1 files changed, 27 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/fs_at_flags.sh b/tools/perf/trace/beauty/fs_at_flags.sh
new file mode 100755
index 000000000000..fac4d0c049fc
--- /dev/null
+++ b/tools/perf/trace/beauty/fs_at_flags.sh
@@ -0,0 +1,27 @@
+#!/bin/sh
+# SPDX-License-Identifier: LGPL-2.1
+
+if [ $# -ne 1 ] ; then
+	beauty_uapi_linux_dir=tools/perf/trace/beauty/include/uapi/linux/
+else
+	beauty_uapi_linux_dir=$1
+fi
+
+linux_fcntl=${beauty_uapi_linux_dir}/fcntl.h
+
+printf "static const char *fs_at_flags[] = {\n"
+regex='^[[:space:]]*#[[:space:]]*define[[:space:]]+AT_([^_]+[[:alnum:]_]+)[[:space:]]+(0x[[:xdigit:]]+)[[:space:]]*.*'
+# AT_EACCESS is only meaningful to faccessat, so we will special case it there...
+# AT_STATX_SYNC_TYPE is not a bit, its a mask of AT_STATX_SYNC_AS_STAT, AT_STATX_FORCE_SYNC and AT_STATX_DONT_SYNC
+# AT_HANDLE_FID, AT_HANDLE_MNT_ID_UNIQUE and AT_HANDLE_CONNECTABLE are reusing values and are valid only for name_to_handle_at()
+# AT_RENAME_NOREPLACE reuses 0x1 and is valid only for renameat2()
+grep -E $regex ${linux_fcntl} | \
+	grep -v AT_EACCESS | \
+	grep -v AT_STATX_SYNC_TYPE | \
+	grep -v AT_HANDLE_FID | \
+	grep -v AT_HANDLE_MNT_ID_UNIQUE | \
+	grep -v AT_HANDLE_CONNECTABLE | \
+	grep -v AT_RENAME_NOREPLACE | \
+	sed -r "s/$regex/\2 \1/g"	| \
+	xargs printf "\t[ilog2(%s) + 1] = \"%s\",\n"
+printf "};\n"