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2026-08-17 - 21:46
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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 Aug 17, 2026 12:44:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2013121300,1sleep10-21swapper/109:19:041
2139621240,1sleep021392-21sshd10:11:200
1622321150,2sleep316212-21sshd10:16:413
25682210332,41sleep30-21swapper/307:07:503
9772950,0sleep2968-21sshd11:46:102
257142940,2sleep225713-21sshd11:16:112
182012940,1sleep00-21swapper/012:16:500
35062900,3sleep13494-21sshd09:44:121
219992880,3sleep122000-21sshd12:11:261
47942850,1sleep10-21swapper/110:47:451
2577928332,47sleep10-21swapper/107:09:041
83942820,3sleep30-21swapper/310:33:403
274182820,1sleep227419-21id10:00:332
250192820,2sleep325022-21cpuspeed_turbos12:00:133
274062800,1sleep027404-21bash09:22:280
275252790,4sleep32613199cyclictest09:37:333
2569127932,11sleep20-21swapper/207:07:572
163872790,2sleep00-21swapper/010:28:310
85882770,1sleep00-21swapper/010:01:470
177962770,2sleep30-21swapper/309:15:573
149122770,0sleep041ktimersoftd/012:25:100
60262760,2sleep30-21swapper/311:34:523
202482760,2sleep220249-21sshd12:34:262
164082750,2sleep116404-21cp10:10:541
235092740,1sleep023514-21cpuspeed_turbos08:15:120
188092740,2sleep118792-21diskstats09:10:141
188092740,2sleep118792-21diskstats09:10:141
150672740,2sleep10-21swapper/112:02:151
187662730,2sleep10-21swapper/110:31:421
273662720,2sleep22613099cyclictest12:37:562
204322710,2sleep30-21swapper/309:21:513
58062700,2sleep25795-21sshd11:08:462
165362700,0sleep016528-21sshd10:19:390
260332690,4sleep12612999cyclictest12:26:041
169342690,3sleep22613099cyclictest10:43:092
241752680,3sleep02612899cyclictest12:23:060
304232650,1sleep00-21swapper/009:43:440
2563524235,4sleep00-21swapper/007:07:150
94342400,3sleep30-21swapper/312:21:443
62322350,3sleep30-21swapper/310:50:473
264482350,4sleep126447-21sshd10:44:001
98882310,2sleep20-21swapper/211:52:542
108652290,3sleep310855-21sshd10:07:393
89492280,0sleep18944-21sshd11:50:001
6342280,2sleep20-21swapper/210:30:102
26128992716,10cyclictest21720-21sshd09:30:480
210242270,3sleep30-21swapper/311:45:103
129492270,3sleep10-21swapper/109:47:491
315002260,2sleep331498-21bash12:15:123
246412260,2sleep30-21swapper/312:05:533
295202250,1sleep029502-21sshd09:46:230
2612899252,22cyclictest0-21swapper/010:33:370
145152250,3sleep10-21swapper/112:39:421
134982251,22sleep128950irq/26-ahci[00012:07:531
126332250,2sleep20-21swapper/212:10:332
90192240,2sleep29015-21sshd09:29:472
2612899242,21cyclictest7010-21sshd11:23:290
2612899242,21cyclictest13781-21sshd10:05:080
2612899240,23cyclictest1106-21sshd09:55:220
248522240,1sleep00-21swapper/011:13:170
181512240,1sleep30-21swapper/310:02:383
32682230,4sleep32613199cyclictest11:11:193
2612899232,2cyclictest25884-21sshd12:31:540
2612899232,18cyclictest6369-21cp11:58:340
2612899232,18cyclictest28317-21sshd11:36:510
2612899231,19cyclictest31722-21sshd10:56:180
2612899231,18cyclictest30208-21sshd12:06:240
2612899231,12cyclictest10-21rcuc/011:40:040
2612899230,12cyclictest0-21swapper/010:47:170
152852230,0sleep00-21swapper/011:03:320
318392220,2sleep231832-21sshd12:18:032
316242220,1sleep22512-21runrttasks07:20:182
291552220,2sleep30-21swapper/309:28:363
2612999228,6cyclictest31545-21sshd11:28:301
2612999228,3cyclictest0-21swapper/112:23:261
2612999221,7cyclictest0-21swapper/111:39:401
2612899227,12cyclictest0-21swapper/011:45:460
2612899227,11cyclictest19589-21sshd11:53:470
2612899227,10cyclictest25451-21sshd10:43:550
2612899223,13cyclictest30068-21sshd10:50:070
2612899221,16cyclictest25-21rcuop/111:30:060
2612899220,18cyclictest0-21swapper/010:38:090
2612899220,18cyclictest0-21swapper/010:22:280
2612899220,14cyclictest0-21swapper/012:00:140
255042220,2sleep10-21swapper/109:34:221
243522220,5sleep10-21swapper/109:54:391
302332210,2sleep30-21swapper/309:52:153
2612999217,5cyclictest31068-21sshd11:31:171
2612999213,14cyclictest22-21ksoftirqd/110:59:311
2612999213,11cyclictest22-21ksoftirqd/109:37:311
2612899217,10cyclictest7370-21id09:29:380
2612899213,14cyclictest8493-21grep09:50:190
26128992113,5cyclictest2132-21sshd12:35:350
2612899211,17cyclictest11932-21sshd11:15:010
2612899211,17cyclictest0-21swapper/011:09:160
2612899211,16cyclictest0-21swapper/011:29:160
97352200,18sleep1144650irq/27-eth011:55:431
292232202,16sleep1144650irq/27-eth009:57:521
2613099204,11cyclictest15333-21sshd10:08:032
26129992012,2cyclictest11314-21sshd11:09:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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