[ltt-dev] net isntrumentation: duplicated receive
mathieu.desnoyers at efficios.com
Fri Oct 22 16:26:22 EDT 2010
Can you explain why you need two receive tracepoints in the recv path ?
"The receive tracepoint is moved earlier in the netif_receive_skb() function.
The tracepoint is also duplicated in the netif_rx() function. This enables
more precise measurements for pre-NAPI drivers."
@@ -2518,9 +2520,13 @@ int netif_rx(struct sk_buff *skb)
The side-effect is that two events will be generated for each packet, no ?
Operating System Efficiency R&D Consultant
More information about the lttng-dev