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2026-04-29 - 16:27
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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 Apr 29, 2026 12:44:54)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1953321380,3sleep02961899cyclictest11:32:410
1953321380,3sleep02961899cyclictest11:32:400
1816521260,2sleep20-21swapper/211:25:292
1816521260,2sleep20-21swapper/211:25:292
337421070,1sleep30-21swapper/310:50:163
2913629833,44sleep30-21swapper/307:07:223
2913629833,44sleep30-21swapper/307:07:213
256572950,2sleep30-21swapper/311:08:113
55112940,2sleep00-21swapper/010:25:160
216922940,1sleep12961999cyclictest09:47:471
40332910,2sleep20-21swapper/211:16:362
138482910,1sleep00-21swapper/009:53:470
188752880,0sleep00-21swapper/012:02:190
318212870,3sleep30-21swapper/312:16:163
28742860,3sleep32962199cyclictest10:17:463
3322850,2sleep32023-21nfsd11:20:133
122852850,2sleep20-21swapper/212:22:082
222022840,1sleep30-21swapper/310:23:393
278562830,3sleep30-21swapper/310:02:553
265502830,1sleep20-21swapper/211:59:352
177202830,2sleep117714-21bash09:30:191
2908228132,45sleep10-21swapper/107:06:401
2908228132,45sleep10-21swapper/107:06:401
238752810,1sleep223869-21sshd11:22:462
160042810,2sleep10-21swapper/110:08:541
249642800,1sleep041ktimersoftd/011:11:530
125252790,1sleep00-21swapper/010:11:540
203332780,2sleep20-21swapper/212:19:082
219142770,3sleep00-21swapper/011:55:300
102432770,2sleep12512-21runrttasks08:50:011
268312750,2sleep10-21swapper/112:07:251
137842750,2sleep10-21swapper/109:50:191
117432750,2sleep10-21swapper/110:00:491
158302730,2sleep20-21swapper/209:57:252
324622720,0sleep10-21swapper/110:10:311
66242710,1sleep30-21swapper/309:39:273
101602690,0sleep00-21swapper/009:12:230
209212680,4sleep22962099cyclictest09:13:322
172172620,0sleep00-21swapper/009:16:320
2905125834,12sleep20-21swapper/207:06:172
2905125834,12sleep20-21swapper/207:06:172
282572570,1sleep228255-21sshd10:02:582
176662490,47sleep1144650irq/27-eth011:22:041
2935524833,11sleep00-21swapper/007:09:560
2935524833,11sleep00-21swapper/007:09:560
287532350,3sleep30-21swapper/310:31:403
136492330,30sleep3144650irq/27-eth010:47:563
126322300,1sleep00-21swapper/010:22:360
274532260,2sleep30-21swapper/312:27:373
243572260,2sleep20-21swapper/210:38:092
6882240,2sleep20-21swapper/211:52:542
223472240,22sleep2144650irq/27-eth011:44:262
314532230,1sleep02512-21runrttasks11:45:230
230212230,2sleep323019-21sshd11:11:403
136852230,2sleep30-21swapper/312:09:583
115092230,2sleep20-21swapper/210:29:512
316422220,1sleep20-21swapper/209:52:122
285332220,1sleep10-21swapper/109:14:251
144082220,20sleep3144650irq/27-eth009:19:493
49912210,2sleep24981-21sshd12:00:362
90982200,1sleep20-21swapper/209:15:382
2962099206,10cyclictest22784-21bash10:09:392
2962099203,7cyclictest22522-21sshd09:44:312
2961899200,18cyclictest0-21swapper/010:09:190
74682190,17sleep1144650irq/27-eth008:40:521
6022190,17sleep3144650irq/27-eth011:27:123
6022190,17sleep3144650irq/27-eth011:27:113
2961999190,8cyclictest22-21ksoftirqd/111:40:401
183912190,17sleep1144650irq/27-eth011:03:091
54732180,16sleep1144650irq/27-eth012:00:391
38962180,16sleep3144650irq/27-eth009:32:183
2962099186,7cyclictest153250irq/28-eth1-rx-09:46:352
29619991814,3cyclictest3083-21sshd09:15:071
2962199170,15cyclictest0-21swapper/312:20:133
2962099178,7cyclictest0-21swapper/211:04:502
2962099176,5cyclictest2744-21sshd12:28:292
2962099174,2cyclictest2262-21munin-node09:37:272
2962099173,13cyclictest29363-21sshd09:31:332
2962099172,1cyclictest13421-21df07:45:112
2962099172,10cyclictest2512-21runrttasks10:17:592
2962099171,9cyclictest10020-21sshd09:26:032
2962099171,4cyclictest6870-21sshd09:22:212
2962099171,4cyclictest6870-21sshd09:22:202
29620991713,3cyclictest16105-21hddtemp_smartct07:50:122
2962099171,15cyclictest31858-21sshd10:10:272
2962099170,15cyclictest31843-21sshd10:46:122
2961999177,5cyclictest47-21rcuop/310:30:061
2961999175,11cyclictest2024-21nfsd10:25:451
2961899178,4cyclictest32332-21rm11:20:120
287282172,13sleep1144650irq/27-eth010:56:241
29621991612,3cyclictest144650irq/27-eth009:13:353
2962199160,15cyclictest144650irq/27-eth012:10:323
2962099166,3cyclictest24127-21bash12:07:032
2962099163,9cyclictest29234-21bash11:12:212
2962099162,7cyclictest1238-21rm12:35:392
2962099162,13cyclictest18346-21sshd10:51:512
29620991612,3cyclictest21507-21sshd10:23:342
2962099161,14cyclictest1739-21sshd12:12:302
2962099160,9cyclictest8631-21sshd10:57:512
2962099160,9cyclictest29510-21sshd12:31:182
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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