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2026-08-12 - 20:44
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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 Wed Aug 12, 2026 12:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2462521320,0sleep00-21swapper/010:28:190
1189121250,1sleep344-21ksoftirqd/310:15:223
2913921100,0sleep00-21swapper/011:29:530
23800210433,42sleep30-21swapper/307:07:393
3000221010,2sleep229998-21sshd10:45:392
2386729632,43sleep10-21swapper/107:08:291
297532950,1sleep30-21swapper/310:08:333
263182920,2sleep10-21swapper/109:59:491
146392920,0sleep00-21swapper/010:12:510
293012900,1sleep029300-21bash10:22:490
173312900,2sleep017328-21sshd09:21:480
194382890,4sleep32425099cyclictest09:56:193
266722880,1sleep20-21swapper/210:11:012
260092880,3sleep10-21swapper/112:14:081
101222880,2sleep22512-21runrttasks12:06:512
21612860,0sleep00-21swapper/011:42:250
65542840,1sleep30-21swapper/312:00:393
121472840,2sleep212143-21sshd09:12:372
76712830,1sleep07662-21sshd10:32:270
254462820,3sleep20-21swapper/212:28:392
300912810,1sleep30-21swapper/309:45:373
75802790,2sleep20-21swapper/210:58:102
13242790,1sleep10-21swapper/110:43:151
21272780,3sleep32425099cyclictest12:29:323
236692770,2sleep30-21swapper/309:13:393
109872770,1sleep32024-21nfsd12:15:343
89822760,2sleep30-21swapper/310:32:343
56592750,2sleep10-21swapper/111:27:381
56492750,0sleep15651-21sshd12:26:451
318882750,1sleep30-21swapper/310:43:033
268852750,2sleep126884-21sshd09:51:041
198692750,1sleep20-21swapper/212:13:322
125672740,1sleep30-21swapper/312:24:353
125232740,3sleep02424199cyclictest11:37:200
97162730,0sleep00-21swapper/012:12:330
158642720,1sleep00-21swapper/012:33:380
49922710,1sleep10-21swapper/112:32:391
42102710,0sleep00-21swapper/009:51:590
243502690,1sleep30-21swapper/311:50:203
264682620,1sleep126469-21id10:56:561
2387125832,14sleep00-21swapper/007:08:330
2375325834,12sleep20-21swapper/207:07:142
225352493,43sleep2144650irq/27-eth009:30:542
183962370,3sleep20-21swapper/210:27:442
103632340,2sleep10-21swapper/110:15:161
46842301,27sleep2144650irq/27-eth011:24:362
141642290,27sleep2144650irq/27-eth011:46:322
8622280,2sleep10-21swapper/110:37:281
247272280,2sleep124724-21bash10:22:221
47172250,2sleep24715-21sshd10:09:122
128792250,2sleep20-21swapper/209:24:282
12282250,3sleep30-21swapper/311:09:403
85952240,1sleep10-21swapper/111:30:511
48372240,22sleep2144650irq/27-eth011:03:592
193662240,1sleep30-21swapper/312:33:573
106162240,1sleep010604-21sshd11:31:010
75202230,1sleep00-21swapper/010:06:340
6012230,20sleep3144650irq/27-eth011:30:133
320682230,2sleep10-21swapper/112:00:081
2424999236,4cyclictest7406-21sshd10:17:512
129552230,15sleep1144650irq/27-eth010:47:021
288282220,20sleep3144650irq/27-eth011:12:033
120472220,20sleep3144650irq/27-eth010:49:543
286172210,1sleep028615-21bash12:28:570
2425099217,0cyclictest0-21swapper/311:15:223
2425099215,1cyclictest15659-21sshd10:27:303
2425099211,7cyclictest0-21swapper/310:37:363
2425099210,8cyclictest0-21swapper/312:38:393
2425099210,8cyclictest0-21swapper/309:41:143
2425099210,7cyclictest0-21swapper/309:24:363
2424999214,9cyclictest10243-21bash10:01:092
233502210,2sleep123349-21bash10:30:551
227862210,2sleep122783-21sshd12:19:451
226142210,1sleep10-21swapper/110:28:071
64222200,3sleep32425099cyclictest09:37:593
50292200,0sleep00-21swapper/009:11:590
28872200,18sleep228950irq/26-ahci[00010:32:012
2425099201,2cyclictest5912-21sshd12:06:283
2425099201,2cyclictest28950irq/26-ahci[00012:10:143
2425099201,17cyclictest44-21ksoftirqd/310:23:513
2425099200,0cyclictest0-21swapper/310:57:493
2424199202,4cyclictest21514-21sshd11:05:390
2424199201,12cyclictest0-21swapper/012:05:450
2424199200,12cyclictest5427-21sshd11:18:340
157232200,2sleep20-21swapper/211:37:372
130172200,2sleep313019-21ntp_kernel_pll_11:25:193
2425099195,0cyclictest431ktimersoftd/311:56:033
2425099191,6cyclictest0-21swapper/311:04:513
24250991914,3cyclictest23493-21sshd11:41:203
2425099191,16cyclictest0-21swapper/311:47:533
2425099190,7cyclictest0-21swapper/309:18:033
2424999195,10cyclictest13392-21sshd09:52:512
2424999193,9cyclictest30682-21sshd12:34:592
2424999192,10cyclictest144650irq/27-eth012:04:232
24249991914,3cyclictest3748-21sshd11:54:292
2424999191,3cyclictest23120-21sshd11:14:252
2424199198,4cyclictest4083-21sshd09:40:320
2424199197,6cyclictest4416-21sshd10:57:520
2424199191,4cyclictest0-21swapper/011:45:490
24241991914,2cyclictest1751-21sshd12:35:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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