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2025-12-25 - 15:56
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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 792 highest latencies:
System rack6slot6 (updated Thu Dec 25, 2025 12:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
299709910682953403,53426cyclictest0-21swapper09:10:360
299709910679253413,53379cyclictest0-21swapper09:17:180
299709910667253388,53192cyclictest0-21swapper08:49:500
299709910661553449,53102cyclictest9-21ksoftirqd/011:47:210
299709910660553377,53164cyclictest3950irq/9-acpi10:18:260
299709910658653466,53120cyclictest0-21swapper08:18:310
299709910655853414,53144cyclictest0-21swapper10:49:450
299709910654653387,53094cyclictest0-21swapper11:22:340
299709910652953406,53031cyclictest0-21swapper11:31:370
299709910649553464,53031cyclictest0-21swapper07:27:160
299709910646953459,53010cyclictest0-21swapper09:47:170
299709910645653405,53051cyclictest0-21swapper12:16:400
299709910644953442,53007cyclictest0-21swapper07:30:470
299709910641553430,52985cyclictest0-21swapper11:37:380
299709910631753436,52881cyclictest0-21swapper09:31:220
299709910621053411,52799cyclictest0-21swapper12:23:320
299709910618753415,52772cyclictest0-21swapper09:01:540
299709910618553452,52733cyclictest0-21swapper08:57:420
299709910616653405,52761cyclictest0-21swapper07:57:150
299709910616153447,52714cyclictest0-21swapper07:10:320
299709910614153439,52702cyclictest0-21swapper08:02:160
299709910613153429,52702cyclictest0-21swapper07:24:460
299709910608652980,53104cyclictest0-21swapper09:07:350
299709910608353005,53076cyclictest0-21swapper11:29:260
299709910600652923,53081cyclictest0-21swapper12:14:090
299709910598752923,53062cyclictest0-21swapper08:31:350
299709910578752968,52817cyclictest12475-21ssh09:53:180
299709910532253004,52316cyclictest27019-21ssh11:50:120
299709910515253049,52098cyclictest0-21swapper08:23:430
299709910514153043,52093cyclictest0-21swapper10:07:120
299709910513753031,52104cyclictest0-21swapper10:59:270
299709910510953029,52079cyclictest0-21swapper08:08:580
299709910508653001,52083cyclictest0-21swapper08:29:240
299709910499352904,52087cyclictest0-21swapper08:41:080
29970995380426,0cyclictest14108-21ssh09:55:190
29970995362027,53499cyclictest0-21swapper11:55:140
29970995356224,463cyclictest0-21swapper12:27:430
29970995348327,0cyclictest0-21swapper12:07:270
29970995345425,0cyclictest134850irq/9-eth010:21:060
29970995344727,177cyclictest0-21swapper09:44:060
29970995342827,53401cyclictest0-21swapper10:36:110
29970995337526,53349cyclictest0-21swapper10:13:540
29970995307226,53046cyclictest0-21swapper07:54:440
29970995306027,53033cyclictest0-21swapper10:53:060
29970995299452971,21cyclictest0-21swapper10:33:300
299709924281052,1251cyclictest3872-21ssh10:27:580
299709923921050,1242cyclictest23872-21ssh09:22:190
29970992220999,1130cyclictest9-21ksoftirqd/008:35:460
299709921241065,964cyclictest3950irq/9-acpi10:00:400
299709921021039,1022cyclictest6172-21ssh11:19:130
299709920911026,1030cyclictest0-21swapper11:06:190
29970992012983,994cyclictest0-21swapper09:26:310
29970991998991,973cyclictest11857-21ssh10:40:120
29970991977979,962cyclictest27520-21ssh12:37:560
299709919541015,846cyclictest0-21swapper07:15:330
299709919071022,885cyclictest0-21swapper12:04:560
299709919061069,771cyclictest134850irq/9-eth009:36:540
299709919051034,778cyclictest0-21swapper07:47:220
299709918521094,748cyclictest3740-21kworker/0:007:38:190
299709916931100,593cyclictest0-21swapper08:51:000
299709916451089,556cyclictest0-21swapper07:44:210
299709916441052,503cyclictest29947-21cyclictest11:02:280
299709915691088,361cyclictest0-21swapper12:30:340
299709914591096,363cyclictest0-21swapper08:11:590
299709914591092,367cyclictest0-21swapper11:43:500
299709914531093,360cyclictest0-21swapper11:11:010
29081256271,207sleep00-21swapper07:05:490
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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