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/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 @@
*/
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);
}