summaryrefslogtreecommitdiff
path: root/kernel/trace/trace.h
diff options
context:
space:
mode:
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h26
1 files changed, 21 insertions, 5 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 9691b47b5f3d..9c21ba45b7af 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -400,6 +400,9 @@ struct trace_array {
cpumask_var_t pipe_cpumask;
int ref;
int trace_ref;
+#ifdef CONFIG_MODULES
+ struct list_head mod_events;
+#endif
#ifdef CONFIG_FUNCTION_TRACER
struct ftrace_ops *ops;
struct trace_pid_list __rcu *function_pids;
@@ -432,8 +435,18 @@ struct trace_array {
enum {
TRACE_ARRAY_FL_GLOBAL = BIT(0),
TRACE_ARRAY_FL_BOOT = BIT(1),
+ TRACE_ARRAY_FL_MOD_INIT = BIT(2),
};
+#ifdef CONFIG_MODULES
+bool module_exists(const char *module);
+#else
+static inline bool module_exists(const char *module)
+{
+ return false;
+}
+#endif
+
extern struct list_head ftrace_trace_arrays;
extern struct mutex trace_types_lock;
@@ -693,8 +706,10 @@ void trace_latency_header(struct seq_file *m);
void trace_default_header(struct seq_file *m);
void print_trace_header(struct seq_file *m, struct trace_iterator *iter);
-void trace_graph_return(struct ftrace_graph_ret *trace, struct fgraph_ops *gops);
-int trace_graph_entry(struct ftrace_graph_ent *trace, struct fgraph_ops *gops);
+void trace_graph_return(struct ftrace_graph_ret *trace, struct fgraph_ops *gops,
+ struct ftrace_regs *fregs);
+int trace_graph_entry(struct ftrace_graph_ent *trace, struct fgraph_ops *gops,
+ struct ftrace_regs *fregs);
void tracing_start_cmdline_record(void);
void tracing_stop_cmdline_record(void);
@@ -717,8 +732,6 @@ extern unsigned long tracing_thresh;
/* PID filtering */
-extern int pid_max;
-
bool trace_find_filtered_pid(struct trace_pid_list *filtered_pids,
pid_t search_pid);
bool trace_ignore_this_task(struct trace_pid_list *filtered_pids,
@@ -911,7 +924,9 @@ extern int __trace_graph_retaddr_entry(struct trace_array *tr,
unsigned long retaddr);
extern void __trace_graph_return(struct trace_array *tr,
struct ftrace_graph_ret *trace,
- unsigned int trace_ctx);
+ unsigned int trace_ctx,
+ u64 calltime, u64 rettime);
+
extern void init_array_fgraph_ops(struct trace_array *tr, struct ftrace_ops *ops);
extern int allocate_fgraph_ops(struct trace_array *tr, struct ftrace_ops *ops);
extern void free_fgraph_ops(struct trace_array *tr);
@@ -1114,6 +1129,7 @@ void ftrace_destroy_function_files(struct trace_array *tr);
int ftrace_allocate_ftrace_ops(struct trace_array *tr);
void ftrace_free_ftrace_ops(struct trace_array *tr);
void ftrace_init_global_array_ops(struct trace_array *tr);
+struct trace_array *trace_get_global_array(void);
void ftrace_init_array_ops(struct trace_array *tr, ftrace_func_t func);
void ftrace_reset_array_ops(struct trace_array *tr);
void ftrace_init_tracefs(struct trace_array *tr, struct dentry *d_tracer);