LXR linux/tools/perf/trace/beauty/statx.c

   1// SPDX-License-Identifier: LGPL-2.1
   2/*
   3 * trace/beauty/statx.c
   4 *
   5 *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
   6 */
   7
   8#include "trace/beauty/beauty.h"
   9#include <linux/kernel.h>
  10#include <sys/types.h>
  11#include <uapi/linux/fcntl.h>
  12#include <uapi/linux/stat.h>
  13
  14size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg)
  15{
  16        bool show_prefix = arg->show_string_prefix;
  17        const char *prefix = "AT_";
  18        int printed = 0, flags = arg->val;
  19
  20        if (flags == 0)
  21                return scnprintf(bf, size, "%s%s", show_prefix ? "AT_STATX_" : "", "SYNC_AS_STAT");
  22#define P_FLAG(n) \
  23        if (flags & AT_##n) { \
  24                printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
  25                flags &= ~AT_##n; \
  26        }
  27
  28        P_FLAG(SYMLINK_NOFOLLOW);
  29        P_FLAG(REMOVEDIR);
  30        P_FLAG(SYMLINK_FOLLOW);
  31        P_FLAG(NO_AUTOMOUNT);
  32        P_FLAG(EMPTY_PATH);
  33        P_FLAG(STATX_FORCE_SYNC);
  34        P_FLAG(STATX_DONT_SYNC);
  35
  36#undef P_FLAG
  37
  38        if (flags)
  39                printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  40
  41        return printed;
  42}
  43
  44size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg)
  45{
  46        bool show_prefix = arg->show_string_prefix;
  47        const char *prefix = "STATX_";
  48        int printed = 0, flags = arg->val;
  49
  50#define P_FLAG(n) \
  51        if (flags & STATX_##n) { \
  52                printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", show_prefix ? prefix : "", #n); \
  53                flags &= ~STATX_##n; \
  54        }
  55
  56        P_FLAG(TYPE);
  57        P_FLAG(MODE);
  58        P_FLAG(NLINK);
  59        P_FLAG(UID);
  60        P_FLAG(GID);
  61        P_FLAG(ATIME);
  62        P_FLAG(MTIME);
  63        P_FLAG(CTIME);
  64        P_FLAG(INO);
  65        P_FLAG(SIZE);
  66        P_FLAG(BLOCKS);
  67        P_FLAG(BTIME);
  68        P_FLAG(MNT_ID);
  69
  70#undef P_FLAG
  71
  72        if (flags)
  73                printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  74
  75        return printed;
  76}
  77