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2025-12-03 - 05:06
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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 Wed Dec 03, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
200872799141,1cyclictest0-21swapper/322:00:133
200872799140,12cyclictest0-21swapper/323:15:113
200872799130,11cyclictest0-21swapper/323:55:133
2008727991211,0cyclictest0-21swapper/322:30:113
200872799120,1cyclictest0-21swapper/319:25:123
200872799120,11cyclictest69450irq/121-eno123:22:263
200872799120,11cyclictest69450irq/121-eno121:26:543
200872799120,11cyclictest0-21swapper/323:10:143
200872799120,11cyclictest0-21swapper/322:40:143
200872799120,11cyclictest0-21swapper/321:55:123
200872799120,11cyclictest0-21swapper/319:40:133
200872799120,11cyclictest0-21swapper/319:35:003
200872799120,10cyclictest69450irq/121-eno119:45:193
200872799119,1cyclictest0-21swapper/323:30:153
2008727991111,0cyclictest69450irq/121-eno120:35:193
2008727991110,0cyclictest69450irq/121-eno100:22:323
2008727991110,0cyclictest0-21swapper/319:55:123
200872799110,11cyclictest69450irq/121-eno123:45:063
200872799110,11cyclictest0-21swapper/323:00:183
200872799110,10cyclictest0-21swapper/320:55:123
200872799110,10cyclictest0-21swapper/320:00:213
200872799110,10cyclictest0-21swapper/319:15:023
200872799110,10cyclictest0-21swapper/300:15:133
200872799110,0cyclictest0-21swapper/323:35:153
200872799110,0cyclictest0-21swapper/322:35:143
200872799110,0cyclictest0-21swapper/321:40:013
200872799110,0cyclictest0-21swapper/320:25:213
200872799110,0cyclictest0-21swapper/320:20:153
200872799110,0cyclictest0-21swapper/300:05:143
200872799109,1cyclictest0-21swapper/319:15:133
200872799109,0cyclictest0-21swapper/321:15:123
200872799109,0cyclictest0-21swapper/320:15:143
200872799108,1cyclictest0-21swapper/322:05:113
2008727991010,0cyclictest69450irq/121-eno122:46:223
2008727991010,0cyclictest69450irq/121-eno121:34:203
2008727991010,0cyclictest69450irq/121-eno120:30:153
2008727991010,0cyclictest0-21swapper/323:50:193
2008727991010,0cyclictest0-21swapper/319:35:153
200872799100,9cyclictest69450irq/121-eno122:10:153
200872799100,9cyclictest69450irq/121-eno121:50:163
200872799100,9cyclictest69450irq/121-eno120:10:163
200872799100,0cyclictest0-21swapper/321:50:013
20087279999,0cyclictest69450irq/121-eno123:07:273
20087279999,0cyclictest69450irq/121-eno121:43:493
20087279999,0cyclictest69450irq/121-eno100:38:223
20087279999,0cyclictest69450irq/121-eno100:10:163
20087279999,0cyclictest69450irq/121-eno100:00:263
20087279999,0cyclictest0-21swapper/321:05:133
20087279999,0cyclictest0-21swapper/320:40:123
20087279998,1cyclictest69450irq/121-eno121:21:223
20087279998,0cyclictest0-21swapper/322:25:123
20087279990,8cyclictest69450irq/121-eno122:20:193
20087279990,8cyclictest69450irq/121-eno122:18:303
20087279988,0cyclictest69450irq/121-eno121:00:153
20087279988,0cyclictest69450irq/121-eno120:05:213
20087279988,0cyclictest69450irq/121-eno100:27:573
20087279988,0cyclictest0-21swapper/323:45:003
20087279988,0cyclictest0-21swapper/322:50:123
20087279988,0cyclictest0-21swapper/300:30:133
20087279977,0cyclictest69450irq/121-eno120:50:213
20087279977,0cyclictest69450irq/121-eno119:50:163
20087279977,0cyclictest0-21swapper/323:25:113
20087279977,0cyclictest0-21swapper/319:20:153
20087279970,6cyclictest69450irq/121-eno120:45:143
20087279970,0cyclictest0-21swapper/322:55:213
20087279966,0cyclictest69450irq/121-eno121:10:143
2008345242,1sleep10-21swapper/119:06:481
2008253242,1sleep20-21swapper/219:05:372
2007026241,1sleep00-21swapper/019:05:150
2006924241,2sleep30-21swapper/319:05:073
2127760230,2sleep02127858-21grep00:00:140
2072402230,2sleep02072428-21apt-get21:50:150
2050425230,1sleep12050451-21apt-get20:55:121
2050179230,2sleep22050229-21sed20:55:002
2045852230,0sleep20-21swapper/220:40:202
2025966230,2sleep12026074-21grep19:50:201
2144414220,1sleep00-21swapper/000:40:000
2143200220,1sleep22143359-21ntpq00:35:182
2140676220,1sleep00-21swapper/000:30:170
2139737220,0sleep20-21swapper/200:27:582
2138941220,1sleep10-21swapper/100:25:201
2135770220,1sleep12135785-21sendmail00:20:011
2134119220,1sleep00-21swapper/000:15:160
2131965220,1sleep20-21swapper/200:10:122
2108907220,1sleep22109098-21grep23:15:132
2093614220,1sleep00-21swapper/022:40:130
2083841220,1sleep20-21swapper/222:15:222
2078434220,1sleep20-21swapper/222:05:022
2074997220,1sleep20-21swapper/221:55:162
2062845220,1sleep22062995-21ntp_states21:25:182
2052803220,1sleep22052925-21sed21:00:162
2040683220,1sleep12040955-21cstates20:30:151
2034291220,1sleep00-21swapper/020:11:270
2025236220,1sleep02025276-21/usr/sbin/munin19:50:150
2021764220,1sleep02021913-21ntp_states19:40:190
2019830220,1sleep12019980-21ntp_states19:35:191
2018010220,1sleep22018290-21sed19:30:192
2013211220,1sleep22013237-21apt-get19:20:152
2143063210,0sleep10-21swapper/100:35:171
2140378210,0sleep20-21swapper/200:30:152
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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