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2025-11-18 - 14:04
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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 Nov 18, 2025 00:44:51)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2985721550,0sleep129814-21sshd21:21:171
1126521460,4sleep11688499cyclictest21:28:401
2336421440,2sleep21688599cyclictest00:22:152
3268021340,2sleep10-21swapper/100:23:151
2560521290,1sleep125590-21sshd21:14:571
523121270,1sleep10-21swapper/100:33:331
1392921150,1sleep013922-21diskstats22:20:130
1804621070,5sleep11688499cyclictest23:28:151
665821040,1sleep30-21swapper/300:17:193
293412940,2sleep229340-21sshd22:21:352
293592930,2sleep21688599cyclictest22:45:552
88642920,2sleep31847-21nfsd00:14:183
195972920,2sleep20-21swapper/222:39:032
126262920,2sleep212612-21sshd00:27:452
314442910,2sleep30-21swapper/322:37:033
171632910,2sleep01688399cyclictest22:38:480
299562890,3sleep10-21swapper/121:39:261
299562890,3sleep10-21swapper/121:39:251
1636528927,40sleep10-21swapper/119:07:001
314122880,2sleep331399-21sshd22:34:033
20602880,3sleep31893-21nscd22:49:343
77722860,2sleep20-21swapper/221:10:042
251402860,1sleep00-21swapper/023:53:320
166622860,4sleep11688499cyclictest22:38:461
111202860,2sleep311119-21sshd23:58:243
262342850,4sleep31688699cyclictest23:47:253
223682850,0sleep00-21swapper/021:35:360
223682850,0sleep00-21swapper/021:35:360
1642528533,43sleep30-21swapper/319:07:433
272542840,0sleep00-21swapper/023:44:300
47912830,2sleep30-21swapper/321:43:043
47912830,2sleep30-21swapper/321:43:033
238262830,2sleep32405-21runrttasks22:02:553
145342830,5sleep10-21swapper/123:49:271
48812820,0sleep00-21swapper/000:10:270
255702820,2sleep225568-21bash23:56:382
105152820,1sleep20-21swapper/223:05:522
143972810,2sleep12405-21runrttasks22:26:151
19482800,3sleep31688699cyclictest21:45:453
64702790,2sleep10-21swapper/121:43:141
64702790,2sleep10-21swapper/121:43:141
28412790,1sleep02839-21bash21:15:440
36742780,1sleep03672-21bash00:17:000
291502760,1sleep30-21swapper/321:24:213
233722760,1sleep20-21swapper/222:42:232
249712750,2sleep324966-21sshd22:51:423
296232740,4sleep01688399cyclictest22:03:280
141462740,3sleep31688699cyclictest21:55:553
27102730,2sleep30-21swapper/321:15:433
207522720,1sleep01688399cyclictest23:22:210
207522720,1sleep01688399cyclictest23:22:210
301942710,0sleep330195-21sshd00:03:213
23672710,1sleep02366-21bash23:57:320
190982680,1sleep30-21swapper/300:08:423
1658926828,11sleep20-21swapper/219:09:332
289062620,3sleep328903-21sshd23:41:283
206192620,1sleep30-21swapper/300:38:243
1649725532,11sleep00-21swapper/019:08:240
101102520,1sleep30-21swapper/300:20:523
267992490,0sleep026795-21bash23:10:310
143202480,2sleep214311-21sshd00:34:302
291452470,0sleep129144-21bash22:21:341
183262380,3sleep01688399cyclictest21:53:230
7912350,2sleep10-21swapper/123:23:351
7912350,2sleep10-21swapper/123:23:351
233142350,2sleep123266-21sshd23:50:161
1688599340,17cyclictest10612-21sshd00:17:442
37212330,1sleep00-21swapper/000:20:170
1688599330,16cyclictest4339-21sshd22:01:022
1688599320,27cyclictest1847-21nfsd00:06:092
40062310,2sleep24001-21bash21:52:012
1688599311,25cyclictest1848-21nfsd22:11:582
1688599310,20cyclictest28290-21bash23:50:382
111792310,3sleep10-21swapper/121:31:361
18202300,4sleep31688699cyclictest23:23:413
18202300,4sleep31688699cyclictest23:23:413
1688599301,24cyclictest23271-21sshd22:05:492
1688599300,27cyclictest7343-21sshd00:10:432
1688599300,24cyclictest1959-21sshd23:14:062
1688599291,25cyclictest13452-21bash23:21:382
1688599291,25cyclictest13452-21bash23:21:382
1688599291,23cyclictest30486-21sshd23:47:512
44342280,2sleep21848-21nfsd22:16:142
294122280,2sleep229399-21sshd23:01:272
1688599281,24cyclictest1848-21nfsd00:02:122
1688599281,22cyclictest1848-21nfsd23:26:342
1688599280,25cyclictest1848-21nfsd22:26:482
1688599280,24cyclictest2036-21sshd00:36:262
1688599280,16cyclictest1847-21nfsd23:31:392
300612270,1sleep10-21swapper/121:48:271
1688599270,24cyclictest1845-21nfsd23:39:042
136312270,25sleep326950irq/26-ahci[00022:29:193
1688599268,7cyclictest1847-21nfsd22:52:522
1688599261,22cyclictest1847-21nfsd23:40:402
1688599261,21cyclictest11897-21sshd23:15:212
1688599260,22cyclictest31742-21sshd22:30:532
1688599260,21cyclictest135650irq/27-eth022:57:242
1688399260,10cyclictest1848-21nfsd23:19:250
4762250,0sleep00-21swapper/022:34:120
297142250,1sleep10-21swapper/123:07:471
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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