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2025-11-27 - 04:03
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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 Thu Nov 27, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
218653199140,12cyclictest0-21swapper/321:40:113
218653199130,11cyclictest0-21swapper/320:50:113
218653199120,1cyclictest0-21swapper/322:05:123
218653199120,11cyclictest0-21swapper/323:40:203
218653199120,11cyclictest0-21swapper/323:10:183
218653199120,11cyclictest0-21swapper/321:10:123
218653199120,11cyclictest0-21swapper/319:55:193
218653199120,11cyclictest0-21swapper/319:44:553
218653199119,2cyclictest69450irq/121-eno120:10:133
218653199118,2cyclictest0-21swapper/322:55:003
2186531991111,0cyclictest69450irq/121-eno123:01:433
2186531991110,0cyclictest0-21swapper/322:10:133
218653199110,10cyclictest69450irq/121-eno123:37:183
218653199110,10cyclictest0-21swapper/322:25:183
218653199110,0cyclictest0-21swapper/323:55:133
218653199110,0cyclictest0-21swapper/320:35:013
218653199110,0cyclictest0-21swapper/319:30:123
218653199110,0cyclictest0-21swapper/319:20:143
218653199110,0cyclictest0-21swapper/319:15:113
218653199110,0cyclictest0-21swapper/300:15:133
2186531991010,0cyclictest69450irq/121-eno123:50:213
2186531991010,0cyclictest69450irq/121-eno122:45:133
2186531991010,0cyclictest0-21swapper/321:50:173
2186531991010,0cyclictest0-21swapper/321:45:063
2186531991010,0cyclictest0-21swapper/321:25:113
2186531991010,0cyclictest0-21swapper/320:05:123
2186531991010,0cyclictest0-21swapper/300:10:123
218653199100,9cyclictest69450irq/121-eno123:25:203
218653199100,9cyclictest69450irq/121-eno121:56:333
218653199100,9cyclictest69450irq/121-eno121:02:203
218653199100,9cyclictest0-21swapper/322:40:013
218653199100,9cyclictest0-21swapper/322:30:153
218653199100,9cyclictest0-21swapper/322:20:133
218653199100,9cyclictest0-21swapper/322:00:183
218653199100,9cyclictest0-21swapper/322:00:183
218653199100,9cyclictest0-21swapper/321:05:133
218653199100,10cyclictest0-21swapper/323:20:113
218653199100,0cyclictest0-21swapper/321:30:183
218653199100,0cyclictest0-21swapper/319:10:113
218653199100,0cyclictest0-21swapper/300:05:203
21865319999,0cyclictest69450irq/121-eno123:31:313
21865319999,0cyclictest69450irq/121-eno123:06:003
21865319999,0cyclictest69450irq/121-eno122:40:033
21865319999,0cyclictest69450irq/121-eno120:40:083
21865319999,0cyclictest69450irq/121-eno120:21:203
21865319998,1cyclictest69450irq/121-eno100:20:133
21865319990,0cyclictest0-21swapper/323:50:003
21865319990,0cyclictest0-21swapper/322:55:193
21865319990,0cyclictest0-21swapper/319:55:003
21865319988,0cyclictest69450irq/121-eno121:23:423
21865319988,0cyclictest69450irq/121-eno100:38:233
21865319988,0cyclictest0-21swapper/320:55:113
21865319988,0cyclictest0-21swapper/300:00:133
21865319987,1cyclictest0-21swapper/321:15:113
21865319987,0cyclictest0-21swapper/319:50:013
21865319980,8cyclictest69450irq/121-eno122:15:053
21865319980,7cyclictest69450irq/121-eno121:35:173
21865319980,7cyclictest69450irq/121-eno120:30:083
21865319977,0cyclictest69450irq/121-eno100:31:133
21865319966,0cyclictest0-21swapper/319:30:003
21865319960,6cyclictest0-21swapper/320:30:023
2204670250,1sleep00-21swapper/019:55:140
21865319955,0cyclictest69450irq/121-eno100:25:133
21865319955,0cyclictest0-21swapper/320:05:003
21865319950,4cyclictest69450irq/121-eno123:15:173
21865319950,4cyclictest69450irq/121-eno119:38:293
2186035251,1sleep10-21swapper/119:05:441
21865319941,2cyclictest0-21swapper/320:45:123
21865319940,3cyclictest2212325-21chrt20:15:013
2184694241,2sleep30-21swapper/319:05:023
2262405230,1sleep12262431-21apt-get22:25:121
2260319230,1sleep12260345-21apt-get22:20:121
2241568230,2sleep12241817-21cstates21:35:131
2196997230,1sleep02197023-21apt-get19:35:140
2185677231,1sleep00-21swapper/019:05:190
2184461231,1sleep20-21swapper/219:05:012
2318037220,1sleep00-21swapper/000:35:230
2313930220,1sleep12314133-21unixbench-2d00:25:241
2299273220,1sleep22299543-21sed23:50:232
2298027220,1sleep00-21swapper/023:50:010
2293325220,0sleep00-21swapper/023:35:360
2283089220,1sleep22283127-21munin-run23:15:002
2270338220,1sleep22270339-21sshd22:43:182
2266589220,0sleep10-21swapper/122:35:141
2260936220,0sleep20-21swapper/222:20:172
2256182220,1sleep02256322-21grep22:10:150
2255408220,0sleep00-21swapper/022:05:580
2249581220,0sleep00-21swapper/021:55:010
2246272220,1sleep02246278-21memory21:45:170
2235927220,0sleep00-21swapper/021:20:150
2234502220,0sleep00-21swapper/021:16:070
2229591220,0sleep00-21swapper/021:05:140
2223093220,0sleep00-21swapper/020:48:250
2219370220,1sleep02219549-21wc20:40:010
2217487220,1sleep00-21swapper/020:30:120
2208771220,1sleep00-21swapper/020:05:140
2204332220,0sleep00-21swapper/019:53:540
2193332220,1sleep12193597-21diskstats19:25:131
2191106220,1sleep02191395-21expr19:20:170
2318656210,0sleep10-21swapper/100:37:211
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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