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2025-11-18 - 15:21
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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 Tue Nov 18, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
298801991710,6cyclictest0-21swapper/307:20:113
29880199149,1cyclictest0-21swapper/308:45:143
29880199149,1cyclictest0-21swapper/308:45:133
29880199140,12cyclictest0-21swapper/309:45:143
298801991211,1cyclictest69450irq/121-eno110:40:213
298801991210,0cyclictest0-21swapper/308:25:163
29880199120,1cyclictest0-21swapper/311:15:223
29880199120,11cyclictest69450irq/121-eno110:58:523
29880199120,11cyclictest0-21swapper/309:25:133
29880199120,11cyclictest0-21swapper/308:32:453
298801991111,0cyclictest69450irq/121-eno112:17:363
298801991111,0cyclictest0-21swapper/309:55:003
298801991111,0cyclictest0-21swapper/309:10:143
298801991111,0cyclictest0-21swapper/308:15:143
298801991110,1cyclictest69450irq/121-eno112:20:153
29880199110,10cyclictest69450irq/121-eno111:14:503
29880199110,10cyclictest69450irq/121-eno110:23:193
29880199110,10cyclictest69450irq/121-eno109:59:413
29880199110,10cyclictest0-21swapper/312:05:243
29880199110,10cyclictest0-21swapper/311:30:173
29880199110,10cyclictest0-21swapper/311:25:233
29880199110,10cyclictest0-21swapper/307:45:003
29880199110,10cyclictest0-21swapper/307:20:013
29880199110,0cyclictest0-21swapper/310:45:023
29880199110,0cyclictest0-21swapper/309:35:163
29880199110,0cyclictest0-21swapper/309:20:133
29880199110,0cyclictest0-21swapper/308:00:143
29880199109,1cyclictest69450irq/121-eno110:55:003
29880199109,0cyclictest0-21swapper/309:20:023
29880199109,0cyclictest0-21swapper/309:00:023
298801991010,0cyclictest69450irq/121-eno112:01:133
298801991010,0cyclictest69450irq/121-eno110:00:153
29880199100,9cyclictest69450irq/121-eno111:57:173
29880199100,9cyclictest69450irq/121-eno108:24:243
29880199100,9cyclictest0-21swapper/307:45:193
29880199100,8cyclictest69450irq/121-eno107:55:123
29880199100,0cyclictest0-21swapper/312:35:363
29880199100,0cyclictest0-21swapper/312:30:183
29880199100,0cyclictest0-21swapper/312:25:133
29880199100,0cyclictest0-21swapper/311:45:143
29880199100,0cyclictest0-21swapper/309:45:013
29880199100,0cyclictest0-21swapper/307:10:243
2988019999,0cyclictest69450irq/121-eno111:54:363
2988019999,0cyclictest69450irq/121-eno111:37:273
2988019999,0cyclictest69450irq/121-eno110:32:173
2988019999,0cyclictest69450irq/121-eno110:25:183
2988019999,0cyclictest69450irq/121-eno110:05:343
2988019999,0cyclictest69450irq/121-eno109:07:353
2988019999,0cyclictest0-21swapper/310:10:203
2988019999,0cyclictest0-21swapper/308:55:223
2988019999,0cyclictest0-21swapper/308:50:283
2988019999,0cyclictest0-21swapper/307:25:123
2988019998,0cyclictest69450irq/121-eno109:33:473
2988019998,0cyclictest0-21swapper/308:15:013
2988019990,8cyclictest69450irq/121-eno112:10:183
2988019990,8cyclictest69450irq/121-eno111:09:053
2988019990,8cyclictest0-21swapper/308:05:143
2988019988,0cyclictest69450irq/121-eno111:44:413
2988019988,0cyclictest69450irq/121-eno110:19:243
2988019988,0cyclictest69450irq/121-eno107:35:153
2988019987,1cyclictest69450irq/121-eno107:30:123
2988019986,1cyclictest0-21swapper/311:25:003
2988019977,0cyclictest69450irq/121-eno111:04:043
2988019977,0cyclictest69450irq/121-eno107:50:133
2988019977,0cyclictest0-21swapper/308:40:153
2988019966,0cyclictest69450irq/121-eno110:35:223
298670261,2sleep30-21swapper/307:09:563
2988019940,3cyclictest69450irq/121-eno108:35:163
298474242,1sleep20-21swapper/207:07:272
297104241,1sleep10-21swapper/107:05:141
360745230,1sleep0360771-21apt-get09:45:150
342613230,1sleep2342639-21apt-get09:00:142
297014231,1sleep00-21swapper/007:05:130
431608220,1sleep10-21swapper/112:30:171
428501220,1sleep0428503-21ssh12:20:490
427148221,0sleep20-21swapper/212:20:152
420606220,1sleep2420784-21date12:05:012
405932220,1sleep20-21swapper/211:30:112
400593220,1sleep00-21swapper/011:15:210
393776220,1sleep0393929-21ntpq11:00:190
377313220,1sleep00-21swapper/010:23:360
370525220,1sleep00-21swapper/010:06:230
369266220,1sleep10-21swapper/110:05:161
333535220,1sleep1333682-21/usr/sbin/munin08:35:221
325172220,1sleep1325256-21irqstats08:15:181
318738220,1sleep2318764-21apt-get08:00:142
318469220,1sleep1318658-21sed08:00:001
435125210,1sleep10-21swapper/112:36:391
434484210,0sleep20-21swapper/212:35:242
433688210,0sleep00-21swapper/012:35:180
432641210,0sleep00-21swapper/012:30:240
430175210,0sleep00-21swapper/012:25:210
429238210,0sleep10-21swapper/112:25:131
428796210,0sleep10-21swapper/112:23:261
426420210,1sleep00-21swapper/012:16:030
425818210,0sleep10-21swapper/112:15:201
425459210,0sleep20-21swapper/212:15:172
424764210,0sleep10-21swapper/112:14:531
423655210,0sleep00-21swapper/012:10:200
422945210,0sleep20-21swapper/212:10:132
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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