/*
* Interface for configuring and controlling the state of tracing events.
*
- * Copyright (C) 2011-2014 Lluís Vilanova <vilanova@ac.upc.edu>
+ * Copyright (C) 2011-2016 Lluís Vilanova <vilanova@ac.upc.edu>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
* As a down side, you must always use an immediate #TraceEventID value.
*/
#define trace_event_get_state(id) \
- ((id ##_ENABLED) && trace_event_get_state_dynamic(trace_event_id(id)))
+ ((id ##_ENABLED) && trace_event_get_state_dynamic_by_id(id))
/**
* trace_event_get_state_static:
/**
* trace_init_backends:
- * @events: Name of file with events to be enabled at startup; may be NULL.
- * Corresponds to commandline option "-trace events=...".
* @file: Name of trace output file; may be NULL.
* Corresponds to commandline option "-trace file=...".
*
*
* Returns: Whether the backends could be successfully initialized.
*/
-bool trace_init_backends(const char *events, const char *file);
+bool trace_init_backends(void);
+
+/**
+ * trace_init_events:
+ * @events: Name of file with events to be enabled at startup; may be NULL.
+ * Corresponds to commandline option "-trace events=...".
+ *
+ * Read the list of enabled tracing events.
+ *
+ * Returns: Whether the backends could be successfully initialized.
+ */
+void trace_init_events(const char *file);
+
+/**
+ * trace_init_file:
+ * @file: Name of trace output file; may be NULL.
+ * Corresponds to commandline option "-trace file=...".
+ *
+ * Record the name of the output file for the tracing backend.
+ * Exits if no selected backend does not support specifying the
+ * output file, and a non-NULL file was passed.
+ */
+void trace_init_file(const char *file);
+
+/**
+ * trace_list_events:
+ *
+ * List all available events.
+ */
+void trace_list_events(void);
+
+/**
+ * trace_enable_events:
+ * @line_buf: A string with a glob pattern of events to be enabled or,
+ * if the string starts with '-', disabled.
+ *
+ * Enable or disable matching events.
+ */
+void trace_enable_events(const char *line_buf);
#include "trace/control-internal.h"