@@ -42,16 +42,6 @@
struct ifb_private {
struct tasklet_struct ifb_tasklet;
int tasklet_pending;
- /* mostly debug stats leave in for now */
- unsigned long st_task_enter; /* tasklet entered */
- unsigned long st_txq_refl_try; /* transmit queue refill attempt */
- unsigned long st_rxq_enter; /* receive queue entered */
- unsigned long st_rx2tx_tran; /* receive to trasmit transfers */
- unsigned long st_rxq_notenter; /*receiveQ not entered, resched */
- unsigned long st_rx_frm_egr; /* received from egress path */
- unsigned long st_rx_frm_ing; /* received from ingress path */
- unsigned long st_rxq_check;
- unsigned long st_rxq_rsch;
struct sk_buff_head rq;
struct sk_buff_head tq;
};
@@ -73,19 +63,14 @@ static void ri_tasklet(unsigned long dev)
struct sk_buff *skb;
txq = netdev_get_tx_queue(_dev, 0);
- dp->st_task_enter++;
if ((skb = skb_peek(&dp->tq)) == NULL) {
- dp->st_txq_refl_try++;
if (__netif_tx_trylock(txq)) {
- dp->st_rxq_enter++;
while ((skb = skb_dequeue(&dp->rq)) != NULL) {
skb_queue_tail(&dp->tq, skb);
- dp->st_rx2tx_tran++;
}
__netif_tx_unlock(txq);
} else {
/* reschedule */
- dp->st_rxq_notenter++;
goto resched;
}
}
@@ -110,10 +95,8 @@ static void ri_tasklet(unsigned long dev)
skb->skb_iif = _dev->ifindex;
if (from & AT_EGRESS) {
- dp->st_rx_frm_egr++;
dev_queue_xmit(skb);
} else if (from & AT_INGRESS) {
- dp->st_rx_frm_ing++;
skb_pull(skb, skb->dev->hard_header_len);
netif_rx(skb);
} else
@@ -121,13 +104,11 @@ static void ri_tasklet(unsigned long dev)
}
if (__netif_tx_trylock(txq)) {
- dp->st_rxq_check++;
if ((skb = skb_peek(&dp->rq)) == NULL) {
dp->tasklet_pending = 0;
if (netif_queue_stopped(_dev))
netif_wake_queue(_dev);
} else {
- dp->st_rxq_rsch++;
__netif_tx_unlock(txq);
goto resched;
}
These debug stats are not exported, and become useless. Signed-off-by: Changli Gao <xiaosuo@gmail.com> --- drivers/net/ifb.c | 19 ------------------- 1 file changed, 19 deletions(-) -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html