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2025-11-25 - 08:35
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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 25, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
230970599130,12cyclictest0-21swapper/320:35:133
2309705991211,1cyclictest69450irq/121-eno100:15:133
230970599120,11cyclictest0-21swapper/321:50:153
230970599120,11cyclictest0-21swapper/321:45:013
230970599120,0cyclictest0-21swapper/322:55:123
2309705991111,0cyclictest69450irq/121-eno123:51:213
2309705991111,0cyclictest69450irq/121-eno123:15:203
2309705991111,0cyclictest69450irq/121-eno100:10:163
2309705991111,0cyclictest0-21swapper/319:50:133
2309705991110,1cyclictest69450irq/121-eno121:35:133
2309705991110,0cyclictest0-21swapper/320:05:163
230970599110,10cyclictest69450irq/121-eno123:00:193
230970599110,10cyclictest69450irq/121-eno122:35:183
230970599110,10cyclictest69450irq/121-eno122:10:213
230970599110,10cyclictest69450irq/121-eno119:20:173
230970599110,10cyclictest69450irq/121-eno100:00:133
230970599110,10cyclictest0-21swapper/321:10:183
230970599110,10cyclictest0-21swapper/320:15:203
230970599110,0cyclictest0-21swapper/322:50:123
230970599110,0cyclictest0-21swapper/321:15:143
230970599110,0cyclictest0-21swapper/321:00:163
230970599109,1cyclictest0-21swapper/322:25:133
2309705991010,0cyclictest69450irq/121-eno123:20:163
2309705991010,0cyclictest69450irq/121-eno120:30:153
2309705991010,0cyclictest69450irq/121-eno119:55:193
2309705991010,0cyclictest69450irq/121-eno100:30:173
2309705991010,0cyclictest0-21swapper/300:25:203
230970599100,9cyclictest69450irq/121-eno123:30:223
230970599100,9cyclictest69450irq/121-eno122:40:193
230970599100,9cyclictest69450irq/121-eno122:31:223
230970599100,9cyclictest69450irq/121-eno121:35:023
230970599100,0cyclictest0-21swapper/323:40:123
230970599100,0cyclictest0-21swapper/323:25:133
230970599100,0cyclictest0-21swapper/321:20:173
230970599100,0cyclictest0-21swapper/320:20:193
230970599100,0cyclictest0-21swapper/319:10:193
23097059999,0cyclictest69450irq/121-eno122:06:093
23097059999,0cyclictest69450irq/121-eno100:24:383
23097059999,0cyclictest0-21swapper/322:20:203
23097059998,1cyclictest69450irq/121-eno123:39:213
23097059998,1cyclictest69450irq/121-eno119:35:143
23097059998,0cyclictest0-21swapper/323:10:123
23097059998,0cyclictest0-21swapper/322:00:113
23097059998,0cyclictest0-21swapper/319:35:013
23097059990,8cyclictest69450irq/121-eno121:26:183
23097059990,8cyclictest69450irq/121-eno120:50:193
23097059990,8cyclictest69450irq/121-eno100:06:243
23097059990,8cyclictest0-21swapper/321:45:133
23097059990,8cyclictest0-21swapper/319:15:013
23097059990,0cyclictest0-21swapper/320:10:133
23097059988,0cyclictest69450irq/121-eno122:47:513
23097059988,0cyclictest69450irq/121-eno120:40:143
23097059988,0cyclictest69450irq/121-eno120:25:133
23097059988,0cyclictest69450irq/121-eno119:42:083
23097059988,0cyclictest0-21swapper/323:45:133
23097059987,1cyclictest69450irq/121-eno121:55:133
23097059987,0cyclictest0-21swapper/319:50:013
23097059980,7cyclictest69450irq/121-eno122:17:353
23097059977,0cyclictest69450irq/121-eno123:56:233
23097059976,0cyclictest0-21swapper/321:05:023
23097059970,6cyclictest0-21swapper/323:10:013
23097059970,6cyclictest0-21swapper/320:55:013
2309543271,3sleep30-21swapper/319:09:553
23097059966,0cyclictest0-21swapper/320:45:133
23097059965,1cyclictest69450irq/121-eno100:35:123
23097059955,0cyclictest0-21swapper/320:00:133
23097059951,2cyclictest0-21swapper/319:25:123
2355405240,0sleep0241rcuc/021:05:160
2309396242,1sleep10-21swapper/119:08:021
2309219242,1sleep20-21swapper/219:05:462
2352790230,1sleep02352816-21apt-get21:00:110
2343787230,2sleep12343930-21/usr/sbin/munin20:35:181
2327696230,2sleep22327575-21/usr/sbin/munin19:55:142
2316198230,2sleep12316470-21cstates19:25:141
2308657231,1sleep00-21swapper/019:05:200
2444870220,1sleep00-21swapper/000:37:280
2441251220,1sleep20-21swapper/200:30:142
2432639220,1sleep02432804-21/usr/sbin/munin00:10:150
2430192220,1sleep22430226-21munin-run00:05:012
2418289220,1sleep10-21swapper/123:35:181
2416349220,1sleep20-21swapper/223:30:192
2411580220,1sleep02411610-21apt-get23:20:130
2408953220,0sleep00-21swapper/023:12:480
2397499220,1sleep02397666-21ntpq22:45:170
2394743220,1sleep12394998-21diskstats22:40:151
2385668220,1sleep00-21swapper/022:17:530
2381469220,1sleep00-21swapper/022:07:390
2379653220,1sleep22379687-21munin-run22:05:022
2375709220,0sleep20-21swapper/221:55:122
2367282220,1sleep20-21swapper/221:35:152
2366667220,0sleep02366680-21apt-get21:35:020
2364995220,1sleep22365265-21tr21:30:162
2364903221,1sleep02364921-21awk21:30:130
2364646220,1sleep02364680-21ssh21:30:010
2335249220,0sleep20-21swapper/220:15:142
2329240220,1sleep12329254-21munin-run20:00:001
2324367220,1sleep22324521-21ntp_states19:45:172
2321956220,1sleep12322236-21expr19:40:151
2443482210,0sleep20-21swapper/200:35:152
2441345210,0sleep12441488-21cpuspeed00:30:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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