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[PATCH v8 3/4] perf config: Prepare all default configs

Started byTaeung Song <treeze.taeung@gmail.com>
First post2016-04-14 10:00 +0200
Last post2016-04-14 18:50 +0200
Articles 3 — 2 participants

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  [PATCH v8 3/4] perf config: Prepare all default configs Taeung Song <treeze.taeung@gmail.com> - 2016-04-14 10:00 +0200
    Re: [PATCH v8 3/4] perf config: Prepare all default configs Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-04-14 14:20 +0200
      Re: [PATCH v8 3/4] perf config: Prepare all default configs Taeung Song <treeze.taeung@gmail.com> - 2016-04-14 18:50 +0200

#1378559 — [PATCH v8 3/4] perf config: Prepare all default configs

FromTaeung Song <treeze.taeung@gmail.com>
Date2016-04-14 10:00 +0200
Subject[PATCH v8 3/4] perf config: Prepare all default configs
Message-ID<rnKlX-6Jd-3@gated-at.bofh.it>
To precisely manage configs,
prepare all default perf's configs that contain
default section name, variable name, value
and correct type, not string type.

In the near future, this will be used when
checking type of config variable or showing
all configs with default values, etc.

Acked-by: Namhyung Kim <namhyung@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
---
 tools/perf/util/config.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++-
 tools/perf/util/config.h |  62 +++++++++++++++++++++++++-
 2 files changed, 168 insertions(+), 4 deletions(-)

diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
index dad7d82..5604392 100644
--- a/tools/perf/util/config.c
+++ b/tools/perf/util/config.c
@@ -15,6 +15,7 @@
 #include "util/llvm-utils.h"   /* perf_llvm_config */
 #include "config.h"
 
+#define MAX_CONFIGS 64
 #define MAXNAME (256)
 
 #define DEBUG_CACHE_DIR ".debug"
@@ -29,6 +30,111 @@ static int config_file_eof;
 
 const char *config_exclusive_filename;
 
+struct perf_config_section default_sections[] = {
+	{ .name = "colors" },
+	{ .name = "tui" },
+	{ .name = "buildid" },
+	{ .name = "annotate" },
+	{ .name = "gtk" },
+	{ .name = "pager" },
+	{ .name = "help" },
+	{ .name = "hist" },
+	{ .name = "ui" },
+	{ .name = "call-graph" },
+	{ .name = "report" },
+	{ .name = "top" },
+	{ .name = "man" },
+	{ .name = "kmem" }
+};
+
+struct perf_config_item default_config_items[][MAX_CONFIGS] = {
+	[CONFIG_COLORS] = {
+		CONF_STR_VAR("top", "red, default"),
+		CONF_STR_VAR("medium", "green, default"),
+		CONF_STR_VAR("normal", "lightgray, default"),
+		CONF_STR_VAR("selected", "white, lightgray"),
+		CONF_STR_VAR("jump_arrows", "blue, default"),
+		CONF_STR_VAR("addr", "magenta, default"),
+		CONF_STR_VAR("root", "white, blue"),
+		CONF_END()
+	},
+	[CONFIG_TUI] = {
+		CONF_BOOL_VAR("report", true),
+		CONF_BOOL_VAR("annotate", true),
+		CONF_BOOL_VAR("top", true),
+		CONF_END()
+	},
+	[CONFIG_BUILDID] = {
+		CONF_STR_VAR("dir", "~/.debug"),
+		CONF_END()
+	},
+	[CONFIG_ANNOTATE] = {
+		CONF_BOOL_VAR("hide_src_code", false),
+		CONF_BOOL_VAR("use_offset", true),
+		CONF_BOOL_VAR("jump_arrows", true),
+		CONF_BOOL_VAR("show_nr_jumps", false),
+		CONF_BOOL_VAR("show_linenr", false),
+		CONF_BOOL_VAR("show_total_period", false),
+		CONF_END()
+	},
+	[CONFIG_GTK] = {
+		CONF_BOOL_VAR("annotate", false),
+		CONF_BOOL_VAR("report", false),
+		CONF_BOOL_VAR("top", false),
+		CONF_END()
+	},
+	[CONFIG_PAGER] = {
+		CONF_BOOL_VAR("cmd", true),
+		CONF_BOOL_VAR("report", true),
+		CONF_BOOL_VAR("annotate", true),
+		CONF_BOOL_VAR("top", true),
+		CONF_BOOL_VAR("diff", true),
+		CONF_END()
+	},
+	[CONFIG_HELP] = {
+		CONF_STR_VAR("format", "man"),
+		CONF_INT_VAR("autocorrect", 0),
+		CONF_END()
+	},
+	[CONFIG_HIST] = {
+		CONF_STR_VAR("percentage", "absolute"),
+		CONF_END()
+	},
+	[CONFIG_UI] = {
+		CONF_BOOL_VAR("show-headers", true),
+		CONF_END()
+	},
+	[CONFIG_CALL_GRAPH] = {
+		CONF_STR_VAR("record-mode", "fp"),
+		CONF_LONG_VAR("dump-size", 8192),
+		CONF_STR_VAR("print-type", "graph"),
+		CONF_STR_VAR("order", "callee"),
+		CONF_STR_VAR("sort-key", "function"),
+		CONF_DOUBLE_VAR("threshold", 0.5),
+		CONF_LONG_VAR("print-limit", 0),
+		CONF_END()
+	},
+	[CONFIG_REPORT] = {
+		CONF_BOOL_VAR("group", true),
+		CONF_BOOL_VAR("children", true),
+		CONF_FLOAT_VAR("percent-limit", 0),
+		CONF_U64_VAR("queue-size", 0),
+		CONF_END()
+	},
+	[CONFIG_TOP] = {
+		CONF_BOOL_VAR("children", true),
+		CONF_END()
+	},
+	[CONFIG_MAN] = {
+		CONF_STR_VAR("viewer", "man"),
+		CONF_END()
+	},
+	[CONFIG_KMEM] = {
+		CONF_STR_VAR("default", "slab"),
+		CONF_END()
+	}
+};
+
 static int get_next_char(void)
 {
 	int c;
@@ -659,7 +765,7 @@ struct perf_config_set *perf_config_set__new(void)
 
