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2026-04-06 - 00:50
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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 Sun Apr 05, 2026 12:44:40)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
894121320,0sleep00-21swapper/009:14:040
1281121290,0sleep112814-21id11:27:591
1281121290,0sleep112814-21id11:27:591
321902990,2sleep20-21swapper/212:11:072
1241329633,50sleep10-21swapper/107:07:301
57152950,4sleep30-21swapper/309:13:433
24482950,1sleep20-21swapper/210:37:092
219672900,2sleep121956-21sshd10:25:101
299842890,2sleep30-21swapper/310:15:353
103872880,3sleep20-21swapper/209:17:352
214222860,5sleep00-21swapper/009:39:090
75972840,0sleep00-21swapper/009:17:170
1244528433,47sleep30-21swapper/307:07:563
10312830,2sleep20-21swapper/212:07:512
11702820,2sleep21169-21sshd09:13:142
75742810,1sleep10-21swapper/110:30:441
284472800,1sleep20-21swapper/209:26:132
317122790,1sleep10-21swapper/112:29:501
73472780,2sleep30-21swapper/311:06:213
114252780,1sleep10-21swapper/109:17:421
301962750,0sleep00-21swapper/009:29:550
162862750,2sleep20-21swapper/211:14:332
249952740,3sleep10-21swapper/112:35:551
287332700,1sleep01285499cyclictest10:51:270
247932690,1sleep024791-21sshd09:57:080
185312690,2sleep10-21swapper/109:52:241
257342670,4sleep31286899cyclictest11:29:293
257342670,4sleep31286899cyclictest11:29:293
165152650,1sleep216514-21bash12:24:302
77682620,3sleep21286399cyclictest11:31:002
30692620,4sleep21286399cyclictest10:33:502
41122610,3sleep31286899cyclictest11:41:313
1235925934,12sleep20-21swapper/207:06:522
275682580,1sleep127566-21sshd10:43:271
1245225732,13sleep00-21swapper/007:08:010
290172530,0sleep029013-21cp11:59:430
60322300,2sleep26027-21unixbench_multi12:30:232
238892300,28sleep1144650irq/27-eth009:46:081
14342300,2sleep20-21swapper/211:37:252
297382290,27sleep1144650irq/27-eth010:58:291
153802290,1sleep00-21swapper/012:05:480
113002272,23sleep1144650irq/27-eth012:20:011
186032262,22sleep1144650irq/27-eth012:13:321
53742250,0sleep00-21swapper/010:05:470
259882250,2sleep325980-21sshd11:22:283
43312240,21sleep3144650irq/27-eth011:30:383
303592240,2sleep10-21swapper/109:29:561
147882240,2sleep20-21swapper/211:03:472
135322240,0sleep113534-21id11:45:581
107812240,2sleep30-21swapper/312:38:013
271402230,3sleep327139-21bash09:36:163
77732220,5sleep30-21swapper/310:52:423
236272220,20sleep1144650irq/27-eth012:02:541
326032210,2sleep00-21swapper/011:12:460
12868992117,3cyclictest745-21sshd09:16:323
109452210,19sleep3144650irq/27-eth012:08:573
79312200,2sleep10-21swapper/111:03:011
66382200,2sleep20-21swapper/211:06:162
325462200,2sleep20-21swapper/211:48:192
312902200,18sleep1144650irq/27-eth009:43:361
217272200,1sleep10-21swapper/110:39:181
215222200,17sleep2144650irq/27-eth009:22:092
148672200,1sleep014858-21sshd12:16:500
1285499200,1cyclictest144650irq/27-eth011:40:360
1285499200,13cyclictest0-21swapper/010:56:150
71372190,3sleep01285499cyclictest11:27:210
71372190,3sleep01285499cyclictest11:27:210
231642190,3sleep21286399cyclictest10:57:462
170452190,17sleep3144650irq/27-eth011:14:383
1285499191,16cyclictest0-21swapper/010:32:460
1285499190,17cyclictest0-21swapper/012:31:520
23882180,3sleep20-21swapper/210:23:042
160162180,16sleep3144650irq/27-eth010:24:343
1286899180,16cyclictest0-21swapper/310:30:183
1285999188,5cyclictest2023-21nfsd12:30:251
1285499182,9cyclictest5643-21rm11:20:160
1285499180,17cyclictest0-21swapper/011:06:090
1285499180,14cyclictest30740-21sshd10:36:420
1285499180,13cyclictest0-21swapper/010:11:190
265372170,15sleep2144650irq/27-eth009:43:052
1286899170,5cyclictest144650irq/27-eth011:03:203
1286899170,4cyclictest3182-21sshd10:02:113
1286899170,16cyclictest12941-21sshd11:45:533
1286899170,15cyclictest0-21swapper/312:29:323
1286899170,15cyclictest0-21swapper/308:25:113
1286899170,13cyclictest25109-21sshd12:03:053
1286899170,13cyclictest0-21swapper/312:23:493
1286899170,12cyclictest27659-21sshd12:18:153
1286399170,15cyclictest0-21swapper/211:25:142
1286399170,15cyclictest0-21swapper/211:25:142
1285999178,4cyclictest28781-21sshd10:51:261
1285999172,14cyclictest144650irq/27-eth011:54:271
1285999171,14cyclictest13866-21cpuspeed_turbos10:10:121
1285999170,8cyclictest0-21swapper/110:03:371
1285999170,15cyclictest31421-21yum11:05:251
1285499178,5cyclictest0-21swapper/011:00:400
1285499178,4cyclictest0-21swapper/011:35:130
1285499172,4cyclictest4134-21sshd12:11:400
1285499172,1cyclictest0-21swapper/010:46:390
12854991713,3cyclictest3-21ksoftirqd/010:01:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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