1 // SPDX-License-Identifier: GPL-2.0 2 #ifndef PERF_FLAG_FD_NO_GROUP 3 # define PERF_FLAG_FD_NO_GROUP (1UL << 0) 4 #endif 5 6 #ifndef PERF_FLAG_FD_OUTPUT 7 # define PERF_FLAG_FD_OUTPUT (1UL << 1) 8 #endif 9 10 #ifndef PERF_FLAG_PID_CGROUP 11 # define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ 12 #endif 13 14 #ifndef PERF_FLAG_FD_CLOEXEC 15 # define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ 16 #endif 17 18 static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size, 19 struct syscall_arg *arg) 20 { 21 int printed = 0, flags = arg->val; 22 23 if (flags == 0) 24 return 0; 25 26 #define P_FLAG(n) \ 27 if (flags & PERF_FLAG_##n) { \ 28 printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ 29 flags &= ~PERF_FLAG_##n; \ 30 } 31 32 P_FLAG(FD_NO_GROUP); 33 P_FLAG(FD_OUTPUT); 34 P_FLAG(PID_CGROUP); 35 P_FLAG(FD_CLOEXEC); 36 #undef P_FLAG 37 38 if (flags) 39 printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); 40 41 return printed; 42 } 43 44 #define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags 45