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2026-05-15 - 07:53
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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 Fri May 15, 2026 00:44:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
912521320,1sleep20-21swapper/223:20:122
545621250,3sleep02689599cyclictest21:58:500
125821240,2sleep20-21swapper/221:36:002
1558421190,2sleep00-21swapper/023:49:430
293321170,2sleep20-21swapper/223:44:442
625921150,2sleep30-21swapper/321:47:313
3094221040,1sleep20-21swapper/221:25:102
26540210133,40sleep30-21swapper/319:08:463
190362890,2sleep10-21swapper/122:00:231
2646428634,48sleep10-21swapper/119:07:491
159872840,3sleep20-21swapper/221:30:202
157562810,2sleep30-21swapper/322:21:133
79842790,2sleep10-21swapper/121:12:271
64172790,0sleep00-21swapper/021:40:390
50802790,2sleep30-21swapper/300:25:403
323502790,2sleep232340-21sshd21:15:042
262382780,4sleep12689699cyclictest21:21:081
313782770,2sleep12689699cyclictest21:53:541
175562770,2sleep10-21swapper/121:38:071
109872760,1sleep10-21swapper/122:06:281
288062750,0sleep22689799cyclictest22:08:272
144022750,5sleep30-21swapper/321:13:093
304752730,2sleep10-21swapper/122:26:561
304752730,2sleep10-21swapper/122:26:561
292122730,2sleep30-21swapper/300:31:583
17562720,2sleep20-21swapper/222:45:482
3722700,0sleep00-21swapper/021:28:450
228142700,1sleep00-21swapper/000:12:430
236902680,2sleep223686-21bash00:16:182
57682670,2sleep30-21swapper/322:27:473
57682670,2sleep30-21swapper/322:27:473
199722630,3sleep12689699cyclictest22:17:471
9212590,4sleep32689899cyclictest00:10:103
2645125732,21sleep20-21swapper/219:07:412
320282510,0sleep032022-21cp23:55:280
208642490,2sleep320862-21sshd22:17:523
2660724833,11sleep00-21swapper/019:09:390
317082360,2sleep20-21swapper/223:55:262
85062320,1sleep08495-21sshd22:50:080
65822310,2sleep26577-21sshd23:05:012
235832300,1sleep02024-21nfsd00:20:000
54662290,3sleep20-21swapper/200:25:432
25262290,2sleep20-21swapper/222:30:472
25262290,2sleep20-21swapper/222:30:472
155812290,27sleep2144650irq/27-eth021:55:532
63932270,4sleep30-21swapper/323:48:423
310952270,5sleep03-21ksoftirqd/023:03:580
151542270,24sleep2144650irq/27-eth000:11:502
35332240,13sleep1144650irq/27-eth022:30:551
35332240,13sleep1144650irq/27-eth022:30:541
203122240,1sleep20-21swapper/222:51:172
122792240,2sleep10-21swapper/121:33:261
54622230,3sleep30-21swapper/323:23:413
277102230,1sleep10-21swapper/123:18:421
2689799231,8cyclictest16764-21sshd23:09:562
170972230,1sleep00-21swapper/022:00:140
146112230,1sleep20-21swapper/222:17:112
8362200,18sleep2144650irq/27-eth019:22:362
287052202,16sleep3144650irq/27-eth023:26:233
269362190,1sleep026938-21bash00:05:260
2689899198,6cyclictest0-21swapper/300:00:483
232072190,17sleep1144650irq/27-eth022:37:121
72692180,0sleep00-21swapper/023:41:210
4672181,15sleep1144650irq/27-eth023:08:091
33032180,4sleep12689699cyclictest00:02:581
26897991813,3cyclictest29608-21sshd21:14:482
2689699185,4cyclictest16147-21sshd23:38:551
26896991814,3cyclictest11094-21sshd23:41:471
2689599183,13cyclictest31566-21date21:40:000
210912180,2sleep32066-21nscd00:08:333
6662170,0sleep00-21swapper/000:32:270
2689799172,13cyclictest11930-21sshd00:30:032
2689799171,8cyclictest144650irq/27-eth023:19:412
26896991712,2cyclictest19879-21sshd21:42:081
26896991711,5cyclictest31501-21sshd00:32:161
2689599170,11cyclictest30159-21sshd23:15:240
152922170,15sleep2144650irq/27-eth023:49:422
66942160,14sleep3144650irq/27-eth022:02:393
43692161,13sleep3144650irq/27-eth021:22:203
2689899168,6cyclictest1053-21sshd21:25:203
2689899167,4cyclictest12120-21sshd23:17:003
2689899162,10cyclictest32648-21sshd22:49:153
2689899160,14cyclictest30383-21sshd21:31:503
2689899160,14cyclictest16788-21sed23:35:243
2689799168,5cyclictest0-21swapper/200:20:522
2689799163,6cyclictest15719-21sshd23:28:302
2689799163,5cyclictest19925-21bash21:42:082
2689799163,5cyclictest15505-21sshd23:38:502
2689799163,5cyclictest0-21swapper/223:52:082
26897991614,1cyclictest0-21swapper/220:51:022
26897991612,3cyclictest14832-21id00:07:462
2689799160,9cyclictest29608-21nfsd420:25:162
2689799160,8cyclictest2024-21nfsd22:41:452
2689799160,8cyclictest2024-21nfsd22:03:552
2689799160,3cyclictest7289-21munin-node22:35:232
2689699169,6cyclictest29452-21sshd23:26:261
26896991613,2cyclictest0-21swapper/123:11:101
26896991613,2cyclictest0-21swapper/100:08:261
2689699161,14cyclictest0-21swapper/122:54:361
2689699160,7cyclictest0-21swapper/121:58:481
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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