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2026-09-22 - 14:14
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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 Sep 22, 2026 12:44:55)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2100121650,1sleep21893799cyclictest10:49:102
2206321250,0sleep022050-21sshd11:18:370
898321240,2sleep32077-21nscd12:36:323
2237821240,1sleep20-21swapper/211:42:202
1933421210,1sleep019333-21sshd09:22:100
1510321160,2sleep315088-21sshd10:42:463
1975421040,1sleep08-21rcu_preempt11:45:070
2711221020,1sleep027093-21sshd09:28:480
18657210134,55sleep10-21swapper/107:09:451
1853529924,55sleep30-21swapper/307:08:273
86722960,1sleep00-21swapper/009:47:150
124572930,3sleep30-21swapper/310:19:123
6682920,3sleep20-21swapper/212:38:472
287712910,5sleep11893699cyclictest09:43:191
78652890,3sleep20-21swapper/209:12:422
300992890,1sleep30-21swapper/311:28:033
138062890,1sleep041ktimersoftd/010:25:110
9742880,1sleep00-21swapper/011:37:250
241252880,2sleep224126-21bash09:22:362
237172880,4sleep21893799cyclictest09:48:422
151522870,1sleep041ktimersoftd/009:44:590
30032860,3sleep30-21swapper/311:02:093
263252860,2sleep20-21swapper/211:01:162
147562860,2sleep114754-21bash10:42:441
323282850,1sleep30-21swapper/311:19:333
93552840,2sleep20-21swapper/209:30:102
214382840,1sleep30-21swapper/311:45:143
203972830,1sleep20-21swapper/210:19:562
194042830,0sleep119398-21sshd12:02:351
181982830,2sleep318195-21bash09:36:443
183322820,5sleep11893699cyclictest10:02:231
162252820,2sleep30-21swapper/310:39:573
111582810,2sleep30-21swapper/312:25:103
163302800,1sleep20-21swapper/210:30:582
161472790,2sleep316143-21sshd12:02:173
279542780,1sleep31893899cyclictest10:06:093
81542770,1sleep20-21swapper/209:38:432
250852760,0sleep00-21swapper/010:49:320
202482750,1sleep10-21swapper/112:23:041
199212750,1sleep119913-21sshd12:28:521
75992740,8sleep1144650irq/27-eth012:16:021
195342730,0sleep00-21swapper/009:59:420
170092730,2sleep117010-21bash09:45:081
8582720,1sleep3859-21sshd09:23:253
115522710,2sleep30-21swapper/312:16:243
80652660,2sleep11893699cyclictest11:58:341
1866125832,14sleep00-21swapper/007:09:480
99312570,1sleep11893699cyclictest10:33:301
48212550,1sleep10-21swapper/110:56:221
1840425432,9sleep20-21swapper/207:06:462
115112540,2sleep20-21swapper/210:39:272
320372500,0sleep332034-21bash10:23:463
317222500,1sleep131719-21sshd11:25:161
189302360,0sleep218929-21sshd12:02:332
80342350,1sleep00-21swapper/011:55:380
95312330,4sleep01893599cyclictest11:02:460
211482330,0sleep00-21swapper/011:24:190
181992330,31sleep3144650irq/27-eth011:24:023
274042312,27sleep1144650irq/27-eth009:34:461
63082302,26sleep2144650irq/27-eth012:10:102
18935993013,14cyclictest3-21ksoftirqd/011:43:150
319292290,3sleep12024-21nfsd11:19:311
284092290,26sleep1144650irq/27-eth009:20:121
254842290,3sleep10-21swapper/110:37:471
128692290,4sleep31893899cyclictest11:14:563
1893599289,11cyclictest3-21ksoftirqd/011:09:410
18935992813,13cyclictest3-21ksoftirqd/010:30:300
178552280,2sleep217854-21bash09:53:542
166592280,2sleep316646-21sshd09:45:053
18938992713,7cyclictest0-21swapper/309:56:043
112622270,4sleep21893799cyclictest12:28:052
239922260,2sleep20-21swapper/211:27:292
18937992619,4cyclictest6332-21id11:20:062
1893599261,7cyclictest0-21swapper/010:15:480
18935992612,12cyclictest3-21ksoftirqd/012:00:420
245782250,2sleep224574-21sshd09:28:332
200912250,2sleep30-21swapper/310:34:273
1893899250,4cyclictest25672-21cp12:14:533
18937992520,3cyclictest12772-21sshd12:22:232
1893599257,10cyclictest0-21swapper/010:51:010
18935992512,11cyclictest3-21ksoftirqd/010:06:070
1893599250,14cyclictest0-21swapper/012:23:170
18937992421,2cyclictest26522-21sshd09:43:072
18937992412,3cyclictest8071-21sshd11:14:302
1893699240,23cyclictest2024-21nfsd12:11:021
12122240,3sleep30-21swapper/309:12:083
111242240,1sleep011119-21sshd10:42:220
230282230,2sleep20-21swapper/210:02:492
230242230,2sleep10-21swapper/109:16:501
1893599238,2cyclictest3-21ksoftirqd/010:11:570
1893599238,2cyclictest3-21ksoftirqd/010:11:570
18935992312,9cyclictest3-21ksoftirqd/009:33:520
18935992312,7cyclictest3-21ksoftirqd/009:15:530
18938992215,4cyclictest6653-21sshd12:33:243
18938992213,2cyclictest144650irq/27-eth009:32:473
1893899220,17cyclictest2132-21sshd09:43:123
1893799229,1cyclictest30907-21bash11:07:472
1893799227,1cyclictest0-21swapper/211:57:152
1893799220,3cyclictest0-21swapper/211:33:302
18936992212,6cyclictest0-21swapper/111:33:581
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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