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2026-06-17 - 07:30
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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 Jun 17, 2026 00:44:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
23887210633,43sleep30-21swapper/319:08:173
2388029633,50sleep10-21swapper/119:08:121
318862940,2sleep231880-21rm23:35:462
239472940,1sleep00-21swapper/023:15:540
176182880,3sleep02427599cyclictest21:13:460
110662860,1sleep10-21swapper/100:20:181
323952850,1sleep232394-21sshd23:03:012
305352850,3sleep20-21swapper/222:04:102
273402850,3sleep30-21swapper/323:20:293
124542850,1sleep012445-21sshd23:25:550
191722830,3sleep12428099cyclictest21:55:271
149162820,1sleep10-21swapper/123:22:431
302792810,1sleep03-21ksoftirqd/022:52:090
270962810,2sleep227068-21sshd21:14:492
126652810,1sleep20-21swapper/223:22:282
29632790,2sleep30-21swapper/300:30:343
228342790,2sleep30-21swapper/322:06:553
152122790,2sleep315204-21sshd22:32:083
136772780,3sleep22428499cyclictest23:44:402
128412780,1sleep22024-21nfsd21:51:242
63732770,1sleep06363-21sshd23:33:080
187112770,4sleep22428499cyclictest22:47:302
315392760,0sleep00-21swapper/022:23:080
268152760,1sleep026813-21sshd00:11:310
167442750,1sleep30-21swapper/321:41:023
91562740,2sleep10-21swapper/122:20:111
322482720,0sleep00-21swapper/000:30:190
231782710,4sleep32428599cyclictest23:42:063
13842710,3sleep10-21swapper/122:19:121
305672700,1sleep20-21swapper/222:52:112
115282680,1sleep111527-21bash23:25:481
173012650,2sleep217291-21sshd00:20:552
2389826233,16sleep20-21swapper/219:08:252
2395325734,11sleep00-21swapper/019:09:060
317952500,0sleep031797-21id23:53:400
192962480,0sleep319295-21bash21:13:583
270412470,1sleep027046-21wc21:35:180
74092440,2sleep27408-21bash22:08:472
232742440,4sleep10-21swapper/122:29:381
119862380,3sleep30-21swapper/321:47:563
236862330,5sleep32428599cyclictest21:38:273
135202330,0sleep113521-21bash00:17:061
132252310,29sleep1144650irq/27-eth021:51:281
192582300,2sleep20-21swapper/200:32:412
57202280,4sleep30-21swapper/322:38:413
141962260,0sleep00-21swapper/022:57:340
108392260,2sleep20-21swapper/222:31:392
321482250,2sleep20-21swapper/222:37:522
283242240,1sleep028319-21sshd22:10:530
2427599240,17cyclictest0-21swapper/023:45:550
205712240,3sleep22428499cyclictest00:14:262
181592230,3sleep30-21swapper/322:13:213
100872230,2sleep20-21swapper/219:50:032
2428499224,4cyclictest29727-21sshd21:18:292
157602220,5sleep122-21ksoftirqd/121:20:211
24275992112,1cyclictest31768-21sshd22:00:170
2427599210,14cyclictest0-21swapper/022:48:280
234692210,3sleep10-21swapper/122:40:481
183562210,19sleep1144650irq/27-eth022:06:271
171522210,1sleep10-21swapper/121:48:301
167032210,0sleep00-21swapper/023:04:510
44492201,17sleep3144650irq/27-eth021:15:423
291972200,18sleep3144650irq/27-eth022:00:063
2428499204,3cyclictest6391-21sshd22:24:072
185162200,1sleep20-21swapper/200:17:392
243122190,1sleep30-21swapper/322:58:423
199682190,17sleep3144650irq/27-eth023:12:043
71762180,16sleep228950irq/26-ahci[00000:05:132
24280991811,3cyclictest28039-21sshd21:11:221
24275991812,2cyclictest0-21swapper/021:57:350
210142180,2sleep221004-21sshd23:45:212
2428599170,3cyclictest144650irq/27-eth000:12:233
2428499173,1cyclictest14455-21cp22:28:402
2428499170,8cyclictest29122-21perl21:25:142
2428099173,13cyclictest0-21swapper/120:17:151
24275991715,1cyclictest0-21swapper/020:22:240
2427599171,12cyclictest0-21swapper/021:16:460
2427599170,13cyclictest0-21swapper/022:05:420
141962170,15sleep2144650irq/27-eth023:08:032
110712171,14sleep3144650irq/27-eth023:33:403
47232160,14sleep1144650irq/27-eth022:56:231
41742160,13sleep1144650irq/27-eth021:15:411
2428599167,7cyclictest0-21swapper/322:24:473
2428499162,10cyclictest153250irq/28-eth1-rx-23:33:252
24284991612,3cyclictest3453-21sshd23:25:022
24284991611,4cyclictest22074-21sshd22:10:162
24284991610,5cyclictest0-21swapper/222:40:362
2428499160,12cyclictest29523-21sshd00:04:072
2428099166,3cyclictest9220-21sshd23:00:261
24280991614,1cyclictest0-21swapper/123:08:191
24280991612,2cyclictest305-21cp23:32:291
2428099160,8cyclictest0-21swapper/100:34:041
2428099160,4cyclictest27668-21sshd21:35:211
2428099160,14cyclictest0-21swapper/120:05:141
2427599160,4cyclictest13330-21sshd23:40:460
2427599160,15cyclictest0-21swapper/021:31:050
2427599160,11cyclictest0-21swapper/022:38:420
2428599159,5cyclictest0-21swapper/320:20:593
2428599159,0cyclictest0-21swapper/300:16:233
2428599158,3cyclictest144650irq/27-eth021:33:163
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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