linux-kernel - [PATCH 5.4 123/129] perf record: Correct the help info of option "--no-bpf-event"

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Date:   Tue,  8 Sep 2020 17:26:04 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Wei Li <liwei391@...wei.com>,
        Song Liu <songliubraving@...com>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Hanjun Guo <guohanjun@...wei.com>,
        Jiri Olsa <jolsa@...hat.com>, Li Bin <huawei.libin@...wei.com>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH 5.4 123/129] perf record: Correct the help info of option "--no-bpf-event"

From: Wei Li <liwei391@...wei.com>

commit a060c1f12b525ba828f871eff3127dabf8daa1e6 upstream.

The help info of option "--no-bpf-event" is wrongly described as "record
bpf events", correct it.

Committer testing:

  $ perf record -h bpf

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

          --clang-opt <clang options>
                            options passed to clang when compiling BPF scriptlets
          --clang-path <clang path>
                            clang binary to use for compiling BPF scriptlets
          --no-bpf-event    do not record bpf events

  $

Fixes: 71184c6ab7e6 ("perf record: Replace option --bpf-event with --no-bpf-event")
Signed-off-by: Wei Li <liwei391@...wei.com>
Acked-by: Song Liu <songliubraving@...com>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Hanjun Guo <guohanjun@...wei.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Li Bin <huawei.libin@...wei.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Namhyung Kim <namhyung@...nel.org>
Link: http://lore.kernel.org/lkml/20200819031947.12115-1-liwei391@huawei.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

---
 tools/perf/builtin-record.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -2137,7 +2137,7 @@ static struct option __record_options[]
 	OPT_BOOLEAN(0, "tail-synthesize", &record.opts.tail_synthesize,
 		    "synthesize non-sample events at the end of output"),
 	OPT_BOOLEAN(0, "overwrite", &record.opts.overwrite, "use overwrite mode"),
-	OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "record bpf events"),
+	OPT_BOOLEAN(0, "no-bpf-event", &record.opts.no_bpf_event, "do not record bpf events"),
 	OPT_BOOLEAN(0, "strict-freq", &record.opts.strict_freq,
 		    "Fail if the specified frequency can't be used"),
 	OPT_CALLBACK('F', "freq", &record.opts, "freq or 'max'",