diff options
Diffstat (limited to 'include/trace/net.h')
| -rw-r--r-- | include/trace/net.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/include/trace/net.h b/include/trace/net.h new file mode 100644 index 00000000000..91a0f02d0bc --- /dev/null +++ b/include/trace/net.h @@ -0,0 +1,40 @@ +#ifndef _TRACE_LTTNG_NET_H +#define _TRACE_LTTNG_NET_H + +#include <linux/tracepoint.h> + +struct sk_buff; +DECLARE_TRACE(lttng_net_dev_xmit, + TP_PROTO(struct sk_buff *skb), + TP_ARGS(skb)); +DECLARE_TRACE(lttng_net_dev_receive, + TP_PROTO(struct sk_buff *skb), + TP_ARGS(skb)); +DECLARE_TRACE(net_tcpv4_rcv, + TP_PROTO(struct sk_buff *skb), + TP_ARGS(skb)); +DECLARE_TRACE(net_udpv4_rcv, + TP_PROTO(struct sk_buff *skb), + TP_ARGS(skb)); + +/* + * Note these first 2 traces are actually in __napi_schedule and net_rx_action + * respectively. The former is in __napi_schedule because it uses at-most-once + * logic and placing it in the calling routine (napi_schedule) would produce + * countless trace events that were effectively no-ops. napi_poll is + * implemented in net_rx_action, because thats where we do our polling on + * devices. The last trace point is in napi_complete, right where you would + * think it would be. + */ +struct napi_struct; +DECLARE_TRACE(net_napi_schedule, + TP_PROTO(struct napi_struct *n), + TP_ARGS(n)); +DECLARE_TRACE(net_napi_poll, + TP_PROTO(struct napi_struct *n), + TP_ARGS(n)); +DECLARE_TRACE(net_napi_complete, + TP_PROTO(struct napi_struct *n), + TP_ARGS(n)); + +#endif |