NAME
perf-mem - Profile memory accessesSYNOPSIS
perf mem [<options>] (record [<command>] | report)
DESCRIPTION
"perf mem record" runs a command and gathers memory operation data from it, into perf.data. Perf record options are accepted and are passed through.OPTIONS
<command>...Any command you can specify in a shell.
Input file name.
Don’t do ownership validation
Select the memory operation type: load or
store (default: load,store)
Dump the raw decoded samples on the screen in
a format that is easy to parse with one sample per line.
Specify the field separator used when dump raw
samples (-D option). By default, The separator is the space character.
Monitor only on the list of CPUs provided.
Multiple CPUs can be provided as a comma-separated list with no space: 0,1.
Ranges of CPUs are specified with -: 0-2. Default is to monitor all
CPUS.
Only display entries resolved to a
symbol.
Record/Report sample physical addresses
Record/Report sample data address page
size
RECORD OPTIONS
-e, --event <event>Event selector. Use perf mem record -e
list to list available events.
Configure all used events to run in kernel
space.
Configure all used events to run in user
space.
Be more verbose (show counter open errors,
etc)
Specify desired latency for loads event.
Supported on Intel and Arm64 processors only. Ignored on other archs.
SEE ALSO
perf-record(1), perf-report(1)2024-06-21 | perf |