diff options
| -rw-r--r-- | include/trace/events/net.h | 23 | ||||
| -rw-r--r-- | net/sched/sch_generic.c | 2 |
2 files changed, 25 insertions, 0 deletions
diff --git a/include/trace/events/net.h b/include/trace/events/net.h index 1efd7d9b25fe..2399073c3afc 100644 --- a/include/trace/events/net.h +++ b/include/trace/events/net.h @@ -95,6 +95,29 @@ TRACE_EVENT(net_dev_xmit, __get_str(name), __entry->skbaddr, __entry->len, __entry->rc) ); +TRACE_EVENT(net_dev_xmit_timeout, + + TP_PROTO(struct net_device *dev, + int queue_index), + + TP_ARGS(dev, queue_index), + + TP_STRUCT__entry( + __string( name, dev->name ) + __string( driver, netdev_drivername(dev)) + __field( int, queue_index ) + ), + + TP_fast_assign( + __assign_str(name, dev->name); + __assign_str(driver, netdev_drivername(dev)); + __entry->queue_index = queue_index; + ), + + TP_printk("dev=%s driver=%s queue=%d", + __get_str(name), __get_str(driver), __entry->queue_index) +); + DECLARE_EVENT_CLASS(net_dev_template, TP_PROTO(struct sk_buff *skb), diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 848aab3693bd..cce1e9ee85af 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -32,6 +32,7 @@ #include <net/pkt_sched.h> #include <net/dst.h> #include <trace/events/qdisc.h> +#include <trace/events/net.h> #include <net/xfrm.h> /* Qdisc to use by default */ @@ -441,6 +442,7 @@ static void dev_watchdog(struct timer_list *t) } if (some_queue_timedout) { + trace_net_dev_xmit_timeout(dev, i); WARN_ONCE(1, KERN_INFO "NETDEV WATCHDOG: %s (%s): transmit queue %u timed out\n", dev->name, netdev_drivername(dev), i); dev->netdev_ops->ndo_tx_timeout(dev); |