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2026-07-16 - 18:59
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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 Thu Jul 16, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
984521380,0sleep39843-21sshd10:44:283
1874221220,1sleep20-21swapper/209:17:232
618821170,0sleep00-21swapper/007:40:130
177202980,2sleep10-21swapper/112:20:171
2373529532,50sleep10-21swapper/107:07:181
185022930,6sleep10-21swapper/110:24:311
107332890,0sleep00-21swapper/009:58:410
240562870,5sleep02421399cyclictest10:45:540
103862870,2sleep22024-21nfsd10:47:592
240902850,2sleep324089-21bash10:00:093
320132840,2sleep02421399cyclictest09:40:090
320132840,2sleep02421399cyclictest09:40:090
263692840,2sleep326372-21latency_hist11:50:003
290452830,4sleep32421699cyclictest09:53:433
197182830,1sleep20-21swapper/209:52:412
2377128233,45sleep30-21swapper/307:07:453
266562800,2sleep326654-21bash09:14:523
6372790,0sleep00-21swapper/010:01:020
55412780,3sleep30-21swapper/311:17:263
274862780,3sleep30-21swapper/311:45:563
221562780,2sleep10-21swapper/109:56:211
209112780,1sleep20-21swapper/211:34:012
60222760,1sleep30-21swapper/310:26:343
276132760,2sleep12023-21nfsd11:42:291
283642750,2sleep228362-21sshd10:35:542
184612750,1sleep20-21swapper/211:18:542
263802740,2sleep22024-21nfsd12:05:462
295022730,3sleep30-21swapper/312:21:463
175272730,2sleep30-21swapper/312:01:183
167462720,2sleep10-21swapper/111:48:461
167462720,2sleep10-21swapper/111:48:461
199892700,4sleep22421599cyclictest12:12:122
39162680,2sleep10-21swapper/110:01:261
244282650,3sleep12421499cyclictest11:23:181
2386426432,12sleep20-21swapper/207:08:562
231192620,4sleep32421699cyclictest09:39:013
103312610,2sleep10-21swapper/109:41:141
103312610,2sleep10-21swapper/109:41:141
2381325832,14sleep00-21swapper/007:08:180
71042500,0sleep17101-21rm10:37:091
179752300,2sleep20-21swapper/209:20:402
277252260,2sleep10-21swapper/109:35:291
136742260,0sleep00-21swapper/011:33:100
59402250,23sleep228950irq/26-ahci[00011:40:112
2421599255,9cyclictest15932-21sshd10:59:492
238802250,2sleep10-21swapper/112:16:471
68142240,2sleep10-21swapper/110:05:431
6762240,2sleep32512-21runrttasks11:05:413
2421599245,4cyclictest483-21sshd11:59:252
2421599244,4cyclictest25336-21sshd10:53:222
2421399240,23cyclictest0-21swapper/012:37:140
89402230,21sleep3144650irq/27-eth009:44:433
89402230,21sleep3144650irq/27-eth009:44:423
37812230,20sleep3144650irq/27-eth011:02:013
267862230,2sleep20-21swapper/211:54:162
267862230,2sleep20-21swapper/211:54:162
175892230,21sleep2144650irq/27-eth009:42:052
175892230,21sleep2144650irq/27-eth009:42:052
8212220,0sleep2813-21sshd09:47:122
76132220,3sleep30-21swapper/311:36:023
45722220,2sleep20-21swapper/209:26:092
26162220,1sleep00-21swapper/010:58:200
227212220,1sleep222722-21sshd10:03:512
136872220,0sleep00-21swapper/010:06:300
9492210,3sleep1948-21sshd12:29:421
37122210,1sleep30-21swapper/312:30:003
275782210,2sleep20-21swapper/211:12:172
249222210,4sleep12421499cyclictest09:49:531
2421399210,1cyclictest13553-21switchtime10:20:230
217782210,2sleep20-21swapper/211:08:042
170562210,18sleep1144650irq/27-eth010:31:121
36612200,3sleep30-21swapper/309:19:163
305412201,17sleep2144650irq/27-eth009:11:442
2421599206,4cyclictest29175-21sshd10:25:302
2421599203,4cyclictest0-21swapper/212:01:152
2421599203,3cyclictest18145-21sshd11:22:292
2421399209,6cyclictest0-21swapper/011:10:350
2421399201,13cyclictest0-21swapper/011:15:150
2421399200,9cyclictest0-21swapper/009:35:220
24215991911,4cyclictest3455-21sshd09:57:522
2421399198,10cyclictest0-21swapper/010:37:340
2421399197,11cyclictest31282-21rm10:32:480
2421399190,2cyclictest0-21swapper/011:46:080
2421399190,2cyclictest0-21swapper/011:46:080
2421399190,2cyclictest0-21swapper/009:45:160
2421399190,18cyclictest31083-21sshd09:15:150
215692190,17sleep2144650irq/27-eth010:42:122
152612190,17sleep3144650irq/27-eth011:56:593
111722190,2sleep111163-21sshd10:59:171
2421699180,6cyclictest0-21swapper/310:18:173
2421599186,10cyclictest3620-21sshd10:15:492
2421599185,3cyclictest0-21swapper/211:03:432
2421599180,16cyclictest2024-21nfsd11:28:332
2421499188,4cyclictest22185-21sshd11:38:021
24214991815,2cyclictest0-21swapper/110:29:381
2421399188,9cyclictest26071-21sshd12:25:150
2421399188,5cyclictest0-21swapper/009:26:320
2421399187,6cyclictest0-21swapper/010:44:500
2421399187,10cyclictest0-21swapper/010:18:230
2421399187,10cyclictest0-21swapper/009:50:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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