printf("[debug] " fmt, ## args); \
} while (0)
+#define likely(x) __builtin_expect(!!(x), 1)
+#define unlikely(x) __builtin_expect(!!(x), 0)
+
struct trace_descriptor;
struct trace_collection {
GPtrArray *array;
void ctf_move_pos(struct ctf_stream_pos *pos, size_t bit_offset)
{
printf_debug("ctf_move_pos test EOF: %zd\n", pos->offset);
- if (pos->offset == EOF)
+ if (unlikely(pos->offset == EOF))
return;
if (pos->fd >= 0) {
* packet.
*/
if ((pos->prot == PROT_WRITE)
- && (pos->offset + bit_offset >= pos->packet_size)) {
+ && (unlikely(pos->offset + bit_offset >= pos->packet_size))) {
printf_debug("ctf_move_pos_slow (before call): %zd\n",
pos->offset);
ctf_move_pos_slow(pos, bit_offset, SEEK_CUR);
static inline
int ctf_pos_packet(struct ctf_stream_pos *dummy)
{
- if (dummy->offset > dummy->packet_size)
+ if (unlikely(dummy->offset > dummy->packet_size))
return -ENOSPC;
return 0;
}
static inline
int ctf_pos_access_ok(struct ctf_stream_pos *pos, size_t bit_len)
{
- if (pos->offset == EOF)
+ if (unlikely(pos->offset == EOF))
return 0;
- if (pos->offset + bit_len > pos->packet_size)
+ if (unlikely(pos->offset + bit_len > pos->packet_size))
return 0;
return 1;
}