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2025-12-26 - 20:04
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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 Fri Dec 26, 2025 12:43:30)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
40699910744653424,53926cyclictest1923-21ssh10:15:200
40699910707053448,53501cyclictest21252-21diskmemload10:07:470
40699910698553456,53432cyclictest23526-21ssh09:12:310
40699910695153415,53443cyclictest0-21swapper07:47:270
40699910675353452,53204cyclictest21252-21diskmemload11:52:170
40699910667553485,53099cyclictest0-21swapper09:46:310
40699910667453400,53274cyclictest0-21swapper07:57:100
40699910651953373,53081cyclictest0-21swapper08:12:240
40699910650053472,53028cyclictest0-21swapper11:47:460
40699910649453468,53026cyclictest0-21swapper10:21:110
40699910644353440,53003cyclictest0-21swapper11:36:030
40699910643953398,53041cyclictest0-21swapper11:16:270
40699910642353468,52955cyclictest0-21swapper07:30:320
40699910638953453,52936cyclictest0-21swapper07:14:070
40699910631953415,52904cyclictest0-21swapper08:33:300
40699910626653462,52804cyclictest0-21swapper08:00:110
40699910622653479,52747cyclictest0-21swapper09:42:200
40699910618253444,52738cyclictest0-21swapper07:29:020
40699910617253068,53102cyclictest0-21swapper12:11:430
40699910616353403,52760cyclictest0-21swapper08:27:390
40699910614153437,52704cyclictest0-21swapper11:05:440
40699910549053067,52415cyclictest25121-21taskset10:49:390
40699910524053053,52185cyclictest10179-21kworker/0:112:02:200
40699910506052947,52111cyclictest0-21swapper12:37:510
4069995327125,0cyclictest134850irq/9-eth009:53:330
4069995310627,53079cyclictest0-21swapper09:56:140
4069995308227,52965cyclictest4068-21cyclictest09:00:280
4069995302125,52904cyclictest0-21swapper11:58:390
4069995298227,52864cyclictest0-21swapper09:18:230
4069995293952916,21cyclictest0-21swapper10:35:050
4069995259226,52554cyclictest2699-21kworker/0:009:30:470
40699924991093,1281cyclictest21065-21ssh10:43:180
40699924031095,1241cyclictest3950irq/9-acpi10:54:110
40699923451022,1323cyclictest0-21swapper08:59:180
40699922901092,1074cyclictest26478-21ssh10:04:260
40699922811089,1068cyclictest15272-21ssh11:21:290
40699922161037,1144cyclictest0-21swapper09:29:560
40699921631042,1084cyclictest28709-21ssh11:40:540
40699921121019,997cyclictest20178-21ssh11:29:410
40699920991014,989cyclictest10963-21ssh10:28:430
40699920941039,1021cyclictest0-21swapper12:26:370
40699920911080,918cyclictest9-21ksoftirqd/011:13:360
40699920121003,921cyclictest3950irq/9-acpi12:19:150
40699919821030,859cyclictest0-21swapper08:37:510
40699919581029,908cyclictest0-21swapper10:59:120
40699919071037,778cyclictest0-21swapper08:21:570
40699919001032,774cyclictest0-21swapper07:39:250
40699918951031,770cyclictest0-21swapper12:23:160
40699918031050,628cyclictest21252-21diskmemload11:00:330
40699917871053,635cyclictest1907-21snmpd09:08:500
40699917591056,703cyclictest0-21swapper10:13:190
40699917301045,685cyclictest0-21swapper10:33:150
4069991708960,723cyclictest7435-21ssh09:35:280
40699916931074,529cyclictest4068-21cyclictest08:50:550
40699916741094,580cyclictest0-21swapper07:40:050
40699916701093,577cyclictest0-21swapper08:19:460
40699916661090,576cyclictest0-21swapper09:21:040
40699916641089,575cyclictest0-21swapper07:24:400
40699916601010,587cyclictest23074-21ssh11:33:320
40699916151088,436cyclictest9-21ksoftirqd/012:31:190
40699915841017,474cyclictest0-21swapper07:15:280
40699915231020,503cyclictest0-21swapper07:51:280
40699915001010,426cyclictest0-21swapper08:08:530
40699914801029,357cyclictest0-21swapper08:46:340
40699914431089,354cyclictest0-21swapper08:42:330
40699914291079,350cyclictest0-21swapper12:05:310
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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