tracing: Rename ftrace_event_name() to trace_event_name()

The name "ftrace" really refers to the function hook infrastructure. It
is not about the trace_events. ftrace_event_name() returns the name of
an event tracepoint, has nothing to do with function tracing. Rename it
to trace_event_name().

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>

include/linux/trace_events.h

@@ -304,7 +304,7 @@ struct trace_event_call {
 };
 
 static inline const char *
-ftrace_event_name(struct trace_event_call *call)
+trace_event_name(struct trace_event_call *call)
 {
 	if (call->flags & TRACE_EVENT_FL_TRACEPOINT)
 		return call->tp ? call->tp->name : NULL;

kernel/trace/trace_events.c

@@ -387,7 +387,7 @@ static int __ftrace_event_enable_disable(struct trace_event_file *file,
 			if (ret) {
 				tracing_stop_cmdline_record();
 				pr_info("event trace: Could not enable event "
-					"%s\n", ftrace_event_name(call));
+					"%s\n", trace_event_name(call));
 				break;
 			}
 			set_bit(FTRACE_EVENT_FL_ENABLED_BIT, &file->flags);
@@ -523,7 +523,7 @@ __ftrace_set_clr_event_nolock(struct trace_array *tr, const char *match,
 	list_for_each_entry(file, &tr->events, list) {
 
 		call = file->event_call;
-		name = ftrace_event_name(call);
+		name = trace_event_name(call);
 
 		if (!name || !call->class || !call->class->reg)
 			continue;
@@ -747,7 +747,7 @@ static int t_show(struct seq_file *m, void *v)
 
 	if (strcmp(call->class->system, TRACE_SYSTEM) != 0)
 		seq_printf(m, "%s:", call->class->system);
-	seq_printf(m, "%s\n", ftrace_event_name(call));
+	seq_printf(m, "%s\n", trace_event_name(call));
 
 	return 0;
 }
@@ -840,7 +840,7 @@ system_enable_read(struct file *filp, char __user *ubuf, size_t cnt,
 	mutex_lock(&event_mutex);
 	list_for_each_entry(file, &tr->events, list) {
 		call = file->event_call;
-		if (!ftrace_event_name(call) || !call->class || !call->class->reg)
+		if (!trace_event_name(call) || !call->class || !call->class->reg)
 			continue;
 
 		if (system && strcmp(call->class->system, system->name) != 0)
@@ -955,7 +955,7 @@ static int f_show(struct seq_file *m, void *v)
 
 	switch ((unsigned long)v) {
 	case FORMAT_HEADER:
-		seq_printf(m, "name: %s\n", ftrace_event_name(call));
+		seq_printf(m, "name: %s\n", trace_event_name(call));
 		seq_printf(m, "ID: %d\n", call->event.type);
 		seq_puts(m, "format:\n");
 		return 0;
@@ -1591,7 +1591,7 @@ event_create_dir(struct dentry *parent, struct trace_event_file *file)
 	} else
 		d_events = parent;
 
-	name = ftrace_event_name(call);
+	name = trace_event_name(call);
 	file->dir = tracefs_create_dir(name, d_events);
 	if (!file->dir) {
 		pr_warn("Could not create tracefs '%s' directory\n", name);
@@ -1683,7 +1683,7 @@ static int event_init(struct trace_event_call *call)
 	int ret = 0;
 	const char *name;
 
-	name = ftrace_event_name(call);
+	name = trace_event_name(call);
 	if (WARN_ON(!name))
 		return -EINVAL;
 
@@ -2062,7 +2062,7 @@ __trace_add_event_dirs(struct trace_array *tr)
 		ret = __trace_add_new_event(call, tr);
 		if (ret < 0)
 			pr_warn("Could not create directory for event %s\n",
-				ftrace_event_name(call));
+				trace_event_name(call));
 	}
 }
 
@@ -2076,7 +2076,7 @@ find_event_file(struct trace_array *tr, const char *system,  const char *event)
 	list_for_each_entry(file, &tr->events, list) {
 
 		call = file->event_call;
-		name = ftrace_event_name(call);
+		name = trace_event_name(call);
 
 		if (!name || !call->class || !call->class->reg)
 			continue;
@@ -2152,7 +2152,7 @@ event_enable_print(struct seq_file *m, unsigned long ip,
 	seq_printf(m, "%s:%s:%s",
 		   data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR,
 		   data->file->event_call->class->system,
-		   ftrace_event_name(data->file->event_call));
+		   trace_event_name(data->file->event_call));
 
 	if (data->count == -1)
 		seq_puts(m, ":unlimited\n");
@@ -2375,7 +2375,7 @@ __trace_early_add_event_dirs(struct trace_array *tr)
 		ret = event_create_dir(tr->event_dir, file);
 		if (ret < 0)
 			pr_warn("Could not create directory for event %s\n",
-				ftrace_event_name(file->event_call));
+				trace_event_name(file->event_call));
 	}
 }
 
