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authorFrederic Weisbecker <fweisbec@gmail.com>2009-07-29 17:51:13 +0200
committerFrederic Weisbecker <fweisbec@gmail.com>2009-08-06 07:28:05 +0200
commitc0a0d0d3f65284c71115a9bb1ed801ee33eeb552 (patch)
treeac4c74e18c73f368abc8721f8f04c9101069fcaf /kernel/trace/trace.h
parent5e5bf483986ad86ad25f25eec5299c86eb2d1c57 (diff)
tracing/core: Make the stack entry helpers global
Make the stacktrace event insertion helpers globals. This has two effects: - Prepare for moving the sched events insertion helpers to the sched switch tracer file. - Move some ifdef outside function definitions Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com> Cc: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace.h')
-rw-r--r--kernel/trace/trace.h28
1 files changed, 25 insertions, 3 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index c7e92732982..116524d6236 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -489,9 +489,31 @@ 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);