linux-kernel - Re: [PATCH 3/4] perf tools: Add a option 'all' to perf-config.

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Date:	Mon, 4 May 2015 21:16:44 +0200
From:	Jiri Olsa <jolsa@...hat.com>
To:	Taeung Song <treeze.taeung@...il.com>
Cc:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org, namhyung@...nel.org
Subject: Re: [PATCH 3/4] perf tools: Add a option 'all' to perf-config.

On Mon, Apr 27, 2015 at 03:34:25PM +0900, Taeung Song wrote:

SNIP

> +static int merge_config(const char *var, const char *value,
> +			void *cb __maybe_unused)
> +{
> +	const char *section_name, *subkey;
> +	parse_key(var, &section_name, &subkey);
> +	return set_config(section_name, subkey, value);
> +}
> +
> +static int show_all_config(void)
> +{
> +	int ret = 0;
> +	struct config_section *section_node;
> +	struct config_element *element_node;
> +	char *pwd, *all_config;
> +
> +	pwd = getenv("PWD");
> +	all_config = strdup(mkpath("%s/util/PERFCONFIG-DEFAULT", pwd));

so we could compile defaultconfig directly into perf
via following change

maybe the PERFCONFIG-DEFAULT could be in perf root dir

also I'm not sure if xxd is common enough to be used,
maybe there's some common way used in kernel build already

jirka


---
diff --git a/tools/build/Makefile.build b/tools/build/Makefile.build
index 10df57237a66..888a1d344be2 100644
--- a/tools/build/Makefile.build
+++ b/tools/build/Makefile.build
@@ -41,6 +41,7 @@ include $(build-file)
 
 quiet_cmd_flex  = FLEX     $@
 quiet_cmd_bison = BISON    $@
+quiet_cmd_xxd   = XXD      $@
 
 # Create directory unless it exists
 quiet_cmd_mkdir = MKDIR    $(dir $@)
diff --git a/tools/perf/Build b/tools/perf/Build
index 3c1f4371c95a..614a9013d401 100644
--- a/tools/perf/Build
+++ b/tools/perf/Build
@@ -43,3 +43,8 @@ libperf-y += ui/
 libperf-y += scripts/
 
 gtk-y += ui/gtk/
+
+$(OUTPUT)builtin-config.o: $(OUTPUT)util/PERFCONFIG-DEFAULT.h
+
+$(OUTPUT)util/PERFCONFIG-DEFAULT.h: $(OUTPUT)util/PERFCONFIG-DEFAULT
+	@$(call echo-cmd,xxd)xxd -i $< > $@
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index a67aea314180..a3678cfca4dd 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -12,6 +12,7 @@
 #include "util/parse-options.h"
 #include "util/util.h"
 #include "util/debug.h"
+#include "util/PERFCONFIG-DEFAULT.h"
 
 static struct {
 	bool list_action;
--
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