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2025-11-23 - 19:49
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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
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack1slot3.osadl.org (updated Sun Nov 23, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
28284199140,12cyclictest0-21swapper/309:25:143
28284199139,0cyclictest0-21swapper/308:00:113
28284199130,11cyclictest0-21swapper/311:00:133
282841991210,2cyclictest69450irq/121-eno110:30:123
28284199120,1cyclictest0-21swapper/310:05:123
28284199120,1cyclictest0-21swapper/307:25:003
28284199120,11cyclictest69450irq/121-eno111:42:413
28284199120,11cyclictest69450irq/121-eno109:35:213
28284199120,11cyclictest0-21swapper/312:10:163
28284199120,11cyclictest0-21swapper/311:15:223
28284199120,11cyclictest0-21swapper/310:40:123
28284199120,11cyclictest0-21swapper/310:25:013
28284199120,11cyclictest0-21swapper/308:40:023
28284199120,10cyclictest0-21swapper/311:35:133
282841991111,0cyclictest69450irq/121-eno110:39:053
282841991111,0cyclictest0-21swapper/311:25:123
282841991110,0cyclictest69450irq/121-eno107:39:593
282841991110,0cyclictest0-21swapper/308:30:013
28284199110,11cyclictest0-21swapper/312:10:023
28284199110,10cyclictest69450irq/121-eno112:26:273
28284199110,10cyclictest69450irq/121-eno110:45:123
28284199110,10cyclictest69450irq/121-eno110:12:343
28284199110,10cyclictest69450irq/121-eno109:40:193
28284199110,10cyclictest69450irq/121-eno109:05:133
28284199110,10cyclictest69450irq/121-eno108:31:573
28284199110,10cyclictest0-21swapper/311:10:213
28284199110,10cyclictest0-21swapper/307:25:123
28284199110,0cyclictest0-21swapper/312:00:133
28284199110,0cyclictest0-21swapper/308:05:173
28284199109,1cyclictest69450irq/121-eno108:15:053
282841991010,0cyclictest69450irq/121-eno111:24:033
282841991010,0cyclictest69450irq/121-eno108:55:373
282841991010,0cyclictest0-21swapper/311:55:123
282841991010,0cyclictest0-21swapper/310:50:213
282841991010,0cyclictest0-21swapper/309:50:233
282841991010,0cyclictest0-21swapper/309:45:133
282841991010,0cyclictest0-21swapper/308:00:013
28284199100,9cyclictest69450irq/121-eno111:05:113
28284199100,9cyclictest0-21swapper/309:00:193
28284199100,10cyclictest0-21swapper/311:50:143
28284199100,10cyclictest0-21swapper/308:45:553
28284199100,10cyclictest0-21swapper/308:45:013
28284199100,0cyclictest0-21swapper/307:10:123
2828419999,0cyclictest69450irq/121-eno112:22:153
2828419999,0cyclictest0-21swapper/307:40:203
2828419997,1cyclictest0-21swapper/310:00:003
2828419990,8cyclictest69450irq/121-eno112:30:203
2828419988,0cyclictest69450irq/121-eno112:35:163
2828419988,0cyclictest69450irq/121-eno110:58:113
2828419988,0cyclictest69450irq/121-eno110:19:063
2828419988,0cyclictest69450irq/121-eno109:10:213
2828419988,0cyclictest69450irq/121-eno108:20:373
2828419988,0cyclictest69450irq/121-eno108:10:143
2828419988,0cyclictest0-21swapper/312:15:133
2828419988,0cyclictest0-21swapper/309:25:003
2828419980,7cyclictest69450irq/121-eno111:49:353
2828419980,7cyclictest69450irq/121-eno111:30:223
2828419980,0cyclictest0-21swapper/309:55:203
2828419970,7cyclictest0-21swapper/309:30:223
2828419970,6cyclictest69450irq/121-eno107:30:373
2828419966,0cyclictest69450irq/121-eno109:15:193
2828419966,0cyclictest0-21swapper/307:15:133
2828419960,5cyclictest69450irq/121-eno110:27:573
2828419960,0cyclictest0-21swapper/307:50:123
282588261,2sleep30-21swapper/307:09:563
406949250,1sleep1406961-21munin-plugin-st12:15:021
331764250,4sleep1331778-21apt-get09:15:011
2828419955,0cyclictest69450irq/121-eno108:50:193
2828419950,4cyclictest69450irq/121-eno107:45:173
282400242,1sleep10-21swapper/107:07:341
282371242,1sleep20-21swapper/207:07:102
413949230,2sleep0414192-21df_inode12:30:170
409037230,1sleep1409058-21apt-get12:20:021
390474230,1sleep0390504-21apt-get11:35:130
384968230,2sleep1384206-21/usr/sbin/munin11:20:171
379745230,1sleep1379771-21apt-get11:10:131
321844230,2sleep2322092-21sed08:50:012
293267230,2sleep2293209-21/usr/sbin/munin07:35:122
280932231,1sleep00-21swapper/007:05:130
416353220,1sleep0416558-21cut12:35:180
402514220,0sleep00-21swapper/012:02:470
400281220,0sleep10-21swapper/111:56:371
394673220,0sleep00-21swapper/011:45:110
385993220,1sleep00-21swapper/011:24:370
369292220,1sleep1369359-21hostname10:45:111
354903220,1sleep1355088-21/usr/sbin/munin10:10:181
352557220,0sleep00-21swapper/010:05:110
350480220,0sleep0350510-21apt-get10:00:120
350206220,1sleep10-21swapper/110:00:011
347069220,1sleep00-21swapper/009:50:220
340319220,1sleep00-21swapper/009:35:140
324413220,1sleep2324469-21aten2.4-expect08:55:332
320273220,2sleep00-21swapper/008:45:140
314418220,1sleep2314444-21apt-get08:30:122
312688220,0sleep10-21swapper/108:25:151
312535220,1sleep0312687-21aten2.4-expect08:25:140
282597220,0sleep0282618-21apt-get07:10:010
417317210,0sleep10-21swapper/112:36:551
416636210,0sleep20-21swapper/212:35:202
414272210,0sleep2414469-21strings12:30:192
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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