 static void perf_config_item__delete(struct perf_config_item *item)
 {
-	zfree(&item->name);
+	zfree((char **)&item->name);
 	zfree(&item->value);
 	free(item);
 }
@@ -677,7 +783,7 @@ static void perf_config_section__purge(struct perf_config_section *section)
 static void perf_config_section__delete(struct perf_config_section *section)
 {
 	perf_config_section__purge(section);
-	zfree(&section->name);
+	zfree((char **)&section->name);
 	free(section);
 }
 
diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h
index 22ec626..84dcc1d 100644
--- a/tools/perf/util/config.h
+++ b/tools/perf/util/config.h
@@ -4,14 +4,34 @@
 #include <stdbool.h>
 #include <linux/list.h>
 
+enum perf_config_type {
+	CONFIG_TYPE_BOOL,
+	CONFIG_TYPE_INT,
+	CONFIG_TYPE_LONG,
+	CONFIG_TYPE_U64,
+	CONFIG_TYPE_FLOAT,
+	CONFIG_TYPE_DOUBLE,
+	CONFIG_TYPE_STRING
+};
+
 struct perf_config_item {
-	char *name;
+	const char *name;
 	char *value;
+	union {
+		bool b;
+		int i;
+		u32 l;
+		u64 ll;
+		float f;
+		double d;
+		const char *s;
+	} default_value;
+	enum perf_config_type type;
 	struct list_head node;
 };
 
 struct perf_config_section {
-	char *name;
+	const char *name;
 	struct list_head items;
 	struct list_head node;
 };
@@ -20,6 +40,44 @@ struct perf_config_set {
 	struct list_head sections;
 };
 
