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Diffstat (limited to 'tools/perf/Documentation/perf-mem.txt')
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diff --git a/tools/perf/Documentation/perf-mem.txt b/tools/perf/Documentation/perf-mem.txt new file mode 100644 index 000000000000..888d51137fbe --- /dev/null +++ b/tools/perf/Documentation/perf-mem.txt @@ -0,0 +1,48 @@ +perf-mem(1) +=========== + +NAME +---- +perf-mem - Profile memory accesses + +SYNOPSIS +-------- +[verse] +'perf mem' [<options>] (record [<command>] | report) + +DESCRIPTION +----------- +"perf mem -t <TYPE> record" runs a command and gathers memory operation data +from it, into perf.data. Perf record options are accepted and are passed through. + +"perf mem -t <TYPE> report" displays the result. It invokes perf report with the +right set of options to display a memory access profile. + +OPTIONS +------- +<command>...:: + Any command you can specify in a shell. + +-t:: +--type=:: + Select the memory operation type: load or store (default: load) + +-D:: +--dump-raw-samples=:: + Dump the raw decoded samples on the screen in a format that is easy to parse with + one sample per line. + +-x:: +--field-separator:: + Specify the field separator used when dump raw samples (-D option). By default, + The separator is the space character. + +-C:: +--cpu-list:: + Restrict dump of raw samples to those provided via this option. Note that the same + option can be passed in record mode. It will be interpreted the same way as perf + record. + +SEE ALSO +-------- +linkperf:perf-record[1], linkperf:perf-report[1] |