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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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860b8d4b3f
Currently show_config() has a problem when user and system config files
have the same config variables i.e.:
# cat ~/.perfconfig
[top]
children = false
When $(sysconfdir) is /usr/local/etc
# cat /usr/local/etc/perfconfig
[top]
children = true
Before:
# perf config --user --list
top.children=false
# perf config --system --list
top.children=true
# perf config --list
top.children=true
top.children=false
Because perf_config() can call show_config() each the config file (user
and system). Fix it.
After:
# perf config --user --list
top.children=false
# perf config --system --list
top.children=true
# perf config --list
top.children=false
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lkml.kernel.org/r/1460620401-23430-3-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
113 lines
2.5 KiB
C
113 lines
2.5 KiB
C
/*
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* builtin-config.c
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*
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* Copyright (C) 2015, Taeung Song <treeze.taeung@gmail.com>
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*
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*/
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#include "builtin.h"
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#include "perf.h"
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#include "util/cache.h"
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#include <subcmd/parse-options.h>
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#include "util/util.h"
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#include "util/debug.h"
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#include "util/config.h"
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static bool use_system_config, use_user_config;
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static const char * const config_usage[] = {
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"perf config [<file-option>] [options]",
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NULL
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};
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enum actions {
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ACTION_LIST = 1
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} actions;
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static struct option config_options[] = {
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OPT_SET_UINT('l', "list", &actions,
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"show current config variables", ACTION_LIST),
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OPT_BOOLEAN(0, "system", &use_system_config, "use system config file"),
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OPT_BOOLEAN(0, "user", &use_user_config, "use user config file"),
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OPT_END()
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};
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static int show_config(struct perf_config_set *set)
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{
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struct perf_config_section *section;
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struct perf_config_item *item;
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struct list_head *sections;
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if (set == NULL)
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return -1;
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sections = &set->sections;
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if (list_empty(sections))
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return -1;
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list_for_each_entry(section, sections, node) {
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list_for_each_entry(item, §ion->items, node) {
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char *value = item->value;
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if (value)
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printf("%s.%s=%s\n", section->name,
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item->name, value);
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}
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}
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return 0;
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}
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int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused)
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{
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int ret = 0;
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struct perf_config_set *set;
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char *user_config = mkpath("%s/.perfconfig", getenv("HOME"));
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argc = parse_options(argc, argv, config_options, config_usage,
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PARSE_OPT_STOP_AT_NON_OPTION);
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if (use_system_config && use_user_config) {
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pr_err("Error: only one config file at a time\n");
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parse_options_usage(config_usage, config_options, "user", 0);
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parse_options_usage(NULL, config_options, "system", 0);
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return -1;
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}
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if (use_system_config)
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config_exclusive_filename = perf_etc_perfconfig();
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else if (use_user_config)
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config_exclusive_filename = user_config;
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set = perf_config_set__new();
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if (!set) {
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ret = -1;
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goto out_err;
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}
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switch (actions) {
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case ACTION_LIST:
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if (argc) {
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pr_err("Error: takes no arguments\n");
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parse_options_usage(config_usage, config_options, "l", 1);
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} else {
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ret = show_config(set);
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if (ret < 0) {
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const char * config_filename = config_exclusive_filename;
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if (!config_exclusive_filename)
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config_filename = user_config;
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pr_err("Nothing configured, "
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"please check your %s \n", config_filename);
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}
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}
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break;
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default:
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usage_with_options(config_usage, config_options);
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}
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perf_config_set__delete(set);
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out_err:
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return ret;
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}
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