:47:500
33259982604384,3862cyclictest23335-21kworker/0:122:43:520
33259980464275,3720cyclictest32604-21kworker/0:222:05:250
33259980044350,3603cyclictest32604-21kworker/0:221:45:580
33259980044297,3696cyclictest21387-21kworker/0:220:16:190
33259979894183,3796cyclictest23335-21kworker/0:122:24:510
33259979444312,3572cyclictest23335-21kworker/0:122:59:550
33259978904085,3791cyclictest32604-21kworker/0:222:00:390
33259977743874,3896cyclictest23335-21kworker/0:123:28:100
33259976254055,3519cyclictest21387-21kworker/0:221:17:240
33259976214080,3525cyclictest14457-21kworker/0:119:14:330
33259975883837,3691cyclictest21387-21kworker/0:220:49:410
33259975054100,3354cyclictest12961-21kworker/0:200:04:290
33259974683975,3441cyclictest23335-21kworker/0:123:34:450
33259974404061,3319cyclictest12961-21kworker/0:200:30:140
33259974303663,3724cyclictest21387-21kworker/0:221:01:180
33259974183943,3460cyclictest23335-21kworker/0:123:17:490
33259973673718,3634cyclictest14457-21kworker/0:119:43:550
33259973003588,3660cyclictest21387-21kworker/0:220:33:550
33259972713584,3626cyclictest21387-21kworker/0:220:53:310
33259972443868,3324cyclictest14457-21kworker/0:119:51:180
33259972283883,3334cyclictest21387-21kworker/0:220:08:330
33259971873942,3195cyclictest23335-21kworker/0:123:43:190
33259971763928,3188cyclictest21387-21kworker/0:220:57:200
33259970913835,3245cyclictest23335-21kworker/0:123:24:010
33259970673632,3393cyclictest12961-21kworker/0:200:26:170
33259970523712,3329cyclictest23335-21kworker/0:122:37:040
33259969243737,3182cyclictest21387-21kworker/0:221:23:230
33259968803400,3466cyclictest12961-21kworker/0:200:12:320
33259967723675,3085cyclictest23335-21kworker/0:123:53:330
33259967683550,3195cyclictest32604-21kworker/0:221:57:480
33259967383613,3074cyclictest23335-21kworker/0:123:08:190
33259967223587,3075cyclictest12961-21kworker/0:200:17:200
33259966713548,3088cyclictest23335-21kworker/0:123:13:080
33259966703528,3132cyclictest32604-21kworker/0:222:17:070
33259966443549,3027cyclictest32604-21kworker/0:222:11:430
33259966423601,3029cyclictest23335-21kworker/0:123:01:460
33259963963555,2799cyclictest14457-21kworker/0:119:29:090
33259963863557,2813cyclictest32604-21kworker/0:221:53:490
33259963343356,2967cyclictest23335-21kworker/0:123:45:120
33259963263349,2966cyclictest23335-21kworker/0:122:32:520
33259962703375,2844cyclictest21387-21kworker/0:220:22:200
33259954062892,2503cyclictest14457-21kworker/0:119:38:090
31872751186,203sleep00-21swapper19:09:280
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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