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2025-12-07 - 17:32
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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 Sun Dec 07, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
219292990,1sleep22053099cyclictest12:30:552
157962980,2sleep32053799cyclictest10:44:103
74862830,0sleep07485-21grepconf.sh10:02:110
14142740,0sleep30-21swapper/311:57:123
226272700,0sleep10-21swapper/112:12:231
310842630,0sleep20-21swapper/211:23:462
239132620,0sleep20-21swapper/211:53:022
60722610,0sleep10-21swapper/111:31:271
118482610,0sleep211847-21sshd12:08:042
309602570,0sleep20-21swapper/212:00:152
315082560,0sleep30-21swapper/310:52:513
255822540,0sleep30-21swapper/312:19:103
273712520,0sleep10-21swapper/109:43:531
255952520,0sleep10-21swapper/109:25:581
78162510,1sleep20-21swapper/211:57:562
41562510,2sleep32053799cyclictest11:20:513
285482510,0sleep20-21swapper/211:06:242
270992510,0sleep20-21swapper/211:37:042
40712490,0sleep30-21swapper/311:34:413
32652490,0sleep10-21swapper/110:22:051
174872490,0sleep30-21swapper/309:32:063
279442480,1sleep227917-21sshd09:54:072
242672480,1sleep024270-21bash11:43:270
313362450,0sleep1241ktimersoftd/110:04:431
177102440,0sleep00-21swapper/011:32:420
205052400,1sleep09-21ksoftirqd/010:13:430
244102390,2sleep12052599cyclictest11:09:231
214142390,0sleep30-21swapper/310:17:153
284772380,0sleep10-21swapper/110:31:351
34592370,0sleep10-21swapper/112:35:151
121902340,0sleep10-21swapper/112:17:481
2031723110,7sleep10-21swapper/107:08:451
2008322615,7sleep00-21swapper/007:05:480
56342220,1sleep25630-21sshd10:39:422
2006122210,7sleep30-21swapper/307:05:313
1951222210,7sleep20-21swapper/207:05:182
34902190,0sleep30-21swapper/310:01:453
21792190,1sleep12151-21sshd12:26:051
20530991919,0cyclictest523-40kipmi011:25:242
194992180,2sleep02051999cyclictest10:27:140
88532170,0sleep00-21swapper/011:24:520
50902170,1sleep0111rcuc/009:48:240
184722160,0sleep30-21swapper/312:33:403
158632160,0sleep00-21swapper/009:59:460
314692150,0sleep00-21swapper/009:33:380
110362150,0sleep00-21swapper/011:58:170
2052599130,12cyclictest16653-21sshd09:35:301
2051999130,12cyclictest1034-21in:imjournal12:29:240
236812120,0sleep0111rcuc/012:31:050
2053799120,1cyclictest25450-21lspci12:22:173
2053799120,1cyclictest23532-21cp10:55:273
2053799120,11cyclictest0-21swapper/310:20:373
20530991210,1cyclictest32668-21lspci11:44:162
2053099120,1cyclictest7665-21bash09:13:352
20525991210,1cyclictest12650-21lspci09:52:301
20519991211,0cyclictest0-21swapper/011:08:050
20519991211,0cyclictest0-21swapper/009:18:140
20519991210,1cyclictest30342-21sshd10:42:140
2051999120,1cyclictest12743-21sshd11:45:240
2051999120,1cyclictest0-21swapper/011:02:540
76102110,2sleep22053099cyclictest11:17:502
73962110,0sleep00-21swapper/012:38:390
55522110,2sleep12052599cyclictest12:32:261
20537991110,0cyclictest0-21swapper/312:07:583
20537991110,0cyclictest0-21swapper/311:19:383
20537991110,0cyclictest0-21swapper/310:33:073
2053799110,10cyclictest0-21swapper/312:26:273
2053799110,10cyclictest0-21swapper/311:51:173
2053799110,10cyclictest0-21swapper/311:36:373
2053799110,0cyclictest28649-21sshd09:47:273
2053799110,0cyclictest0-21swapper/309:59:183
2053099119,1cyclictest33-21ksoftirqd/211:00:002
2053099119,1cyclictest33-21ksoftirqd/209:19:592
2053099119,1cyclictest27799-21sshd11:02:552
20530991111,0cyclictest523-40kipmi007:28:232
20530991110,0cyclictest0-21swapper/210:17:152
2053099110,10cyclictest0-21swapper/210:47:252
2053099110,0cyclictest0-21swapper/210:22:552
2053099110,0cyclictest0-21swapper/209:55:252
2053099110,0cyclictest0-21swapper/209:33:562
2052599119,1cyclictest5457-21sshd10:05:201
20525991110,0cyclictest0-21swapper/111:44:101
2052599110,10cyclictest11660-21sshd10:57:401
2052599110,10cyclictest0-21swapper/109:15:501
2052599110,10cyclictest0-21swapper/109:08:111
2051999119,1cyclictest5357-21sshd12:13:550
2051999116,4cyclictest11629-21kworker/0:209:22:280
20519991110,0cyclictest0-21swapper/010:34:140
20519991110,0cyclictest0-21swapper/009:05:140
2051999110,10cyclictest0-21swapper/008:32:130
2051999110,0cyclictest0-21swapper/010:21:440
198402110,1sleep0101ktimersoftd/010:51:360
2053799109,0cyclictest0-21swapper/311:05:473
2053799109,0cyclictest0-21swapper/310:26:173
2053799108,1cyclictest23807-21bash09:50:173
2053799100,0cyclictest0-21swapper/311:00:383
2053099109,0cyclictest0-21swapper/212:18:052
2053099109,0cyclictest0-21swapper/211:30:452
2053099109,0cyclictest0-21swapper/209:49:462
2053099108,1cyclictest33-21ksoftirqd/211:49:142
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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