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2025-12-02 - 06:34
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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 Dec 02, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1993972991611,0cyclictest0-21swapper/319:45:013
1993972991311,1cyclictest0-21swapper/300:05:133
199397299130,12cyclictest69450irq/121-eno119:15:123
199397299130,11cyclictest0-21swapper/320:40:133
199397299130,11cyclictest0-21swapper/300:10:153
199397299130,11cyclictest0-21swapper/300:00:123
199397299129,2cyclictest0-21swapper/323:05:153
1993972991211,0cyclictest0-21swapper/320:45:143
199397299120,11cyclictest69450irq/121-eno122:42:413
199397299120,11cyclictest0-21swapper/322:10:123
199397299120,11cyclictest0-21swapper/321:05:133
199397299120,11cyclictest0-21swapper/319:50:133
199397299120,11cyclictest0-21swapper/300:35:193
199397299120,0cyclictest0-21swapper/320:55:153
199397299116,1cyclictest0-21swapper/323:15:133
1993972991111,0cyclictest69450irq/121-eno121:35:183
1993972991111,0cyclictest0-21swapper/321:30:173
1993972991110,0cyclictest0-21swapper/321:25:153
1993972991110,0cyclictest0-21swapper/321:15:183
1993972991110,0cyclictest0-21swapper/320:15:003
199397299110,9cyclictest69450irq/121-eno123:23:423
199397299110,10cyclictest69450irq/121-eno100:25:133
199397299110,10cyclictest69450irq/121-eno100:15:173
199397299110,10cyclictest0-21swapper/322:20:013
199397299110,10cyclictest0-21swapper/322:05:133
199397299110,10cyclictest0-21swapper/322:05:123
199397299110,10cyclictest0-21swapper/320:05:163
199397299110,10cyclictest0-21swapper/319:10:123
199397299110,10cyclictest0-21swapper/300:20:113
199397299109,0cyclictest0-21swapper/322:35:203
199397299109,0cyclictest0-21swapper/321:10:123
1993972991010,0cyclictest69450irq/121-eno122:01:183
1993972991010,0cyclictest69450irq/121-eno121:40:233
1993972991010,0cyclictest69450irq/121-eno121:20:153
1993972991010,0cyclictest0-21swapper/323:35:143
1993972991010,0cyclictest0-21swapper/320:25:143
1993972991010,0cyclictest0-21swapper/319:20:183
199397299100,9cyclictest69450irq/121-eno123:00:153
199397299100,10cyclictest0-21swapper/320:39:153
199397299100,0cyclictest0-21swapper/319:35:183
19939729999,0cyclictest69450irq/121-eno122:45:203
19939729999,0cyclictest69450irq/121-eno122:25:153
19939729999,0cyclictest0-21swapper/323:30:213
19939729999,0cyclictest0-21swapper/319:25:203
19939729999,0cyclictest0-21swapper/300:31:173
19939729998,1cyclictest69450irq/121-eno122:20:133
19939729990,9cyclictest0-21swapper/323:40:193
19939729990,8cyclictest69450irq/121-eno121:50:143
19939729990,8cyclictest69450irq/121-eno121:00:143
19939729990,8cyclictest69450irq/121-eno119:40:163
19939729990,8cyclictest0-21swapper/321:47:143
19939729990,0cyclictest0-21swapper/322:50:193
19939729988,0cyclictest69450irq/121-eno123:55:153
19939729988,0cyclictest69450irq/121-eno123:50:543
19939729988,0cyclictest69450irq/121-eno119:30:193
19939729988,0cyclictest0-21swapper/323:45:123
19939729988,0cyclictest0-21swapper/323:15:003
19939729988,0cyclictest0-21swapper/321:55:143
19939729988,0cyclictest0-21swapper/320:20:143
19939729987,0cyclictest0-21swapper/320:15:133
19939729980,7cyclictest69450irq/121-eno123:29:193
19939729980,7cyclictest69450irq/121-eno119:55:193
19939729970,7cyclictest0-21swapper/322:55:203
19939729966,0cyclictest0-21swapper/322:30:133
19939729966,0cyclictest0-21swapper/320:50:133
19939729960,5cyclictest0-21swapper/320:00:153
2018420250,0sleep00-21swapper/020:10:130
19939729950,4cyclictest69450irq/121-eno120:32:143
1992180250,3sleep30-21swapper/319:05:123
1992949241,1sleep10-21swapper/119:05:191
2117903230,1sleep22118039-21memory00:10:182
2117545230,2sleep02117806-21cat00:10:160
2102752230,1sleep02102778-21apt-get23:35:140
2099189230,1sleep12099339-21ntp_states23:25:181
2093007230,2sleep12093094-21/usr/sbin/munin23:10:181
2046725230,2sleep02046807-21pmu-power21:20:190
2022532230,1sleep02022558-21apt-get20:20:140
1992212231,1sleep00-21swapper/019:05:130
1992169231,1sleep20-21swapper/219:05:032
2129357220,1sleep20-21swapper/200:35:202
2125936220,1sleep02126209-21df_inode00:30:140
2116679220,0sleep20-21swapper/200:05:462
2112954220,0sleep02112960-40mandb00:00:010
2095409220,0sleep00-21swapper/023:15:220
2088168220,1sleep00-21swapper/023:00:160
2087555220,0sleep22087569-21apt-get23:00:022
2085907220,1sleep02086155-21diskstats22:55:160
2085145220,0sleep00-21swapper/022:52:150
2075609220,1sleep02075759-21ntp_states22:30:180
2065306220,1sleep22065459-21systemctl22:05:182
2065306220,1sleep22065459-21systemctl22:05:182
2062152220,1sleep12062245-21sed22:00:011
2057600220,0sleep00-21swapper/021:46:430
2054503220,1sleep00-21swapper/021:40:190
2052005220,1sleep22052076-21aten_r1power_en21:35:122
2047997220,1sleep12048023-21apt-get21:25:151
2047646220,0sleep20-21swapper/221:24:002
2040062220,1sleep10-21swapper/121:05:151
2034046220,1sleep12034133-21cat20:50:011
2034038220,1sleep00-21swapper/020:49:560
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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