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From: Taeung Song <treeze.taeung@gmail.com>
To: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: linux-kernel@vger.kernel.org, Jiri Olsa <jolsa@kernel.org>,
	Namhyung Kim <namhyung@kernel.org>,
	Ingo Molnar <mingo@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Masami Hiramatsu <mhiramat@kernel.org>,
	Taeung Song <treeze.taeung@gmail.com>,
	Jiri Olsa <jolsa@redhat.com>
Subject: [PATCH v7 6/7] perf config: Reset the config set at only 'config' sub-command
Date: Tue,  7 Jun 2016 18:26:16 +0900	[thread overview]
Message-ID: <1465291577-20973-7-git-send-email-treeze.taeung@gmail.com> (raw)
In-Reply-To: <1465291577-20973-1-git-send-email-treeze.taeung@gmail.com>

When first calling perf_config(), the config set is
initialized collecting both user and system config files
(i.e. user config ~/.perfconfig and system config
$(sysconfdir)/perfconfig) so config set contains
not only user config but also system config key-value pairs.
(User config has higher priority than system config.)

But 'config' sub-command individually use the config set
so free the existing config set (i.e. a global variable config_set)
before reinstantiating it.

And 'config' sub-command have '--user' or '--system' options.
To reinitialize with the options, the config set should be reset
at the very beginning at cmd_config()

Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Signed-off-by: Taeung Song <treeze.taeung@gmail.com>
---
 tools/perf/builtin-config.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/tools/perf/builtin-config.c b/tools/perf/builtin-config.c
index f23fe52..4dab41e 100644
--- a/tools/perf/builtin-config.c
+++ b/tools/perf/builtin-config.c
@@ -79,6 +79,11 @@ int cmd_config(int argc, const char **argv, const char *prefix __maybe_unused)
 	else if (use_user_config)
 		config_exclusive_filename = user_config;
 
+	/*
+	 * Reset the config set at only 'config' sub-command
+	 * because of reinitializing with options config file location.
+	 */
+	perf_config_set__delete(&config_set);
 	config_set = perf_config_set__new();
 	if (!config_set) {
 		ret = -1;
-- 
2.5.0

  parent reply	other threads:[~2016-06-07  9:26 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-07  9:26 [RFC][PATCH v7 0/9] perf config: Reimplement perf_config() using perf_config_set__inter() Taeung Song
2016-06-07  9:26 ` [BUGFIX][PATCH v7 1/7] perf config: If collect_config() is failed, finally free a config set after it is done Taeung Song
2016-06-08  8:44   ` [tip:perf/core] perf config: Constructor should free its allocated memory when failing tip-bot for Taeung Song
2016-06-07  9:26 ` [PATCH v7 2/7] perf config: Use new perf_config_set__init() to initialize config set Taeung Song
2016-06-08  8:45   ` [tip:perf/core] " tip-bot for Taeung Song
2016-06-07  9:26 ` [PATCH v7 3/7] perf config: Add global variable 'config_set' Taeung Song
2016-06-07 14:05   ` Arnaldo Carvalho de Melo
2016-06-07 15:14     ` Taeung Song
2016-06-08 12:38       ` Taeung Song
2016-06-07  9:26 ` [PATCH v7 4/7] perf config: Use zfree() instead of free() at perf_config_set__delete() Taeung Song
2016-06-07  9:26 ` [PATCH v7 5/7] perf config: Reimplement perf_config() using perf_config_set__iter() Taeung Song
2016-06-07  9:26 ` Taeung Song [this message]
2016-06-07  9:26 ` [PATCH v7 7/7] perf config: Reimplement show_config() using perf_config() Taeung Song

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