| Arnaldo Carvalho de Melo | 62de344 | 2016-04-26 11:03:03 -0300 | [diff] [blame] | 1 | #ifndef PERF_FLAG_FD_NO_GROUP |
| 2 | # define PERF_FLAG_FD_NO_GROUP (1UL << 0) |
| 3 | #endif |
| 4 | |
| 5 | #ifndef PERF_FLAG_FD_OUTPUT |
| 6 | # define PERF_FLAG_FD_OUTPUT (1UL << 1) |
| 7 | #endif |
| 8 | |
| 9 | #ifndef PERF_FLAG_PID_CGROUP |
| 10 | # define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ |
| 11 | #endif |
| 12 | |
| 13 | #ifndef PERF_FLAG_FD_CLOEXEC |
| 14 | # define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ |
| 15 | #endif |
| 16 | |
| 17 | static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size, |
| 18 | struct syscall_arg *arg) |
| 19 | { |
| 20 | int printed = 0, flags = arg->val; |
| 21 | |
| 22 | if (flags == 0) |
| 23 | return 0; |
| 24 | |
| 25 | #define P_FLAG(n) \ |
| 26 | if (flags & PERF_FLAG_##n) { \ |
| 27 | printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ |
| 28 | flags &= ~PERF_FLAG_##n; \ |
| 29 | } |
| 30 | |
| 31 | P_FLAG(FD_NO_GROUP); |
| 32 | P_FLAG(FD_OUTPUT); |
| 33 | P_FLAG(PID_CGROUP); |
| 34 | P_FLAG(FD_CLOEXEC); |
| 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 | #define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags |