diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 95059f091a2..6c6f7933eed 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -131,6 +131,7 @@ struct trace_array_cpu { atomic_t disabled; void *buffer_page; /* ring buffer spare */ + unsigned long entries; unsigned long saved_latency; unsigned long critical_start; unsigned long critical_end; @@ -152,7 +153,6 @@ struct trace_array_cpu { */ struct trace_array { struct ring_buffer *buffer; - unsigned long entries; int cpu; int buffer_disabled; cycle_t time_start; @@ -826,6 +826,8 @@ extern struct list_head ftrace_events; extern const char *__start___trace_bprintk_fmt[]; extern const char *__stop___trace_bprintk_fmt[]; +void trace_printk_init_buffers(void); + #undef FTRACE_ENTRY #define FTRACE_ENTRY(call, struct_name, id, tstruct, print, filter) \ extern struct ftrace_event_call \ @@ -836,11 +838,11 @@ extern const char *__stop___trace_bprintk_fmt[]; filter) #include "trace_entries.h" -#ifdef CONFIG_FUNCTION_TRACER +#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_FUNCTION_TRACER) int perf_ftrace_event_register(struct ftrace_event_call *call, enum trace_reg type, void *data); #else #define perf_ftrace_event_register NULL -#endif /* CONFIG_FUNCTION_TRACER */ +#endif #endif /* _LINUX_KERNEL_TRACE_H */ |