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authorPekka Paalanen <pq@iki.fi>2008-09-16 21:56:41 +0300
committerIngo Molnar <mingo@elte.hu>2008-10-14 10:37:04 +0200
commit45dcd8b8a8ca855591e3ac882d3a7fc255d09d43 (patch)
tree55b1772dfc9a6381ab1ecad7f3f6fbd605427f20
parentbbe5c7830c6dbde58726d44ec0337bc8b2d95d37 (diff)
ftrace: move mmiotrace functions out of trace.c
Moves the mmiotrace specific functions from trace.c to trace_mmiotrace.c. Functions trace_wake_up(), tracing_get_trace_entry(), and tracing_generic_entry_update() are therefore made available outside trace.c. Signed-off-by: Pekka Paalanen <pq@iki.fi> Acked-by: Steven Rostedt <rostedt@goodmis.org> Signed-off-by: Ingo Molnar <mingo@elte.hu>
-rw-r--r--kernel/trace/trace.c46
-rw-r--r--kernel/trace/trace.h15
-rw-r--r--kernel/trace/trace_mmiotrace.c42
3 files changed, 50 insertions, 53 deletions
diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 7e6cb4fe62f2..d372bc535963 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -785,7 +785,7 @@ trace_next_page(struct trace_array_cpu *data, void *addr)
return page_address(page);
}
-static inline struct trace_entry *
+struct trace_entry *
tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
{
unsigned long idx, idx_next;
@@ -821,7 +821,7 @@ tracing_get_trace_entry(struct trace_array *tr, struct trace_array_cpu *data)
return entry;
}
-static inline void
+void
tracing_generic_entry_update(struct trace_entry *entry, unsigned long flags)
{
struct task_struct *tsk = current;
@@ -865,48 +865,6 @@ ftrace(struct trace_array *tr, struct trace_array_cpu *data,
trace_function(tr, data, ip, parent_ip, flags);
}
-#ifdef CONFIG_MMIOTRACE
-void __trace_mmiotrace_rw(struct trace_array *tr, struct trace_array_cpu *data,
- struct mmiotrace_rw *rw)
-{
- struct trace_entry *entry;
- unsigned long irq_flags;
-
- raw_local_irq_save(irq_flags);
- __raw_spin_lock(&data->lock);
-
- entry = tracing_get_trace_entry(tr, data);
- tracing_generic_entry_update(entry, 0);
- entry->type = TRACE_MMIO_RW;
- entry->field.mmiorw = *rw;
-
- __raw_spin_unlock(&data->lock);
- raw_local_irq_restore(irq_flags);
-
- trace_wake_up();
-}
-
-void __trace_mmiotrace_map(struct trace_array *tr, struct trace_array_cpu *data,
- struct mmiotrace_map *map)
-{
- struct trace_entry *entry;
- unsigned long irq_flags;
-
- raw_local_irq_save(irq_flags);
- __raw_spin_lock(&data->lock);
-
- entry = tracing_get_trace_entry(tr, data);
- tracing_generic_entry_update(entry, 0);
- entry->type = TRACE_MMIO_MAP;
- entry->field.mmiomap = *map;
-
- __raw_spin_unlock(&data->lock);
- raw_local_irq_restore(irq_flags);
-
- trace_wake_up();
-}
-#endif
-
void __trace_stack(struct trace_array *tr,
struct trace_array_cpu *data,
unsigned long flags,
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 77c265f6a779..9d39aa00a9c6 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -213,11 +213,17 @@ struct trace_iterator {
long idx;
};
+void trace_wake_up(void);
void tracing_reset(struct trace_array_cpu *data);
int tracing_open_generic(struct inode *inode, struct file *filp);
struct dentry *tracing_init_dentry(void);
void init_tracer_sysprof_debugfs(struct dentry *d_tracer);
+struct trace_entry *tracing_get_trace_entry(struct trace_array *tr,
+ struct trace_array_cpu *data);
+void tracing_generic_entry_update(struct trace_entry *entry,
+ unsigned long flags);
+
void ftrace(struct trace_array *tr,
struct trace_array_cpu *data,
unsigned long ip,
@@ -291,15 +297,6 @@ extern unsigned long ftrace_update_tot_cnt;
extern int DYN_FTRACE_TEST_NAME(void);
#endif
-#ifdef CONFIG_MMIOTRACE
-extern void __trace_mmiotrace_rw(struct trace_array *tr,
- struct trace_array_cpu *data,
- struct mmiotrace_rw *rw);
-extern void __trace_mmiotrace_map(struct trace_array *tr,
- struct trace_array_cpu *data,
- struct mmiotrace_map *map);
-#endif
-
#ifdef CONFIG_FTRACE_STARTUP_TEST
#ifdef CONFIG_FTRACE
extern int trace_selftest_startup_function(struct tracer *trace,
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 9b7a936f4b1f..ef02747b26d9 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -276,6 +276,27 @@ __init static int init_mmio_trace(void)
}
device_initcall(init_mmio_trace);
+static void __trace_mmiotrace_rw(struct trace_array *tr,
+ struct trace_array_cpu *data,
+ struct mmiotrace_rw *rw)
+{
+ struct trace_entry *entry;
+ unsigned long irq_flags;
+
+ raw_local_irq_save(irq_flags);
+ __raw_spin_lock(&data->lock);
+
+ entry = tracing_get_trace_entry(tr, data);
+ tracing_generic_entry_update(entry, 0);
+ entry->type = TRACE_MMIO_RW;
+ entry->field.mmiorw = *rw;
+
+ __raw_spin_unlock(&data->lock);
+ raw_local_irq_restore(irq_flags);
+
+ trace_wake_up();
+}
+
void mmio_trace_rw(struct mmiotrace_rw *rw)
{
struct trace_array *tr = mmio_trace_array;
@@ -283,6 +304,27 @@ void mmio_trace_rw(struct mmiotrace_rw *rw)
__trace_mmiotrace_rw(tr, data, rw);
}
+static void __trace_mmiotrace_map(struct trace_array *tr,
+ struct trace_array_cpu *data,
+ struct mmiotrace_map *map)
+{
+ struct trace_entry *entry;
+ unsigned long irq_flags;
+
+ raw_local_irq_save(irq_flags);
+ __raw_spin_lock(&data->lock);
+
+ entry = tracing_get_trace_entry(tr, data);
+ tracing_generic_entry_update(entry, 0);
+ entry->type = TRACE_MMIO_MAP;
+ entry->field.mmiomap = *map;
+
+ __raw_spin_unlock(&data->lock);
+ raw_local_irq_restore(irq_flags);
+
+ trace_wake_up();
+}
+
void mmio_trace_mapping(struct mmiotrace_map *map)
{
struct trace_array *tr = mmio_trace_array;