+enum perf_config_secion_idx {
+	CONFIG_COLORS,
+	CONFIG_TUI,
+	CONFIG_BUILDID,
+	CONFIG_ANNOTATE,
+	CONFIG_GTK,
+	CONFIG_PAGER,
+	CONFIG_HELP,
+	CONFIG_HIST,
+	CONFIG_UI,
+	CONFIG_CALL_GRAPH,
+	CONFIG_REPORT,
+	CONFIG_TOP,
+	CONFIG_MAN,
+	CONFIG_KMEM,
+	CONFIG_END
+};
+
+#define CONF_VAR(_name, _field, _val, _type)				\
+	{ .name = _name, .default_value._field = _val, .type = _type }
+
+#define CONF_BOOL_VAR(_name, _val)			\
+	CONF_VAR(_name, b, _val, CONFIG_TYPE_BOOL)
+#define CONF_INT_VAR(_name, _val)			\
+	CONF_VAR(_name, i, _val, CONFIG_TYPE_INT)
+#define CONF_LONG_VAR(_name, _val)			\
+	CONF_VAR(_name, l, _val, CONFIG_TYPE_LONG)
+#define CONF_U64_VAR(_name, _val)			\
+	CONF_VAR(_name, ll, _val, CONFIG_TYPE_U64)
+#define CONF_FLOAT_VAR(_name, _val)			\
+	CONF_VAR(_name, f, _val, CONFIG_TYPE_FLOAT)
+#define CONF_DOUBLE_VAR(_name, _val)			\
+	CONF_VAR(_name, d, _val, CONFIG_TYPE_DOUBLE)
+#define CONF_STR_VAR(_name, _val)			\
+	CONF_VAR(_name, s, _val, CONFIG_TYPE_STRING)
+#define CONF_END()					\
+	{ .name = NULL }
+
 struct perf_config_set *perf_config_set__new(void);
 void perf_config_set__delete(struct perf_config_set *set);
 
-- 
2.5.0

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#1378756

FromArnaldo Carvalho de Melo <acme@kernel.org>
Date2016-04-14 14:20 +0200
Message-ID<rnOpB-1sB-23@gated-at.bofh.it>
In reply to#1378559
Em Thu, Apr 14, 2016 at 04:53:20PM +0900, Taeung Song escreveu:
> To precisely manage configs,
> prepare all default perf's configs that contain
> default section name, variable name, value
> and correct type, not string type.
> 
> In the near future, this will be used when
> checking type of config variable or showing
> all configs with default values, etc.
> 
> Acked-by: Namhyung Kim <namhyung@kernel.org>
> Cc: Masami Hiramatsu <mhiramat@kernel.org>
> Cc: Jiri Olsa <jolsa@kernel.org>
> Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
> ---
>  tools/perf/util/config.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++-
>  tools/perf/util/config.h |  62 +++++++++++++++++++++++++-
>  2 files changed, 168 insertions(+), 4 deletions(-)
> 
> diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
> index dad7d82..5604392 100644
> --- a/tools/perf/util/config.c
> +++ b/tools/perf/util/config.c
> @@ -15,6 +15,7 @@
>  #include "util/llvm-utils.h"   /* perf_llvm_config */
>  #include "config.h"
>  
> +#define MAX_CONFIGS 64

Do we have to add another arbitrary maximum? Where is it used?

