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[RFC PATCH 1/5] perf trace: Apply config options in '.perfconfig'

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'perf trace' doesn't read and apply options in ~/.perfconfig. If a BPF
script is passed to 'perf trace --ev' and clang is not in $PATH,
perf trace doesn't compile the script even clang-path is configured in
~/.perfconfig.

This patch makes 'perf trace' read and apply default config options
from that file.

Signed-off-by: Wang Nan <wangnan0@huawei.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Li Zefan <lizefan@huawei.com>
Cc: pi3orama@163.com
---
 tools/perf/builtin-trace.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 20916dd..6c52f3c 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -3108,6 +3108,8 @@ int cmd_trace(int argc, const char **argv, const char *prefix __maybe_unused)
 		goto out;
 	}
 
+	perf_config(perf_default_config, NULL);
+
 	argc = parse_options_subcommand(argc, argv, trace_options, trace_subcommands,
 				 trace_usage, PARSE_OPT_STOP_AT_NON_OPTION);
 
-- 
1.8.3.4

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[RFC PATCH 1/5] perf trace: Apply config options in '.perfconfig' Wang Nan <wangnan0@huawei.com> - 2016-02-25 10:00 +0100
  Re: [RFC PATCH 1/5] perf trace: Apply config options in '.perfconfig' Arnaldo Carvalho de Melo <acme@kernel.org> - 2016-02-25 14:00 +0100

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