diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-trace.c | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 81c20a6cc6b..034152c7e97 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -50,6 +50,44 @@ static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, unsigned l #define SCA_MMAP_PROT syscall_arg__scnprintf_mmap_prot +static size_t syscall_arg__scnprintf_mmap_flags(char *bf, size_t size, unsigned long arg) +{ + int printed = 0, flags = arg; + +#define P_MMAP_FLAG(n) \ + if (flags & MAP_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ + flags &= ~MAP_##n; \ + } + + P_MMAP_FLAG(SHARED); + P_MMAP_FLAG(PRIVATE); + P_MMAP_FLAG(32BIT); + P_MMAP_FLAG(ANONYMOUS); + P_MMAP_FLAG(DENYWRITE); + P_MMAP_FLAG(EXECUTABLE); + P_MMAP_FLAG(FILE); + P_MMAP_FLAG(FIXED); + P_MMAP_FLAG(GROWSDOWN); + P_MMAP_FLAG(HUGETLB); + P_MMAP_FLAG(LOCKED); + P_MMAP_FLAG(NONBLOCK); + P_MMAP_FLAG(NORESERVE); + P_MMAP_FLAG(POPULATE); + P_MMAP_FLAG(STACK); +#ifdef MAP_UNINITIALIZED + P_MMAP_FLAG(UNINITIALIZED); +#endif +#undef P_MMAP_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_MMAP_FLAGS syscall_arg__scnprintf_mmap_flags + static struct syscall_fmt { const char *name; const char *alias; @@ -72,7 +110,8 @@ static struct syscall_fmt { { .name = "lstat", .errmsg = true, .alias = "newlstat", }, { .name = "mmap", .hexret = true, .arg_scnprintf = { [0] = SCA_HEX, /* addr */ - [2] = SCA_MMAP_PROT, /* prot */ }, }, + [2] = SCA_MMAP_PROT, /* prot */ + [3] = SCA_MMAP_FLAGS, /* flags */ }, }, { .name = "mprotect", .errmsg = true, .arg_scnprintf = { [0] = SCA_HEX, /* start */ [2] = SCA_MMAP_PROT, /* prot */ }, }, |