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2025-12-04 - 08:13
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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 Dec 04, 2025 00:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2023585991310,2cyclictest69450irq/121-eno122:40:123
202358599130,11cyclictest0-21swapper/321:40:013
202358599130,11cyclictest0-21swapper/319:35:133
202358599130,11cyclictest0-21swapper/319:10:123
202358599130,11cyclictest0-21swapper/300:10:153
202358599128,0cyclictest0-21swapper/323:00:133
2023585991210,1cyclictest0-21swapper/322:00:123
202358599120,8cyclictest0-21swapper/322:10:143
202358599120,1cyclictest0-21swapper/320:15:113
202358599120,1cyclictest0-21swapper/320:05:153
202358599120,1cyclictest0-21swapper/319:20:133
202358599120,11cyclictest0-21swapper/321:50:143
202358599120,11cyclictest0-21swapper/321:05:133
202358599120,11cyclictest0-21swapper/319:40:183
202358599119,1cyclictest0-21swapper/323:45:123
202358599119,1cyclictest0-21swapper/320:30:123
2023585991111,0cyclictest69450irq/121-eno122:29:213
2023585991111,0cyclictest0-21swapper/322:20:123
2023585991111,0cyclictest0-21swapper/322:20:123
2023585991110,0cyclictest69450irq/121-eno122:30:203
202358599110,1cyclictest20330582sleep319:30:163
202358599110,10cyclictest69450irq/121-eno123:20:133
202358599110,10cyclictest69450irq/121-eno123:05:283
202358599110,10cyclictest69450irq/121-eno122:35:163
202358599110,10cyclictest69450irq/121-eno120:40:143
202358599110,10cyclictest69450irq/121-eno120:26:233
202358599110,10cyclictest69450irq/121-eno120:00:183
202358599110,10cyclictest69450irq/121-eno100:05:183
202358599110,10cyclictest0-21swapper/323:10:193
202358599110,10cyclictest0-21swapper/321:30:173
202358599110,10cyclictest0-21swapper/300:30:013
202358599110,0cyclictest0-21swapper/323:15:133
202358599110,0cyclictest0-21swapper/321:00:133
202358599110,0cyclictest0-21swapper/320:55:143
202358599109,0cyclictest0-21swapper/322:05:163
202358599109,0cyclictest0-21swapper/320:10:113
2023585991010,0cyclictest69450irq/121-eno123:58:043
2023585991010,0cyclictest69450irq/121-eno122:58:223
2023585991010,0cyclictest69450irq/121-eno121:23:173
2023585991010,0cyclictest0-21swapper/320:45:113
2023585991010,0cyclictest0-21swapper/319:15:133
2023585991010,0cyclictest0-21swapper/300:15:163
202358599100,9cyclictest69450irq/121-eno121:36:333
202358599100,9cyclictest69450irq/121-eno121:28:393
202358599100,9cyclictest0-21swapper/323:35:203
202358599100,9cyclictest0-21swapper/321:20:013
20235859999,0cyclictest69450irq/121-eno122:45:043
20235859999,0cyclictest69450irq/121-eno121:49:353
20235859999,0cyclictest69450irq/121-eno120:20:173
20235859999,0cyclictest69450irq/121-eno100:35:293
20235859999,0cyclictest69450irq/121-eno100:31:133
20235859999,0cyclictest0-21swapper/322:50:133
20235859999,0cyclictest0-21swapper/300:05:013
20235859988,0cyclictest69450irq/121-eno123:30:013
20235859988,0cyclictest69450irq/121-eno119:26:493
20235859988,0cyclictest69450irq/121-eno100:21:333
20235859980,8cyclictest0-21swapper/322:20:013
20235859980,7cyclictest69450irq/121-eno119:51:023
20235859980,7cyclictest0-21swapper/320:50:183
20235859970,6cyclictest69450irq/121-eno123:50:223
20235859970,6cyclictest69450irq/121-eno123:26:453
20235859966,0cyclictest69450irq/121-eno121:55:143
20235859965,1cyclictest69450irq/121-eno120:38:393
20235859960,5cyclictest69450irq/121-eno119:45:153
20235859955,0cyclictest69450irq/121-eno123:40:233
20235859950,4cyclictest69450irq/121-eno121:10:133
2110215240,3sleep22110443-21sed22:45:022
20235859940,3cyclictest0-21swapper/319:55:133
2022409241,1sleep10-21swapper/119:05:181
2021543241,2sleep30-21swapper/319:05:013
2155342230,1sleep02155496-21ntp_states00:30:180
2104178230,1sleep22104204-21apt-get22:30:132
2095545230,2sleep02095659-21latency_hist22:10:010
2088280230,2sleep02088433-21sed21:50:200
2085492230,1sleep12085765-21df_inode21:45:161
2082707230,1sleep22082724-21apt-get21:40:012
2064902230,1sleep12064928-21apt-get20:55:141
2058711230,0sleep10-21swapper/120:37:451
2051484230,1sleep12051510-21apt-get20:20:151
2038662230,2sleep02038812-21/usr/sbin/munin19:45:160
2021787233,0sleep00-21swapper/019:05:100
2021784231,1sleep20-21swapper/219:05:072
2157236220,1sleep10-21swapper/100:35:191
2147764220,1sleep12147768-21ssh00:11:261
2146087220,1sleep02146230-21latency_hist00:10:010
2139283220,1sleep00-21swapper/023:50:360
2131052220,1sleep10-21swapper/123:31:511
2128274220,1sleep02128432-21mailstats23:25:180
2126177220,1sleep20-21swapper/223:20:202
2124034220,1sleep12124143-21ps23:15:171
2122929220,0sleep00-21swapper/023:14:090
2120572220,0sleep00-21swapper/023:06:450
2111439220,1sleep02111715-21/usr/sbin/munin22:45:200
2106735220,1sleep22106891-21memory22:35:172
2099352220,1sleep00-21swapper/022:16:460
2090852220,1sleep00-21swapper/021:55:400
2089776220,1sleep22089955-21fw_packets21:55:142
2085428220,1sleep00-21swapper/021:45:160
2070819220,1sleep12071087-21df21:10:141
2069478220,1sleep12069581-21grep21:05:171
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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