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Message-ID: <20061124215805.GH25048@Krystal>
Date: Fri, 24 Nov 2006 16:58:05 -0500
From: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
To: linux-kernel@...r.kernel.org,
Christoph Hellwig <hch@...radead.org>,
Andrew Morton <akpm@...l.org>, Ingo Molnar <mingo@...hat.com>,
Greg Kroah-Hartman <gregkh@...e.de>,
Thomas Gleixner <tglx@...utronix.de>,
Tom Zanussi <zanussi@...ibm.com>,
Karim Yaghmour <karim@...rsys.com>,
Paul Mundt <lethal@...ux-sh.org>, Jes Sorensen <jes@....com>,
Richard J Moore <richardj_moore@...ibm.com>,
"Martin J. Bligh" <mbligh@...igh.org>,
Michel Dagenais <michel.dagenais@...ymtl.ca>,
Douglas Niehaus <niehaus@...s.ku.edu>, ltt-dev@...fik.org,
systemtap@...rces.redhat.com
Subject: [PATCH 7/16] LTTng 0.6.36 for 2.6.18 : Core facility loader
Facility (event group) "core". Dynamic registration.
patch07-2.6.18-lttng-core-0.6.36-facility-loader-core.diff
Signed-off-by : Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
--BEGIN--
--- /dev/null
+++ b/ltt/facilities/ltt-facility-loader-core.c
@@ -0,0 +1,66 @@
+/*
+ * ltt-facility-loader-core.c
+ *
+ * (C) Copyright 2005 -
+ * Mathieu Desnoyers (mathieu.desnoyers@...ymtl.ca)
+ *
+ * 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/facilities/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 <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_
--- /dev/null
+++ b/ltt/facilities/Makefile
@@ -0,0 +1,3 @@
+# LTT facilities makefile
+
+obj-$(CONFIG_LTT) += ltt-facility-loader-core.o
--END--
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