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2025-12-01 - 06:46
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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 Mon Dec 01, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
197301099140,12cyclictest0-21swapper/319:40:133
1973010991312,0cyclictest0-21swapper/321:40:013
1973010991310,2cyclictest0-21swapper/323:25:133
197301099130,12cyclictest0-21swapper/323:50:133
197301099130,12cyclictest0-21swapper/322:15:143
197301099130,12cyclictest0-21swapper/321:45:133
1973010991211,0cyclictest0-21swapper/322:00:133
1973010991210,1cyclictest0-21swapper/300:20:113
197301099120,11cyclictest0-21swapper/323:40:183
197301099120,11cyclictest0-21swapper/323:10:203
197301099120,11cyclictest0-21swapper/323:05:153
197301099120,11cyclictest0-21swapper/320:10:153
197301099112,8cyclictest69450irq/121-eno121:13:253
1973010991111,0cyclictest0-21swapper/322:50:153
1973010991111,0cyclictest0-21swapper/322:25:023
1973010991110,0cyclictest0-21swapper/300:35:243
197301099110,11cyclictest0-21swapper/323:20:123
197301099110,10cyclictest69450irq/121-eno123:55:213
197301099110,10cyclictest69450irq/121-eno100:25:413
197301099110,10cyclictest0-21swapper/322:40:203
197301099110,10cyclictest0-21swapper/319:30:003
197301099110,0cyclictest0-21swapper/321:55:153
197301099110,0cyclictest0-21swapper/321:50:133
197301099110,0cyclictest0-21swapper/321:50:133
197301099110,0cyclictest0-21swapper/320:45:133
197301099110,0cyclictest0-21swapper/319:55:113
197301099109,0cyclictest0-21swapper/323:45:133
197301099109,0cyclictest0-21swapper/320:55:143
197301099101,8cyclictest69450irq/121-eno122:05:173
1973010991010,0cyclictest69450irq/121-eno122:55:133
1973010991010,0cyclictest69450irq/121-eno122:35:203
1973010991010,0cyclictest69450irq/121-eno100:15:123
1973010991010,0cyclictest0-21swapper/322:30:023
1973010991010,0cyclictest0-21swapper/320:40:143
1973010991010,0cyclictest0-21swapper/320:30:133
1973010991010,0cyclictest0-21swapper/319:15:013
197301099100,9cyclictest69450irq/121-eno122:27:533
197301099100,9cyclictest69450irq/121-eno121:25:003
197301099100,9cyclictest69450irq/121-eno121:06:333
197301099100,9cyclictest69450irq/121-eno120:20:133
197301099100,9cyclictest69450irq/121-eno119:38:413
197301099100,9cyclictest0-21swapper/321:20:193
197301099100,0cyclictest0-21swapper/319:15:193
19730109999,0cyclictest69450irq/121-eno121:15:203
19730109999,0cyclictest69450irq/121-eno120:15:143
19730109999,0cyclictest0-21swapper/320:25:203
19730109999,0cyclictest0-21swapper/319:30:193
19730109999,0cyclictest0-21swapper/300:30:143
19730109998,0cyclictest69450irq/121-eno100:00:353
19730109990,8cyclictest69450irq/121-eno123:37:483
19730109990,8cyclictest69450irq/121-eno122:12:413
19730109990,8cyclictest69450irq/121-eno119:45:123
19730109990,8cyclictest69450irq/121-eno100:08:523
19730109990,8cyclictest0-21swapper/321:33:223
19730109990,0cyclictest0-21swapper/320:54:563
19730109988,0cyclictest69450irq/121-eno123:00:213
19730109988,0cyclictest69450irq/121-eno122:45:163
19730109988,0cyclictest69450irq/121-eno120:09:593
19730109988,0cyclictest0-21swapper/321:00:113
19730109980,7cyclictest69450irq/121-eno100:14:363
19730109977,0cyclictest69450irq/121-eno121:40:133
19730109977,0cyclictest69450irq/121-eno119:50:093
19730109977,0cyclictest0-21swapper/323:30:133
19730109960,5cyclictest0-21swapper/323:15:203
19730109960,5cyclictest0-21swapper/319:20:213
2053671250,3sleep22053697-21apt-get22:30:132
19730109955,0cyclictest0-21swapper/320:35:233
19730109954,0cyclictest0-21swapper/320:00:313
1972369251,2sleep30-21swapper/319:05:223
2007992242,2sleep2754-21snmpd20:37:462
1998827240,1sleep21998853-21apt-get20:15:132
1972849242,1sleep10-21swapper/119:09:481
1970955241,1sleep20-21swapper/219:05:012
2105021230,1sleep00-21swapper/000:35:150
2085351230,1sleep10-21swapper/123:45:131
2083695230,1sleep02083777-21irqstats23:40:150
2079061230,1sleep10-21swapper/123:30:121
2076968230,1sleep20-21swapper/223:25:132
2045825230,2sleep02045997-21python322:10:180
2036393230,1sleep02036419-21apt-get21:50:130
2036393230,1sleep02036419-21apt-get21:50:120
2028233230,1sleep22028259-21apt-get21:30:142
2002831230,2sleep00-21swapper/020:25:160
1977210230,1sleep11977228-21apt-get19:20:011
1971949231,1sleep00-21swapper/019:05:180
2101708220,1sleep12101854-21wc00:25:201
2096795220,1sleep12097061-21df_inode00:15:111
2094693220,1sleep12094961-21df00:10:111
2087010220,0sleep20-21swapper/223:48:312
2070816220,1sleep22071107-21df23:10:152
2066241220,0sleep02066267-21apt-get23:00:120
2059960220,0sleep12059988-21apt-get22:45:131
2059224220,1sleep00-21swapper/022:40:480
2052983220,0sleep00-21swapper/022:28:310
2049907220,1sleep20-21swapper/222:20:172
2042424220,0sleep10-21swapper/122:02:431
2020827220,1sleep12019935-21/usr/sbin/munin21:10:201
2020059220,1sleep00-21swapper/021:10:150
2005206220,1sleep22005356-21ntp_states20:30:182
2004964220,1sleep02005043-21grep20:30:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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