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2025-12-12 - 09:52
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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 Fri Dec 12, 2025 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2630021640,3sleep01262799cyclictest23:34:120
168221550,3sleep11262899cyclictest22:34:491
3004821500,0sleep00-21swapper/021:18:490
2964921370,2sleep30-21swapper/323:50:143
3002421210,2sleep20-21swapper/223:56:262
2822021200,1sleep11262899cyclictest23:18:301
1641321180,1sleep10-21swapper/123:55:131
178921170,0sleep21785-21rm23:22:152
97521160,1sleep21262999cyclictest23:03:042
2882321050,2sleep11262899cyclictest22:43:471
123452960,2sleep312344-21sshd00:23:573
67642950,2sleep30-21swapper/300:13:233
39832940,0sleep00-21swapper/022:38:090
1232329433,48sleep30-21swapper/319:09:233
84602930,10sleep1135650irq/27-eth021:51:041
1232129233,47sleep10-21swapper/119:09:211
305892910,1sleep330587-21sshd23:09:143
128012910,3sleep312787-21sshd23:35:553
57392900,4sleep31263099cyclictest00:03:373
311812890,3sleep10-21swapper/100:15:491
301562890,4sleep21262999cyclictest22:50:092
167612880,1sleep016764-21bash22:48:510
236852860,1sleep023681-21sshd22:58:530
294222850,1sleep20-21swapper/223:50:142
134532840,1sleep013452-21bash21:20:170
127462840,2sleep212743-21sshd22:07:162
93682830,2sleep10-21swapper/121:48:031
46772830,1sleep20-21swapper/223:13:022
127632830,2sleep30-21swapper/321:51:303
121522830,2sleep10-21swapper/123:51:361
50092800,2sleep25001-21sshd22:12:492
28352800,1sleep11848-21nfsd22:06:151
235642770,2sleep223550-21sshd21:58:542
175282770,2sleep01262799cyclictest22:17:120
220182760,1sleep30-21swapper/322:49:223
210552750,2sleep30-21swapper/321:20:563
87232740,0sleep00-21swapper/023:16:320
160672740,1sleep20-21swapper/221:51:492
310052700,0sleep230988-21sshd22:02:432
29352700,3sleep30-21swapper/322:56:473
160992690,1sleep20-21swapper/200:10:572
231302650,2sleep30-21swapper/321:11:543
118572650,1sleep30-21swapper/323:16:513
68042640,2sleep36802-21sshd22:25:413
69272630,1sleep06925-21sshd00:13:240
206072550,2sleep10-21swapper/122:36:331
16992530,51sleep1135650irq/27-eth000:00:071
1225825136,10sleep20-21swapper/219:08:332
34672500,2sleep13466-21bash23:00:061
24282500,4sleep11262899cyclictest21:10:001
43972490,0sleep00-21swapper/022:44:340
1215324436,4sleep00-21swapper/019:07:200
28932340,2sleep30-21swapper/323:47:383
12628993430,2cyclictest0-21swapper/100:35:521
31252320,4sleep10-21swapper/123:22:231
34002310,29sleep2135650irq/27-eth022:56:512
93092300,1sleep09297-21sshd21:44:580
93092300,1sleep09297-21sshd21:44:580
256672300,2sleep31848-21nfsd22:18:033
100822300,28sleep3135650irq/27-eth022:03:543
45512290,1sleep01848-21nfsd23:57:090
30612290,1sleep00-21swapper/022:50:310
265072290,0sleep326505-21bash22:40:203
1262899290,2cyclictest1846-21nfsd22:51:041
255222270,3sleep20-21swapper/222:18:022
282292260,2sleep228223-21cp23:43:522
266942260,1sleep10-21swapper/122:02:181
70962250,1sleep10-21swapper/100:13:251
252032250,2sleep225184-21sshd00:28:292
243212250,2sleep224323-21bash22:27:282
131922250,2sleep213191-21bash21:42:072
131922250,2sleep213191-21bash21:42:072
1262999259,7cyclictest10950irq/23-ehci_hcd22:23:342
12629992519,5cyclictest1927-21snmpd23:45:492
1262799250,21cyclictest0-21swapper/022:31:480
1262799250,18cyclictest1295-21bash00:35:530
257562240,2sleep21847-21nfsd23:27:452
1262799240,22cyclictest0-21swapper/022:13:570
233242230,1sleep023319-21sshd21:11:550
170652230,2sleep317060-21sshd21:48:493
12630992310,6cyclictest135650irq/27-eth000:06:433
1262799230,7cyclictest6248-21sshd23:51:020
1262799230,20cyclictest25601-21bash00:31:440
124112230,1sleep012404-21sshd23:13:480
80842220,2sleep30-21swapper/323:32:243
1263099229,2cyclictest4412-21sshd22:50:393
12630992212,5cyclictest25252-21sshd00:31:433
1262799220,21cyclictest15950-21bash23:39:300
1262799220,21cyclictest0-21swapper/000:07:170
57782212,17sleep1135650irq/27-eth023:13:101
51392210,3sleep25140-21sshd23:38:272
47782210,1sleep30-21swapper/300:16:273
30472210,2sleep30-21swapper/323:57:003
278052211,18sleep1135650irq/27-eth022:11:531
23092210,3sleep20-21swapper/200:06:202
164212210,1sleep30-21swapper/322:36:073
1263099216,3cyclictest30820-21sshd23:28:153
12630992116,3cyclictest10925-21sshd21:41:543
12630992116,3cyclictest10925-21sshd21:41:543
12630992113,4cyclictest15816-21sshd23:20:253
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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