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2025-11-27 - 21:40
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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 Thu Nov 27, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
187869910709653439,53559cyclictest1911-21snmpd10:36:340
187869910705853397,53597cyclictest9-21ksoftirqd/008:46:420
187869910699853432,53468cyclictest2103-21runrttasks09:11:190
187869910670153451,53250cyclictest0-21swapper11:09:330
187869910669853398,53235cyclictest9-21ksoftirqd/008:20:350
187869910668053421,53259cyclictest0-21swapper08:19:140
187869910663853435,53139cyclictest9-21ksoftirqd/010:09:560
187869910656853412,53156cyclictest0-21swapper10:14:280
187869910653653395,53141cyclictest0-21swapper07:20:470
187869910651353434,53079cyclictest0-21swapper11:51:250
187869910648853395,53093cyclictest0-21swapper09:19:220
187869910648553469,53016cyclictest0-21swapper11:11:440
187869910647853458,53020cyclictest0-21swapper07:18:070
187869910646953398,53071cyclictest0-21swapper09:24:230
187869910646553458,53007cyclictest0-21swapper12:32:270
187869910644753406,53041cyclictest0-21swapper07:45:450
187869910644653446,53000cyclictest0-21swapper11:22:370
187869910641053385,52960cyclictest0-21swapper11:18:560
187869910635653404,52952cyclictest0-21swapper12:35:380
187869910633353410,52923cyclictest0-21swapper08:32:080
187869910627053394,52811cyclictest0-21swapper07:34:520
187869910620353411,52792cyclictest0-21swapper08:36:190
187869910617853454,52724cyclictest0-21swapper11:01:110
187869910617553412,52763cyclictest0-21swapper08:11:320
187869910617453468,52706cyclictest0-21swapper11:37:520
187869910615253444,52708cyclictest0-21swapper07:27:390
187869910602352948,53073cyclictest0-21swapper09:07:480
187869910600753326,52681cyclictest0-21swapper10:43:260
187869910592552968,52955cyclictest17893-21ssh11:40:520
187869910591653032,52882cyclictest18128-21ssh09:29:350
187869910515253041,52106cyclictest0-21swapper11:25:580
187869910513953056,52081cyclictest0-21swapper08:43:310
187869910506752960,52102cyclictest0-21swapper10:50:580
18786995316926,385cyclictest0-21swapper09:31:350
18786995315424,53130cyclictest0-21swapper08:59:060
18786995309111,1004cyclictest0-21swapper07:56:480
18786995276127,52734cyclictest0-21swapper09:35:360
187869924351064,1245cyclictest1911-21snmpd12:03:490
187869924241063,1235cyclictest0-21swapper10:00:030
187869923961052,1251cyclictest310-21jbd2/dm-0-808:25:060
187869922181074,1051cyclictest9-21ksoftirqd/009:41:580
187869921851029,1029cyclictest2249-21Xorg09:48:100
187869920531023,1010cyclictest0-21swapper10:30:220
18786992019976,1006cyclictest3660-21diskmemload11:32:500
18786992015987,1008cyclictest0-21swapper07:37:520
18786991995973,988cyclictest133750irq/9-eth010:45:360
187869919841094,890cyclictest0-21swapper12:16:530
187869919551041,815cyclictest22379-21ssh10:19:390
18786991942961,967cyclictest0-21swapper08:00:590
18786991914935,965cyclictest0-21swapper08:07:510
187869919081040,773cyclictest0-21swapper08:52:340
18786991794835,945cyclictest0-21swapper07:42:440
187869917841068,652cyclictest3950irq/9-acpi10:22:300
187869917191098,621cyclictest0-21swapper10:29:020
18786991709847,837cyclictest19864-21ssh12:28:360
187869916961094,602cyclictest0-21swapper09:02:070
187869916941092,602cyclictest0-21swapper07:52:470
18786991682935,723cyclictest19025-21ssh10:59:000
187869916491093,462cyclictest0-21swapper12:10:010
187869916411088,462cyclictest9-21ksoftirqd/012:10:410
187869916041046,558cyclictest0-21swapper07:14:360
187869915961043,553cyclictest0-21swapper11:47:140
18786991544758,776cyclictest0-21swapper12:24:150
187869914621094,368cyclictest0-21swapper09:51:410
187869914421093,349cyclictest0-21swapper09:56:220
187869913911059,332cyclictest0-21swapper11:56:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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