Messages in this thread Patch in this message | | | From | Taeung Song <> | Subject | [PATCH v2 3/4] perf tools: Add a option 'list-all' to perf-config. | Date | Fri, 29 May 2015 14:42:47 +0900 |
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A option 'list-all' is to display both current config variables and all possible config variables with default values. The syntax examples are like below
perf config [options]
display all perf config with default values. # perf config -a | --list-all
Signed-off-by: Taeung Song <treeze.taeung@gmail.com> --- tools/perf/Documentation/perf-config.txt | 6 ++++ tools/perf/builtin-config.c | 48 ++++++++++++++++++++++++++++++++ 2 files changed, 54 insertions(+)
diff --git a/tools/perf/Documentation/perf-config.txt b/tools/perf/Documentation/perf-config.txt index f3dae23..e33e481 100644 --- a/tools/perf/Documentation/perf-config.txt +++ b/tools/perf/Documentation/perf-config.txt @@ -11,6 +11,8 @@ SYNOPSIS 'perf config' [section.name[=value] ...] or 'perf config' -l | --list +or +'perf config' -a | --list-all DESCRIPTION ----------- @@ -23,6 +25,10 @@ OPTIONS --list:: Show current config variables with key and value into each sections. +-a:: +--list-all:: + Show current and all possible config variables with default values. + CONFIGURATION FILE ------------------ diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c index 175b125..cf7d61d 100644 --- a/tools/perf/builtin-config.c +++ b/tools/perf/builtin-config.c @@ -21,10 +21,13 @@ static const char * const config_usage[] = { }; #define ACTION_LIST (1<<0) +#define ACTION_LIST_ALL (1<<1) static const struct option config_options[] = { OPT_GROUP("Action"), OPT_BIT('l', "list", &actions, "show current config variables", ACTION_LIST), + OPT_BIT('a', "list-all", &actions, + "show current and all possible config variables with default values", ACTION_LIST_ALL), OPT_END() }; @@ -516,6 +519,45 @@ static int collect_current_config(const char *var, const char *value, normalize_value(section_name, name, value)); } +static int show_all_config(void) +{ + int i; + bool has_config; + struct config_section *section_node; + struct config_element *element_node; + + for (i = 0; default_configsets[i].section_name != NULL; i++) { + find_config(§ion_node, &element_node, + default_configsets[i].section_name, default_configsets[i].name); + + if (!element_node) + printf("%s.%s=%s\n", default_configsets[i].section_name, + default_configsets[i].name, default_configsets[i].value); + else + printf("%s.%s=%s\n", section_node->name, + element_node->name, element_node->value); + } + + /* Print config variables the default configsets haven't */ + list_for_each_entry(section_node, §ions, list) { + list_for_each_entry(element_node, §ion_node->element_head, list) { + has_config = false; + for (i = 0; default_configsets[i].section_name != NULL; i++) { + if (!strcmp(default_configsets[i].section_name, section_node->name) + && !strcmp(default_configsets[i].name, element_node->name)) { + has_config = true; + break; + } + } + if (!has_config) + printf("%s.%s=%s\n", section_node->name, + element_node->name, element_node->value); + } + } + + return 0; +} + static int perf_configset_with_option(configset_fn_t fn, const char *var, char *value) { char *section_name; @@ -585,6 +627,12 @@ int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused) else goto out_err; goto out; + case ACTION_LIST_ALL: + if (argc == 0) + ret = show_all_config(); + else + goto out_err; + goto out; default: if (!has_option && argc == 0) { ret = perf_config(show_config, NULL); -- 1.9.1
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