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net: tracepoint napi:napi_poll add work and budget

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An important information for the napi_poll tracepoint is knowing
the work done (packets processed) by the napi_poll() call. Add
both the work done and budget, as they are related.

Handle trace_napi_poll() param change in dropwatch/drop_monitor
and in python perf script netdev-times.py in backward compat way,
as python fortunately supports optional parameter handling.

Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jesper Dangaard Brouer 2016-07-07 18:01:32 +02:00 • committed by David S. Miller
parent 89141e1c61
commit 1db19db7f5
5 changed files with 21 additions and 12 deletions
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11
tools/perf/scripts/python/netdev-times.py
View file

@ -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):