projects
/
lttng-modules.git
/ blobdiff
commit
grep
author
committer
pickaxe
?
search:
re
summary
|
shortlog
|
log
|
commit
|
commitdiff
|
tree
raw
|
inline
| side by side
Don't allow enable/disable on metadata channel/events
[lttng-modules.git]
/
probes
/
lttng-kprobes.c
diff --git
a/probes/lttng-kprobes.c
b/probes/lttng-kprobes.c
index 650144cbe0cdc4793c91bf46825f74a5f9ae042b..38ee4513811691273de7454f0415ee56c6da44ce 100644
(file)
--- a/
probes/lttng-kprobes.c
+++ b/
probes/lttng-kprobes.c
@@
-25,9
+25,14
@@
int lttng_kprobes_handler_pre(struct kprobe *p, struct pt_regs *regs)
int ret;
unsigned long data = (unsigned long) p->addr;
int ret;
unsigned long data = (unsigned long) p->addr;
- if (
!ACCESS_ONCE(chan->session->active
))
+ if (
unlikely(!ACCESS_ONCE(chan->session->active)
))
return 0;
return 0;
- lib_ring_buffer_ctx_init(&ctx, chan->chan, NULL, sizeof(data),
+ if (unlikely(!ACCESS_ONCE(chan->enabled)))
+ return 0;
+ if (unlikely(!ACCESS_ONCE(event->enabled)))
+ return 0;
+
+ lib_ring_buffer_ctx_init(&ctx, chan->chan, event, sizeof(data),
ltt_alignof(data), -1);
ret = chan->ops->event_reserve(&ctx, event->id);
if (ret < 0)
ltt_alignof(data), -1);
ret = chan->ops->event_reserve(&ctx, event->id);
if (ret < 0)
@@
-67,7
+72,7
@@
int lttng_create_kprobe_event(const char *name, struct ltt_event *event)
field->type.atype = atype_integer;
field->type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT;
field->type.u.basic.integer.alignment = ltt_alignof(unsigned long) * CHAR_BIT;
field->type.atype = atype_integer;
field->type.u.basic.integer.size = sizeof(unsigned long) * CHAR_BIT;
field->type.u.basic.integer.alignment = ltt_alignof(unsigned long) * CHAR_BIT;
- field->type.u.basic.integer.signedness =
0
;
+ field->type.u.basic.integer.signedness =
is_signed_type(unsigned long)
;
field->type.u.basic.integer.reverse_byte_order = 0;
field->type.u.basic.integer.base = 16;
field->type.u.basic.integer.encoding = lttng_encode_none;
field->type.u.basic.integer.reverse_byte_order = 0;
field->type.u.basic.integer.base = 16;
field->type.u.basic.integer.encoding = lttng_encode_none;
@@
-136,12
+141,17
@@
EXPORT_SYMBOL_GPL(lttng_kprobes_register);
void lttng_kprobes_unregister(struct ltt_event *event)
{
unregister_kprobe(&event->u.kprobe.kp);
void lttng_kprobes_unregister(struct ltt_event *event)
{
unregister_kprobe(&event->u.kprobe.kp);
+}
+EXPORT_SYMBOL_GPL(lttng_kprobes_unregister);
+
+void lttng_kprobes_destroy_private(struct ltt_event *event)
+{
kfree(event->u.kprobe.symbol_name);
kfree(event->desc->fields);
kfree(event->desc->name);
kfree(event->desc);
}
kfree(event->u.kprobe.symbol_name);
kfree(event->desc->fields);
kfree(event->desc->name);
kfree(event->desc);
}
-EXPORT_SYMBOL_GPL(lttng_kprobes_
unregister
);
+EXPORT_SYMBOL_GPL(lttng_kprobes_
destroy_private
);
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
MODULE_LICENSE("GPL and additional rights");
MODULE_AUTHOR("Mathieu Desnoyers");
This page took
0.023581 seconds
and
4
git commands to generate.