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authorSteven Rostedt (Red Hat) <rostedt@goodmis.org>2015-05-05 10:09:53 -0400
committerSteven Rostedt <rostedt@goodmis.org>2015-05-13 14:05:16 -0400
commit7f1d2f8210195c8c309d424a77dbf06a6d2186f4 (patch)
treebbe67b455947322f4f43d082c23a096a40d18824 /kernel/trace/trace_events.c
parent9023c930902fbbcf0cebf6110828700f792989a4 (diff)
downloadlinux-7f1d2f8210195c8c309d424a77dbf06a6d2186f4.tar.gz
tracing: Rename ftrace_event_file to trace_event_file
The name "ftrace" really refers to the function hook infrastructure. It
is not about the trace_events. The structure ftrace_event_file is really
about trace events and not "ftrace". Rename it to trace_event_file.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Diffstat (limited to 'kernel/trace/trace_events.c')
-rw-r--r--kernel/trace/trace_events.c92
1 files changed, 46 insertions, 46 deletions
diff --git a/kernel/trace/trace_events.c b/kernel/trace/trace_events.c
index 5fbb06c6c3ec..4a7cc4630ced 100644
--- a/kernel/trace/trace_events.c
+++ b/kernel/trace/trace_events.c
@@ -61,7 +61,7 @@ static int system_refcount_dec(struct event_subsystem *system)
 
 #define do_for_each_event_file_safe(tr, file)			\
 	list_for_each_entry(tr, &ftrace_trace_arrays, list) {	\
-		struct ftrace_event_file *___n;				\
+		struct trace_event_file *___n;				\
 		list_for_each_entry_safe(file, ___n, &tr->events, list)
 
 #define while_for_each_event_file()		\
@@ -191,17 +191,17 @@ int trace_event_raw_init(struct ftrace_event_call *call)
 EXPORT_SYMBOL_GPL(trace_event_raw_init);
 
 void *ftrace_event_buffer_reserve(struct ftrace_event_buffer *fbuffer,
-				  struct ftrace_event_file *ftrace_file,
+				  struct trace_event_file *trace_file,
 				  unsigned long len)
 {
-	struct ftrace_event_call *event_call = ftrace_file->event_call;
+	struct ftrace_event_call *event_call = trace_file->event_call;
 
 	local_save_flags(fbuffer->flags);
 	fbuffer->pc = preempt_count();
-	fbuffer->ftrace_file = ftrace_file;
+	fbuffer->trace_file = trace_file;
 
 	fbuffer->event =
-		trace_event_buffer_lock_reserve(&fbuffer->buffer, ftrace_file,
+		trace_event_buffer_lock_reserve(&fbuffer->buffer, trace_file,
 						event_call->event.type, len,
 						fbuffer->flags, fbuffer->pc);
 	if (!fbuffer->event)
@@ -224,12 +224,12 @@ static void output_printk(struct ftrace_event_buffer *fbuffer)
 	if (!iter)
 		return;
 
-	event_call = fbuffer->ftrace_file->event_call;
+	event_call = fbuffer->trace_file->event_call;
 	if (!event_call || !event_call->event.funcs ||
 	    !event_call->event.funcs->trace)
 		return;
 
-	event = &fbuffer->ftrace_file->event_call->event;
+	event = &fbuffer->trace_file->event_call->event;
 
 	spin_lock_irqsave(&tracepoint_iter_lock, flags);
 	trace_seq_init(&iter->seq);
@@ -246,7 +246,7 @@ void ftrace_event_buffer_commit(struct ftrace_event_buffer *fbuffer)
 	if (tracepoint_printk)
 		output_printk(fbuffer);
 
-	event_trigger_unlock_commit(fbuffer->ftrace_file, fbuffer->buffer,
+	event_trigger_unlock_commit(fbuffer->trace_file, fbuffer->buffer,
 				    fbuffer->event, fbuffer->entry,
 				    fbuffer->flags, fbuffer->pc);
 }
@@ -255,7 +255,7 @@ EXPORT_SYMBOL_GPL(ftrace_event_buffer_commit);
 int trace_event_reg(struct ftrace_event_call *call,
 		    enum trace_reg type, void *data)
 {
-	struct ftrace_event_file *file = data;
+	struct trace_event_file *file = data;
 
 	WARN_ON(!(call->flags & TRACE_EVENT_FL_TRACEPOINT));
 	switch (type) {
@@ -292,7 +292,7 @@ EXPORT_SYMBOL_GPL(trace_event_reg);
 
 void trace_event_enable_cmd_record(bool enable)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct trace_array *tr;
 
 	mutex_lock(&event_mutex);
@@ -312,7 +312,7 @@ void trace_event_enable_cmd_record(bool enable)
 	mutex_unlock(&event_mutex);
 }
 
-static int __ftrace_event_enable_disable(struct ftrace_event_file *file,
+static int __ftrace_event_enable_disable(struct trace_event_file *file,
 					 int enable, int soft_disable)
 {
 	struct ftrace_event_call *call = file->event_call;
@@ -401,13 +401,13 @@ static int __ftrace_event_enable_disable(struct ftrace_event_file *file,
 	return ret;
 }
 
