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2026-08-11 - 18:30
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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 rack5slot0.osadl.org (updated Tue Aug 11, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2273121400,1sleep00-21swapper/010:28:300
1143721080,2sleep32140999cyclictest09:58:563
20930210732,45sleep30-21swapper/307:07:323
54372950,3sleep10-21swapper/112:16:131
54292940,5sleep20-21swapper/211:17:262
285292920,2sleep20-21swapper/212:32:572
233862910,1sleep20-21swapper/210:05:402
194662910,3sleep20-21swapper/210:40:192
120312880,2sleep212019-21sshd10:16:022
276912870,1sleep00-21swapper/010:08:590
84652850,4sleep22140899cyclictest12:10:362
2103228525,48sleep10-21swapper/107:08:341
15612840,1sleep12023-21nfsd10:56:261
137232840,2sleep30-21swapper/312:28:453
137232840,2sleep30-21swapper/312:28:453
70402830,2sleep30-21swapper/311:50:063
265342830,3sleep326531-21bash12:32:463
273892820,2sleep227379-21sshd09:43:042
253792820,2sleep325377-21bash09:42:533
305402800,3sleep10-21swapper/110:12:011
267872800,1sleep10-21swapper/112:06:261
74082790,2sleep22077-21nscd11:47:082
31572790,1sleep00-21swapper/012:19:030
312102790,2sleep131209-21sshd09:34:371
288732790,2sleep128862-21sshd12:00:501
211282780,4sleep32140999cyclictest09:36:363
188132780,3sleep30-21swapper/311:15:383
102582760,1sleep12140599cyclictest09:52:531
247402750,1sleep20-21swapper/209:34:022
66162740,0sleep06617-21bash12:10:260
246562740,0sleep324640-21sshd11:25:013
2094327432,12sleep20-21swapper/207:07:392
41942730,2sleep24186-21sshd12:16:052
246602730,7sleep30-21swapper/311:07:263
262962720,1sleep126285-21sshd09:45:431
24022710,1sleep30-21swapper/311:49:423
250492700,0sleep325041-21sshd12:18:073
44222660,2sleep10-21swapper/112:36:321
24102610,0sleep02409-21id10:32:430
2097625732,21sleep00-21swapper/007:08:050
102582360,3sleep20-21swapper/209:18:222
118992350,0sleep311898-21bash09:47:223
97752300,1sleep00-21swapper/011:29:510
90082290,4sleep09006-21sshd12:25:210
90082290,4sleep09006-21sshd12:25:210
299712290,2sleep12023-21nfsd09:40:221
297322280,25sleep3144650irq/27-eth010:09:113
59422270,2sleep35926-21sshd10:12:423
123212270,2sleep10-21swapper/111:12:051
219172260,2sleep32024-21nfsd10:31:263
134412260,3sleep32140999cyclictest10:57:353
114972250,2sleep20-21swapper/209:38:472
96832240,3sleep12140599cyclictest11:06:021
2140899245,10cyclictest24689-21sed12:35:252
242462230,0sleep124244-21sshd09:19:381
2140099231,18cyclictest11894-21sshd12:34:240
188622230,2sleep12512-21runrttasks10:49:111
43532220,2sleep30-21swapper/309:26:303
311762220,2sleep20-21swapper/210:20:352
29212220,4sleep32140999cyclictest11:29:143
2140899224,3cyclictest0-21swapper/212:22:532
2140099220,4cyclictest14417-21bash10:24:570
105792220,20sleep2144650irq/27-eth010:27:262
103802220,2sleep10-21swapper/109:24:111
313012210,3sleep20-21swapper/212:06:522
309642211,17sleep2144650irq/27-eth010:56:072
24292211,18sleep3144650irq/27-eth010:01:013
2140899216,3cyclictest18293-21bash11:00:492
2140899210,5cyclictest0-21swapper/210:12:292
2140099210,1cyclictest28797-21bash11:57:590
189652210,19sleep128950irq/26-ahci[00011:48:151
2140899203,3cyclictest0-21swapper/210:52:382
2140099207,7cyclictest0-21swapper/007:25:150
2140099200,4cyclictest28177-21sshd09:48:490
2140099200,19cyclictest0-21swapper/011:10:130
2140099200,15cyclictest0-21swapper/011:44:390
2140099200,14cyclictest36-21rcuop/212:22:140
2140099200,11cyclictest13031-21atenall_r5power11:15:110
9732190,2sleep2961-21sshd09:11:542
3762190,17sleep2144650irq/27-eth011:29:012
2140899197,8cyclictest33-21ksoftirqd/210:46:422
2140099197,7cyclictest0-21swapper/009:12:100
2140099197,4cyclictest20484-21sshd10:02:390
2140099197,11cyclictest0-21swapper/011:20:470
2140099197,11cyclictest0-21swapper/010:43:010
2140099191,9cyclictest0-21swapper/009:54:220
21400991914,4cyclictest0-21swapper/011:50:110
21400991914,4cyclictest0-21swapper/011:00:320
21400991914,4cyclictest0-21swapper/010:47:390
21400991913,4cyclictest2024-21nfsd10:13:230
2140099191,1cyclictest28950irq/26-ahci[00011:39:050
2140099191,1cyclictest144650irq/27-eth009:35:140
21400991910,3cyclictest2132-21sshd11:05:500
2140099190,9cyclictest28761-21sshd09:40:180
2140099190,1cyclictest2373-21bash10:59:310
2140099190,13cyclictest26287-21sshd12:03:350
2140099190,13cyclictest0-21swapper/010:50:120
168302190,1sleep116831-21sshd12:26:021
168302190,1sleep116831-21sshd12:26:011
163992190,17sleep3144650irq/27-eth009:18:573
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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