diff options
| -rw-r--r-- | tools/perf/builtin-trace.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index bf74217be22c..76d9427b4b91 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -517,6 +517,29 @@ static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, #define SCA_EFD_FLAGS syscall_arg__scnprintf_eventfd_flags +static size_t syscall_arg__scnprintf_pipe_flags(char *bf, size_t size, + struct syscall_arg *arg) +{ + int printed = 0, flags = arg->val; + +#define P_FLAG(n) \ + if (flags & O_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ + flags &= ~O_##n; \ + } + + P_FLAG(CLOEXEC); + P_FLAG(NONBLOCK); +#undef P_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_PIPE_FLAGS syscall_arg__scnprintf_pipe_flags + static size_t syscall_arg__scnprintf_signum(char *bf, size_t size, struct syscall_arg *arg) { int sig = arg->val; @@ -620,6 +643,8 @@ static struct syscall_fmt { .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, { .name = "openat", .errmsg = true, .arg_scnprintf = { [2] = SCA_OPEN_FLAGS, /* flags */ }, }, + { .name = "pipe2", .errmsg = true, + .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, { .name = "poll", .errmsg = true, .timeout = true, }, { .name = "ppoll", .errmsg = true, .timeout = true, }, { .name = "pread", .errmsg = true, .alias = "pread64", }, |