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perf config: Mark where are config items from (user or system)

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To write config items to a particular config file, we should know where
is each config section and item from.

Current setting functionality of perf-config use autogenerating way by
overwriting collected config items to a config file.

For example, when collecting config items from user and system config
files (i.e. ~/.perfconfig and $(sysconf)/perfconfig), perf_config_set
can contain both user and system config items.  So we should know where
each value is from to avoid merging user and system config items on user
config file.

Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Nambong Ha <over3025@gmail.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Wang Nan <wangnan0@huawei.com>
Cc: Wookje Kwon <aweee0@gmail.com>
Link: http://lkml.kernel.org/r/1478241862-31230-7-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Taeung Song
2016-11-04 15:44:22 +09:00
committed by Arnaldo Carvalho de Melo
parent c6fc018a7a
commit 08d090cfed
3 changed files with 23 additions and 3 deletions
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6
tools/perf/builtin-config.c
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@@ -48,14 +48,18 @@ static int set_config(struct perf_config_set *set, const char *file_name,
if (!fp)
return -1;
perf_config_set__collect(set, var, value);
perf_config_set__collect(set, file_name, var, value);
fprintf(fp, "%s\n", first_line);
/* overwrite configvariables */
perf_config_items__for_each_entry(&set->sections, section) {
if (!use_system_config && section->from_system_config)
continue;
fprintf(fp, "[%s]\n", section->name);
perf_config_items__for_each_entry(&section->items, item) {
if (!use_system_config && section->from_system_config)
continue;
if (item->value)
fprintf(fp, "\t%s = %s\n",
item->name, item->value);