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2026-06-18 - 17:33
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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 Jun 18, 2026 12:44:45)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2529921330,1sleep225282-21sshd12:32:092
1483829432,50sleep10-21swapper/107:05:151
93412920,4sleep00-21swapper/009:17:070
128262920,1sleep00-21swapper/010:13:170
114182870,4sleep31639699cyclictest09:13:573
89462850,1sleep28942-21sshd10:05:172
38582850,0sleep00-21swapper/009:05:000
34112830,2sleep33400-21sshd11:36:513
324532820,0sleep00-21swapper/012:25:140
1587428233,44sleep30-21swapper/307:06:523
77652800,2sleep30-21swapper/309:24:123
66842800,2sleep30-21swapper/311:30:063
53562800,1sleep00-21swapper/010:56:490
181602800,3sleep20-21swapper/210:18:242
253132790,2sleep10-21swapper/111:28:241
117012790,2sleep30-21swapper/310:13:083
66802780,3sleep21639599cyclictest12:14:462
157422780,2sleep315745-21latency_hist08:20:003
130372780,1sleep20-21swapper/211:34:262
39922770,2sleep10-21swapper/110:16:221
57122760,2sleep30-21swapper/310:49:553
57892750,1sleep20-21swapper/209:23:542
136022740,2sleep113597-21bash10:26:091
43842730,1sleep20-21swapper/212:06:412
137572730,1sleep013756-21sshd10:22:060
264422720,1sleep226443-21bash11:03:202
261342720,1sleep026132-21sshd11:24:500
57032700,1sleep02023-21nfsd12:14:390
71442690,1sleep07140-21sshd09:39:020
73912650,2sleep10-21swapper/111:41:061
117222650,2sleep10-21swapper/110:39:511
38032620,3sleep11639499cyclictest11:47:591
35672610,3sleep11639499cyclictest09:57:521
1600925731,23sleep00-21swapper/007:08:340
1587325633,10sleep20-21swapper/207:06:522
125702453,40sleep3144650irq/27-eth010:02:143
207182440,7sleep30-21swapper/309:40:233
188042350,33sleep3144650irq/27-eth009:55:573
115372350,2sleep10-21swapper/110:54:021
6202320,2sleep3621-21awk12:10:213
280302310,29sleep328950irq/26-ahci[00012:21:053
90572300,27sleep3144650irq/27-eth010:25:393
116772280,26sleep3144650irq/27-eth012:26:303
83112270,3sleep10-21swapper/112:14:561
176172270,1sleep00-21swapper/012:38:550
176172270,1sleep00-21swapper/012:38:550
6522240,22sleep3144650irq/27-eth010:35:133
232232240,0sleep00-21swapper/010:06:480
196722240,3sleep10-21swapper/111:20:221
146312240,1sleep114630-21bash09:39:521
36812230,21sleep328950irq/26-ahci[00009:05:003
306662230,2sleep20-21swapper/210:34:582
27892230,2sleep12776-21sshd12:29:351
228232230,21sleep1144650irq/27-eth011:39:151
179212230,2sleep20-21swapper/211:20:152
169492230,1sleep00-21swapper/010:02:440
114362230,2sleep20-21swapper/211:37:512
282822220,20sleep1144650irq/27-eth011:14:061
259422220,3sleep31639699cyclictest09:37:333
25002210,1sleep20-21swapper/210:53:032
195422210,19sleep1144650irq/27-eth012:01:111
188602210,2sleep30-21swapper/310:06:193
182232210,2sleep218222-21bash09:25:232
1639699211,14cyclictest0-21swapper/311:16:093
1639399210,20cyclictest0-21swapper/008:55:150
75792200,18sleep1144650irq/27-eth009:32:121
1639699208,3cyclictest0-21swapper/309:25:113
1639699202,2cyclictest9545-21bash11:01:283
1639699201,3cyclictest0-21swapper/312:17:023
1639699201,12cyclictest0-21swapper/310:15:473
1639699201,11cyclictest22461-21sshd10:30:313
1639399208,2cyclictest0-21swapper/011:45:230
16393992014,3cyclictest0-21swapper/009:53:160
16393992011,1cyclictest0-21swapper/009:56:220
1639399201,11cyclictest0-21swapper/009:33:490
1639399200,1cyclictest0-21swapper/011:43:130
1639399200,18cyclictest0-21swapper/012:31:420
1639399200,15cyclictest0-21swapper/009:43:480
1639399200,12cyclictest0-21swapper/011:35:260
263062190,2sleep20-21swapper/212:16:542
1639699197,4cyclictest3225-21sshd10:20:383
1639699191,10cyclictest0-21swapper/309:31:033
1639599192,12cyclictest6142-21sshd11:15:102
1639599190,13cyclictest422-21jbd2/dm-0-808:12:322
1639399199,2cyclictest15769-21id10:54:300
1639399198,4cyclictest3207-21sshd11:11:180
1639399198,4cyclictest0-21swapper/010:45:220
1639399191,1cyclictest0-21swapper/009:47:250
1639399190,4cyclictest0-21swapper/011:33:590
160042190,17sleep1144650irq/27-eth009:14:291
40942180,2sleep14093-21sshd12:33:231
226392180,16sleep2144650irq/27-eth010:40:532
1639699187,4cyclictest1515-21cpuspeed_turbos11:55:103
1639699187,2cyclictest0-21swapper/310:53:323
1639699182,0cyclictest0-21swapper/311:25:193
1639699181,3cyclictest21420-21sshd10:55:063
1639699181,15cyclictest0-21swapper/312:08:373
1639699181,13cyclictest144650irq/27-eth010:41:153
1639699181,11cyclictest2077-21nscd09:46:453
1639699181,10cyclictest0-21swapper/309:51:143
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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