net: tracepoint napi:napi_poll add work and budget
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>
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 @@
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 @@
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):