diff options
| -rw-r--r-- | tools/perf/builtin-trace.c | 59 |
1 files changed, 58 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index 02aaea6..5b6b287 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -206,6 +206,62 @@ static size_t syscall_arg__scnprintf_futex_op(char *bf, size_t size, unsigned lo #define SCA_FUTEX_OP syscall_arg__scnprintf_futex_op +static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, + unsigned long arg, u8 *arg_mask) +{ + int printed = 0, flags = arg; + + if (!(flags & O_CREAT)) + *arg_mask |= 1 << 2; /* Mask the mode parm */ + + if (flags == 0) + return scnprintf(bf, size, "RDONLY"); +#define P_FLAG(n) \ + if (flags & O_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ + flags &= ~O_##n; \ + } + + P_FLAG(APPEND); + P_FLAG(ASYNC); + P_FLAG(CLOEXEC); + P_FLAG(CREAT); + P_FLAG(DIRECT); + P_FLAG(DIRECTORY); + P_FLAG(EXCL); + P_FLAG(LARGEFILE); + P_FLAG(NOATIME); + P_FLAG(NOCTTY); +#ifdef O_NONBLOCK + P_FLAG(NONBLOCK); +#elif O_NDELAY + P_FLAG(NDELAY); +#endif +#ifdef O_PATH + P_FLAG(PATH); +#endif + P_FLAG(RDWR); +#ifdef O_DSYNC + if ((flags & O_SYNC) == O_SYNC) + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", "SYNC"); + else { + P_FLAG(DSYNC); + } +#else + P_FLAG(SYNC); +#endif + P_FLAG(TRUNC); + P_FLAG(WRONLY); +#undef P_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags + static struct syscall_fmt { const char *name; const char *alias; @@ -244,7 +300,8 @@ static struct syscall_fmt { [4] = SCA_HEX, /* new_addr */ }, }, { .name = "munmap", .errmsg = true, .arg_scnprintf = { [0] = SCA_HEX, /* addr */ }, }, - { .name = "open", .errmsg = true, }, + { .name = "open", .errmsg = true, + .arg_scnprintf = { [1] = SCA_OPEN_FLAGS, /* flags */ }, }, { .name = "poll", .errmsg = true, .timeout = true, }, { .name = "ppoll", .errmsg = true, .timeout = true, }, { .name = "pread", .errmsg = true, .alias = "pread64", }, |
