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Merge branch 'master' of ssh://git.lttng.org/home/git/lttng-modules
[lttng-modules.git]
/
ltt-probes.c
diff --git
a/ltt-probes.c
b/ltt-probes.c
index e1ed2a3108d591a795f371affecbc1c7421294cb..45d2dabdef22e977fe8122deeb9a5417aa07fc21 100644
(file)
--- a/
ltt-probes.c
+++ b/
ltt-probes.c
@@
-4,6
+4,8
@@
* Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Holds LTTng probes registry.
* Copyright 2010 (c) - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*
* Holds LTTng probes registry.
+ *
+ * Dual LGPL v2.1/GPL v2 license.
*/
#include <linux/module.h>
*/
#include <linux/module.h>
@@
-90,6
+92,7
@@
void *tp_list_start(struct seq_file *m, loff_t *pos)
struct lttng_probe_desc *probe_desc;
int iter = 0, i;
struct lttng_probe_desc *probe_desc;
int iter = 0, i;
+ mutex_lock(&probe_mutex);
list_for_each_entry(probe_desc, &probe_list, head) {
for (i = 0; i < probe_desc->nr_events; i++) {
if (iter++ >= *pos)
list_for_each_entry(probe_desc, &probe_list, head) {
for (i = 0; i < probe_desc->nr_events; i++) {
if (iter++ >= *pos)
@@
-120,6
+123,7
@@
void *tp_list_next(struct seq_file *m, void *p, loff_t *ppos)
static
void tp_list_stop(struct seq_file *m, void *p)
{
static
void tp_list_stop(struct seq_file *m, void *p)
{
+ mutex_unlock(&probe_mutex);
}
static
}
static
@@
-127,6
+131,11
@@
int tp_list_show(struct seq_file *m, void *p)
{
const struct lttng_event_desc *probe_desc = p;
{
const struct lttng_event_desc *probe_desc = p;
+ /*
+ * Don't export lttng internal events (metadata).
+ */
+ if (!strncmp(probe_desc->name, "lttng_", sizeof("lttng_") - 1))
+ return 0;
seq_printf(m, "event { name = %s; };\n",
probe_desc->name);
return 0;
seq_printf(m, "event { name = %s; };\n",
probe_desc->name);
return 0;
@@
-150,5
+159,5
@@
const struct file_operations lttng_tracepoint_list_fops = {
.open = lttng_tracepoint_list_open,
.read = seq_read,
.llseek = seq_lseek,
.open = lttng_tracepoint_list_open,
.read = seq_read,
.llseek = seq_lseek,
- .release = seq_release
_private
,
+ .release = seq_release,
};
};
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