>  #define MAXNAME (256)
>  
>  #define DEBUG_CACHE_DIR ".debug"
> @@ -29,6 +30,111 @@ static int config_file_eof;
>  
>  const char *config_exclusive_filename;
>  
> +struct perf_config_section default_sections[] = {
> +	{ .name = "colors" },
> +	{ .name = "tui" },
> +	{ .name = "buildid" },
> +	{ .name = "annotate" },
> +	{ .name = "gtk" },
> +	{ .name = "pager" },
> +	{ .name = "help" },
> +	{ .name = "hist" },
> +	{ .name = "ui" },
> +	{ .name = "call-graph" },
> +	{ .name = "report" },
> +	{ .name = "top" },
> +	{ .name = "man" },
> +	{ .name = "kmem" }
> +};
> +
> +struct perf_config_item default_config_items[][MAX_CONFIGS] = {
> +	[CONFIG_COLORS] = {
> +		CONF_STR_VAR("top", "red, default"),
> +		CONF_STR_VAR("medium", "green, default"),
> +		CONF_STR_VAR("normal", "lightgray, default"),
> +		CONF_STR_VAR("selected", "white, lightgray"),
> +		CONF_STR_VAR("jump_arrows", "blue, default"),
> +		CONF_STR_VAR("addr", "magenta, default"),
> +		CONF_STR_VAR("root", "white, blue"),
> +		CONF_END()
> +	},
> +	[CONFIG_TUI] = {
> +		CONF_BOOL_VAR("report", true),
> +		CONF_BOOL_VAR("annotate", true),
> +		CONF_BOOL_VAR("top", true),
> +		CONF_END()
> +	},
> +	[CONFIG_BUILDID] = {
> +		CONF_STR_VAR("dir", "~/.debug"),
> +		CONF_END()
> +	},
> +	[CONFIG_ANNOTATE] = {
> +		CONF_BOOL_VAR("hide_src_code", false),
> +		CONF_BOOL_VAR("use_offset", true),
> +		CONF_BOOL_VAR("jump_arrows", true),
> +		CONF_BOOL_VAR("show_nr_jumps", false),
> +		CONF_BOOL_VAR("show_linenr", false),
> +		CONF_BOOL_VAR("show_total_period", false),
> +		CONF_END()
> +	},
> +	[CONFIG_GTK] = {
> +		CONF_BOOL_VAR("annotate", false),
> +		CONF_BOOL_VAR("report", false),
> +		CONF_BOOL_VAR("top", false),
> +		CONF_END()
> +	},
> +	[CONFIG_PAGER] = {
> +		CONF_BOOL_VAR("cmd", true),
> +		CONF_BOOL_VAR("report", true),
> +		CONF_BOOL_VAR("annotate", true),
> +		CONF_BOOL_VAR("top", true),
> +		CONF_BOOL_VAR("diff", true),
> +		CONF_END()
> +	},
> +	[CONFIG_HELP] = {
> +		CONF_STR_VAR("format", "man"),
> +		CONF_INT_VAR("autocorrect", 0),
> +		CONF_END()
> +	},
> +	[CONFIG_HIST] = {
> +		CONF_STR_VAR("percentage", "absolute"),
> +		CONF_END()
> +	},
> +	[CONFIG_UI] = {
> +		CONF_BOOL_VAR("show-headers", true),
> +		CONF_END()
> +	},
> +	[CONFIG_CALL_GRAPH] = {
> +		CONF_STR_VAR("record-mode", "fp"),
> +		CONF_LONG_VAR("dump-size", 8192),
> +		CONF_STR_VAR("print-type", "graph"),
> +		CONF_STR_VAR("order", "callee"),
> +		CONF_STR_VAR("sort-key", "function"),
> +		CONF_DOUBLE_VAR("threshold", 0.5),
> +		CONF_LONG_VAR("print-limit", 0),
> +		CONF_END()
> +	},
> +	[CONFIG_REPORT] = {
> +		CONF_BOOL_VAR("group", true),
> +		CONF_BOOL_VAR("children", true),
> +		CONF_FLOAT_VAR("percent-limit", 0),
> +		CONF_U64_VAR("queue-size", 0),
> +		CONF_END()
> +	},
> +	[CONFIG_TOP] = {
> +		CONF_BOOL_VAR("children", true),
> +		CONF_END()
> +	},
> +	[CONFIG_MAN] = {
> +		CONF_STR_VAR("viewer", "man"),
