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-rw-r--r--kernel/trace/trace.h37
1 files changed, 33 insertions, 4 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 8b9f4f6e955..d682357e4b1 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -467,6 +467,7 @@ void trace_function(struct trace_array *tr,
void trace_graph_return(struct ftrace_graph_ret *trace);
int trace_graph_entry(struct ftrace_graph_ent *trace);
+void set_graph_array(struct trace_array *tr);
void tracing_start_cmdline_record(void);
void tracing_stop_cmdline_record(void);
@@ -485,9 +486,31 @@ void update_max_tr(struct trace_array *tr, struct task_struct *tsk, int cpu);
void update_max_tr_single(struct trace_array *tr,
struct task_struct *tsk, int cpu);
-void __trace_stack(struct trace_array *tr,
- unsigned long flags,
- int skip, int pc);
+#ifdef CONFIG_STACKTRACE
+void ftrace_trace_stack(struct trace_array *tr, unsigned long flags,
+ int skip, int pc);
+
+void ftrace_trace_userstack(struct trace_array *tr, unsigned long flags,
+ int pc);
+
+void __trace_stack(struct trace_array *tr, unsigned long flags, int skip,
+ int pc);
+#else
+static inline void ftrace_trace_stack(struct trace_array *tr,
+ unsigned long flags, int skip, int pc)
+{
+}
+
+static inline void ftrace_trace_userstack(struct trace_array *tr,
+ unsigned long flags, int pc)
+{
+}
+
+static inline void __trace_stack(struct trace_array *tr, unsigned long flags,
+ int skip, int pc)
+{
+}
+#endif /* CONFIG_STACKTRACE */
extern cycle_t ftrace_now(int cpu);
@@ -513,6 +536,10 @@ extern unsigned long ftrace_update_tot_cnt;
extern int DYN_FTRACE_TEST_NAME(void);
#endif
+extern int ring_buffer_expanded;
+extern bool tracing_selftest_disabled;
+DECLARE_PER_CPU(local_t, ftrace_cpu_disabled);
+
#ifdef CONFIG_FTRACE_STARTUP_TEST
extern int trace_selftest_startup_function(struct tracer *trace,
struct trace_array *tr);
@@ -743,13 +770,15 @@ struct event_filter {
int n_preds;
struct filter_pred **preds;
char *filter_string;
+ bool no_reset;
};
struct event_subsystem {
struct list_head list;
const char *name;
struct dentry *entry;
- void *filter;
+ struct event_filter *filter;
+ int nr_events;
};
struct filter_pred;