diff options
| -rw-r--r-- | include/trace/events/napi.h | 13 | ||||
| -rw-r--r-- | net/core/dev.c | 4 | ||||
| -rw-r--r-- | net/core/drop_monitor.c | 3 | ||||
| -rw-r--r-- | net/core/netpoll.c | 2 | ||||
| -rw-r--r-- | tools/perf/scripts/python/netdev-times.py | 11 |
5 files changed, 21 insertions, 12 deletions
diff --git a/include/trace/events/napi.h b/include/trace/events/napi.h index 8fe1e93..118ed77 100644 --- a/include/trace/events/napi.h +++ b/include/trace/events/napi.h @@ -12,22 +12,27 @@ TRACE_EVENT(napi_poll, - TP_PROTO(struct napi_struct *napi), + TP_PROTO(struct napi_struct *napi, int work, int budget), - TP_ARGS(napi), + TP_ARGS(napi, work, budget), TP_STRUCT__entry( __field( struct napi_struct *, napi) + __field( int, work) + __field( int, budget) __string( dev_name, napi->dev ? napi->dev->name : NO_DEV) ), TP_fast_assign( __entry->napi = napi; + __entry->work = work; + __entry->budget = budget; __assign_str(dev_name, napi->dev ? napi->dev->name : NO_DEV); ), - TP_printk("napi poll on napi struct %p for device %s", - __entry->napi, __get_str(dev_name)) + TP_printk("napi poll on napi struct %p for device %s work %d budget %d", + __entry->napi, __get_str(dev_name), + __entry->work, __entry->budget) ); #undef NO_DEV diff --git a/net/core/dev.c b/net/core/dev.c index b92d63b..7894e40 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4972,7 +4972,7 @@ bool sk_busy_loop(struct sock *sk, int nonblock) if (test_bit(NAPI_STATE_SCHED, &napi->state)) { rc = napi->poll(napi, BUSY_POLL_BUDGET); - trace_napi_poll(napi); + trace_napi_poll(napi, rc, BUSY_POLL_BUDGET); if (rc == BUSY_POLL_BUDGET) { napi_complete_done(napi, rc); napi_schedule(napi); @@ -5128,7 +5128,7 @@ static int napi_poll(struct napi_struct *n, struct list_head *repoll) work = 0; if (test_bit(NAPI_STATE_SCHED, &n->state)) { work = n->poll(n, weight); - trace_napi_poll(n); + trace_napi_poll(n, work, weight); } WARN_ON_ONCE(work > weight); diff --git a/net/core/drop_monitor.c b/net/core/drop_monitor.c index 252e155..d6b3b57 100644 --- a/net/core/drop_monitor.c +++ b/net/core/drop_monitor.c @@ -187,7 +187,8 @@ static void trace_kfree_skb_hit(void *ignore, struct sk_buff *skb, void *locatio trace_drop_common(skb, location); } -static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi) +static void trace_napi_poll_hit(void *ignore, struct napi_struct *napi, + int work, int budget) { struct dm_hw_stat_delta *new_stat; diff --git a/net/core/netpoll.c b/net/core/netpoll.c index 94acfc8..53599bd 100644 --- a/net/core/netpoll.c +++ b/net/core/netpoll.c @@ -163,7 +163,7 @@ static void poll_one_napi(struct napi_struct *napi) */ work = napi->poll(napi, 0); WARN_ONCE(work, "%pF exceeded budget in poll\n", napi->poll); - trace_napi_poll(napi); + trace_napi_poll(napi, work, 0); clear_bit(NAPI_STATE_NPSVC, &napi->state); } diff --git a/tools/perf/scripts/python/netdev-times.py b/tools/perf/scripts/python/netdev-times.py index 4d21ef2..4c6f09a 100644 --- a/tools/perf/scripts/python/netdev-times.py +++ b/tools/perf/scripts/python/netdev-times.py @@ -252,9 +252,10 @@ def irq__irq_handler_exit(name, context, cpu, sec, nsec, pid, comm, callchain, i event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, irq, ret) all_event_list.append(event_info) -def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, callchain, napi, dev_name): +def napi__napi_poll(name, context, cpu, sec, nsec, pid, comm, callchain, napi, + dev_name, work=None, budget=None): event_info = (name, context, cpu, nsecs(sec, nsec), pid, comm, - napi, dev_name) + napi, dev_name, work, budget) all_event_list.append(event_info) def net__netif_receive_skb(name, context, cpu, sec, nsec, pid, comm, callchain, skbaddr, @@ -354,11 +355,13 @@ def handle_irq_softirq_exit(event_info): receive_hunk_list.append(rec_data) def handle_napi_poll(event_info): - (name, context, cpu, time, pid, comm, napi, dev_name) = event_info + (name, context, cpu, time, pid, comm, napi, dev_name, + work, budget) = event_info if cpu in net_rx_dic.keys(): event_list = net_rx_dic[cpu]['event_list'] rec_data = {'event_name':'napi_poll', - 'dev':dev_name, 'event_t':time} + 'dev':dev_name, 'event_t':time, + 'work':work, 'budget':budget} event_list.append(rec_data) def handle_netif_rx(event_info): |
