linux-kernel - [PATCH 07/13] perf tools: Do not show trace command if it's not compiled in

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Message-Id: <1452158050-28061-8-git-send-email-jolsa@kernel.org>
Date:	Thu,  7 Jan 2016 10:14:04 +0100
From:	Jiri Olsa <jolsa@...nel.org>
To:	Arnaldo Carvalho de Melo <acme@...nel.org>
Cc:	lkml <linux-kernel@...r.kernel.org>,
	David Ahern <dsahern@...il.com>,
	Ingo Molnar <mingo@...nel.org>,
	Namhyung Kim <namhyung@...nel.org>,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Noel Grandin <noelgrandin@...il.com>,
	Adrian Hunter <adrian.hunter@...el.com>
Subject: [PATCH 07/13] perf tools: Do not show trace command if it's not compiled in

The trace command still appears in help message when you
run simple 'perf' command.

It's because the generate-cmdlist.sh does not care about the
HAVE_LIBAUDIT_SUPPORT dependency of trace command and puts
it into generated common_cmds array.

Wrapping trace command under HAVE_LIBAUDIT_SUPPORT dependency,
which will exclude it from common_cmds array if HAVE_LIBAUDIT_SUPPORT
is not set.

Link: http://lkml.kernel.org/n/tip-eys6x7vq4y9363s2wkjwan3k@git.kernel.org
Signed-off-by: Jiri Olsa <jolsa@...nel.org>
---
 tools/perf/command-list.txt         |  2 +-
 tools/perf/util/generate-cmdlist.sh | 15 +++++++++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/tools/perf/command-list.txt b/tools/perf/command-list.txt
index acc3ea7d90b7..ab5cbaa170d0 100644
--- a/tools/perf/command-list.txt
+++ b/tools/perf/command-list.txt
@@ -26,4 +26,4 @@ perf-stat			mainporcelain common
 perf-test			mainporcelain common
 perf-timechart			mainporcelain common
 perf-top			mainporcelain common
-perf-trace			mainporcelain common
+perf-trace			mainporcelain audit
diff --git a/tools/perf/util/generate-cmdlist.sh b/tools/perf/util/generate-cmdlist.sh
index 36a885d2cd22..0ac2037c970c 100755
--- a/tools/perf/util/generate-cmdlist.sh
+++ b/tools/perf/util/generate-cmdlist.sh
@@ -36,4 +36,19 @@ do
      }' "Documentation/perf-$cmd.txt"
 done
 echo "#endif /* HAVE_LIBELF_SUPPORT */"
+
+echo "#ifdef HAVE_LIBAUDIT_SUPPORT"
+sed -n -e 's/^perf-\([^ 	]*\)[ 	].* audit*/\1/p' command-list.txt |
+sort |
+while read cmd
+do
+     sed -n '
+     /^NAME/,/perf-'"$cmd"'/H
+     ${
+            x
+            s/.*perf-'"$cmd"' - \(.*\)/  {"'"$cmd"'", "\1"},/
+	    p
+     }' "Documentation/perf-$cmd.txt"
+done
+echo "#endif /* HAVE_LIBELF_SUPPORT */"
 echo "};"
-- 
2.4.3

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