diff options
Diffstat (limited to 'kernel/trace')
| -rw-r--r-- | kernel/trace/trace.h | 5 | ||||
| -rw-r--r-- | kernel/trace/trace_syscalls.c | 11 |
2 files changed, 16 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index c10456e72106..0044b91d5469 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -1394,8 +1394,13 @@ int perf_ftrace_event_register(struct trace_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 0655afbea83f..50be5602217c 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) |