@@ -2399,7 +2399,7 @@ __trace_early_add_events(struct trace_array *tr)
 		ret = __trace_early_add_new_event(call, tr);
 		if (ret < 0)
 			pr_warn("Could not create early event %s\n",
-				ftrace_event_name(call));
+				trace_event_name(call));
 	}
 }
 
@@ -2787,7 +2787,7 @@ static __init void event_trace_self_tests(void)
 			continue;
 #endif
 
-		pr_info("Testing event %s: ", ftrace_event_name(call));
+		pr_info("Testing event %s: ", trace_event_name(call));
 
 		/*
 		 * If an event is already enabled, someone is using

kernel/trace/trace_events_trigger.c

@@ -1095,7 +1095,7 @@ event_enable_trigger_print(struct seq_file *m, struct event_trigger_ops *ops,
 	seq_printf(m, "%s:%s:%s",
 		   enable_data->enable ? ENABLE_EVENT_STR : DISABLE_EVENT_STR,
 		   enable_data->file->event_call->class->system,
-		   ftrace_event_name(enable_data->file->event_call));
+		   trace_event_name(enable_data->file->event_call));
 
 	if (data->count == -1)
 		seq_puts(m, ":unlimited");

kernel/trace/trace_kprobe.c

@@ -348,7 +348,7 @@ static struct trace_kprobe *find_trace_kprobe(const char *event,
 	struct trace_kprobe *tk;
 
 	list_for_each_entry(tk, &probe_list, list)
-		if (strcmp(ftrace_event_name(&tk->tp.call), event) == 0 &&
+		if (strcmp(trace_event_name(&tk->tp.call), event) == 0 &&
 		    strcmp(tk->tp.call.class->system, group) == 0)
 			return tk;
 	return NULL;
@@ -523,7 +523,7 @@ static int register_trace_kprobe(struct trace_kprobe *tk)
 	mutex_lock(&probe_lock);
 
 	/* Delete old (same name) event if exist */
-	old_tk = find_trace_kprobe(ftrace_event_name(&tk->tp.call),
+	old_tk = find_trace_kprobe(trace_event_name(&tk->tp.call),
 			tk->tp.call.class->system);
 	if (old_tk) {
 		ret = unregister_trace_kprobe(old_tk);
@@ -572,7 +572,7 @@ static int trace_kprobe_module_callback(struct notifier_block *nb,
 			if (ret)
 				pr_warning("Failed to re-register probe %s on"
 					   "%s: %d\n",
-					   ftrace_event_name(&tk->tp.call),
+					   trace_event_name(&tk->tp.call),
 					   mod->name, ret);
 		}
 	}
@@ -829,7 +829,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
 
 	seq_putc(m, trace_kprobe_is_return(tk) ? 'r' : 'p');
 	seq_printf(m, ":%s/%s", tk->tp.call.class->system,
-			ftrace_event_name(&tk->tp.call));
+			trace_event_name(&tk->tp.call));
 
 	if (!tk->symbol)
 		seq_printf(m, " 0x%p", tk->rp.kp.addr);
@@ -888,7 +888,7 @@ static int probes_profile_seq_show(struct seq_file *m, void *v)
 	struct trace_kprobe *tk = v;
 
 	seq_printf(m, "  %-44s %15lu %15lu\n",
-		   ftrace_event_name(&tk->tp.call), tk->nhit,
+		   trace_event_name(&tk->tp.call), tk->nhit,
 		   tk->rp.kp.nmissed);
 
 	return 0;
@@ -1025,7 +1025,7 @@ print_kprobe_event(struct trace_iterator *iter, int flags,
 	field = (struct kprobe_trace_entry_head *)iter->ent;
 	tp = container_of(event, struct trace_probe, call.event);
 
