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2026-04-22 - 03:14
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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
Characteristics of the 376 highest latencies:
System rack6slot6 (updated Wed Apr 22, 2026 00:43:34)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
324999910674053429,53311cyclictest0-21swapper21:13:080
324999910671353417,53173cyclictest13898-21diskmemload23:28:570
324999910668653465,53098cyclictest12720-21ssh22:43:040
324999910668353433,53250cyclictest0-21swapper23:33:280
324999910666853477,53191cyclictest0-21swapper00:37:270
324999910664453389,53255cyclictest0-21swapper19:34:490
324999910661453384,53165cyclictest0-21swapper19:24:560
324999910660253478,53058cyclictest0-21swapper23:53:240
324999910658253388,53102cyclictest0-21swapper21:59:210
324999910656453421,53143cyclictest0-21swapper21:43:460
324999910655153456,53003cyclictest0-21swapper21:22:400
324999910654753414,53133cyclictest0-21swapper00:22:120
324999910654253409,53042cyclictest0-21swapper19:38:100
324999910650953473,53036cyclictest0-21swapper23:17:130
324999910647753457,53020cyclictest0-21swapper21:33:340
324999910647753412,53065cyclictest0-21swapper20:01:270
324999910646853454,53014cyclictest0-21swapper23:06:100
324999910646053406,53054cyclictest0-21swapper22:54:570
324999910644753401,53046cyclictest0-21swapper20:53:020
324999910641453451,52963cyclictest0-21swapper22:18:060
324999910641353430,52983cyclictest0-21swapper00:17:210
324999910640153425,52976cyclictest0-21swapper23:41:200
324999910633653452,52884cyclictest0-21swapper20:56:030
324999910631553444,52779cyclictest0-21swapper23:03:090
324999910631353442,52871cyclictest0-21swapper19:48:330
324999910627553423,52761cyclictest0-21swapper20:25:540
324999910622053472,52748cyclictest0-21swapper20:17:520
324999910617653454,52722cyclictest0-21swapper21:02:350
324999910615653396,52760cyclictest0-21swapper20:39:280
324999910613453432,52702cyclictest0-21swapper23:23:150
324999910590753028,52877cyclictest18713-21ssh00:27:140
324999910556552935,52624cyclictest8929-21ssh22:37:120
32499995384353383,460cyclictest0-21swapper00:11:290
32499995373924,53589cyclictest9-21ksoftirqd/022:21:370
32499995356027,53440cyclictest0-21swapper19:43:020
32499995349328,53371cyclictest0-21swapper00:31:250
32499995342327,130cyclictest0-21swapper20:48:310
32499995337126,53345cyclictest0-21swapper21:46:570
32499995324726,53128cyclictest0-21swapper20:40:380
32499995310627,53079cyclictest0-21swapper22:29:100
32499995306827,53041cyclictest0-21swapper22:55:070
32499995304226,53016cyclictest0-21swapper19:56:460
32499995293724,52913cyclictest0-21swapper20:24:140
324999922721015,1257cyclictest0-21swapper21:06:560
324999922711069,1081cyclictest0-21swapper22:32:000
324999922521086,1039cyclictest2277-21Xorg21:51:490
324999922311049,1136cyclictest134850irq/9-eth021:38:350
324999922271045,1116cyclictest3950irq/9-acpi00:08:080
324999922121027,1091cyclictest3950irq/9-acpi22:10:540
324999920681029,1002cyclictest18971-21ssh21:16:190
324999920621020,1008cyclictest0-21swapper21:26:520
324999920311005,993cyclictest0-21swapper23:48:320
32499992017981,1036cyclictest0-21swapper20:10:500
324999919011035,772cyclictest0-21swapper00:01:160
324999918601045,721cyclictest0-21swapper20:33:060
324999918151007,688cyclictest0-21swapper22:48:050
32499991808921,861cyclictest13196-21munin-node19:50:140
324999918021034,768cyclictest0-21swapper23:40:000
324999917931058,636cyclictest21445-21ssh22:08:240
324999917101019,568cyclictest17458-21ssh22:02:020
324999916901053,637cyclictest0-21swapper23:56:350
324999916401099,451cyclictest32489-21cyclictest23:13:120
324999916171095,522cyclictest0-21swapper19:27:070
324999915191051,468cyclictest0-21swapper20:08:590
32499991128615,510cyclictest8624-21hwlatdetect-tra19:10:420
32499991081593,485cyclictest27492-21grep19:19:050
1574426612,10sleep016024-21hwlatdetect-tra19:09:020
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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