-int trace_event_enable_disable(struct ftrace_event_file *file,
+int trace_event_enable_disable(struct trace_event_file *file,
 			       int enable, int soft_disable)
 {
 	return __ftrace_event_enable_disable(file, enable, soft_disable);
 }
 
-static int ftrace_event_enable_disable(struct ftrace_event_file *file,
+static int ftrace_event_enable_disable(struct trace_event_file *file,
 				       int enable)
 {
 	return __ftrace_event_enable_disable(file, enable, 0);
@@ -415,7 +415,7 @@ static int ftrace_event_enable_disable(struct ftrace_event_file *file,
 
 static void ftrace_clear_events(struct trace_array *tr)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 
 	mutex_lock(&event_mutex);
 	list_for_each_entry(file, &tr->events, list) {
@@ -486,7 +486,7 @@ static void remove_subsystem(struct ftrace_subsystem_dir *dir)
 	}
 }
 
-static void remove_event_file_dir(struct ftrace_event_file *file)
+static void remove_event_file_dir(struct trace_event_file *file)
 {
 	struct dentry *dir = file->dir;
 	struct dentry *child;
@@ -515,7 +515,7 @@ static int
 __ftrace_set_clr_event_nolock(struct trace_array *tr, const char *match,
 			      const char *sub, const char *event, int set)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct ftrace_event_call *call;
 	const char *name;
 	int ret = -EINVAL;
@@ -671,7 +671,7 @@ ftrace_event_write(struct file *file, const char __user *ubuf,
 static void *
 t_next(struct seq_file *m, void *v, loff_t *pos)
 {
-	struct ftrace_event_file *file = v;
+	struct trace_event_file *file = v;
 	struct ftrace_event_call *call;
 	struct trace_array *tr = m->private;
 
@@ -692,13 +692,13 @@ t_next(struct seq_file *m, void *v, loff_t *pos)
 
 static void *t_start(struct seq_file *m, loff_t *pos)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct trace_array *tr = m->private;
 	loff_t l;
 
 	mutex_lock(&event_mutex);
 
-	file = list_entry(&tr->events, struct ftrace_event_file, list);
+	file = list_entry(&tr->events, struct trace_event_file, list);
 	for (l = 0; l <= *pos; ) {
 		file = t_next(m, file, &l);
 		if (!file)
@@ -710,7 +710,7 @@ static void *t_start(struct seq_file *m, loff_t *pos)
 static void *
 s_next(struct seq_file *m, void *v, loff_t *pos)
 {
-	struct ftrace_event_file *file = v;
+	struct trace_event_file *file = v;
 	struct trace_array *tr = m->private;
 
 	(*pos)++;
@@ -725,13 +725,13 @@ s_next(struct seq_file *m, void *v, loff_t *pos)
 
 static void *s_start(struct seq_file *m, loff_t *pos)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct trace_array *tr = m->private;
 	loff_t l;
 
 	mutex_lock(&event_mutex);
 
-	file = list_entry(&tr->events, struct ftrace_event_file, list);
+	file = list_entry(&tr->events, struct trace_event_file, list);
 	for (l = 0; l <= *pos; ) {
 		file = s_next(m, file, &l);
 		if (!file)
@@ -742,7 +742,7 @@ static void *s_start(struct seq_file *m, loff_t *pos)
 
 static int t_show(struct seq_file *m, void *v)
 {
-	struct ftrace_event_file *file = v;
+	struct trace_event_file *file = v;
 	struct ftrace_event_call *call = file->event_call;
 
 	if (strcmp(call->class->system, TRACE_SYSTEM) != 0)
@@ -761,7 +761,7 @@ static ssize_t
 event_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 		  loff_t *ppos)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	unsigned long flags;
 	char buf[4] = "0";
 
@@ -791,7 +791,7 @@ static ssize_t
 event_enable_write(struct file *filp, const char __user *ubuf, size_t cnt,
 		   loff_t *ppos)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	unsigned long val;
 	int ret;
 
@@ -831,7 +831,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 	struct ftrace_subsystem_dir *dir = filp->private_data;
 	struct event_subsystem *system = dir->subsystem;
 	struct ftrace_event_call *call;
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct trace_array *tr = dir->tr;
 	char buf[2];
 	int set = 0;
@@ -1062,7 +1062,7 @@ static ssize_t
 event_filter_read(struct file *filp, char __user *ubuf, size_t cnt,
 		  loff_t *ppos)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct trace_seq *s;
 	int r = -ENODEV;
 
@@ -1095,7 +1095,7 @@ static ssize_t
 event_filter_write(struct file *filp, const char __user *ubuf, size_t cnt,
 		   loff_t *ppos)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	char *buf;
 	int err = -ENODEV;
 
