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2026-05-12 - 04:52
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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 Tue May 12, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
323409910722153461,53637cyclictest2099-21runrttasks21:40:320
323409910668353455,53137cyclictest9-21ksoftirqd/021:15:450
323409910667653420,53190cyclictest0-21swapper19:59:030
323409910666953418,53185cyclictest0-21swapper19:21:420
323409910664653422,53130cyclictest0-21swapper19:49:100
323409910663253429,53113cyclictest9-21ksoftirqd/021:55:560
323409910660853443,53070cyclictest2099-21runrttasks21:30:390
323409910650753476,53031cyclictest0-21swapper22:28:260
323409910650153468,53033cyclictest0-21swapper20:10:060
323409910646553417,53048cyclictest0-21swapper22:36:080
323409910645453405,53049cyclictest0-21swapper22:57:140
323409910644253439,53003cyclictest0-21swapper20:55:390
323409910643753395,53042cyclictest0-21swapper22:13:210
323409910643253433,52999cyclictest0-21swapper23:55:310
323409910642553431,52994cyclictest0-21swapper20:53:280
323409910642153472,52885cyclictest32329-21cyclictest20:49:270
323409910641953432,52987cyclictest0-21swapper00:32:410
323409910640753426,52981cyclictest0-21swapper00:38:430
323409910638853431,52861cyclictest29755-21runrttasks23:46:380
323409910629153414,52813cyclictest9-21ksoftirqd/021:48:040
323409910622653403,52823cyclictest0-21swapper19:12:490
323409910621953476,52743cyclictest0-21swapper19:54:110
323409910621553437,52778cyclictest0-21swapper21:10:030
323409910619853432,52766cyclictest0-21swapper19:42:480
323409910619753461,52736cyclictest0-21swapper20:43:450
323409910618553456,52729cyclictest0-21swapper20:39:140
323409910618153469,52712cyclictest0-21swapper21:06:320
323409910617953412,52767cyclictest0-21swapper20:05:040
323409910617753470,52707cyclictest0-21swapper19:32:350
323409910617753456,52721cyclictest0-21swapper21:03:510
323409910613453436,52698cyclictest0-21swapper22:22:440
323409910613353428,52705cyclictest0-21swapper22:43:500
323409910515553050,52100cyclictest0-21swapper22:02:580
32340995403753416,530cyclictest0-21swapper21:36:510
32340995386153422,439cyclictest0-21swapper23:41:170
32340995374653468,212cyclictest134850irq/9-eth021:24:370
32340995369822,243cyclictest24648-21kworker/u2:000:04:530
32340995347625,53451cyclictest0-21swapper20:20:190
32340995344724,53423cyclictest0-21swapper22:51:520
32340995343053324,106cyclictest0-21swapper23:33:240
32340995335522,0cyclictest0-21swapper19:28:540
32340995327526,53154cyclictest0-21swapper23:23:310
32340995321127,53064cyclictest0-21swapper19:19:210
32340995319226,390cyclictest0-21swapper19:35:360
32340995303527,52916cyclictest0-21swapper00:10:050
32340995298522,52963cyclictest0-21swapper00:28:200
32340995278626,52760cyclictest0-21swapper00:18:070
323409922621088,1108cyclictest10-21rcuc/022:15:420
323409921161079,911cyclictest32529-21ssh23:03:460
323409920951052,917cyclictest17391-21ssh23:29:130
323409920801058,895cyclictest22380-21ssh22:48:510
323409919931036,863cyclictest0-21swapper22:08:000
323409919901034,862cyclictest0-21swapper22:32:570
32340991953953,986cyclictest0-21swapper00:21:180
323409919461013,839cyclictest0-21swapper00:08:240
323409919191038,846cyclictest17584-21ssh21:54:160
323409919051017,796cyclictest3950irq/9-acpi23:06:260
323409918071064,648cyclictest0-21swapper20:04:540
323409917311010,630cyclictest32329-21cyclictest23:12:180
32340991706924,758cyclictest22644-21ssh23:35:550
323409916981084,518cyclictest32351-21ssh21:27:580
323409916661093,484cyclictest32329-21cyclictest20:15:570
323409916351059,484cyclictest9-21ksoftirqd/023:53:100
323409915431031,420cyclictest9-21ksoftirqd/020:28:010
323409915251019,414cyclictest9-21ksoftirqd/020:31:320
323409914971010,423cyclictest0-21swapper23:19:300
14508248550,207sleep00-21swapper19:05:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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