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2026-05-20 - 09:39
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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 Wed May 20, 2026 00:44:46)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1128821350,0sleep00-21swapper/023:19:020
2133621140,3sleep22078399cyclictest22:47:422
2133621140,3sleep22078399cyclictest22:47:422
18492210133,55sleep30-21swapper/319:05:103
27192940,6sleep10-21swapper/100:00:581
140252930,2sleep20-21swapper/200:37:542
166382920,2sleep10-21swapper/122:12:391
311222890,0sleep00-21swapper/019:30:190
286922880,0sleep228684-21sshd22:03:302
259662870,1sleep10-21swapper/100:17:571
34972850,2sleep33492-21rm22:14:443
278352840,2sleep10-21swapper/100:32:241
43382830,3sleep22078399cyclictest21:54:032
206182830,3sleep120619-21bash23:52:051
153222830,3sleep20-21swapper/222:57:522
148742830,5sleep20-21swapper/223:58:562
85472820,2sleep02078199cyclictest00:33:520
286392820,1sleep02024-21nfsd19:25:170
285842820,3sleep30-21swapper/322:24:153
117492820,2sleep20-21swapper/223:33:102
2035228132,45sleep10-21swapper/119:07:531
74482800,2sleep37450-21fschecks_time00:30:143
4772790,2sleep22024-21nfsd00:29:332
220892790,2sleep20-21swapper/200:14:062
103662790,2sleep00-21swapper/021:58:070
31242780,0sleep00-21swapper/022:31:440
301262780,1sleep20-21swapper/200:18:262
72162770,3sleep12078299cyclictest22:39:121
67302770,1sleep00-21swapper/023:58:010
38962770,1sleep03894-21bash00:29:550
60302760,4sleep22078399cyclictest22:25:142
317822760,2sleep10-21swapper/123:21:061
98622750,0sleep00-21swapper/023:36:210
241912740,2sleep124186-21bash21:24:571
178792730,1sleep30-21swapper/322:30:003
281892720,2sleep32078499cyclictest22:00:033
171272720,2sleep30-21swapper/323:51:393
193322710,4sleep12078299cyclictest22:19:521
206222680,1sleep20-21swapper/223:23:292
1849125632,11sleep20-21swapper/219:05:102
95702550,0sleep09559-21sshd21:36:550
2033625532,11sleep00-21swapper/019:07:390
46712370,1sleep02024-21nfsd21:54:050
40202360,2sleep10-21swapper/123:03:511
195442340,2sleep119543-21sshd23:30:251
136082330,5sleep12078299cyclictest21:17:001
89012310,4sleep30-21swapper/300:16:033
229222290,0sleep00-21swapper/023:13:170
234282280,4sleep20-21swapper/222:13:232
308352270,1sleep030821-21sshd22:27:520
170602270,0sleep00-21swapper/021:34:220
91282260,1sleep09122-21sshd21:23:200
267382260,2sleep2321ktimersoftd/223:02:492
234792260,24sleep3144650irq/27-eth023:59:533
304562250,23sleep1144650irq/27-eth021:53:241
283452250,2sleep00-21swapper/022:00:040
291422240,3sleep32078499cyclictest23:45:583
286142241,21sleep3144650irq/27-eth021:56:353
212392242,20sleep3144650irq/27-eth021:34:503
225742230,2sleep20-21swapper/200:31:492
2078399233,13cyclictest28210-21sshd22:07:012
2078399232,17cyclictest28950irq/26-ahci[00021:55:562
111922230,21sleep3144650irq/27-eth000:20:093
24392220,20sleep3144650irq/27-eth021:43:173
241542221,19sleep1144650irq/27-eth022:30:311
81672210,2sleep20-21swapper/222:35:392
31832210,3sleep20-21swapper/200:05:002
292012210,1sleep30-21swapper/300:25:253
2078399215,10cyclictest11414-21sshd22:18:592
132432210,1sleep013242-21seq21:10:140
74782200,2sleep37477-21sshd00:05:253
58032200,18sleep1144650irq/27-eth023:35:551
2078399205,9cyclictest22143-21sshd22:23:322
2078399204,9cyclictest26709-21sshd23:41:442
138282200,1sleep013829-21sshd23:44:140
48422190,17sleep1144650irq/27-eth022:00:531
2078399197,2cyclictest23651-21sshd21:38:282
2078399196,4cyclictest29210-21sshd23:35:042
2078399196,1cyclictest11276-21sshd23:29:362
2078399190,12cyclictest10906-21sshd23:50:562
37462180,3sleep30-21swapper/322:18:103
294612180,16sleep1144650irq/27-eth023:46:011
285172180,16sleep3144650irq/27-eth023:10:203
2078399186,4cyclictest30940-21sshd21:15:242
2078399184,9cyclictest31620-21id23:46:142
2078399184,10cyclictest16798-21sshd21:14:022
2078399183,6cyclictest7919-21sshd23:18:392
35982170,2sleep33597-21sshd00:12:033
311852170,15sleep3144650irq/27-eth000:36:133
2078499170,11cyclictest0-21swapper/323:35:223
2078399173,8cyclictest29615-21bash00:22:052
2078399173,6cyclictest3268-21sshd22:31:462
2078399173,10cyclictest16962-21sshd21:20:402
2078399171,14cyclictest19867-21sshd21:45:092
2078399170,12cyclictest33-21ksoftirqd/222:52:062
2078399170,0cyclictest0-21swapper/220:35:592
2078299170,4cyclictest28533-21sshd22:48:371
2078299170,4cyclictest28533-21sshd22:48:361
2078299170,12cyclictest5828-21sshd21:12:521
2078299170,12cyclictest15334-21sshd21:41:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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