linux-kernel - Re: [PATCH v3 3/4] perf config: Prepare all default configs

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Date:	Thu, 24 Mar 2016 15:08:49 +0900
From:	Namhyung Kim <namhyung@...nel.org>
To:	Taeung Song <treeze.taeung@...il.com>
CC:	Arnaldo Carvalho de Melo <acme@...nel.org>,
	linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>,
	Ingo Molnar <mingo@...nel.org>,
	Peter Zijlstra <peterz@...radead.org>
Subject: Re: [PATCH v3 3/4] perf config: Prepare all default configs

On Thu, Mar 24, 2016 at 05:16:32AM +0900, Taeung Song wrote:
> 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.
> 
> Cc: Jiri Olsa <jolsa@...nel.org>
> Signed-off-by: Taeung Song <treeze.taeung@...il.com>

Acked-by: Namhyung Kim <namhyung@...nel.org>

Thanks,
Namhyung


> ---
>  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 3beeceb..e3e6ef4 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;
> @@ -663,12 +769,12 @@ void perf_config_set__delete(struct perf_config_set *perf_configs)
>  		list_for_each_entry_safe(config_item, item_tmp,
>  					 &section->config_items, list) {
>  			list_del(&config_item->list);
> -			free(config_item->name);
> +			free((char *)config_item->name);
>  			free(config_item->value);
>  			free(config_item);
>  		}
>  		list_del(&section->list);
> -		free(section->name);
> +		free((char *)section->name);
>  		free(section);
>  	}
>  
> diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h
> index e270e51..aa4a5a2 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 list;
>  };
>  
>  struct perf_config_section {
> -	char *name;
> +	const char *name;
>  	struct list_head config_items;
>  	struct list_head list;
>  };
> @@ -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 *perf_configs);
>  
> -- 
> 2.5.0
>