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2025-12-10 - 16:15
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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 10, 2025 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
436621100,1sleep04350-21sshd11:22:340
508021080,2sleep22587199cyclictest10:17:022
3266021080,2sleep02585699cyclictest11:58:130
73121030,2sleep12586399cyclictest12:05:391
2660621000,1sleep226609-21bash10:46:022
223292940,0sleep2311rcuc/211:13:372
157682940,0sleep20-21swapper/212:25:322
30762930,0sleep12586399cyclictest11:47:331
183942930,0sleep20-21swapper/211:49:182
20632920,0sleep20-21swapper/212:05:482
86412850,0sleep08642-21sshd10:09:550
104332750,0sleep10-21swapper/112:31:591
273682630,0sleep10-21swapper/110:00:281
87192620,0sleep30-21swapper/310:32:453
10212610,1sleep31009-21nfsd407:25:173
29552600,0sleep00-21swapper/009:27:590
29552600,0sleep00-21swapper/009:27:580
255942600,0sleep00-21swapper/011:10:190
289952590,0sleep30-21swapper/311:35:533
231142590,0sleep30-21swapper/311:42:353
76472580,2sleep12586399cyclictest11:59:021
209052580,0sleep20-21swapper/209:30:012
227212570,0sleep00-21swapper/010:00:030
43112560,0sleep10-21swapper/111:33:121
4342550,0sleep2436-21bash12:23:592
76862520,0sleep10-21swapper/111:04:191
300052520,0sleep10-21swapper/111:54:231
300052520,0sleep10-21swapper/111:54:221
34012500,0sleep20-21swapper/209:24:232
303722500,1sleep330367-21sshd11:25:213
289282500,0sleep028923-21lspci09:30:500
87962490,0sleep20-21swapper/210:36:382
194432490,1sleep219442-21bash09:14:272
120472460,0sleep20-21swapper/210:44:302
154372450,1sleep315435-21lspci09:55:213
263172410,2sleep12586399cyclictest12:05:001
2538924129,7sleep00-21swapper/007:05:370
227782410,0sleep20-21swapper/211:31:412
217212380,2sleep22587199cyclictest10:07:412
315652350,0sleep00-21swapper/011:43:360
136362350,0sleep20-21swapper/210:52:562
253962319,7sleep20-21swapper/207:05:432
2552522715,7sleep30-21swapper/307:07:193
68512230,0sleep10-21swapper/112:35:071
2544922210,7sleep10-21swapper/107:06:221
321292210,0sleep20-21swapper/210:12:352
287152190,1sleep128707-21bash11:28:461
98422180,0sleep19829-21sshd10:13:501
281742170,0sleep10-21swapper/111:14:161
66842160,1sleep148-21kauditd09:16:461
97792150,0sleep10-21swapper/112:14:161
31152150,0sleep00-21swapper/012:09:400
304642150,0sleep30-21swapper/309:11:323
298262150,0sleep00-21swapper/010:16:090
25877991513,1cyclictest16704-21lspci09:37:043
25856991513,1cyclictest28283-21lspci12:26:560
248272150,0sleep30-21swapper/309:34:113
227642150,0sleep10-21swapper/110:42:051
102762150,0sleep20-21swapper/209:25:082
102762150,0sleep20-21swapper/209:25:072
236912140,0sleep30-21swapper/310:11:353
185232140,0sleep10-21swapper/112:18:501
83602130,0sleep30-21swapper/309:43:353
2587199130,1cyclictest0-21swapper/209:18:582
2587199130,12cyclictest24259-21sshd11:39:082
190822130,0sleep019079-21sshd10:11:040
2587799129,1cyclictest6876-21lspci12:21:013
25877991211,0cyclictest0-21swapper/311:18:023
25877991210,1cyclictest6459-21sshd10:36:223
2587799120,1cyclictest29004-21lspci11:32:213
2587799120,11cyclictest24273-21bash11:13:513
2587199120,1cyclictest670-21packagekitd11:05:092
2587199120,1cyclictest23339-21bash09:37:482
2587199120,1cyclictest19293-21sshd11:42:092
25863991210,1cyclictest2513-21sshd10:32:011
2586399120,11cyclictest26152-21id11:06:331
2586399120,11cyclictest23415-21grepconf.sh10:49:521
2586399120,11cyclictest0-21swapper/111:22:021
2585699120,1cyclictest13275-21bash11:30:360
2585699120,11cyclictest2698-21grepconf.sh10:51:160
160792120,0sleep10-21swapper/109:33:081
124292120,0sleep00-21swapper/010:29:310
2587799119,1cyclictest618-13audispd11:56:083
2587799119,1cyclictest19148-21bash09:29:513
2587799119,1cyclictest19148-21bash09:29:503
25877991110,0cyclictest0-21swapper/311:22:113
25877991110,0cyclictest0-21swapper/310:25:423
25871991110,0cyclictest0-21swapper/212:16:592
25871991110,0cyclictest0-21swapper/209:09:382
2587199110,10cyclictest0-21swapper/212:37:282
2587199110,10cyclictest0-21swapper/212:01:192
2587199110,10cyclictest0-21swapper/211:58:182
2587199110,10cyclictest0-21swapper/209:43:082
2587199110,0cyclictest0-21swapper/210:22:592
25863991110,0cyclictest33050irq/27-ahci[00009:12:551
2586399110,10cyclictest0-21swapper/109:36:121
2586399110,10cyclictest0-21swapper/109:29:421
2586399110,10cyclictest0-21swapper/109:29:411
2586399110,0cyclictest0-21swapper/110:54:031
2585699110,10cyclictest0-21swapper/012:39:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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