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2026-08-24 - 07:46
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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 Mon Aug 24, 2026 00:44:52)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3087221570,4sleep2425199cyclictest23:37:562
2474821450,0sleep024731-21sshd00:29:240
617221170,2sleep26170-21sshd23:52:552
1117121050,2sleep10-21swapper/121:31:061
3980210132,40sleep10-21swapper/119:09:511
3074321000,2sleep10-21swapper/100:27:001
383429733,43sleep30-21swapper/319:08:023
226672920,2sleep122661-21cp22:20:591
243852900,3sleep224387-21unixbench_multi22:15:232
196432900,2sleep119639-21sshd23:01:321
322372870,2sleep132233-21bash00:38:421
84382860,2sleep10-21swapper/100:22:071
62552860,0sleep26253-21bash23:09:102
261422860,2sleep226136-21sshd23:31:382
187972860,5sleep2425199cyclictest21:26:062
175402840,2sleep30-21swapper/321:43:023
29282830,2sleep10-21swapper/123:17:351
166982810,1sleep016599-21sshd23:12:560
13162810,2sleep20-21swapper/223:02:482
162032800,1sleep30-21swapper/322:58:203
118732800,2sleep111869-21sshd21:28:251
104902800,3sleep10-21swapper/122:40:121
39822790,0sleep03981-21seq00:33:160
3582790,1sleep3343-21sshd23:17:213
316332790,2sleep131619-21sshd23:55:141
30042790,3sleep20-21swapper/223:49:502
188702780,0sleep018861-21sshd23:45:230
309232770,0sleep041ktimersoftd/021:38:300
301822770,1sleep030177-21irqstats21:10:170
164632770,0sleep016445-21sshd00:05:230
212632760,2sleep10-21swapper/123:34:141
162202760,1sleep316217-21sshd21:54:283
111132760,2sleep111112-21bash23:50:251
57202740,1sleep30-21swapper/322:42:343
109002740,3sleep0424999cyclictest21:28:200
263427333,10sleep20-21swapper/219:05:152
89272720,2sleep20-21swapper/221:33:482
133062720,1sleep313305-21bash23:47:513
37362710,2sleep20-21swapper/221:44:422
273092710,1sleep20-21swapper/200:00:312
325362700,3sleep1425099cyclictest22:56:551
66732680,1sleep26670-21sshd00:13:232
108032670,1sleep30-21swapper/323:30:193
135632630,2sleep0424999cyclictest22:40:220
29172610,2sleep20-21swapper/200:33:102
385125931,4sleep00-21swapper/019:08:150
88262500,0sleep38828-21id00:16:243
201022390,3sleep20-21swapper/223:22:172
160562340,1sleep016045-21bash22:55:250
91752300,2sleep10-21swapper/121:11:141
315842300,3sleep231579-21sshd21:35:412
208712300,4sleep10-21swapper/100:11:371
143402290,1sleep014342-21bash23:21:430
15392280,26sleep1144650irq/27-eth022:25:101
15392280,26sleep1144650irq/27-eth022:25:091
211862270,25sleep3144650irq/27-eth022:06:163
194102270,3sleep20-21swapper/221:57:362
129332270,3sleep30-21swapper/323:53:323
69002250,23sleep2144650irq/27-eth021:16:412
58772250,2sleep10-21swapper/122:04:561
31152250,2sleep30-21swapper/300:33:113
276772250,2sleep20-21swapper/222:38:452
111792250,1sleep10-21swapper/121:19:561
12782240,1sleep01279-21bash21:16:100
52492230,3sleep15250-21bash22:39:431
425299238,7cyclictest0-21swapper/300:14:363
424999230,22cyclictest10527-21kworker/0:222:32:300
41742231,20sleep228950irq/26-ahci[00022:10:392
288162230,2sleep128817-21sshd22:12:551
130602230,1sleep00-21swapper/023:59:220
4252992212,9cyclictest0-21swapper/322:32:303
324072220,0sleep00-21swapper/021:30:130
284492220,3sleep228447-21sshd22:50:352
281262220,2sleep328127-21bash23:11:033
59332210,0sleep041ktimersoftd/023:26:590
275562210,2sleep32024-21nfsd21:35:213
253922210,3sleep1425099cyclictest21:23:571
240822210,5sleep30-21swapper/321:58:013
425299206,6cyclictest10469-21sshd23:44:463
4252992018,1cyclictest0-21swapper/320:04:253
425299200,15cyclictest4254-21sshd22:04:493
425299200,10cyclictest0-21swapper/321:49:413
425199203,10cyclictest21902-21sshd23:57:122
425199202,2cyclictest28950irq/26-ahci[00021:51:052
425199200,17cyclictest2023-21nfsd21:22:002
424999200,6cyclictest0-21swapper/023:37:420
424999200,18cyclictest0-21swapper/021:53:390
424999200,18cyclictest0-21swapper/000:01:150
424999200,14cyclictest0-21swapper/022:10:350
66872190,3sleep336-21rcuop/223:58:453
55342190,2sleep15532-21sshd23:35:381
425299197,4cyclictest24954-21sshd23:04:573
425199193,10cyclictest18812-21sshd23:10:162
425199192,15cyclictest20327-21sshd22:46:532
425099197,7cyclictest8813-21sshd00:19:211
424999198,6cyclictest7644-21sshd23:15:020
424999191,13cyclictest0-21swapper/022:35:360
4249991910,3cyclictest0-21swapper/019:20:100
424999190,6cyclictest0-21swapper/021:58:310
424999190,18cyclictest7777-21sshd21:42:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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