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| author | Frederic Weisbecker <fweisbec@gmail.com> | 2009-07-29 17:51:13 +0200 |
|---|---|---|
| committer | Frederic Weisbecker <fweisbec@gmail.com> | 2009-08-06 07:28:05 +0200 |
| commit | c0a0d0d3f65284c71115a9bb1ed801ee33eeb552 (patch) | |
| tree | ac4c74e18c73f368abc8721f8f04c9101069fcaf /kernel/trace/trace.c | |
| parent | 5e5bf483986ad86ad25f25eec5299c86eb2d1c57 (diff) | |
| download | lwn-c0a0d0d3f65284c71115a9bb1ed801ee33eeb552.tar.gz lwn-c0a0d0d3f65284c71115a9bb1ed801ee33eeb552.zip | |
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.c')
| -rw-r--r-- | kernel/trace/trace.c | 24 |
1 files changed, 8 insertions, 16 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c index b6211d604131..d6059a493e7f 100644 --- a/kernel/trace/trace.c +++ b/kernel/trace/trace.c @@ -866,10 +866,6 @@ struct ring_buffer_event *trace_buffer_lock_reserve(struct trace_array *tr, return event; } -static void ftrace_trace_stack(struct trace_array *tr, - unsigned long flags, int skip, int pc); -static void ftrace_trace_userstack(struct trace_array *tr, - unsigned long flags, int pc); static inline void __trace_buffer_unlock_commit(struct trace_array *tr, struct ring_buffer_event *event, @@ -1003,11 +999,11 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data, trace_function(tr, ip, parent_ip, flags, pc); } +#ifdef CONFIG_STACKTRACE static void __ftrace_trace_stack(struct trace_array *tr, unsigned long flags, int skip, int pc) { -#ifdef CONFIG_STACKTRACE struct ftrace_event_call *call = &event_kernel_stack; struct ring_buffer_event *event; struct stack_entry *entry; @@ -1028,12 +1024,10 @@ static void __ftrace_trace_stack(struct trace_array *tr, save_stack_trace(&trace); if (!filter_check_discard(call, entry, tr->buffer, event)) ring_buffer_unlock_commit(tr->buffer, event); -#endif } -static void ftrace_trace_stack(struct trace_array *tr, - unsigned long flags, - int skip, int pc) +void ftrace_trace_stack(struct trace_array *tr, unsigned long flags, int skip, + int pc) { if (!(trace_flags & TRACE_ITER_STACKTRACE)) return; @@ -1041,17 +1035,14 @@ static void ftrace_trace_stack(struct trace_array *tr, __ftrace_trace_stack(tr, flags, skip, pc); } -void __trace_stack(struct trace_array *tr, - unsigned long flags, - int skip, int pc) +void __trace_stack(struct trace_array *tr, unsigned long flags, int skip, + int pc) { __ftrace_trace_stack(tr, flags, skip, pc); } -static void ftrace_trace_userstack(struct trace_array *tr, - unsigned long flags, int pc) +void ftrace_trace_userstack(struct trace_array *tr, unsigned long flags, int pc) { -#ifdef CONFIG_STACKTRACE struct ftrace_event_call *call = &event_user_stack; struct ring_buffer_event *event; struct userstack_entry *entry; @@ -1076,7 +1067,6 @@ static void ftrace_trace_userstack(struct trace_array *tr, save_stack_trace_user(&trace); if (!filter_check_discard(call, entry, tr->buffer, event)) ring_buffer_unlock_commit(tr->buffer, event); -#endif } #ifdef UNUSED @@ -1086,6 +1076,8 @@ static void __trace_userstack(struct trace_array *tr, unsigned long flags) } #endif /* UNUSED */ +#endif /* CONFIG_STACKTRACE */ + static void ftrace_trace_special(void *__tr, unsigned long arg1, unsigned long arg2, unsigned long arg3, |