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2026-04-23 - 13:47
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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 Apr 23, 2026 00:44:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1699621420,3sleep22512-21runrttasks21:47:462
1155521250,2sleep10-21swapper/122:04:561
2765321200,2sleep22024-21nfsd22:49:462
2023321190,1sleep020228-21sshd22:12:360
2901529732,44sleep30-21swapper/319:09:013
224552950,1sleep022454-21sshd22:45:180
194032920,3sleep00-21swapper/000:17:360
106102920,2sleep30-21swapper/322:01:173
235422910,0sleep00-21swapper/022:16:290
53792880,2sleep22024-21nfsd21:53:392
23142870,3sleep02936999cyclictest22:28:590
298682860,1sleep30-21swapper/321:56:093
31922840,4sleep32937299cyclictest23:40:163
2901328427,45sleep10-21swapper/119:08:591
78732830,2sleep17874-21bash21:18:591
97472810,2sleep29746-21sshd22:29:582
233412800,5sleep10-21swapper/100:07:141
75152790,1sleep37512-21sshd23:37:123
214442780,1sleep00-21swapper/023:52:590
43632770,4sleep32937299cyclictest23:58:073
225222770,2sleep322523-21bash22:38:163
107782760,2sleep041ktimersoftd/022:01:180
159062750,0sleep00-21swapper/022:44:430
124452750,2sleep30-21swapper/323:30:383
10012720,1sleep20-21swapper/200:01:102
324682710,2sleep10-21swapper/121:11:181
243732710,2sleep30-21swapper/322:35:003
165822700,4sleep32937299cyclictest21:43:463
63632630,0sleep00-21swapper/020:40:150
146942590,4sleep12937099cyclictest21:47:291
2892325532,11sleep00-21swapper/019:07:500
2873125432,9sleep20-21swapper/219:05:232
95972490,1sleep10-21swapper/123:19:591
22292480,0sleep12230-21bash23:50:481
291712470,2sleep329167-21sshd00:11:373
209052320,4sleep10-21swapper/123:13:531
209052320,4sleep10-21swapper/123:13:521
324842260,2sleep232472-21sshd23:32:582
159462260,0sleep00-21swapper/019:50:150
83932250,2sleep20-21swapper/200:23:512
2937199254,11cyclictest11404-21sshd00:34:572
18592250,23sleep3144650irq/27-eth023:15:173
274772240,0sleep00-21swapper/023:14:360
274772240,0sleep00-21swapper/023:14:360
272202240,2sleep227215-21bash23:42:522
192992230,1sleep12937099cyclictest22:30:531
57032220,2sleep30-21swapper/300:30:323
316032220,2sleep10-21swapper/123:01:061
169642220,2sleep10-21swapper/100:39:371
166812220,2sleep316680-21bash00:39:353
163012220,3sleep30-21swapper/322:22:413
116252220,0sleep111620-21bash22:15:151
28132210,19sleep1144650irq/27-eth022:46:411
205642210,2sleep120561-21sshd22:38:031
43172200,18sleep3144650irq/27-eth021:53:333
306302200,2sleep32023-21nfsd23:01:013
2937099204,14cyclictest11142-21sshd21:26:001
274862200,1sleep041ktimersoftd/022:57:160
149932202,16sleep2144650irq/27-eth023:02:522
2937199196,11cyclictest17439-21sshd21:20:012
254592190,17sleep2144650irq/27-eth023:07:262
109052190,17sleep3144650irq/27-eth022:51:313
2937199188,3cyclictest0-21swapper/200:26:402
2937099180,13cyclictest21206-21nscd22:25:581
2936999180,2cyclictest0-21swapper/022:06:550
2936999180,17cyclictest0-21swapper/023:35:030
232482181,15sleep128950irq/26-ahci[00021:30:391
143902180,2sleep22023-21nfsd23:13:102
143902180,2sleep22023-21nfsd23:13:092
101912180,16sleep228950irq/26-ahci[00022:11:322
296602170,15sleep1144650irq/27-eth022:42:401
2937199177,4cyclictest0-21swapper/223:45:412
2937199176,6cyclictest24767-21bash23:25:052
2937199172,6cyclictest7558-21cp23:55:002
29371991713,3cyclictest25-21rcuop/122:53:592
29371991712,4cyclictest30776-21sshd21:28:082
29370991714,2cyclictest22347-21bash00:21:361
286292171,14sleep1144650irq/27-eth022:53:511
232462170,1sleep08-21rcu_preempt00:29:060
218232170,0sleep00-21swapper/023:28:100
174002170,15sleep1144650irq/27-eth023:45:161
56342160,3sleep30-21swapper/300:16:033
2937299167,8cyclictest0-21swapper/322:28:553
2937299161,4cyclictest144650irq/27-eth000:00:463
29372991612,3cyclictest22403-21bash22:45:183
29372991611,4cyclictest144650irq/27-eth023:23:093
2937299160,12cyclictest0-21swapper/322:15:123
2937299160,11cyclictest144650irq/27-eth022:11:243
2937199163,12cyclictest153250irq/28-eth1-rx-00:39:052
29371991611,4cyclictest2132-21sshd22:58:452
2937199161,13cyclictest0-21swapper/220:15:202
2937099166,4cyclictest22678-21ls21:55:221
2937099165,7cyclictest22-21ksoftirqd/100:30:291
29370991613,2cyclictest0-21swapper/121:21:051
2937099160,4cyclictest144650irq/27-eth021:43:001
2937099160,14cyclictest0-21swapper/100:10:471
29369991613,2cyclictest31717-21sshd22:20:470
29369991611,4cyclictest31728-21sshd21:35:030
2937299158,6cyclictest0-21swapper/320:22:273
2937299157,4cyclictest31904-21sshd23:54:083
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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