Implement enumeration type

[lttng-modules.git] / probes / lttng-ftrace.c

diff --git a/probes/lttng-ftrace.c b/probes/lttng-ftrace.c
index 2a939216ef5e3233edc484b66dcb288837f42a99..d8523198e08db3edabe4276a1eb734ff7b1ce012 100644 (file)
--- a/probes/lttng-ftrace.c
+++ b/probes/lttng-ftrace.c
@@ -1,10 +1,23 @@
 /*
- * (C) Copyright       2009-2011 -
- *             Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ * probes/lttng-ftrace.c
  *
  * LTTng function tracer integration module.
  *
- * Dual LGPL v2.1/GPL v2 license.
+ * Copyright (C) 2009-2012 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; only
+ * version 2.1 of the License.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  */
 
 /*
@@ -20,16 +33,20 @@
 #include <linux/module.h>
 #include <linux/ftrace.h>
 #include <linux/slab.h>
-#include "../lttng-events.h"
-#include "../wrapper/ringbuffer/frontend_types.h"
-#include "../wrapper/ftrace.h"
-#include "../wrapper/vmalloc.h"
-#include "../lttng-tracer.h"
+#include <lttng-events.h>
+#include <wrapper/ringbuffer/frontend_types.h>
+#include <wrapper/ftrace.h>
+#include <wrapper/vmalloc.h>
+#include <lttng-tracer.h>
 
 static
 void lttng_ftrace_handler(unsigned long ip, unsigned long parent_ip, void **data)
 {
        struct lttng_event *event = *data;
+       struct lttng_probe_ctx lttng_probe_ctx = {
+               .event = event,
+               .interruptible = !irqs_disabled(),
+       };
        struct lttng_channel *chan = event->chan;
        struct lib_ring_buffer_ctx ctx;
        struct {
@@ -45,7 +62,7 @@ void lttng_ftrace_handler(unsigned long ip, unsigned long parent_ip, void **data
        if (unlikely(!ACCESS_ONCE(event->enabled)))
                return;
 
-       lib_ring_buffer_ctx_init(&ctx, chan->chan, event,
+       lib_ring_buffer_ctx_init(&ctx, chan->chan, &lttng_probe_ctx,
                                 sizeof(payload), lttng_alignof(payload), -1);
        ret = chan->ops->event_reserve(&ctx, event->id);
        if (ret < 0)
@@ -87,7 +104,7 @@ int lttng_create_ftrace_event(const char *name, struct lttng_event *event)
        fields[0].type.atype = atype_integer;
        fields[0].type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT;
        fields[0].type.u.basic.integer.alignment = lttng_alignof(unsigned long) * CHAR_BIT;
-       fields[0].type.u.basic.integer.signedness = is_signed_type(unsigned long);
+       fields[0].type.u.basic.integer.signedness = lttng_is_signed_type(unsigned long);
        fields[0].type.u.basic.integer.reverse_byte_order = 0;
        fields[0].type.u.basic.integer.base = 16;
        fields[0].type.u.basic.integer.encoding = lttng_encode_none;
@@ -96,7 +113,7 @@ int lttng_create_ftrace_event(const char *name, struct lttng_event *event)
        fields[1].type.atype = atype_integer;
        fields[1].type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT;
        fields[1].type.u.basic.integer.alignment = lttng_alignof(unsigned long) * CHAR_BIT;
-       fields[1].type.u.basic.integer.signedness = is_signed_type(unsigned long);
+       fields[1].type.u.basic.integer.signedness = lttng_is_signed_type(unsigned long);
        fields[1].type.u.basic.integer.reverse_byte_order = 0;
        fields[1].type.u.basic.integer.base = 16;
        fields[1].type.u.basic.integer.encoding = lttng_encode_none;
@@ -186,3 +203,7 @@ module_exit(lttng_ftrace_exit)
 MODULE_LICENSE("GPL and additional rights");
 MODULE_AUTHOR("Mathieu Desnoyers");
 MODULE_DESCRIPTION("Linux Trace Toolkit Ftrace Support");
+MODULE_VERSION(__stringify(LTTNG_MODULES_MAJOR_VERSION) "."
+       __stringify(LTTNG_MODULES_MINOR_VERSION) "."
+       __stringify(LTTNG_MODULES_PATCHLEVEL_VERSION)
+       LTTNG_MODULES_EXTRAVERSION);