diff options
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/perf/builtin-trace.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index a05490d06374..4bf805b2fbf6 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -68,6 +68,23 @@ # define MSG_CMSG_CLOEXEC 0x40000000 #endif +#ifndef PERF_FLAG_FD_NO_GROUP +# define PERF_FLAG_FD_NO_GROUP (1UL << 0) +#endif + +#ifndef PERF_FLAG_FD_OUTPUT +# define PERF_FLAG_FD_OUTPUT (1UL << 1) +#endif + +#ifndef PERF_FLAG_PID_CGROUP +# define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ +#endif + +#ifndef PERF_FLAG_FD_CLOEXEC +# define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ +#endif + + struct tp_field { int offset; union { @@ -358,6 +375,14 @@ static size_t syscall_arg__scnprintf_hex(char *bf, size_t size, #define SCA_HEX syscall_arg__scnprintf_hex +static size_t syscall_arg__scnprintf_int(char *bf, size_t size, + struct syscall_arg *arg) +{ + return scnprintf(bf, size, "%d", arg->val); +} + +#define SCA_INT syscall_arg__scnprintf_int + static size_t syscall_arg__scnprintf_mmap_prot(char *bf, size_t size, struct syscall_arg *arg) { @@ -810,6 +835,34 @@ static size_t syscall_arg__scnprintf_open_flags(char *bf, size_t size, #define SCA_OPEN_FLAGS syscall_arg__scnprintf_open_flags +static size_t syscall_arg__scnprintf_perf_flags(char *bf, size_t size, + struct syscall_arg *arg) +{ + int printed = 0, flags = arg->val; + + if (flags == 0) + return 0; + +#define P_FLAG(n) \ + if (flags & PERF_FLAG_##n) { \ + printed += scnprintf(bf + printed, size - printed, "%s%s", printed ? "|" : "", #n); \ + flags &= ~PERF_FLAG_##n; \ + } + + P_FLAG(FD_NO_GROUP); + P_FLAG(FD_OUTPUT); + P_FLAG(PID_CGROUP); + P_FLAG(FD_CLOEXEC); +#undef P_FLAG + + if (flags) + printed += scnprintf(bf + printed, size - printed, "%s%#x", printed ? "|" : "", flags); + + return printed; +} + +#define SCA_PERF_FLAGS syscall_arg__scnprintf_perf_flags + static size_t syscall_arg__scnprintf_eventfd_flags(char *bf, size_t size, struct syscall_arg *arg) { @@ -1077,6 +1130,11 @@ static struct syscall_fmt { { .name = "openat", .errmsg = true, .arg_scnprintf = { [0] = SCA_FDAT, /* dfd */ [2] = SCA_OPEN_FLAGS, /* flags */ }, }, + { .name = "perf_event_open", .errmsg = true, + .arg_scnprintf = { [1] = SCA_INT, /* pid */ + [2] = SCA_INT, /* cpu */ + [3] = SCA_FD, /* group_fd */ + [4] = SCA_PERF_FLAGS, /* flags */ }, }, { .name = "pipe2", .errmsg = true, .arg_scnprintf = { [1] = SCA_PIPE_FLAGS, /* flags */ }, }, { .name = "poll", .errmsg = true, .timeout = true, }, |