linux-kernel - [tip:perfcounters/core] perf: Allow perf utilities to have "callback" options without arguments

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Date:	Sat, 19 Sep 2009 09:52:05 GMT
From:	tip-bot for Arjan van de Ven <arjan@...ux.intel.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org, paulus@...ba.org, hpa@...or.com,
	mingo@...hat.com, a.p.zijlstra@...llo.nl, arjan@...ux.intel.com,
	fweisbec@...il.com, tglx@...utronix.de, mingo@...e.hu
Subject: [tip:perfcounters/core] perf: Allow perf utilities to have "callback" options without arguments

Commit-ID:  a79d7db9fdb0037925ffa31f6ff9b189ff75d235
Gitweb:     http://git.kernel.org/tip/a79d7db9fdb0037925ffa31f6ff9b189ff75d235
Author:     Arjan van de Ven <arjan@...ux.intel.com>
AuthorDate: Sat, 12 Sep 2009 07:52:54 +0200
Committer:  Ingo Molnar <mingo@...e.hu>
CommitDate: Sat, 19 Sep 2009 11:42:11 +0200

perf: Allow perf utilities to have "callback" options without arguments

timechart needs to add a "callback" type command line argument that
does not take arguments.

This patch adds the parse-options.h infrastructure to make this
possible.

Signed-off-by: Arjan van de Ven <arjan@...ux.intel.com>
Acked-by: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Frederic Weisbecker <fweisbec@...il.com>
LKML-Reference: <20090912130440.548666c1@...radead.org>
Signed-off-by: Ingo Molnar <mingo@...e.hu>


---
 tools/perf/util/parse-options.h |    2 ++
 1 files changed, 2 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/parse-options.h b/tools/perf/util/parse-options.h
index 8aa3464..2ee248f 100644
--- a/tools/perf/util/parse-options.h
+++ b/tools/perf/util/parse-options.h
@@ -104,6 +104,8 @@ struct option {
 	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), .argh = "time", .help = (h), .callback = parse_opt_approxidate_cb }
 #define OPT_CALLBACK(s, l, v, a, h, f) \
 	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f) }
+#define OPT_CALLBACK_NOOPT(s, l, v, a, h, f) \
+	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .flags = PARSE_OPT_NOARG }
 #define OPT_CALLBACK_DEFAULT(s, l, v, a, h, f, d) \
 	{ .type = OPTION_CALLBACK, .short_name = (s), .long_name = (l), .value = (v), (a), .help = (h), .callback = (f), .defval = (intptr_t)d, .flags = PARSE_OPT_LASTARG_DEFAULT }
 
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