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2026-07-20 - 03:38
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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 Jul 20, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3076521090,0sleep030766-21sshd22:34:310
29224210933,55sleep30-21swapper/319:06:033
29441210034,37sleep10-21swapper/119:08:341
94072950,1sleep30-21swapper/321:56:343
174082920,0sleep017404-21sshd22:55:350
91732890,3sleep32981599cyclictest21:34:353
303362880,2sleep30-21swapper/322:41:383
285432850,1sleep010-21rcuc/023:07:520
28202850,2sleep12819-21bash00:18:061
221092840,2sleep30-21swapper/322:01:233
178592840,3sleep10-21swapper/123:20:471
179932820,2sleep30-21swapper/322:47:553
79552790,1sleep27956-21id22:54:352
274272790,4sleep22981499cyclictest23:21:572
87092780,2sleep10-21swapper/122:32:031
266272780,3sleep30-21swapper/323:44:063
127612780,2sleep00-21swapper/022:03:560
292192770,2sleep02981299cyclictest23:29:320
236892770,1sleep023675-21sshd22:15:430
72872750,2sleep20-21swapper/219:30:172
155672730,3sleep315563-21sshd00:27:103
150762720,2sleep30-21swapper/321:53:353
252882710,4sleep12981399cyclictest22:26:501
166162690,2sleep20-21swapper/221:35:182
20362680,2sleep22035-21sshd21:19:272
124112680,4sleep22981499cyclictest22:25:232
52762670,4sleep22981499cyclictest21:48:322
35612640,1sleep20-21swapper/221:27:002
159382640,4sleep32981599cyclictest23:06:273
106432620,4sleep12981399cyclictest23:09:301
178062590,0sleep017805-21bash00:01:020
2940825733,12sleep20-21swapper/219:08:102
2954425632,13sleep00-21swapper/019:09:530
226792440,1sleep20-21swapper/223:03:342
253342340,2sleep20-21swapper/221:50:442
290332334,27sleep3144650irq/27-eth000:24:593
290332334,27sleep3144650irq/27-eth000:24:593
97752310,2sleep12023-21nfsd23:01:561
153352310,29sleep1144650irq/27-eth000:08:421
116392300,28sleep3144650irq/27-eth021:41:563
190152280,0sleep00-21swapper/022:29:450
22042270,24sleep3144650irq/27-eth021:23:133
183942270,2sleep218391-21sshd00:27:332
154872270,25sleep1144650irq/27-eth023:53:511
70572250,3sleep22981499cyclictest23:05:262
326522250,2sleep132648-21rm21:59:091
190802250,23sleep3144650irq/27-eth022:11:313
112402250,23sleep1144650irq/27-eth021:53:041
2981599240,23cyclictest27240-21smartctl22:05:233
2981399240,3cyclictest11838-21bash23:16:391
241682241,21sleep3144650irq/27-eth023:54:493
75882230,0sleep00-21swapper/023:23:280
247242230,3sleep12981399cyclictest21:22:021
57832220,3sleep30-21swapper/323:15:573
220612222,18sleep1144650irq/27-eth000:01:361
219872220,20sleep3144650irq/27-eth022:56:073
306292210,19sleep1144650irq/27-eth023:11:361
187782210,3sleep10-21swapper/100:27:361
122222210,1sleep20-21swapper/200:00:242
2981599190,17cyclictest144650irq/27-eth022:35:333
2981399194,13cyclictest0-21swapper/123:36:391
29813991916,2cyclictest19255-21sshd21:32:071
238232190,1sleep20-21swapper/221:14:132
36162180,16sleep328950irq/26-ahci[00022:17:083
2981599182,14cyclictest0-21swapper/322:26:573
2981499181,15cyclictest0-21swapper/222:31:132
2981399188,5cyclictest31877-21bash22:38:061
2981399183,6cyclictest32254-21sshd23:59:101
165062180,2sleep30-21swapper/321:38:553
2981599179,3cyclictest0-21swapper/323:03:263
2981599173,12cyclictest20577-21sshd23:10:263
29815991714,2cyclictest28871-21sshd00:17:243
2981599170,8cyclictest9865-21sshd21:16:253
2981599170,13cyclictest0-21swapper/323:35:563
2981499171,14cyclictest0-21swapper/200:11:552
2981399176,6cyclictest30956-21sshd00:14:081
2981399172,14cyclictest13103-21sshd22:51:131
2981399170,12cyclictest16859-21sshd21:46:011
2981399170,11cyclictest17177-21sshd21:13:241
171352170,1sleep20-21swapper/200:16:032
10552170,15sleep1144650irq/27-eth022:49:561
2981599160,14cyclictest22458-21fschecks_count23:25:153
2981599160,14cyclictest0-21swapper/321:25:163
2981599160,11cyclictest0-21swapper/321:45:113
2981499167,8cyclictest0-21swapper/223:31:312
2981499162,13cyclictest2943-21sshd21:33:532
29814991612,3cyclictest2024-21nfsd20:57:292
2981499160,14cyclictest2024-21nfsd22:37:372
2981399163,7cyclictest144650irq/27-eth021:27:141
29813991612,3cyclictest28541-21sshd00:39:401
29813991612,3cyclictest25886-21munin-node20:10:201
2981399160,7cyclictest14297-21bash22:14:451
2981399160,4cyclictest8359-21sshd23:45:311
2981399160,3cyclictest0-21swapper/121:40:231
2981399160,14cyclictest8877-21bash22:21:101
2981399160,14cyclictest0-21swapper/121:35:001
29812991611,4cyclictest0-21swapper/021:12:160
2981299160,15cyclictest0-21swapper/022:23:100
252432160,14sleep3144650irq/27-eth000:32:053
188122160,6sleep30-21swapper/300:05:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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