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From: Arnaldo Carvalho de Melo <acme@kernel.org>
To: Changbin Du <changbin.du@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>,
	Peter Zijlstra <peterz@infradead.org>,
	Ingo Molnar <mingo@redhat.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Steven Rostedt <rostedt@goodmis.org>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v8 04/18] perf ftrace: add option '-m/--buffer-size' to set per-cpu buffer size
Date: Fri, 14 Aug 2020 09:58:59 -0300	[thread overview]
Message-ID: <20200814125859.GH13995@kernel.org> (raw)
In-Reply-To: <20200814121250.GX13995@kernel.org>

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

  reply	other threads:[~2020-08-14 12:59 UTC|newest]

Thread overview: 36+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-08  2:31 [PATCH v8 00/18] [PATCH v7 00/18] perf: ftrace enhancement Changbin Du
2020-08-08  2:31 ` [PATCH v8 01/18] perf ftrace: select function/function_graph tracer automatically Changbin Du
2020-08-08  2:31 ` [PATCH v8 02/18] perf ftrace: add option '-F/--funcs' to list available functions Changbin Du
2020-08-14 11:35   ` Arnaldo Carvalho de Melo
2020-08-20 15:18     ` Changbin Du
2020-08-08  2:31 ` [PATCH v8 03/18] perf ftrace: factor out function write_tracing_file_int() Changbin Du
2020-08-08  2:31 ` [PATCH v8 04/18] perf ftrace: add option '-m/--buffer-size' to set per-cpu buffer size Changbin Du
2020-08-14 11:53   ` Arnaldo Carvalho de Melo
2020-08-14 12:12     ` Arnaldo Carvalho de Melo
2020-08-14 12:58       ` Arnaldo Carvalho de Melo [this message]
2020-08-08  2:31 ` [PATCH v8 05/18] perf ftrace: show trace column header Changbin Du
2020-08-14 11:56   ` Arnaldo Carvalho de Melo
2020-08-14 11:57     ` Arnaldo Carvalho de Melo
2020-08-08  2:31 ` [PATCH v8 06/18] perf ftrace: add option '--inherit' to trace children processes Changbin Du
2020-08-14 12:12   ` Arnaldo Carvalho de Melo
2020-08-08  2:31 ` [PATCH v8 07/18] perf: util: add general function to parse sublevel options Changbin Du
2020-08-08  2:31 ` [PATCH v8 08/18] perf ftrace: add support for tracing option 'func_stack_trace' Changbin Du
2020-08-14 12:24   ` Arnaldo Carvalho de Melo
2020-08-20 15:15     ` Changbin Du
2020-08-08  2:31 ` [PATCH v8 09/18] perf ftrace: add support for trace option sleep-time Changbin Du
2020-08-14 12:26   ` Arnaldo Carvalho de Melo
2020-08-08  2:31 ` [PATCH v8 10/18] perf ftrace: add support for trace option funcgraph-irqs Changbin Du
2020-08-14 12:27   ` Arnaldo Carvalho de Melo
2020-08-08  2:31 ` [PATCH v8 11/18] perf ftrace: add support for tracing option 'irq-info' Changbin Du
2020-08-14 12:28   ` Arnaldo Carvalho de Melo
2020-08-20 15:09     ` Changbin Du
2020-08-08  2:31 ` [PATCH v8 12/18] perf ftrace: add option 'verbose' to show more info for graph tracer Changbin Du
2020-08-08  2:31 ` [PATCH v8 13/18] perf ftrace: add support for trace option tracing_thresh Changbin Du
2020-08-14 12:33   ` Arnaldo Carvalho de Melo
2020-08-20 15:08     ` Changbin Du
2020-08-08  2:31 ` [PATCH v8 14/18] perf: ftrace: allow set graph depth by '--graph-opts' Changbin Du
2020-08-08  2:31 ` [PATCH v8 15/18] perf ftrace: add option -D/--delay to delay tracing Changbin Du
2020-08-08  2:31 ` [PATCH v8 16/18] perf ftrace: add option --tid to filter by thread id Changbin Du
2020-08-08  2:31 ` [PATCH v8 17/18] perf: ftrace: Add set_tracing_options() to set all trace options Changbin Du
2020-08-08  2:31 ` [PATCH v8 18/18] perf ftrace: add change log Changbin Du
2020-08-14 12:38 ` [PATCH v8 00/18] [PATCH v7 00/18] perf: ftrace enhancement Arnaldo Carvalho de Melo

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