[PATCH 7/11] LTTng-core 0.5.108 : facilities-loader

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7 - Core tracer facility loader
patch-2.6.17-lttng-core-0.5.108-facilities-loader.diff


OpenPGP public key:              http://krystal.dyndns.org:8080/key/compudj.gpg
Key fingerprint:     8CD5 52C3 8E3C 4140 715F  BA06 3F25 A8FE 3BAE 9A68 
--- /dev/null
+++ b/ltt/ltt-facility-loader-core.c
@@ -0,0 +1,66 @@
+/*
+ * ltt-facility-loader-core.c
+ *
+ * (C) Copyright  2005 - 
+ *          Mathieu Desnoyers ([email protected])
+ *
+ * Contains the LTT facility loader.
+ *
+ */
+
+
+#include <linux/ltt-facilities.h>
+#include <linux/module.h>
+#include <linux/init.h>
+#include <linux/config.h>
+#include "ltt-facility-loader-core.h"
+
+
+#ifdef CONFIG_LTT
+
+EXPORT_SYMBOL(LTT_FACILITY_SYMBOL);
+EXPORT_SYMBOL(LTT_FACILITY_CHECKSUM_SYMBOL);
+
+static const char ltt_facility_name[] = LTT_FACILITY_NAME;
+
+#define SYMBOL_STRING(sym) #sym
+
+static struct ltt_facility facility = {
+	.name = ltt_facility_name,
+	.num_events = LTT_FACILITY_NUM_EVENTS,
+	.checksum = LTT_FACILITY_CHECKSUM,
+	.symbol = SYMBOL_STRING(LTT_FACILITY_SYMBOL),
+};
+
+static int __init facility_init(void)
+{
+	printk(KERN_INFO "LTT : ltt-facility-core init in kernel\n");
+
+	LTT_FACILITY_SYMBOL = ltt_facility_kernel_register(&facility);
+	LTT_FACILITY_CHECKSUM_SYMBOL = LTT_FACILITY_SYMBOL;
+	
+	return LTT_FACILITY_SYMBOL;
+}
+
+#ifndef MODULE
+__initcall(facility_init);
+#else
+module_init(facility_init);
+static void __exit facility_exit(void)
+{
+	int err;
+
+	err = ltt_facility_unregister(LTT_FACILITY_SYMBOL);
+	if(err != 0)
+		printk(KERN_ERR "LTT : Error in unregistering facility.\n");
+
+}
+module_exit(facility_exit)
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Mathieu Desnoyers");
+MODULE_DESCRIPTION("Linux Trace Toolkit Facility");
+
+#endif //MODULE
+
+#endif //CONFIG_LTT
--- /dev/null
+++ b/ltt/ltt-facility-loader-core.h
@@ -0,0 +1,20 @@
+#ifndef _LTT_FACILITY_LOADER_CORE_H_
+#define _LTT_FACILITY_LOADER_CORE_H_
+
+#ifdef CONFIG_LTT
+
+#include <linux/ltt-facilities.h>
+#include <linux/ltt/ltt-facility-id-core.h>
+
+ltt_facility_t	ltt_facility_core;
+ltt_facility_t	ltt_facility_core_1A8DE486;
+
+#define LTT_FACILITY_SYMBOL		ltt_facility_core
+#define LTT_FACILITY_CHECKSUM_SYMBOL	ltt_facility_core_1A8DE486
+#define LTT_FACILITY_CHECKSUM		0x1A8DE486
+#define LTT_FACILITY_NAME		"core"
+#define LTT_FACILITY_NUM_EVENTS	facility_core_num_events
+
+#endif //CONFIG_LTT
+
+#endif //_LTT_FACILITY_LOADER_CORE_H_

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