-	trace_seq_printf(s, "%s: (", ftrace_event_name(&tp->call));
+	trace_seq_printf(s, "%s: (", trace_event_name(&tp->call));
 
 	if (!seq_print_ip_sym(s, field->ip, flags | TRACE_ITER_SYM_OFFSET))
 		goto out;
@@ -1056,7 +1056,7 @@ print_kretprobe_event(struct trace_iterator *iter, int flags,
 	field = (struct kretprobe_trace_entry_head *)iter->ent;
 	tp = container_of(event, struct trace_probe, call.event);
 
-	trace_seq_printf(s, "%s: (", ftrace_event_name(&tp->call));
+	trace_seq_printf(s, "%s: (", trace_event_name(&tp->call));
 
 	if (!seq_print_ip_sym(s, field->ret_ip, flags | TRACE_ITER_SYM_OFFSET))
 		goto out;
@@ -1301,7 +1301,7 @@ static int register_kprobe_event(struct trace_kprobe *tk)
 	ret = trace_add_event_call(call);
 	if (ret) {
 		pr_info("Failed to register kprobe event: %s\n",
-			ftrace_event_name(call));
+			trace_event_name(call));
 		kfree(call->print_fmt);
 		unregister_trace_event(&call->event);
 	}

kernel/trace/trace_output.c

@@ -239,7 +239,7 @@ int trace_raw_output_prep(struct trace_iterator *iter,
 	}
 
 	trace_seq_init(p);
-	trace_seq_printf(s, "%s: ", ftrace_event_name(event));
+	trace_seq_printf(s, "%s: ", trace_event_name(event));
 
 	return trace_handle_return(s);
 }

kernel/trace/trace_uprobe.c

@@ -293,7 +293,7 @@ static struct trace_uprobe *find_probe_event(const char *event, const char *grou
 	struct trace_uprobe *tu;
 
 	list_for_each_entry(tu, &uprobe_list, list)
-		if (strcmp(ftrace_event_name(&tu->tp.call), event) == 0 &&
+		if (strcmp(trace_event_name(&tu->tp.call), event) == 0 &&
 		    strcmp(tu->tp.call.class->system, group) == 0)
 			return tu;
 
@@ -323,7 +323,7 @@ static int register_trace_uprobe(struct trace_uprobe *tu)
 	mutex_lock(&uprobe_lock);
 
 	/* register as an event */
-	old_tu = find_probe_event(ftrace_event_name(&tu->tp.call),
+	old_tu = find_probe_event(trace_event_name(&tu->tp.call),
 			tu->tp.call.class->system);
 	if (old_tu) {
 		/* delete old event */
@@ -600,7 +600,7 @@ static int probes_seq_show(struct seq_file *m, void *v)
 	int i;
 
 	seq_printf(m, "%c:%s/%s", c, tu->tp.call.class->system,
-			ftrace_event_name(&tu->tp.call));
+			trace_event_name(&tu->tp.call));
 	seq_printf(m, " %s:0x%p", tu->filename, (void *)tu->offset);
 
 	for (i = 0; i < tu->tp.nr_args; i++)
@@ -651,7 +651,7 @@ static int probes_profile_seq_show(struct seq_file *m, void *v)
 	struct trace_uprobe *tu = v;
 
 	seq_printf(m, "  %s %-44s %15lu\n", tu->filename,
-			ftrace_event_name(&tu->tp.call), tu->nhit);
+			trace_event_name(&tu->tp.call), tu->nhit);
 	return 0;
 }
 
@@ -853,12 +853,12 @@ print_uprobe_event(struct trace_iterator *iter, int flags, struct trace_event *e
 
 	if (is_ret_probe(tu)) {
 		trace_seq_printf(s, "%s: (0x%lx <- 0x%lx)",
-				 ftrace_event_name(&tu->tp.call),
+				 trace_event_name(&tu->tp.call),
 				 entry->vaddr[1], entry->vaddr[0]);
 		data = DATAOF_TRACE_ENTRY(entry, true);
 	} else {
 		trace_seq_printf(s, "%s: (0x%lx)",
-				 ftrace_event_name(&tu->tp.call),
+				 trace_event_name(&tu->tp.call),
 				 entry->vaddr[0]);
 		data = DATAOF_TRACE_ENTRY(entry, false);
 	}
@@ -1295,7 +1295,7 @@ static int register_uprobe_event(struct trace_uprobe *tu)
 
 	if (ret) {
 		pr_info("Failed to register uprobe event: %s\n",
-			ftrace_event_name(call));
+			trace_event_name(call));
 		kfree(call->print_fmt);
 		unregister_trace_event(&call->event);
 	}