diff options
Diffstat (limited to 'include/linux/trace.h')
| -rw-r--r-- | include/linux/trace.h | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/include/linux/trace.h b/include/linux/trace.h index 80ffda871749..7eaad857dee0 100644 --- a/include/linux/trace.h +++ b/include/linux/trace.h @@ -33,13 +33,25 @@ struct trace_array; int register_ftrace_export(struct trace_export *export); int unregister_ftrace_export(struct trace_export *export); +/** + * trace_array_puts - write a constant string into the trace buffer. + * @tr: The trace array to write to + * @str: The constant string to write + */ +#define trace_array_puts(tr, str) \ + ({ \ + str ? __trace_array_puts(tr, _THIS_IP_, str, strlen(str)) : -1; \ + }) +int __trace_array_puts(struct trace_array *tr, unsigned long ip, + const char *str, int size); + void trace_printk_init_buffers(void); __printf(3, 4) int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...); int trace_array_init_printk(struct trace_array *tr); void trace_array_put(struct trace_array *tr); -struct trace_array *trace_array_get_by_name(const char *name); +struct trace_array *trace_array_get_by_name(const char *name, const char *systems); int trace_array_destroy(struct trace_array *tr); /* For osnoise tracer */ @@ -60,8 +72,8 @@ static inline int unregister_ftrace_export(struct trace_export *export) static inline void trace_printk_init_buffers(void) { } -static inline int trace_array_printk(struct trace_array *tr, unsigned long ip, - const char *fmt, ...) +static inline __printf(3, 4) +int trace_array_printk(struct trace_array *tr, unsigned long ip, const char *fmt, ...) { return 0; } @@ -72,7 +84,7 @@ static inline int trace_array_init_printk(struct trace_array *tr) static inline void trace_array_put(struct trace_array *tr) { } -static inline struct trace_array *trace_array_get_by_name(const char *name) +static inline struct trace_array *trace_array_get_by_name(const char *name, const char *systems) { return NULL; } |