> +		CONF_END()
> +	},
> +	[CONFIG_KMEM] = {
> +		CONF_STR_VAR("default", "slab"),
> +		CONF_END()
> +	}
> +};
> +
>  static int get_next_char(void)
>  {
>  	int c;
> @@ -659,7 +765,7 @@ struct perf_config_set *perf_config_set__new(void)
>  
>  static void perf_config_item__delete(struct perf_config_item *item)
>  {
> -	zfree(&item->name);
> +	zfree((char **)&item->name);
>  	zfree(&item->value);
>  	free(item);
>  }
> @@ -677,7 +783,7 @@ static void perf_config_section__purge(struct perf_config_section *section)
>  static void perf_config_section__delete(struct perf_config_section *section)
>  {
>  	perf_config_section__purge(section);
> -	zfree(&section->name);
> +	zfree((char **)&section->name);
>  	free(section);
>  }
>  
> diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h
> index 22ec626..84dcc1d 100644
> --- a/tools/perf/util/config.h
> +++ b/tools/perf/util/config.h
> @@ -4,14 +4,34 @@
>  #include <stdbool.h>
>  #include <linux/list.h>
>  
> +enum perf_config_type {
> +	CONFIG_TYPE_BOOL,
> +	CONFIG_TYPE_INT,
> +	CONFIG_TYPE_LONG,
> +	CONFIG_TYPE_U64,
> +	CONFIG_TYPE_FLOAT,
> +	CONFIG_TYPE_DOUBLE,
> +	CONFIG_TYPE_STRING
> +};
> +
>  struct perf_config_item {
> -	char *name;
> +	const char *name;
>  	char *value;
> +	union {
> +		bool b;
> +		int i;
> +		u32 l;
> +		u64 ll;
> +		float f;
> +		double d;
> +		const char *s;
> +	} default_value;
> +	enum perf_config_type type;
>  	struct list_head node;
>  };
>  
>  struct perf_config_section {
> -	char *name;
> +	const char *name;
>  	struct list_head items;
>  	struct list_head node;
>  };
> @@ -20,6 +40,44 @@ struct perf_config_set {
>  	struct list_head sections;
>  };
>  
> +enum perf_config_secion_idx {
> +	CONFIG_COLORS,
> +	CONFIG_TUI,
> +	CONFIG_BUILDID,
> +	CONFIG_ANNOTATE,
> +	CONFIG_GTK,
> +	CONFIG_PAGER,
> +	CONFIG_HELP,
> +	CONFIG_HIST,
> +	CONFIG_UI,
> +	CONFIG_CALL_GRAPH,
> +	CONFIG_REPORT,
> +	CONFIG_TOP,
> +	CONFIG_MAN,
> +	CONFIG_KMEM,
> +	CONFIG_END
> +};
> +
> +#define CONF_VAR(_name, _field, _val, _type)				\
> +	{ .name = _name, .default_value._field = _val, .type = _type }
> +
> +#define CONF_BOOL_VAR(_name, _val)			\
> +	CONF_VAR(_name, b, _val, CONFIG_TYPE_BOOL)
> +#define CONF_INT_VAR(_name, _val)			\
> +	CONF_VAR(_name, i, _val, CONFIG_TYPE_INT)
> +#define CONF_LONG_VAR(_name, _val)			\
> +	CONF_VAR(_name, l, _val, CONFIG_TYPE_LONG)
> +#define CONF_U64_VAR(_name, _val)			\
> +	CONF_VAR(_name, ll, _val, CONFIG_TYPE_U64)
> +#define CONF_FLOAT_VAR(_name, _val)			\
> +	CONF_VAR(_name, f, _val, CONFIG_TYPE_FLOAT)
> +#define CONF_DOUBLE_VAR(_name, _val)			\
> +	CONF_VAR(_name, d, _val, CONFIG_TYPE_DOUBLE)
> +#define CONF_STR_VAR(_name, _val)			\
> +	CONF_VAR(_name, s, _val, CONFIG_TYPE_STRING)
> +#define CONF_END()					\
> +	{ .name = NULL }
> +
>  struct perf_config_set *perf_config_set__new(void);
>  void perf_config_set__delete(struct perf_config_set *set);
>  
> -- 
> 2.5.0

