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Added trace log where epoll_wait returns and to where read fomr/write to socket decicion is made.

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This commit is contained in:
vraatikka
2013-08-15 20:16:23 +03:00
parent 90e6e11923
commit a1b05359ac
2 changed files with 62 additions and 17 deletions
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24
server/core/dcb.c
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@ -328,8 +328,9 @@ GWPROTOCOL *funcs;
int
dcb_read(DCB *dcb, GWBUF **head)
{
GWBUF *buffer = NULL;
int b, n = 0;
GWBUF *buffer = NULL;
int b, n = 0;
pthread_t tid = pthread_self();
ioctl(dcb->fd, FIONREAD, &b);
while (b > 0)
@ -358,6 +359,12 @@ int b, n = 0;
return n;
}
skygw_log_write(
LOGFILE_TRACE,
"%lu [dcb_read] Read %d Bytes from %d",
tid,
n,
dcb->fd);
// append read data to the gwbuf
*head = gwbuf_append(*head, buffer);
@ -378,6 +385,7 @@ int
dcb_write(DCB *dcb, GWBUF *queue)
{
int w, saved_errno = 0;
pthread_t tid = pthread_self();
spinlock_acquire(&dcb->writeqlock);
if (dcb->writeq)
@ -393,6 +401,12 @@ int w, saved_errno = 0;
*/
dcb->writeq = gwbuf_append(dcb->writeq, queue);
dcb->stats.n_buffered++;
skygw_log_write(
LOGFILE_TRACE,
"%lu [dcb_write] Append to writequeue. %d writes buffered for %d",
tid,
dcb->stats.n_buffered,
dcb->fd);
}
else
{
@ -423,6 +437,12 @@ int w, saved_errno = 0;
{
/* We didn't write all the data */
}
skygw_log_write(
LOGFILE_TRACE,
"%lu [dcb_write] Wrote %d Bytes to %d",
tid,
w,
dcb->fd);
}
/* Buffer the balance of any data */
dcb->writeq = queue;