linux-kernel - [PATCH RESEND] perf record: Fix documentation for a disused option '-l'

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Message-Id: <1507907412-19813-1-git-send-email-treeze.taeung@gmail.com>
Date:   Sat, 14 Oct 2017 00:10:12 +0900
From:   Taeung Song <treeze.taeung@...il.com>
To:     Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:     linux-kernel@...r.kernel.org, taeung@...slab.kr,
        Jiri Olsa <jolsa@...nel.org>,
        Namhyung Kim <namhyung@...nel.org>
Subject: [PATCH RESEND] perf record: Fix documentation for a disused option '-l'

perf-record had a '-l' option that mean "scale counter values"
very long time ago, but it currently belong to perf-stat as '-c'.
So remove it. I found this problem in the below case.

    $ perf record -e cycles -l sleep 3
      Error: unknown switch `l

Cc: Jiri Olsa <jolsa@...nel.org>
Cc: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Taeung Song <treeze.taeung@...il.com>
---
 tools/perf/Documentation/perf-record.txt | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt
index 68a1ffb..5a626ef 100644
--- a/tools/perf/Documentation/perf-record.txt
+++ b/tools/perf/Documentation/perf-record.txt
@@ -8,8 +8,8 @@ perf-record - Run a command and record its profile into perf.data
 SYNOPSIS
 --------
 [verse]
-'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] <command>
-'perf record' [-e <EVENT> | --event=EVENT] [-l] [-a] -- <command> [<options>]
+'perf record' [-e <EVENT> | --event=EVENT] [-a] <command>
+'perf record' [-e <EVENT> | --event=EVENT] [-a] -- <command> [<options>]
 
 DESCRIPTION
 -----------
-- 
2.7.4