diff options
Diffstat (limited to 'tools/perf/trace/beauty/fsmount.c')
-rw-r--r-- | tools/perf/trace/beauty/fsmount.c | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/tools/perf/trace/beauty/fsmount.c b/tools/perf/trace/beauty/fsmount.c new file mode 100644 index 0000000000..30c8c082a3 --- /dev/null +++ b/tools/perf/trace/beauty/fsmount.c @@ -0,0 +1,34 @@ +// SPDX-License-Identifier: LGPL-2.1 +/* + * trace/beauty/fsmount.c + * + * Copyright (C) 2019, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com> + */ + +#include "trace/beauty/beauty.h" +#include <linux/log2.h> +#include <uapi/linux/mount.h> + +static size_t fsmount__scnprintf_attr_flags(unsigned long flags, char *bf, size_t size, bool show_prefix) +{ +#include "trace/beauty/generated/fsmount_arrays.c" + static DEFINE_STRARRAY(fsmount_attr_flags, "MOUNT_ATTR_"); + size_t printed = 0; + + if ((flags & ~MOUNT_ATTR__ATIME) != 0) + printed += strarray__scnprintf_flags(&strarray__fsmount_attr_flags, bf, size, show_prefix, flags); + + if ((flags & MOUNT_ATTR__ATIME) == MOUNT_ATTR_RELATIME) { + printed += scnprintf(bf + printed, size - printed, "%s%s%s", + printed ? "|" : "", show_prefix ? "MOUNT_ATTR_" : "", "RELATIME"); + } + + return printed; +} + +size_t syscall_arg__scnprintf_fsmount_attr_flags(char *bf, size_t size, struct syscall_arg *arg) +{ + unsigned long flags = arg->val; + + return fsmount__scnprintf_attr_flags(flags, bf, size, arg->show_string_prefix); +} |