*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
*/
#include <stdio.h>
#include <urcu/compiler.h>
+#include <urcu/rculist.h>
#include <lttng/ust-events.h>
#include <lttng/ringbuffer-config.h>
#include <lttng/ust-compiler.h>
+#include <lttng/tracepoint.h>
#include <string.h>
+#undef tp_list_for_each_entry_rcu
+#define tp_list_for_each_entry_rcu(pos, head, member) \
+ for (pos = cds_list_entry(tp_rcu_dereference_bp((head)->next), __typeof__(*pos), member); \
+ &pos->member != (head); \
+ pos = cds_list_entry(tp_rcu_dereference_bp(pos->member.next), __typeof__(*pos), member))
+
/*
* TRACEPOINT_EVENT_CLASS declares a class of tracepoints receiving the
* same arguments and having the same field layout.
#define TRACEPOINT_EVENT_INSTANCE(_provider, _template, _name, _args) \
__tracepoint_provider_mismatch_##_provider();
-static __attribute__((unused))
+static inline
void _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)(void)
{
#include TRACEPOINT_INCLUDE
#define _ctf_array_encoded(_type, _item, _src, _length, _encoding, _nowrite) \
{ \
unsigned long __ctf_tmp_ulong = (unsigned long) (_length); \
- void *__ctf_tmp_ptr = (_src); \
+ const void *__ctf_tmp_ptr = (_src); \
memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \
__stack_data += sizeof(unsigned long); \
memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
_src_length, _encoding, _nowrite) \
{ \
unsigned long __ctf_tmp_ulong = (unsigned long) (_src_length); \
- void *__ctf_tmp_ptr = (_src); \
+ const void *__ctf_tmp_ptr = (_src); \
memcpy(__stack_data, &__ctf_tmp_ulong, sizeof(unsigned long)); \
__stack_data += sizeof(unsigned long); \
memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
#undef _ctf_string
#define _ctf_string(_item, _src, _nowrite) \
{ \
- void *__ctf_tmp_ptr = (_src); \
+ const void *__ctf_tmp_ptr = (_src); \
memcpy(__stack_data, &__ctf_tmp_ptr, sizeof(void **)); \
__stack_data += sizeof(void **); \
}
* each field (worse case). For integers, max size required is 64-bit.
* Same for double-precision floats. Those fit within
* 2*sizeof(unsigned long) for all supported architectures.
+ * Perform UNION (||) of filter runtime list.
*/
#undef TRACEPOINT_EVENT_CLASS
#define TRACEPOINT_EVENT_CLASS(_provider, _name, _args, _fields) \
static \
void __event_probe__##_provider##___##_name(_TP_ARGS_DATA_PROTO(_args)) \
{ \
- struct ltt_event *__event = __tp_data; \
- struct ltt_channel *__chan = __event->chan; \
+ struct lttng_event *__event = __tp_data; \
+ struct lttng_channel *__chan = __event->chan; \
struct lttng_ust_lib_ring_buffer_ctx __ctx; \
size_t __event_len, __event_align; \
size_t __dynamic_len_idx = 0; \
return; \
if (caa_unlikely(!CMM_ACCESS_ONCE(__event->enabled))) \
return; \
- if (caa_unlikely(__event->filter)) { \
+ if (caa_unlikely(!TP_RCU_LINK_TEST())) \
+ return; \
+ if (caa_unlikely(!cds_list_empty(&__event->bytecode_runtime_head))) { \
+ struct lttng_bytecode_runtime *bc_runtime; \
+ int __filter_record = __event->has_enablers_without_bytecode; \
+ \
__event_prepare_filter_stack__##_provider##___##_name(__stackvar.__filter_stack_data, \
- _TP_ARGS_DATA_VAR(_args)); \
- if (caa_likely(!__event->filter(__event->filter_data, __stackvar.__filter_stack_data))) \
+ _TP_ARGS_DATA_VAR(_args)); \
+ tp_list_for_each_entry_rcu(bc_runtime, &__event->bytecode_runtime_head, node) { \
+ if (caa_unlikely(bc_runtime->filter(bc_runtime, \
+ __stackvar.__filter_stack_data) & LTTNG_FILTER_RECORD_FLAG)) \
+ __filter_record = 1; \
+ } \
+ if (caa_likely(!__filter_record)) \
return; \
} \
__event_len = __event_get_size__##_provider##___##_name(__stackvar.__dynamic_len, \
{
int ret;
- ret = ltt_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ /*
+ * __tracepoint_provider_check_ ## TRACEPOINT_PROVIDER() is a
+ * static inline function that ensures every probe PROVIDER
+ * argument match the provider within which they appear. It
+ * calls empty static inline functions, and therefore has no
+ * runtime effect. However, if it detects an error, a linker
+ * error will appear.
+ */
+ _TP_COMBINE_TOKENS(__tracepoint_provider_check_, TRACEPOINT_PROVIDER)();
+ ret = lttng_probe_register(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
assert(!ret);
}
static void
_TP_COMBINE_TOKENS(__lttng_events_exit__, TRACEPOINT_PROVIDER)(void)
{
- ltt_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
+ lttng_probe_unregister(&_TP_COMBINE_TOKENS(__probe_desc___, TRACEPOINT_PROVIDER));
}
int _TP_COMBINE_TOKENS(__tracepoint_provider_, TRACEPOINT_PROVIDER);
projects / lttng-ust.git / blobdiff