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2026-08-02 - 10:12
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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 highest latencies:
System rack6slot6 (updated Sun Aug 02, 2026 00:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
305869910711553417,53631cyclictest0-21swapper21:02:340
305869910696353474,53423cyclictest134850irq/9-eth022:56:270
305869910680153446,53233cyclictest20914-21ssh22:04:110
305869910675753384,53284cyclictest3950irq/9-acpi22:17:450
305869910667353395,53212cyclictest0-21swapper21:57:400
305869910661753426,53191cyclictest0-21swapper23:36:380
305869910653653456,53080cyclictest0-21swapper23:33:570
305869910652053471,53049cyclictest0-21swapper23:47:410
305869910651453477,53037cyclictest0-21swapper22:46:140
305869910647753451,53026cyclictest0-21swapper22:07:220
305869910645353444,53009cyclictest0-21swapper22:22:570
305869910645353400,53053cyclictest0-21swapper00:37:160
305869910644553400,53045cyclictest0-21swapper00:23:020
305869910643253477,52955cyclictest0-21swapper20:26:130
305869910639353378,52952cyclictest9-21ksoftirqd/023:12:510
305869910637453382,52925cyclictest0-21swapper21:47:270
305869910631053399,52819cyclictest0-21swapper20:07:480
305869910629553404,52891cyclictest0-21swapper20:11:590
305869910624553396,52849cyclictest0-21swapper20:03:370
305869910621853472,52746cyclictest0-21swapper19:25:460
305869910619453459,52735cyclictest0-21swapper00:08:270
305869910608053061,53017cyclictest6334-21ssh22:30:090
305869910579652936,52858cyclictest7129-21sh23:17:430
305869910556153040,52519cyclictest32188-21ssh23:54:430
305869910514253044,52096cyclictest0-21swapper21:42:150
30586995360127,0cyclictest0-21swapper00:28:230
30586995348627,178cyclictest0-21swapper23:27:360
30586995348324,385cyclictest0-21swapper22:10:530
30586995338125,53356cyclictest0-21swapper21:12:470
30586995320627,53115cyclictest10-21rcuc/020:24:530
30586995315326,53127cyclictest0-21swapper20:38:070
30586995292025,52804cyclictest0-21swapper20:32:250
305869924381068,1244cyclictest2099-21runrttasks19:54:340
305869923521016,1210cyclictest15742-21diskmemload23:06:490
305869922981098,1102cyclictest21890-21ssh22:51:550
305869922151030,1140cyclictest9-21ksoftirqd/000:00:050
305869921641044,993cyclictest24323-21ssh23:42:400
305869921131039,1032cyclictest10957-21ssh23:23:340
305869921041099,879cyclictest16168-21ssh00:17:500
305869920861026,968cyclictest11960-21ssh22:37:410
305869920781015,1029cyclictest0-21swapper22:40:320
305869920561014,1005cyclictest12495-21ssh00:12:180
305869920181034,864cyclictest0-21swapper20:50:400
305869920101052,831cyclictest15742-21diskmemload00:31:540
305869920001038,868cyclictest0-21swapper23:04:390
305869919851030,863cyclictest0-21swapper21:21:290
305869919731025,855cyclictest0-21swapper20:48:100
305869919701102,868cyclictest0-21swapper20:42:180
305869919371035,809cyclictest0-21swapper19:19:340
305869919351016,826cyclictest16676-21kworker/u2:223:57:540
305869918731020,816cyclictest29470-21ssh21:29:520
305869917441092,652cyclictest0-21swapper21:50:580
30586991721969,735cyclictest15742-21diskmemload21:36:540
305869917181086,632cyclictest0-21swapper19:56:250
305869916991068,631cyclictest0-21swapper19:21:450
30586991681927,717cyclictest5844-21ssh22:29:190
305869916791097,582cyclictest0-21swapper19:43:510
30586991675996,613cyclictest9-21ksoftirqd/019:36:090
305869916331014,554cyclictest13563-21kworker/0:121:19:190
305869916091085,459cyclictest30580-21cyclictest20:18:410
305869916061064,542cyclictest0-21swapper19:34:080
305869916001096,414cyclictest9-21ksoftirqd/021:05:450
305869915391032,507cyclictest0-21swapper19:45:010
305869914531095,358cyclictest0-21swapper20:55:520
305869913861016,370cyclictest0-21swapper21:32:520
30586991081576,501cyclictest20371-21hwlatdetect-tra19:13:520
2443022210,2sleep024431-21hwlatdetect-tra19:05:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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