#define printk_dbg(fmt, args...)
#endif
-/* LTTng lockless logging buffer info */
-struct ltt_channel_buf_struct {
- /* First 32 bytes cache-hot cacheline */
- local_t offset; /* Current offset in the buffer */
- local_t *commit_count; /* Commit count per sub-buffer */
- atomic_long_t consumed; /*
- * Current offset in the buffer
- * standard atomic access (shared)
- */
- unsigned long last_tsc; /*
- * Last timestamp written in the buffer.
- */
- /* End of first 32 bytes cacheline */
- atomic_long_t active_readers; /*
- * Active readers count
- * standard atomic access (shared)
- */
- local_t events_lost;
- local_t corrupted_subbuffers;
- spinlock_t full_lock; /*
- * buffer full condition spinlock, only
- * for userspace tracing blocking mode
- * synchronization with reader.
- */
-//ust// wait_queue_head_t write_wait; /*
-//ust// * Wait queue for blocking user space
-//ust// * writers
-//ust// */
- atomic_t wakeup_readers; /* Boolean : wakeup readers waiting ? */
-} ____cacheline_aligned;
-
/*
* Last TSC comparison functions. Check if the current TSC overflows
* LTT_TSC_BITS bits from the last TSC read. Reads and writes last_tsc
//ust// return mask;
//ust// }
-static int ltt_do_get_subbuf(struct rchan_buf *buf, struct ltt_channel_buf_struct *ltt_buf, long *pconsumed_old)
+int ltt_do_get_subbuf(struct rchan_buf *buf, struct ltt_channel_buf_struct *ltt_buf, long *pconsumed_old)
{
struct ltt_channel_struct *ltt_channel = (struct ltt_channel_struct *)buf->chan->private_data;
long consumed_old, consumed_idx, commit_count, write_offset;
return 0;
}
-static int ltt_do_put_subbuf(struct rchan_buf *buf, struct ltt_channel_buf_struct *ltt_buf, u32 uconsumed_old)
+int ltt_do_put_subbuf(struct rchan_buf *buf, struct ltt_channel_buf_struct *ltt_buf, u32 uconsumed_old)
{
long consumed_new, consumed_old;