From 9e56d3be4bfd2ec6433a7c44195bd1e687b8ed2e Mon Sep 17 00:00:00 2001
From: Ian Rogers <irogers@google.com>
Date: Mon, 9 Oct 2023 11:39:03 -0700
Subject: gen_compile_commands: Sort output compile commands by file name

Make the output more stable and deterministic.

Signed-off-by: Ian Rogers <irogers@google.com>
Reviewed-by: Nick Desaulniers <ndesaulniers@google.com>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Yang Jihong <yangjihong1@huawei.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Arnaldo Carvalho de Melo <acme@kernel.org>
Cc: Huacai Chen <chenhuacai@kernel.org>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: llvm@lists.linux.dev
Cc: Ming Wang <wangming01@loongson.cn>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Tom Rix <trix@redhat.com>
Cc: bpf@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Cc: linux-perf-users@vger.kernel.org
Link: https://lore.kernel.org/r/20231009183920.200859-3-irogers@google.com
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
---
 scripts/clang-tools/gen_compile_commands.py | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'scripts/clang-tools')

diff --git a/scripts/clang-tools/gen_compile_commands.py b/scripts/clang-tools/gen_compile_commands.py
index b43f9149893c..180952fb91c1 100755
--- a/scripts/clang-tools/gen_compile_commands.py
+++ b/scripts/clang-tools/gen_compile_commands.py
@@ -221,7 +221,7 @@ def main():
                                      cmdfile, err)
 
     with open(output, 'wt') as f:
-        json.dump(compile_commands, f, indent=2, sort_keys=True)
+        json.dump(sorted(compile_commands, key=lambda x: x["file"]), f, indent=2, sort_keys=True)
 
 
 if __name__ == '__main__':
-- 
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