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2025-11-28 - 06:08
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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 Fri Nov 28, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
214948499130,11cyclictest0-21swapper/300:20:143
2149484991211,1cyclictest0-21swapper/320:30:123
2149484991211,0cyclictest0-21swapper/323:35:173
214948499120,1cyclictest0-21swapper/321:55:133
214948499120,11cyclictest69450irq/121-eno122:47:493
214948499119,1cyclictest0-21swapper/321:05:143
214948499119,1cyclictest0-21swapper/300:00:143
2149484991110,1cyclictest69450irq/121-eno100:33:073
2149484991110,0cyclictest0-21swapper/323:15:203
214948499110,8cyclictest0-21swapper/320:00:013
214948499110,11cyclictest0-21swapper/323:05:193
214948499110,11cyclictest0-21swapper/322:00:133
214948499110,10cyclictest69450irq/121-eno100:10:123
214948499110,10cyclictest0-21swapper/322:35:143
214948499110,10cyclictest0-21swapper/321:25:163
214948499110,10cyclictest0-21swapper/320:35:193
214948499110,10cyclictest0-21swapper/319:50:213
214948499110,10cyclictest0-21swapper/319:39:553
214948499110,0cyclictest0-21swapper/322:25:133
214948499109,0cyclictest0-21swapper/322:55:123
214948499109,0cyclictest0-21swapper/300:25:143
214948499101,8cyclictest69450irq/121-eno120:13:583
2149484991010,0cyclictest69450irq/121-eno122:30:553
2149484991010,0cyclictest69450irq/121-eno122:05:193
2149484991010,0cyclictest69450irq/121-eno121:30:403
2149484991010,0cyclictest69450irq/121-eno120:50:013
2149484991010,0cyclictest69450irq/121-eno120:20:183
2149484991010,0cyclictest69450irq/121-eno119:25:163
2149484991010,0cyclictest0-21swapper/323:25:013
2149484991010,0cyclictest0-21swapper/323:10:123
2149484991010,0cyclictest0-21swapper/321:20:173
214948499100,9cyclictest69450irq/121-eno122:10:143
214948499100,9cyclictest69450irq/121-eno121:13:543
214948499100,9cyclictest0-21swapper/323:25:143
214948499100,10cyclictest0-21swapper/319:15:023
214948499100,10cyclictest0-21swapper/300:35:193
214948499100,0cyclictest0-21swapper/323:30:023
214948499100,0cyclictest0-21swapper/319:55:173
214948499100,0cyclictest0-21swapper/300:15:143
21494849999,0cyclictest69450irq/121-eno123:59:333
21494849999,0cyclictest69450irq/121-eno121:46:563
21494849999,0cyclictest69450irq/121-eno121:38:363
21494849999,0cyclictest69450irq/121-eno119:10:193
21494849999,0cyclictest69450irq/121-eno100:05:063
21494849999,0cyclictest0-21swapper/320:45:133
21494849999,0cyclictest0-21swapper/319:45:013
21494849999,0cyclictest0-21swapper/319:25:003
21494849998,1cyclictest69450irq/121-eno121:15:123
21494849998,0cyclictest0-21swapper/323:50:153
21494849992,6cyclictest69450irq/121-eno122:21:203
21494849990,8cyclictest69450irq/121-eno123:04:283
21494849990,8cyclictest69450irq/121-eno122:50:193
21494849990,8cyclictest69450irq/121-eno122:15:223
21494849990,0cyclictest0-21swapper/323:40:023
21494849988,0cyclictest69450irq/121-eno120:15:173
21494849983,2cyclictest69450irq/121-eno120:40:123
21494849977,0cyclictest69450irq/121-eno121:50:073
21494849977,0cyclictest69450irq/121-eno121:43:333
21494849977,0cyclictest69450irq/121-eno121:00:233
21494849977,0cyclictest69450irq/121-eno119:45:173
21494849975,1cyclictest0-21swapper/320:05:143
21494849966,0cyclictest69450irq/121-eno122:40:143
21494849966,0cyclictest69450irq/121-eno119:30:163
21494849966,0cyclictest0-21swapper/323:45:203
2148114260,4sleep12148248-21latency19:05:171
2196692254,1sleep02169644-21kworker/0:2+events21:06:480
21494849955,0cyclictest0-21swapper/320:55:123
2274965240,3sleep22274967-21ssh00:14:382
2243222240,3sleep02243495-21df_inode23:00:140
21494849940,2cyclictest0-21swapper/320:25:133
2148034241,1sleep00-21swapper/019:05:160
2147677241,1sleep20-21swapper/219:05:142
2147653241,2sleep30-21swapper/319:05:023
2272924230,2sleep22272977-21cat00:10:022
2251453230,1sleep12251479-21apt-get23:20:141
2222547230,0sleep00-21swapper/022:10:160
2283837220,1sleep22284084-21diskstats00:35:152
2267965220,1sleep02267967-21ssh23:55:430
2266055220,0sleep10-21swapper/123:52:191
2262184220,1sleep00-21swapper/023:45:140
2257280220,0sleep00-21swapper/023:31:050
2256326220,1sleep22256408-21irqstats23:30:152
2255587220,1sleep00-21swapper/023:29:360
2245323220,1sleep02245588-21diskstats23:05:160
2244724220,1sleep12244726-21ssh23:03:291
2229948220,0sleep00-21swapper/022:27:330
2220027220,0sleep02220053-21apt-get22:05:150
2218551220,1sleep22218702-21ntpq22:00:172
2218366220,1sleep02218448-21irqstats22:00:160
2213410220,1sleep00-21swapper/021:49:270
2201203220,1sleep02201231-21apt-get21:20:130
2200610220,0sleep10-21swapper/121:16:341
2190045220,1sleep00-21swapper/020:50:190
2179427220,1sleep02179436-21latency_hist20:25:010
2177763220,1sleep10-21swapper/120:20:141
2171750220,1sleep12171764-21munin-run20:05:001
2156924220,1sleep12157096-21python319:25:181
2149754220,1sleep22150049-21df19:10:142
2283653210,0sleep00-21swapper/000:35:130
2282016210,0sleep10-21swapper/100:30:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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