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2025-12-24 - 22:54
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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, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack2slot0.osadl.org (updated Wed Dec 24, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
61722920,0sleep00-21swapper/010:53:210
65402750,0sleep10-21swapper/111:07:001
310892740,0sleep20-21swapper/211:52:522
320862630,1sleep132074-21bash11:41:571
195462550,0sleep30-21swapper/310:46:153
118322540,1sleep2674-21dbus-daemon10:48:222
278272530,0sleep20-21swapper/210:41:312
99672520,0sleep00-21swapper/012:37:350
282392520,0sleep10-21swapper/112:03:371
207752520,0sleep30-21swapper/309:47:363
135112520,0sleep20-21swapper/212:21:272
324002500,1sleep2311rcuc/209:16:222
214902500,0sleep30-21swapper/310:11:523
177212500,0sleep20-21swapper/210:08:012
59072490,0sleep25898-21cp11:37:022
219052490,0sleep00-21swapper/009:58:060
89282480,0sleep00-21swapper/009:29:030
327252480,0sleep0111rcuc/011:39:190
139532480,0sleep30-21swapper/312:07:503
32492470,2sleep3935399cyclictest10:06:263
278572450,0sleep30-21swapper/309:51:493
94842400,0sleep00-21swapper/011:23:410
145672400,0sleep00-21swapper/011:51:260
898823210,7sleep30-21swapper/307:07:003
89022319,7sleep10-21swapper/107:05:541
90612287,7sleep20-21swapper/207:07:552
10522270,0sleep20-21swapper/212:36:492
137802220,0sleep30-21swapper/312:18:493
886922110,7sleep00-21swapper/007:05:290
83332190,1sleep18335-21bash10:37:081
145612180,2sleep3935399cyclictest11:15:513
9336991716,0cyclictest7307-21lspci10:17:170
44812170,0sleep20-21swapper/211:25:572
934699165,1cyclictest33-21ksoftirqd/211:58:082
9336991615,0cyclictest3811-21kworker/0:412:30:270
9336991614,1cyclictest15675-21kworker/0:410:46:360
934699156,3cyclictest33-21ksoftirqd/210:50:132
934699154,3cyclictest33-21ksoftirqd/211:32:162
934699150,1cyclictest19400-21lspci12:02:512
9336991515,0cyclictest22504-21kworker/0:011:12:460
82192150,1sleep28217-21lspci11:01:412
28192150,0sleep10-21swapper/111:14:581
118142150,1sleep0101ktimersoftd/011:26:350
113332150,0sleep011332-21grep07:15:010
934699145,3cyclictest33-21ksoftirqd/212:26:202
934699145,3cyclictest33-21ksoftirqd/211:10:182
934699143,3cyclictest33-21ksoftirqd/210:30:012
9340991413,0cyclictest5899-21kworker/1:110:23:591
9340991413,0cyclictest16181-21lspci09:33:171
9336991413,0cyclictest2922-21lspci12:15:100
9336991413,0cyclictest26086-21lspci09:37:470
9336991412,1cyclictest31651-21lspci09:41:490
68032140,0sleep00-21swapper/012:26:220
4262140,0sleep10-21swapper/111:50:151
263852140,1sleep1231rcuc/109:51:391
194562140,2sleep0933699cyclictest12:24:450
151322140,0sleep115126-21sshd11:26:521
934699136,1cyclictest33-21ksoftirqd/211:42:502
934699136,1cyclictest33-21ksoftirqd/210:17:132
934699136,1cyclictest33-21ksoftirqd/209:43:502
934699135,4cyclictest33-21ksoftirqd/210:11:472
934699134,3cyclictest649-21polkitd10:55:262
934699134,3cyclictest649-21polkitd10:55:262
934699134,2cyclictest33-21ksoftirqd/210:37:052
934699134,1cyclictest33-21ksoftirqd/212:06:052
934699134,1cyclictest33-21ksoftirqd/211:21:402
934699133,3cyclictest33-21ksoftirqd/209:55:432
934699133,1cyclictest33-21ksoftirqd/212:16:562
934699133,1cyclictest33-21ksoftirqd/210:26:292
934699132,3cyclictest33-21ksoftirqd/212:11:112
9340991312,0cyclictest18413-21kworker/1:112:09:441
9340991311,1cyclictest9467-21kworker/1:210:46:511
9340991311,1cyclictest11974-21kworker/1:412:36:131
9336991313,0cyclictest18675-21kworker/0:111:16:050
37862130,1sleep23788-21bash09:45:422
9353991210,1cyclictest0-21swapper/311:26:313
935399120,11cyclictest674-21dbus-daemon10:53:023
935399120,11cyclictest438-21sshd11:33:513
935399120,11cyclictest0-21swapper/309:41:513
934699124,3cyclictest649-21polkitd11:05:542
934699124,3cyclictest33-21ksoftirqd/209:50:062
934699123,3cyclictest33-21ksoftirqd/212:32:382
934699123,1cyclictest33-21ksoftirqd/211:16:242
934699122,1cyclictest33-21ksoftirqd/209:37:292
934699122,1cyclictest12776-21bash10:21:072
934699120,1cyclictest0-21swapper/211:46:042
9340991211,0cyclictest24537-21kworker/1:312:20:271
9340991210,1cyclictest5714-21lspci12:15:191
9340991210,1cyclictest4289-21kworker/1:011:48:551
934099120,1cyclictest26929-21lspci11:36:021
933699120,11cyclictest8994-21sshd10:00:120
933699120,11cyclictest642-21systemd-logind10:14:220
242172120,0sleep30-21swapper/310:35:433
935399119,1cyclictest0-21swapper/311:50:323
9353991110,0cyclictest6611-21lspci12:29:093
9353991110,0cyclictest0-21swapper/312:04:423
9353991110,0cyclictest0-21swapper/311:59:513
9353991110,0cyclictest0-21swapper/311:10:423
9353991110,0cyclictest0-21swapper/310:33:413
935399110,10cyclictest2936-21lspci12:20:313
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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