xref: /openbmc/linux/tools/perf/trace/beauty/statx.c (revision feac8c8b)
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 }
73