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2024-07-16 - 08:22
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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 50 highest latencies:
System rack1slot3.osadl.org (updated Tue Jul 16, 2024 00:43:44)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
83611599120,11cyclictest0-21swapper/319:40:133
836115991111,0cyclictest0-21swapper/321:35:113
83611599110,11cyclictest0-21swapper/322:35:013
83611599110,10cyclictest0-21swapper/323:45:153
83611599110,0cyclictest0-21swapper/322:55:123
836115991010,0cyclictest0-21swapper/323:55:323
836115991010,0cyclictest0-21swapper/323:30:113
836115991010,0cyclictest0-21swapper/322:20:013
836115991010,0cyclictest0-21swapper/322:15:143
836115991010,0cyclictest0-21swapper/320:30:493
836115991010,0cyclictest0-21swapper/320:13:493
836115991010,0cyclictest0-21swapper/300:35:143
83611599100,10cyclictest0-21swapper/323:40:023
83611599100,10cyclictest0-21swapper/323:39:563
83611599100,10cyclictest0-21swapper/323:30:023
83611599100,0cyclictest0-21swapper/322:40:253
83611599100,0cyclictest0-21swapper/319:14:573
8361159999,0cyclictest0-21swapper/322:15:023
8361159999,0cyclictest0-21swapper/321:50:003
8361159999,0cyclictest0-21swapper/321:40:123
8361159999,0cyclictest0-21swapper/319:30:233
8361159999,0cyclictest0-21swapper/300:00:263
8361159990,9cyclictest0-21swapper/320:50:303
8361159988,0cyclictest0-21swapper/321:58:593
8361159988,0cyclictest0-21swapper/320:25:123
8361159988,0cyclictest0-21swapper/320:00:143
8361159988,0cyclictest0-21swapper/320:00:013
8361159988,0cyclictest0-21swapper/319:15:113
8361159980,8cyclictest0-21swapper/323:10:263
8361159980,8cyclictest0-21swapper/320:45:253
8361159970,7cyclictest0-21swapper/321:00:013
833929271,4sleep20-21swapper/219:05:012
8361159966,0cyclictest0-21swapper/323:24:563
8361159966,0cyclictest0-21swapper/323:05:313
8361159966,0cyclictest0-21swapper/322:35:253
8361159966,0cyclictest0-21swapper/320:17:183
8361159966,0cyclictest0-21swapper/319:50:003
8361159966,0cyclictest0-21swapper/300:07:583
8361159960,0cyclictest0-21swapper/300:25:143
24942239860,3rtkit-daemon617-21gmain19:07:451
24942239860,2rtkit-daemon375-21systemd-udevd23:21:290
8361159955,0cyclictest0-21swapper/322:29:073
8361159955,0cyclictest0-21swapper/321:34:113
8361159955,0cyclictest0-21swapper/321:22:073
8361159955,0cyclictest0-21swapper/321:20:003
8361159950,5cyclictest0-21swapper/321:00:233
8361159950,5cyclictest0-21swapper/320:10:003
835085250,3sleep30-21swapper/319:05:263
24942239850,2rtkit-daemon717-21lldpd23:10:210
892469240,3sleep1892481-21fw_packets21:30:161
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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