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Date: Thu, 21 Jul 2016 10:10:18 +0900 From: Taeung Song <treeze.taeung@...il.com> To: Arnaldo Carvalho de Melo <acme@...nel.org> Cc: linux-kernel@...r.kernel.org, Jiri Olsa <jolsa@...nel.org>, Namhyung Kim <namhyung@...nel.org>, Ingo Molnar <mingo@...nel.org>, Peter Zijlstra <peterz@...radead.org>, Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Masami Hiramatsu <mhiramat@...nel.org>, Wang Nan <wangnan0@...wei.com>, Taeung Song <treeze.taeung@...il.com>, Jiri Olsa <jolsa@...hat.com>, Ingo Molnar <mingo@...hat.com> Subject: [PATCH v7 1/7] perf config: Introduce default_config_section and default_config_item for default config key-value pairs When initializing default perf config values, we currently use values of actual type(int, bool, char *, etc.). For example, If there isn't user config value at ~/.perfconfig for 'annotate.use_offset' config variable, default value for it is 'true' bool type value in perf like below. At ui/browsers/annoate.c static struct annotate_browser_opt { bool hide_src_code, use_offset, jump_arrows, show_linenr, show_nr_jumps, show_total_period; } annotate_browser__opts = { .use_offset = true, .jump_arrows = true, }; But I suggest using 'struct default_config_section' and 'struct default_config_item' that can contain default config key-value pairs in order to initialize default config values with them, in near future. If we do, we could manage default perf config values at one spot (i.e. util/config.c) with default config arrays and it could be easy and simple to modify existing default config values or add default values for new config item. Cc: Namhyung Kim <namhyung@...nel.org> Cc: Jiri Olsa <jolsa@...hat.com> Cc: Wang Nan <wangnan0@...wei.com> Cc: Peter Zijlstra <peterz@...radead.org> Cc: Ingo Molnar <mingo@...hat.com> Cc: Masami Hiramatsu <mhiramat@...nel.org> Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com> Signed-off-by: Taeung Song <treeze.taeung@...il.com> --- tools/perf/util/config.h | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/tools/perf/util/config.h b/tools/perf/util/config.h index 6f813d4..1fd8e4c 100644 --- a/tools/perf/util/config.h +++ b/tools/perf/util/config.h @@ -63,4 +63,33 @@ void perf_config__refresh(void); perf_config_sections__for_each_entry(&set->sections, section) \ perf_config_items__for_each_entry(§ion->items, item) +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 default_config_item { + const char *name; + union { + bool b; + int i; + u32 l; + u64 ll; + float f; + double d; + const char *s; + } value; + enum perf_config_type type; +}; + +struct default_config_section { + const char *name; + const struct default_config_item *items; +}; + #endif /* __PERF_CONFIG_H */ -- 2.5.0
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