@@ -1497,7 +1497,7 @@ create_new_subsystem(const char *name)
 
 static struct dentry *
 event_subsystem_dir(struct trace_array *tr, const char *name,
-		    struct ftrace_event_file *file, struct dentry *parent)
+		    struct trace_event_file *file, struct dentry *parent)
 {
 	struct ftrace_subsystem_dir *dir;
 	struct event_subsystem *system;
@@ -1571,7 +1571,7 @@ event_subsystem_dir(struct trace_array *tr, const char *name,
 }
 
 static int
-event_create_dir(struct dentry *parent, struct ftrace_event_file *file)
+event_create_dir(struct dentry *parent, struct trace_event_file *file)
 {
 	struct ftrace_event_call *call = file->event_call;
 	struct trace_array *tr = file->tr;
@@ -1636,7 +1636,7 @@ event_create_dir(struct dentry *parent, struct ftrace_event_file *file)
 
 static void remove_event_from_tracers(struct ftrace_event_call *call)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct trace_array *tr;
 
 	do_for_each_event_file_safe(tr, file) {
@@ -1657,7 +1657,7 @@ static void remove_event_from_tracers(struct ftrace_event_call *call)
 static void event_remove(struct ftrace_event_call *call)
 {
 	struct trace_array *tr;
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 
 	do_for_each_event_file(tr, file) {
 		if (file->event_call != call)
@@ -1836,11 +1836,11 @@ void trace_event_enum_update(struct trace_enum_map **map, int len)
 	up_write(&trace_event_sem);
 }
 
-static struct ftrace_event_file *
+static struct trace_event_file *
 trace_create_new_event(struct ftrace_event_call *call,
 		       struct trace_array *tr)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 
 	file = kmem_cache_alloc(file_cachep, GFP_TRACE);
 	if (!file)
@@ -1860,7 +1860,7 @@ trace_create_new_event(struct ftrace_event_call *call,
 static int
 __trace_add_new_event(struct ftrace_event_call *call, struct trace_array *tr)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 
 	file = trace_create_new_event(call, tr);
 	if (!file)
@@ -1878,7 +1878,7 @@ static __init int
 __trace_early_add_new_event(struct ftrace_event_call *call,
 			    struct trace_array *tr)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 
 	file = trace_create_new_event(call, tr);
 	if (!file)
@@ -1921,7 +1921,7 @@ static void __trace_remove_event_call(struct ftrace_event_call *call)
 static int probe_remove_event_call(struct ftrace_event_call *call)
 {
 	struct trace_array *tr;
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 
 #ifdef CONFIG_PERF_EVENTS
 	if (call->perf_refcount)
@@ -2066,10 +2066,10 @@ __trace_add_event_dirs(struct trace_array *tr)
 	}
 }
 
-struct ftrace_event_file *
+struct trace_event_file *
 find_event_file(struct trace_array *tr, const char *system,  const char *event)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct ftrace_event_call *call;
 	const char *name;
 
@@ -2098,7 +2098,7 @@ find_event_file(struct trace_array *tr, const char *system,  const char *event)
 #define DISABLE_EVENT_STR	"disable_event"
 
 struct event_probe_data {
-	struct ftrace_event_file	*file;
+	struct trace_event_file	*file;
 	unsigned long			count;
 	int				ref;
 	bool				enable;
@@ -2226,7 +2226,7 @@ event_enable_func(struct ftrace_hash *hash,
 		  char *glob, char *cmd, char *param, int enabled)
 {
 	struct trace_array *tr = top_trace_array();
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct ftrace_probe_ops *ops;
 	struct event_probe_data *data;
 	const char *system;
@@ -2358,7 +2358,7 @@ static inline int register_event_cmds(void) { return 0; }
 #endif /* CONFIG_DYNAMIC_FTRACE */
 
 /*
- * The top level array has already had its ftrace_event_file
+ * The top level array has already had its trace_event_file
  * descriptors created in order to allow for early events to
  * be recorded. This function is called after the tracefs has been
  * initialized, and we now have to create the files associated
@@ -2367,7 +2367,7 @@ static inline int register_event_cmds(void) { return 0; }
 static __init void
 __trace_early_add_event_dirs(struct trace_array *tr)
 {
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	int ret;
 
 
@@ -2407,7 +2407,7 @@ __trace_early_add_events(struct trace_array *tr)
 static void
 __trace_remove_event_dirs(struct trace_array *tr)
 {
-	struct ftrace_event_file *file, *next;
+	struct trace_event_file *file, *next;
 
 	list_for_each_entry_safe(file, next, &tr->events, list)
 		remove_event_file_dir(file);
@@ -2557,7 +2557,7 @@ int event_trace_del_tracer(struct trace_array *tr)
 static __init int event_trace_memsetup(void)
 {
 	field_cachep = KMEM_CACHE(ftrace_event_field, SLAB_PANIC);
-	file_cachep = KMEM_CACHE(ftrace_event_file, SLAB_PANIC);
+	file_cachep = KMEM_CACHE(trace_event_file, SLAB_PANIC);
 	return 0;
 }
 
@@ -2755,7 +2755,7 @@ static __init void event_test_stuff(void)
 static __init void event_trace_self_tests(void)
 {
 	struct ftrace_subsystem_dir *dir;
-	struct ftrace_event_file *file;
+	struct trace_event_file *file;
 	struct ftrace_event_call *call;
 	struct event_subsystem *system;
 	struct trace_array *tr;