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2025-12-16 - 17:11
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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 Tue Dec 16, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3009621090,0sleep00-21swapper/008:50:360
7092750,2sleep12052199cyclictest10:39:471
266012540,0sleep20-21swapper/210:04:122
266012540,0sleep20-21swapper/210:04:112
219772540,1sleep021974-21sshd12:28:590
126182540,0sleep00-21swapper/011:09:500
109052540,0sleep00-21swapper/012:30:570
156302530,0sleep00-21swapper/010:23:440
69592520,0sleep00-21swapper/012:24:480
77762510,0sleep00-21swapper/010:57:430
319832500,0sleep30-21swapper/309:41:503
317052500,0sleep20-21swapper/212:26:582
242172500,0sleep10-21swapper/110:00:061
242172500,0sleep10-21swapper/110:00:061
174832500,1sleep2321ktimersoftd/210:18:042
72522490,0sleep30-21swapper/312:36:233
116692490,0sleep30-21swapper/309:31:403
97972480,0sleep30-21swapper/309:27:283
271052480,0sleep30-21swapper/310:08:013
271052480,0sleep30-21swapper/310:08:013
258912480,0sleep10-21swapper/110:15:321
220382480,0sleep20-21swapper/211:07:432
190632480,1sleep319058-21lspci11:48:063
100242480,1sleep210022-21sshd10:20:222
326022470,1sleep3391rcuc/311:31:553
272802400,0sleep30-21swapper/309:48:593
2039523732,3sleep30-21swapper/307:09:483
31182320,0sleep23106-21sshd10:34:112
288302320,1sleep328826-21bash09:19:313
1863823010,6sleep20-21swapper/207:05:152
186312276,7sleep00-21swapper/007:05:100
1873622412,8sleep10-21swapper/107:06:311
33972180,0sleep00-21swapper/012:07:010
249632170,1sleep324959-21bash10:24:353
109442170,0sleep20-21swapper/211:24:092
179482160,1sleep20-21swapper/210:35:322
170552160,2sleep22052699cyclictest11:27:342
204762150,0sleep30-21swapper/312:11:333
68142140,0sleep00-21swapper/009:58:010
39532140,0sleep3391rcuc/311:35:083
272242140,0sleep00-21swapper/010:50:520
263252140,1sleep226311-21sshd11:31:232
241252140,2sleep2321ktimersoftd/211:45:402
20531991411,2cyclictest620-17auditd10:46:033
188312140,0sleep2311rcuc/211:01:432
177192140,0sleep10-21swapper/112:28:371
9992130,1sleep0642-21systemd-logind11:40:420
54402130,0sleep20-21swapper/211:58:292
43742130,1sleep24370-21sshd11:38:042
241732130,0sleep0111rcuc/010:27:210
20521991311,1cyclictest0-21swapper/109:24:511
2052199130,1cyclictest21744-21bash11:04:511
175152130,0sleep30-21swapper/311:01:363
153352130,0sleep20-21swapper/209:39:472
121362130,0sleep30-21swapper/311:12:373
108962130,1sleep210869-21sshd10:55:102
2053199120,1cyclictest16766-21sshd12:05:233
2053199120,1cyclictest16482-21sshd10:41:123
2052699120,1cyclictest7169-21sshd09:31:072
2052699120,11cyclictest5017-21lspci11:14:572
2052199120,11cyclictest30708-21sshd09:30:011
2052199120,11cyclictest2594-21sshd10:05:111
2052199120,11cyclictest2594-21sshd10:05:101
2052199120,11cyclictest0-21swapper/111:09:411
20516991210,1cyclictest2223-21lspci09:49:530
2051699120,11cyclictest18560-21lspci10:10:530
2051699120,11cyclictest0-21swapper/011:31:330
2051699120,11cyclictest0-21swapper/009:39:530
322112110,0sleep10-21swapper/110:22:171
2053199119,1cyclictest23607-21sshd10:36:033
2053199119,1cyclictest0-21swapper/312:34:433
20531991110,0cyclictest0-21swapper/312:00:133
20531991110,0cyclictest0-21swapper/309:36:223
2053199110,10cyclictest0-21swapper/309:56:233
2053199110,10cyclictest0-21swapper/309:11:123
2053199110,0cyclictest0-21swapper/312:25:033
20526991110,0cyclictest0-21swapper/211:54:372
20526991110,0cyclictest0-21swapper/209:45:372
20526991110,0cyclictest0-21swapper/209:25:572
2052699110,10cyclictest23423-21lspci09:40:472
2052699110,10cyclictest0-21swapper/212:24:162
2052699110,10cyclictest0-21swapper/209:50:462
2052699110,10cyclictest0-21swapper/208:05:172
2052199119,1cyclictest18799-21sshd12:34:311
2052199119,1cyclictest0-21swapper/111:24:301
2052199110,10cyclictest0-21swapper/112:04:311
2052199110,10cyclictest0-21swapper/111:54:311
2052199110,10cyclictest0-21swapper/111:29:411
2052199110,10cyclictest0-21swapper/108:49:011
2052199110,0cyclictest0-21swapper/111:19:411
2052199110,0cyclictest0-21swapper/108:59:211
2052199110,0cyclictest0-21swapper/108:43:511
2051699119,1cyclictest31684-21sshd11:46:230
2051699119,1cyclictest18411-21sshd12:17:030
20516991110,0cyclictest0-21swapper/011:11:120
20516991110,0cyclictest0-21swapper/011:01:130
20516991110,0cyclictest0-21swapper/009:29:320
2053199109,0cyclictest0-21swapper/311:50:133
2053199109,0cyclictest0-21swapper/311:20:333
2053199109,0cyclictest0-21swapper/308:45:223
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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