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authorWang Nan <wangnan0@huawei.com>2016-02-26 09:31:51 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-02-26 19:49:16 -0300
commitb8cbb349061edda648463b086cfa869a7ab583af (patch)
treed6653e62842d1d873b4a6cde09c1d76847106a3a /tools/perf/util/help-unknown-cmd.c
parentperf report: Update column width of dynamic entries (diff)
downloadlinux-dev-b8cbb349061edda648463b086cfa869a7ab583af.tar.xz
linux-dev-b8cbb349061edda648463b086cfa869a7ab583af.zip
perf config: Bring perf_default_config to the very beginning at main()
Before this patch each subcommand calls perf_config() by themself, reading the default configuration together with subcommand specific options. If a subcommand doesn't have it own options, it needs to call 'perf_config(perf_default_config, NULL)' to ensure .perfconfig is loaded. This patch brings perf_config(perf_default_config, NULL) to the very start of main(), so subcommands don't need to do it. After this patch, 'llvm.clang-path' works for 'perf trace'. Signed-off-by: Wang Nan <wangnan0@huawei.com> Suggested-and-Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Li Zefan <lizefan@huawei.com> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1456479154-136027-4-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/help-unknown-cmd.c')
-rw-r--r--tools/perf/util/help-unknown-cmd.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/tools/perf/util/help-unknown-cmd.c b/tools/perf/util/help-unknown-cmd.c
index dc1e41c9b054..43a98a4dc1e1 100644
--- a/tools/perf/util/help-unknown-cmd.c
+++ b/tools/perf/util/help-unknown-cmd.c
@@ -6,7 +6,8 @@
static int autocorrect;
static struct cmdnames aliases;
-static int perf_unknown_cmd_config(const char *var, const char *value, void *cb)
+static int perf_unknown_cmd_config(const char *var, const char *value,
+ void *cb __maybe_unused)
{
if (!strcmp(var, "help.autocorrect"))
autocorrect = perf_config_int(var,value);
@@ -14,7 +15,7 @@ static int perf_unknown_cmd_config(const char *var, const char *value, void *cb)
if (!prefixcmp(var, "alias."))
add_cmdname(&aliases, var + 6, strlen(var + 6));
- return perf_default_config(var, value, cb);
+ return 0;
}
static int levenshtein_compare(const void *p1, const void *p2)