diff options
Diffstat (limited to 'kernel/trace/trace.h')
| -rw-r--r-- | kernel/trace/trace.h | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index da09a037abcd..b80fbcf70af4 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -127,12 +127,21 @@ enum trace_flag_type { #define TRACE_BUF_SIZE 1024 +struct trace_array; + +struct trace_cpu { + struct trace_array *tr; + struct dentry *dir; + int cpu; +}; + /* * The CPU trace array - it consists of thousands of trace entries * plus some other descriptor data: (for example which task started * the trace, etc.) */ struct trace_array_cpu { + struct trace_cpu trace_cpu; atomic_t disabled; void *buffer_page; /* ring buffer spare */ @@ -151,6 +160,8 @@ struct trace_array_cpu { char comm[TASK_COMM_LEN]; }; +struct tracer; + /* * The trace array - an array of per-CPU trace arrays. This is the * highest level data structure that individual tracers deal with. @@ -161,9 +172,16 @@ struct trace_array { struct list_head list; int cpu; int buffer_disabled; + struct trace_cpu trace_cpu; /* place holder */ + int stop_count; + int clock_id; + struct tracer *current_trace; unsigned int flags; cycle_t time_start; + raw_spinlock_t start_lock; struct dentry *dir; + struct dentry *options; + struct dentry *percpu_dir; struct dentry *event_dir; struct list_head systems; struct list_head events; @@ -474,6 +492,7 @@ struct dentry *trace_create_file(const char *name, void *data, const struct file_operations *fops); +struct dentry *tracing_init_dentry_tr(struct trace_array *tr); struct dentry *tracing_init_dentry(void); struct ring_buffer_event; @@ -979,7 +998,7 @@ extern const char *__stop___trace_bprintk_fmt[]; void trace_printk_init_buffers(void); void trace_printk_start_comm(void); int trace_keep_overwrite(struct tracer *tracer, u32 mask, int set); -int set_tracer_flag(unsigned int mask, int enabled); +int set_tracer_flag(struct trace_array *tr, unsigned int mask, int enabled); #undef FTRACE_ENTRY #define FTRACE_ENTRY(call, struct_name, id, tstruct, print, filter) \ |