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#1379088

FromTaeung Song <treeze.taeung@gmail.com>
Date2016-04-14 18:50 +0200
Message-ID<rnSCS-4Y2-17@gated-at.bofh.it>
In reply to#1378756
Hi, Arnaldo

On 04/14/2016 09:19 PM, Arnaldo Carvalho de Melo wrote:
> Em Thu, Apr 14, 2016 at 04:53:20PM +0900, Taeung Song escreveu:
>> To precisely manage configs,
>> prepare all default perf's configs that contain
>> default section name, variable name, value
>> and correct type, not string type.
>>
>> In the near future, this will be used when
>> checking type of config variable or showing
>> all configs with default values, etc.
>>
>> Acked-by: Namhyung Kim <namhyung@kernel.org>
>> Cc: Masami Hiramatsu <mhiramat@kernel.org>
>> Cc: Jiri Olsa <jolsa@kernel.org>
>> Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
>> ---
>>   tools/perf/util/config.c | 110 ++++++++++++++++++++++++++++++++++++++++++++++-
>>   tools/perf/util/config.h |  62 +++++++++++++++++++++++++-
>>   2 files changed, 168 insertions(+), 4 deletions(-)
>>
>> diff --git a/tools/perf/util/config.c b/tools/perf/util/config.c
>> index dad7d82..5604392 100644
>> --- a/tools/perf/util/config.c
>> +++ b/tools/perf/util/config.c
>> @@ -15,6 +15,7 @@
>>   #include "util/llvm-utils.h"   /* perf_llvm_config */
>>   #include "config.h"
>>
>> +#define MAX_CONFIGS 64
>
> Do we have to add another arbitrary maximum? Where is it used?
>

IMHO, it is my idea. If you want to avoid using this arbitrary maxinum,
I'd modify the code.

MAX_CONFIGS is used in order to declare two-dimensional arrays 
'default_config_items'
as below.

struct perf_config_item default_config_items[][MAX_CONFIGS] = {
	[CONFIG_COLORS] = {
		CONF_STR_VAR("top", "red, default"),
		CONF_STR_VAR("medium", "green, default"),
...(omitted)...

