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2023-06-10 - 10:32

ARM TI OMAP3359 @1000 MHz, Linux 4.19.94-rt39 (Profile)

Latency plot of system in rack #7, slot #8
Data to construct the above plot have been generated using the RT test utility cyclictest.
Command line: cyclictest -l100000000 -m -Sp99 -i200 -h400 -q
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 rack7slot8 (updated Sat Jun 10, 2023 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
14275220618,47sleep00-21swapper/019:07:470
146059917240,28cyclictest9645-21mailstats23:06:320
146059916639,24cyclictest1317-21runrttasks23:54:000
146059916445,14cyclictest29738-21basename00:25:200
146059915823,14cyclictest27289-21latency_hist22:10:040
14605991567,21cyclictest30243-21/usr/sbin/munin20:10:550
146059915559,11cyclictest101ktimersoftd/020:55:390
146059915444,19cyclictest6248-21runrttasks20:45:390
146059915155,14cyclictest25271-21/usr/sbin/munin19:50:570
146059914826,43cyclictest26302-21ntp_states19:55:520
14605991437,39cyclictest11370-21apt-get23:16:360
1460599138113,15cyclictest0-21swapper/019:10:050
2052211715,86sleep02061-21munin-run20:30:000
17310210811,86sleep017373-21/usr/sbin/munin19:20:200
1234421045,12sleep012356-21munin-run21:10:010
270992995,82sleep027101-21irqstats00:15:340
200042995,82sleep019690-21/usr/sbin/munin19:30:430
126532995,80sleep012673-21df21:10:260
236532965,81sleep027452-21snmpd21:55:050
302352945,76sleep030244-21memory22:20:400
199122946,76sleep019921-21users23:45:530
14605999148,29cyclictest3650irq/20-4900000023:20:200
232872895,74sleep027452-21snmpd19:45:000
187692889,68sleep018770-21memory19:25:420
14605998834,18cyclictest17813-21sshd21:30:380
316302864,7sleep00-21swapper/000:31:580
233732865,70sleep023375-21irqstats00:00:340
14605998451,23cyclictest0-21swapper/022:55:230
14605998450,25cyclictest0-21swapper/000:10:250
14605998441,29cyclictest3650irq/20-4900000023:15:060
1460599838,39cyclictest27452-21snmpd22:36:250
14605998362,12cyclictest101ktimersoftd/021:45:210
14605998347,27cyclictest0-21swapper/023:25:260
14605998338,32cyclictest10250irq/56-4a10000021:26:530
14605998325,14cyclictest19190-21latency_hist23:45:040
14605998323,26cyclictest786-21latency_hist20:25:040
14605998240,28cyclictest3650irq/20-4900000020:30:310
14605998149,15cyclictest10150irq/55-4a10000021:01:400
14605998133,32cyclictest7532-21wget23:00:160
14605998130,34cyclictest22935-21sendmail-msp00:00:020
1460599807,23cyclictest7576-21runrttasks20:50:490
14605998054,17cyclictest31391-21/usr/sbin/munin22:25:310
14605998010,31cyclictest3667-21fw_conntrack20:35:330
2930227916,53sleep02075-21node20:08:200
1460599799,16cyclictest4893-21diskstats20:40:240
14605997948,13cyclictest10150irq/55-4a10000022:45:380
14605997946,15cyclictest10150irq/55-4a10000021:35:230
1460599794,39cyclictest17215-21ntp_states23:35:440
1460599787,18cyclictest1317-21runrttasks22:15:060
14605997848,13cyclictest10150irq/55-4a10000021:54:570
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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