Add a utility function to grab the syscall name from the syscall metadata, given a syscall id.
Signed-off-by: Tom Zanussi <tom.zanu...@linux.intel.com> --- kernel/trace/trace.h | 5 +++++ kernel/trace/trace_syscalls.c | 11 +++++++++++ 2 files changed, 16 insertions(+) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 89dd87a..3d38c2e 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1317,8 +1317,13 @@ int perf_ftrace_event_register(struct ftrace_event_call *call, #ifdef CONFIG_FTRACE_SYSCALLS void init_ftrace_syscalls(void); +const char *get_syscall_name(int syscall); #else static inline void init_ftrace_syscalls(void) { } +static inline const char *get_syscall_name(int syscall) +{ + return NULL; +} #endif #ifdef CONFIG_EVENT_TRACING diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c index c6ee36f..35dfcf3 100644 --- a/kernel/trace/trace_syscalls.c +++ b/kernel/trace/trace_syscalls.c @@ -106,6 +106,17 @@ static struct syscall_metadata *syscall_nr_to_meta(int nr) return syscalls_metadata[nr]; } +const char *get_syscall_name(int syscall) +{ + struct syscall_metadata *entry; + + entry = syscall_nr_to_meta(syscall); + if (!entry) + return NULL; + + return entry->name; +} + static enum print_line_t print_syscall_enter(struct trace_iterator *iter, int flags, struct trace_event *event) -- 1.9.3 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/