lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

pktgen: avoid calling gettimeofday

Browse Source 
If not using delay then no need to update next_tx after
each packet sent. This allows pktgen to send faster especially
on systems with slower clock sources.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Stephen Hemminger
2009-08-27 13:55:15 +00:00
committed by David S. Miller
parent 5b8db2f568
commit 5c9d191c16
1 changed files with 9 additions and 7 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
net/core/pktgen.c
View File

@@ -3450,6 +3450,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->last_ok = 0;
}
if (pkt_dev->delay_us || pkt_dev->delay_ns) {
pkt_dev->next_tx_us = getCurUs();
pkt_dev->next_tx_ns = 0;
@@ -3461,6 +3462,7 @@ static void pktgen_xmit(struct pktgen_dev *pkt_dev)
pkt_dev->next_tx_ns -= 1000;
}
}
}
__netif_tx_unlock_bh(txq);
/* If pkt_dev->count is zero, then run forever */