Re: [PATCH v8 04/18] perf ftrace: add option '-m/--buffer-size' to set per-cpu buffer size

From: Arnaldo Carvalho de Melo
Date: Fri Aug 14 2020 - 08:59:05 EST


Em Fri, Aug 14, 2020 at 09:12:50AM -0300, Arnaldo Carvalho de Melo escreveu:
> > It indicates that the argument is in units of 'pages', while you don't
> > state that in:
> >
> > $ perf ftrace -h -m
> >
> > -m, --buffer-size <size>
> > size of per cpu buffer

I did this already:

# perf ftrace -h -m

Usage: perf ftrace [<options>] [<command>]
or: perf ftrace [<options>] -- <command> [<options>]

-m, --buffer-size <size>
Size of per cpu buffer, needs to use a B, K, M or G suffix.

#

- Arnaldo