diff options
Diffstat (limited to 'tools/perf/builtin-config.c')
-rw-r--r-- | tools/perf/builtin-config.c | 40 |
1 files changed, 37 insertions, 3 deletions
diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c index e4207a23b52c..df3fa1c18e55 100644 --- a/tools/perf/builtin-config.c +++ b/tools/perf/builtin-config.c @@ -17,7 +17,7 @@ static bool use_system_config, use_user_config; static const char * const config_usage[] = { - "perf config [<file-option>] [options]", + "perf config [<file-option>] [options] [section.name ...]", NULL }; @@ -33,6 +33,36 @@ static struct option config_options[] = { OPT_END() }; +static int show_spec_config(struct perf_config_set *set, const char *var) +{ + struct perf_config_section *section; + struct perf_config_item *item; + + if (set == NULL) + return -1; + + perf_config_items__for_each_entry(&set->sections, section) { + if (prefixcmp(var, section->name) != 0) + continue; + + perf_config_items__for_each_entry(§ion->items, item) { + const char *name = var + strlen(section->name) + 1; + + if (strcmp(name, item->name) == 0) { + char *value = item->value; + + if (value) { + printf("%s=%s\n", var, value); + return 0; + } + } + + } + } + + return 0; +} + static int show_config(struct perf_config_set *set) { struct perf_config_section *section; @@ -54,7 +84,7 @@ static int show_config(struct perf_config_set *set) int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused) { - int ret = 0; + int i, ret = 0; struct perf_config_set *set; char *user_config = mkpath("%s/.perfconfig", getenv("HOME")); @@ -100,7 +130,11 @@ int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused) } break; default: - usage_with_options(config_usage, config_options); + if (argc) + for (i = 0; argv[i]; i++) + ret = show_spec_config(set, argv[i]); + else + usage_with_options(config_usage, config_options); } perf_config_set__delete(set); |