tools/perf/trace/beauty/statx.c

   1 /*
   2  * trace/beauty/statx.c
   3  *
   4  *  Copyright (C) 2017, Red Hat Inc, Arnaldo Carvalho de Melo <acme@redhat.com>
   5  *
   6  * Released under the GPL v2. (and only v2, not any later version)
   7  */
   8
   9 #include "trace/beauty/beauty.h"
  10 #include <linux/kernel.h>
  11 #include <sys/types.h>
  12 #include <uapi/linux/fcntl.h>
  13 #include <uapi/linux/stat.h>
  14
  15 size_t syscall_arg__scnprintf_statx_flags(char *bf, size_t size, struct syscall_arg *arg)
  16 {
  17         int printed = 0, flags = arg->val;
  18
  19         if (flags == 0)
  20                 return scnprintf(bf, size, "SYNC_AS_STAT");
  21 #define P_FLAG(n) \
  22         if (flags & AT_##n) { \
  23                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  24                 flags &= ~AT_##n; \
  25         }
  26
  27         P_FLAG(SYMLINK_NOFOLLOW);
  28         P_FLAG(REMOVEDIR);
  29         P_FLAG(SYMLINK_FOLLOW);
  30         P_FLAG(NO_AUTOMOUNT);
  31         P_FLAG(EMPTY_PATH);
  32         P_FLAG(STATX_FORCE_SYNC);
  33         P_FLAG(STATX_DONT_SYNC);
  34
  35 #undef P_FLAG
  36
  37         if (flags)
  38                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  39
  40         return printed;
  41 }
  42
  43 size_t syscall_arg__scnprintf_statx_mask(char *bf, size_t size, struct syscall_arg *arg)
  44 {
  45         int printed = 0, flags = arg->val;
  46
  47 #define P_FLAG(n) \
  48         if (flags & STATX_##n) { \
  49                 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \
  50                 flags &= ~STATX_##n; \
  51         }
  52
  53         P_FLAG(TYPE);
  54         P_FLAG(MODE);
  55         P_FLAG(NLINK);
  56         P_FLAG(UID);
  57         P_FLAG(GID);
  58         P_FLAG(ATIME);
  59         P_FLAG(MTIME);
  60         P_FLAG(CTIME);
  61         P_FLAG(INO);
  62         P_FLAG(SIZE);
  63         P_FLAG(BLOCKS);
  64         P_FLAG(BTIME);
  65
  66 #undef P_FLAG
  67
  68         if (flags)
  69                 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags);
  70
  71         return printed;
  72 }