IMHO, it is because of perf_config_set__init() in [PATCH v8 4/4].
If we don't use two-dimensional arrays, I think the code of
perf_config_set__init() could be complicated.

Thanks,
Taeung

>>   #define MAXNAME (256)
>>
>>   #define DEBUG_CACHE_DIR ".debug"
>> @@ -29,6 +30,111 @@ static int config_file_eof;
>>
>>   const char *config_exclusive_filename;
>>
>> +struct perf_config_section default_sections[] = {
>> +	{ .name = "colors" },
>> +	{ .name = "tui" },
>> +	{ .name = "buildid" },
>> +	{ .name = "annotate" },
>> +	{ .name = "gtk" },
>> +	{ .name = "pager" },
>> +	{ .name = "help" },
>> +	{ .name = "hist" },
>> +	{ .name = "ui" },
>> +	{ .name = "call-graph" },
>> +	{ .name = "report" },
>> +	{ .name = "top" },
>> +	{ .name = "man" },
>> +	{ .name = "kmem" }
>> +};
>> +
>> +struct perf_config_item default_config_items[][MAX_CONFIGS] = {
>> +	[CONFIG_COLORS] = {
>> +		CONF_STR_VAR("top", "red, default"),
>> +		CONF_STR_VAR("medium", "green, default"),
>> +		CONF_STR_VAR("normal", "lightgray, default"),
>> +		CONF_STR_VAR("selected", "white, lightgray"),
>> +		CONF_STR_VAR("jump_arrows", "blue, default"),
>> +		CONF_STR_VAR("addr", "magenta, default"),
>> +		CONF_STR_VAR("root", "white, blue"),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_TUI] = {
>> +		CONF_BOOL_VAR("report", true),
>> +		CONF_BOOL_VAR("annotate", true),
>> +		CONF_BOOL_VAR("top", true),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_BUILDID] = {
>> +		CONF_STR_VAR("dir", "~/.debug"),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_ANNOTATE] = {
>> +		CONF_BOOL_VAR("hide_src_code", false),
>> +		CONF_BOOL_VAR("use_offset", true),
>> +		CONF_BOOL_VAR("jump_arrows", true),
>> +		CONF_BOOL_VAR("show_nr_jumps", false),
>> +		CONF_BOOL_VAR("show_linenr", false),
>> +		CONF_BOOL_VAR("show_total_period", false),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_GTK] = {
>> +		CONF_BOOL_VAR("annotate", false),
>> +		CONF_BOOL_VAR("report", false),
>> +		CONF_BOOL_VAR("top", false),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_PAGER] = {
>> +		CONF_BOOL_VAR("cmd", true),
>> +		CONF_BOOL_VAR("report", true),
>> +		CONF_BOOL_VAR("annotate", true),
>> +		CONF_BOOL_VAR("top", true),
>> +		CONF_BOOL_VAR("diff", true),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_HELP] = {
>> +		CONF_STR_VAR("format", "man"),
>> +		CONF_INT_VAR("autocorrect", 0),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_HIST] = {
>> +		CONF_STR_VAR("percentage", "absolute"),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_UI] = {
>> +		CONF_BOOL_VAR("show-headers", true),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_CALL_GRAPH] = {
>> +		CONF_STR_VAR("record-mode", "fp"),
>> +		CONF_LONG_VAR("dump-size", 8192),
>> +		CONF_STR_VAR("print-type", "graph"),
>> +		CONF_STR_VAR("order", "callee"),
>> +		CONF_STR_VAR("sort-key", "function"),
>> +		CONF_DOUBLE_VAR("threshold", 0.5),
>> +		CONF_LONG_VAR("print-limit", 0),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_REPORT] = {
>> +		CONF_BOOL_VAR("group", true),
>> +		CONF_BOOL_VAR("children", true),
>> +		CONF_FLOAT_VAR("percent-limit", 0),
>> +		CONF_U64_VAR("queue-size", 0),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_TOP] = {
>> +		CONF_BOOL_VAR("children", true),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_MAN] = {
>> +		CONF_STR_VAR("viewer", "man"),
>> +		CONF_END()
>> +	},
>> +	[CONFIG_KMEM] = {
>> +		CONF_STR_VAR("default", "slab"),
>> +		CONF_END()
>> +	}
>> +};
>> +
>>   static int get_next_char(void)
>>   {
>>   	int c;
>> @@ -659,7 +765,7 @@ struct perf_config_set *perf_config_set__new(void)
>>
>>   static void perf_config_item__delete(struct perf_config_item *item)
>>   {
>> -	zfree(&item->name);
>> +	zfree((char **)&item->name);
>>   	zfree(&item->value);
>>   	free(item);
>>   }
>> @@ -677,7 +783,7 @@ static void perf_config_section__purge(struct perf_config_section *section)
>>   static void perf_config_section__delete(struct perf_config_section *section)
>>   {
>>   	perf_config_section__purge(section);
>> -	zfree(&section->name);
>> +	zfree((char **)&section->name);
>>   	free(section);
>>   }
>>
>> diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h
>> index 22ec626..84dcc1d 100644
>> --- a/tools/perf/util/config.h
>> +++ b/tools/perf/util/config.h
>> @@ -4,14 +4,34 @@
>>   #include <stdbool.h>
>>   #include <linux/list.h>
>>
>> +enum perf_config_type {
>> +	CONFIG_TYPE_BOOL,
>> +	CONFIG_TYPE_INT,
>> +	CONFIG_TYPE_LONG,
>> +	CONFIG_TYPE_U64,
>> +	CONFIG_TYPE_FLOAT,
>> +	CONFIG_TYPE_DOUBLE,
>> +	CONFIG_TYPE_STRING
>> +};
>> +
>>   struct perf_config_item {
>> -	char *name;
>> +	const char *name;
>>   	char *value;
>> +	union {
>> +		bool b;
>> +		int i;
>> +		u32 l;
>> +		u64 ll;
>> +		float f;
>> +		double d;
>> +		const char *s;
>> +	} default_value;
>> +	enum perf_config_type type;
>>   	struct list_head node;
>>   };
>>
>>   struct perf_config_section {
>> -	char *name;
>> +	const char *name;
>>   	struct list_head items;
>>   	struct list_head node;
>>   };
>> @@ -20,6 +40,44 @@ struct perf_config_set {
>>   	struct list_head sections;
>>   };
>>
>> +enum perf_config_secion_idx {
>> +	CONFIG_COLORS,
>> +	CONFIG_TUI,
>> +	CONFIG_BUILDID,
>> +	CONFIG_ANNOTATE,
>> +	CONFIG_GTK,
>> +	CONFIG_PAGER,
>> +	CONFIG_HELP,
>> +	CONFIG_HIST,
>> +	CONFIG_UI,
>> +	CONFIG_CALL_GRAPH,
>> +	CONFIG_REPORT,
>> +	CONFIG_TOP,
>> +	CONFIG_MAN,
>> +	CONFIG_KMEM,
>> +	CONFIG_END
>> +};
>> +
>> +#define CONF_VAR(_name, _field, _val, _type)				\
>> +	{ .name = _name, .default_value._field = _val, .type = _type }
>> +
>> +#define CONF_BOOL_VAR(_name, _val)			\
>> +	CONF_VAR(_name, b, _val, CONFIG_TYPE_BOOL)
>> +#define CONF_INT_VAR(_name, _val)			\
>> +	CONF_VAR(_name, i, _val, CONFIG_TYPE_INT)
>> +#define CONF_LONG_VAR(_name, _val)			\
>> +	CONF_VAR(_name, l, _val, CONFIG_TYPE_LONG)
>> +#define CONF_U64_VAR(_name, _val)			\
>> +	CONF_VAR(_name, ll, _val, CONFIG_TYPE_U64)
>> +#define CONF_FLOAT_VAR(_name, _val)			\
>> +	CONF_VAR(_name, f, _val, CONFIG_TYPE_FLOAT)
>> +#define CONF_DOUBLE_VAR(_name, _val)			\
>> +	CONF_VAR(_name, d, _val, CONFIG_TYPE_DOUBLE)
>> +#define CONF_STR_VAR(_name, _val)			\
>> +	CONF_VAR(_name, s, _val, CONFIG_TYPE_STRING)
>> +#define CONF_END()					\
>> +	{ .name = NULL }
>> +
>>   struct perf_config_set *perf_config_set__new(void);
>>   void perf_config_set__delete(struct perf_config_set *set);
>>
>> --
>> 2.5.0

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