libtraceevent: Add logs with severity info

Renamed existing pr_stat() internal function to tep_info() and limit it
to print only when the log level is TEP_LOG_INFO. Removed duplicated and
unused functions:
 vpr_stat()
 __pr_stat()
 __vpr_stat()

Link: https://lore.kernel.org/linux-trace-devel/20210507095022.1079364-3-tz.stoyanov@gmail.com

Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@gmail.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

4 files changed, 13 insertions, 34 deletions

diff --git a/src/event-parse.c b/src/event-parse.c
index 88ec909..97c1a97 100644
--- a/src/event-parse.c
+++ b/src/event-parse.c
@@ -6927,8 +6927,8 @@ static int find_event_handle(struct tep_handle *tep, struct tep_event *event)
 	if (!(*next))
 		return 0;
 
-	pr_stat("overriding event (%d) %s:%s with new print handler",
-		event->id, event->system, event->name);
+	tep_info("overriding event (%d) %s:%s with new print handler",
+		 event->id, event->system, event->name);
 
 	event->handler = handle->func;
 	event->context = handle->context;
@@ -7404,7 +7404,7 @@ int tep_register_print_function(struct tep_handle *tep,
 		 * plugins updating the function. This overrides the
 		 * system defaults.
 		 */
-		pr_stat("override of function helper '%s'", name);
+		tep_info("override of function helper '%s'", name);
 		remove_func_handler(tep, name);
 	}
 
@@ -7542,8 +7542,8 @@ int tep_register_event_handler(struct tep_handle *tep, int id,
 	if (event == NULL)
 		goto not_found;
 
-	pr_stat("overriding event (%d) %s:%s with new print handler",
-		event->id, event->system, event->name);
+	tep_info("overriding event (%d) %s:%s with new print handler",
+		 event->id, event->system, event->name);
 
 	event->handler = func;
 	event->context = context;
@@ -7628,8 +7628,8 @@ int tep_unregister_event_handler(struct tep_handle *tep, int id,
 		goto not_found;
 
 	if (event->handler == func && event->context == context) {
-		pr_stat("removing override handler for event (%d) %s:%s. Going back to default handler.",
-			event->id, event->system, event->name);
+		tep_info("removing override handler for event (%d) %s:%s. Going back to default handler.",
+			 event->id, event->system, event->name);
 
 		event->handler = NULL;
 		event->context = NULL;
diff --git a/src/event-plugin.c b/src/event-plugin.c
index df4a0a3..f42243f 100644
--- a/src/event-plugin.c
+++ b/src/event-plugin.c
@@ -497,7 +497,7 @@ load_plugin(struct tep_handle *tep, const char *path,
 	list->name = plugin;
 	*plugin_list = list;
 
-	pr_stat("registering plugin: %s", plugin);
+	tep_info("registering plugin: %s", plugin);
 	func(tep);
 	return;
 
diff --git a/src/event-utils.h b/src/event-utils.h
index ff4d6c4..1951557 100644
--- a/src/event-utils.h
+++ b/src/event-utils.h
@@ -9,15 +9,10 @@
 #include <ctype.h>
 #include <stdarg.h>
 
+void tep_info(const char *fmt, ...);
 /* Can be overridden */
 void tep_warning(const char *fmt, ...);
 int tep_vwarning(const char *name, const char *fmt, va_list ap);
-void pr_stat(const char *fmt, ...);
-void vpr_stat(const char *fmt, va_list ap);
-
-/* Always available */
-void __pr_stat(const char *fmt, ...);
-void __vpr_stat(const char *fmt, ...);
 
 #define min(x, y) ({				\
 	typeof(x) _min1 = (x);			\
diff --git a/src/parse-utils.c b/src/parse-utils.c
index bc89c44..b997823 100644
--- a/src/parse-utils.c
+++ b/src/parse-utils.c
@@ -50,31 +50,15 @@ void __weak tep_warning(const char *fmt, ...)
 	va_end(ap);
 }
 
-void __vpr_stat(const char *fmt, va_list ap)
-{
-	vprintf(fmt, ap);
-	printf("\n");
-}
 
-void __pr_stat(const char *fmt, ...)
+void tep_info(const char *fmt, ...)
 {
 	va_list ap;
 
-	va_start(ap, fmt);
-	__vpr_stat(fmt, ap);
-	va_end(ap);
-}
-
-void __weak vpr_stat(const char *fmt, va_list ap)
-{
-	__vpr_stat(fmt, ap);
-}
-
-void __weak pr_stat(const char *fmt, ...)
-{
-	va_list ap;
+	if (log_level < TEP_LOG_INFO)
+		return;
 
 	va_start(ap, fmt);
-	__vpr_stat(fmt, ap);
+	tep_vwarning("libtraceevent", fmt, ap);
 	va_end(ap);
 }