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2022-01-26 - 12:04

ARMv7 Processor rev 10 (v7l), Linux 5.15.8 (Profile)

Latency plot of system in rack #b, slot #7
Note that this system runs a non-RT kernel.
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l10000000 -m -n -a0 -t1 -p99 -i2000 -h4000 -q
Total number of samples: 10 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes, lowest P state: performance
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rackbslot7.osadl.org (updated Mon May 03, 2021 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1817921159,76sleep018218-21aten_rbpower_en19:05:160
1994099898,8cyclictest0-21swapper/222:55:032
1994099843,12cyclictest29429-21diskstats00:10:192
1993899835,51cyclictest0-21swapper/022:17:050
1937528344,27sleep20-21swapper/219:06:402
19940998211,12cyclictest0-21swapper/221:45:192
1994099818,10cyclictest0-21swapper/223:50:032
1994099804,11cyclictest28991-21fschecks_count21:05:222
1994099793,14cyclictest20753-21apt-get22:19:162
1994099793,12cyclictest30978-21grep00:15:172
1994099789,13cyclictest0-21swapper/222:40:022
1994099784,66cyclictest8426-21apt21:40:012
1994099784,16cyclictest23543-21cut20:50:562
1994099784,16cyclictest23543-21cut20:50:562
1994099783,14cyclictest17817-21grep22:05:222
1958827835,28sleep10-21swapper/119:09:111
1994099778,13cyclictest0-21swapper/219:30:032
1994099777,16cyclictest0-21swapper/221:15:252
1994099774,65cyclictest7134-21cron00:40:002
1994099774,17cyclictest13353-21aten_rbpower_cu23:25:182
1994099774,17cyclictest13353-21aten_rbpower_cu23:25:182
1994099774,12cyclictest9695-21latency_hist23:15:022
1994099773,11cyclictest1521-21copy00:23:042
326432760,5sleep20-21swapper/219:45:012
1994099769,19cyclictest0-21swapper/220:15:022
1994099767,12cyclictest0-21swapper/221:15:032
1994099765,64cyclictest0-21swapper/223:55:012
1994099765,64cyclictest0-21swapper/223:55:012
1994099765,61cyclictest0-21swapper/223:33:132
1994099764,16cyclictest22782-21latency19:15:292
1994099764,16cyclictest22782-21latency19:15:292
1994099763,13cyclictest5401-21idleruntime-cro00:35:002
19940997621,48cyclictest25512-21grep20:55:222
1994099759,10cyclictest0-21swapper/220:35:022
1994099758,61cyclictest0-21swapper/222:12:022
1994099754,13cyclictest27449-21aten_rbpower_cu00:05:162
1994099754,13cyclictest26071-21ls22:30:012
1994099754,12cyclictest30860-21modprobe19:40:002
1994099753,64cyclictest0-21swapper/219:15:012
1994099753,14cyclictest21938-21cut20:45:252
1993899757,39cyclictest0-21swapper/021:30:110
1994099747,13cyclictest0-21swapper/219:20:282
1994099747,12cyclictest0-21swapper/223:10:022
1994099747,10cyclictest0-21swapper/223:55:302
1994099746,62cyclictest0-21swapper/220:40:302
1994099745,12cyclictest13197-21grep20:20:262
1994099744,14cyclictest22872-21aten_rbpower_po22:20:182
1994099744,13cyclictest17606-21uname23:35:302
1994099744,11cyclictest9037-21fschecks_time21:40:242
1994099743,16cyclictest4261-21sendmail23:00:012
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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