diff options
| author | Eric Dumazet <[email protected]> | 2022-05-15 21:24:56 -0700 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2022-05-16 11:33:59 +0100 |
| commit | 909876500251b3b48480a840bbf9053588254eee (patch) | |
| tree | d5be1a42e32e55e228aeee48bc252b5fa2db4d8b /tools/perf/scripts/python/event_analyzing_sample.py | |
| parent | 39564c3fdc6684c6726b63e131d2a9f3809811cb (diff) | |
net: call skb_defer_free_flush() before each napi_poll()
skb_defer_free_flush() can consume cpu cycles,
it seems better to call it in the inner loop:
- Potentially frees page/skb that will be reallocated while hot.
- Account for the cpu cycles in the @time_limit determination.
- Keep softnet_data.defer_count small to reduce chances for
skb_attempt_defer_free() to send an IPI.
Signed-off-by: Eric Dumazet <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/event_analyzing_sample.py')
0 files changed, 0 insertions, 0 deletions