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
  14 size_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
  44 size_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 }